CN216724073U

CN216724073U - Rope tightening cover, rope tightening seat, rope tightening device, shoe and article

Info

Publication number: CN216724073U
Application number: CN202123063945.2U
Authority: CN
Inventors: 洪建宏; 许利民; 王立婷; 郑金树
Original assignee: Quanzhou Zhenke Technical Service Co ltd
Current assignee: Quanzhou Zhenke Technical Service Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-06-14
Anticipated expiration: 2031-12-08

Abstract

The utility model provides a rope tightening cover, the lid is formed with a plurality of lid teeth of arranging around lid main part axis of rotation to the face that corresponds. The rope object tightening cover and the rope object tightening seat are installed and used in a matched mode, when the rope object tightening cover and the rope object tightening seat are located at the rope object tightening position, the cover teeth are matched with the clamping jaws, the cover main body is rotated according to the rope object tightening direction, the rope object winding shaft is driven to tighten and wind the rope object, the clamping jaws generate elastic deformation towards the rope object tightening seat direction through elasticity, and the cover teeth slide over the clamping jaws along the corresponding tooth inclined planes; when the rotation stops, the cover teeth are clamped and positioned by the corresponding claw clamping surfaces; when the tightening cover and the tightening seat are positioned at the position where the rope can be loosened, the cover teeth and the claw teeth are separated, the claw teeth do not clamp the cover teeth, and the rope can be loosened by actively reversely rotating the cover main body or driving the rope winding shaft to reversely rotate by utilizing the pulling force of the rope. The utility model also provides a tightening seat, tightening device, shoes and article.

Description

Rope tightening cover, rope tightening base, rope tightening device, shoe and article

Technical Field

The utility model relates to a daily life field, concretely relates to rope thing tightening cover, rope thing tightening seat, rope thing tightening means, shoes and article.

Background

The opening part of article such as shoes, clothes, knapsack, cap, protective equipment can be provided with rope thing such as fag end and be used for tightening up or relaxing usually, and at present, people all fix the elasticity of rope thing through the mode of knoing, and complex operation is inconvenient, easy lax and succinct pleasing to the eye inadequately.

In order to solve the problems, the chinese utility model patent CN201820751299.8 discloses a rotor and stator based lacing system, which comprises a rotor and a stator, and is characterized in that the stator comprises a stator main part and an extension bracket, the stator main part, the rotor and the extension bracket are sequentially connected in a matching manner, the rotor is provided with a wire winding groove and a wire threading hole along the circumferential direction, the rotor or the stator main part is provided with teeth, and the stator main part or the rotor connected in a matching manner is correspondingly provided with pawls; the stator is provided with a gear structure, and the pawl and the teeth are connected in an engaged or separated mode through the gear structure. The stator main part and the expansion bracket are fixedly connected through a screw or a buckle structure. The gear structure is one of a fixed gear and an elastic gear. The fixed gear comprises a gear protrusion and a retaining ring correspondingly arranged. The elastic gear comprises an elastic foot and a retainer ring, the elastic foot comprises a root and an elastic body, and at least one limiting groove is formed in the outer side surface of the elastic body and used for limiting the retainer ring. The expansion bracket is provided with a module cavity, and the module cavity is used for accommodating the functional module and the power supply. The matching connection surface of the rotor is provided with teeth, and the matching connection surface of the stator main part is correspondingly provided with pawls. The matching connection surface of the stator main part is provided with teeth, and the matching connection surface of the rotor is correspondingly provided with pawls. The frenulum system still includes the lid, the lid pass through the buckle with the rotor cooperation is connected, the lid includes the holding chamber, the holding chamber is including the first inner chamber and the second inner chamber that are the ladder distribution, first inner chamber is used for the module chamber part of holding extension bracket, and first inner chamber inner wall is close to ladder department and has seted up the ring channel along the circumferencial direction, the ring channel is provided with the buckle structure along the even interval of circumferencial direction for be connected with the rotor embedding. A lacing system based on a rotor and a stator comprises the rotor and the stator and is characterized in that the stator only comprises a stator main part, the rotor comprises an upper cover, a ratchet wheel and a winding groove which are fixedly connected from top to bottom in sequence, the stator main part is provided with teeth, and the rotor is correspondingly provided with a pawl; the stator main part is provided with an elastic stop pin, and the teeth and the pawls are meshed or separated and connected through the elastic stop pin.

The utility model discloses a mode through knob tight rope thing has solved the problem of manual shoelace to a certain extent, but its structure is complicated, processing and assembly process are loaded down with trivial details, with high costs, and job stabilization nature and operation smooth and easy nature are still not enough.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rope thing tightening cover that the structure is succinct, processing and equipment process are simple, with low costs, working property is stable, the operation is smooth and easy high-efficient, rational in infrastructure is practical.

Two objects of the utility model are to provide a rope thing tightening seat that the structure is succinct, processing and equipment process are simple, with low costs, working property is stable, the operation is smooth and easy high-efficient, rational in infrastructure is practical.

Three objects of the utility model are to provide a rope thing tightening means that the structure is succinct, processing and equipment process are simple, with low costs, working property is stable, the operation is smooth and easy high-efficient, rational in infrastructure is practical.

It is a fourth object of the present invention to provide a shoe with a cord tightening device having the above-mentioned effects.

It is a fifth object of the present invention to provide an article with the aforementioned effect for a rope tightening device.

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

a rope tightening cover, a cover main body; the cover main body is provided with a cover corresponding surface corresponding to the seat side wall of the rope tightening seat, and a plurality of cover teeth arranged around the rotation axis of the cover main body are formed on the cover corresponding surface; the cover body is provided with a cover facing surface facing the rope tightening seat, and the cover facing surface is provided with a rope winding shaft positioned in the cover tooth inner ring; the edge of the cover main body is provided with a cover side wall extending towards the rope tightening seat; the inner side surface of the cover side wall is provided with a cover limiting part facing the seat side wall.

The cover teeth are arranged to extend toward the axis of rotation of the cover body.

The cap teeth are perpendicular to the axis of rotation of the cap body.

The width of the cover tooth is gradually reduced from the root to the tip.

The cover teeth are provided with tooth consequent inclined planes for the clamping jaws to slide in a consequent manner when the rope is screwed on and tooth clamping surfaces matched with and clamped by the claw clamping surfaces of the claw teeth.

The tip of the cover tooth extends towards the opposite direction of the screwing rope object.

The rope winding shaft comprises a winding shaft main body extending into the inner cavity of the rope tightening seat.

The winding shaft main body is in a straight column shape, and is gradually thinned from the root to the tip or thick at two ends and thin in the middle.

The tip of the winding shaft main body is provided with an extending head extending into a seat sinking groove of the rope object tightening seat.

The length of the extending head is larger than the size of the pulling-out cover main body when the rope object is loosened.

The rope winding shaft is provided with a connecting part connected with the rope, and the connecting part is a connecting groove or a connecting hole.

The cord winding shaft and the cover main body are integrally formed or connected together in a snap fit manner.

The cord wrap spool includes a spool seat connected between a spool body and a cover body.

The shaft seat is provided with a seat extending section extending into the inner cavity of the rope tightening seat.

The clearance between the seat extending section and the side wall of the seat is smaller than the diameter of the rope object.

The length of the seat extending-in section is larger than the size of the cover main body when the rope object is loosened by screwing.

The cover is formed with an annular groove around the winding shaft main body toward the face.

The cover teeth are formed on the bottom of the annular groove.

The cover limiting part is a limiting protrusion or a limiting groove.

The cover limiting part is an annular limiting bulge surrounding the rotation axis of the cover main body or comprises a plurality of bulge units arranged around the rotation axis of the cover main body.

Including two arrange along rope thing winding axle axis direction the spacing portion of lid, be respectively for the spacing portion of first lid that is close to lid lateral wall tip and keep away from the spacing portion of second lid that covers lateral wall tip.

The protruding end part of the second cover limiting part is a convex smooth cambered surface.

The first cover limiting part is provided with a cover following inclined plane facing the rope object tightening seat and gradually inclining towards the direction of the second cover limiting part from the root part to the end part, and a cover anti-falling plane facing the direction of the second cover limiting part; the included angle between the cover anti-falling surface and the axis of the rope object winding shaft is larger than the included angle between the cover homeotropic inclined surface and the axis of the rope object winding shaft.

The protruding height of the first cover limiting part is larger than that of the second cover limiting part.

The end of the cover side wall does not exceed the plane of the connecting part, and the plane is a plane perpendicular to the axis of the rope winding shaft.

The connecting part comprises a through hole for the rope to pass through and a clamping step for clamping a rope clamping head.

The end part of the rope winding shaft is provided with a gap communicated with the through hole for the rope to enter the through hole.

The gap is provided with a narrow opening part for preventing the rope object from falling off.

The narrow opening part is provided with a rope guide inclined plane for the rope object to slide in.

The rope guiding inclined plane faces to the end part of the rope object winding shaft.

The narrow opening part is provided with an anti-falling step for clamping the rope.

The opening is provided with opening side walls, a gap between the two opening side walls forms the opening, and the gap between the two opening side walls is gradually reduced from outside to inside.

A rope tightening seat comprises a seat main body; the seat body has a seat side wall extending toward the cord object tightening cover, and an end of the seat side wall is provided with a claw that is engaged with the cover tooth in a manner close to or away from the cover tooth.

The jaws are elastic jaws that are elastically deformed to approach or separate from the cover teeth.

A deformation gap for the elastic clamping jaw to deform is formed between the seat side wall and the elastic clamping jaw.

The elastic claw comprises claw teeth matched with the cover teeth and an elastic claw arm for bearing the claw teeth.

The resilient claw arms are connected between the claw teeth and the ends of the base side walls.

The elastic claw arm is provided with an arm root end connected with the side wall of the seat and an arm tip end connected with the claw teeth, and the elastic claw arm extends from the arm root end to the arm tip end towards the direction of screwing the rope object.

The claw teeth protrude to the cover teeth.

The pawl teeth are closer to the cover teeth than the resilient pawl arms and the seat side walls.

The size of the deformation gap is larger than the size of the claw tooth protruding out of the end part of the side wall of the seat.

The tip of the claw tooth faces the direction of the tightening rope object.

The claw teeth are provided with tooth inclined planes which are inclined from root ends to tip ends towards the direction of screwing the rope object and are used for the cover teeth to slide along the direction of screwing the rope object, and the tooth inclined planes face the direction of unscrewing the rope object.

The claw teeth are provided with claw surfaces for clamping the cover teeth, and the claw surfaces face the direction of the screwing rope object.

The claw clamping surface is parallel to the axis of the rope winding shaft.

The root end of the arm is smoothly connected with the end part of the side wall of the seat.

More than two elastic clamping claws are arranged around the axis of the rope winding shaft.

The three elastic claws are uniformly arranged around the axis of the rope winding shaft.

The tip of the arm is provided with two claw teeth.

Two claw teeth on the same elastic claw arm are arranged along the extending direction of the elastic claw arm.

The elastic claw and the side wall of the seat are integrally formed.

The seat main body is provided with an inner cavity for accommodating the rope object winding shaft, and a seat sinking groove for the extension head of the winding shaft main body to extend into is formed at the bottom of the inner cavity.

The clearance between the seat sinking groove and the extending head is smaller than the diameter of the rope object.

The depth of the seat sinking groove is larger than the size of the cover main body when the rope object is loosened by screwing.

The outer side surface of the seat side wall is formed with a seat limiting part facing the cover side wall.

The seat limiting part is a limiting bulge or a limiting groove.

The seat limiting part is an annular limiting bulge surrounding the rotation axis of the cover body or comprises a plurality of bulge units arranged around the rotation axis of the cover body.

The seat limiting part is respectively a first seat limiting part close to the end part of the side wall of the seat and a second seat limiting part far away from the end part of the side wall of the seat.

The protruding end part of the second seat limiting part is a convex smooth cambered surface.

The first seat limiting part is provided with a seat following inclined plane facing the rope tightening cover and gradually inclining towards the direction of the second seat limiting part from the root part to the end part, and a seat anti-falling plane facing the direction of the second seat limiting part; the included angle between the seat anti-falling surface and the axis of the rope object winding shaft is larger than the included angle between the seat smooth inclined surface and the axis of the rope object winding shaft.

The protruding height of the first seat limiting part is larger than that of the second seat limiting part.

A rope tightening device comprises a rope tightening cover and a rope tightening seat which are assembled together.

The height of the cover teeth or the claw teeth is smaller than the size of the cover body pulled out when the rope object is loosened.

A shoe includes a shoe main body and a cord tightening device assembled to the shoe main body.

An article includes an article body and a cord tightener mounted on the article body.

After the technical scheme is adopted, the utility model discloses a lid is tightened to rope thing, it breaks through the structural style that traditional lid is tightened to rope thing, in the in-service use, lid is tightened to rope thing and the cooperation installation of the seat of tightening up of rope thing are used, when lid is tightened to rope thing and the seat of tightening up of rope thing is in the position of tightening up the rope thing, the lid tooth of lid is tightened up to rope thing and the jack catch of seat of tightening up of rope thing cooperate, the jack catch relies on elasticity to keep the jack catch to cooperate with the lid tooth, rotate the lid main part according to tightening up the rope thing direction, drive rope thing winding shaft to tighten up the winding to rope thing, the jack catch supports towards the seat direction of tightening up of rope thing in this process and presses the jack catch, rely on the jack catch elasticity and produce towards the elastic deformation of seat direction of tightening up of rope thing, the lid tooth is followed the jack catch that slides on the jack catch along corresponding tooth inclined plane, in the continuous rotation process, the jack catch fluctuates in the direction of being close to or keeping away from the lid tooth; when the cover main body stops rotating, the claw teeth clamp the cover teeth by means of corresponding claw clamping surfaces and position the cover teeth, so that the rope object is wound on the rope object winding shaft by corresponding tightness and is difficult to reversely release the rope object; when the rope object tightening cover and the rope object tightening seat are located at the position where the rope object can be loosened, the cover teeth of the rope object tightening cover and the claw teeth of the rope object tightening seat are separated, the claw teeth do not clamp the cover teeth, and the rope object can be loosened by driving the cover main body to rotate reversely or driving the rope object winding shaft to rotate reversely by utilizing the tension of the rope object. Compared with the prior art, the utility model discloses a lid is tightened to rope thing, it has that the structure is succinct, processing and equipment process are simple, with low costs, working property is stable, the operation is smooth and easy high-efficient, advantage such as rational in infrastructure practicality.

The utility model discloses a rope thing tightening base, it breaks through the structural style of traditional rope thing tightening base, in the in-service use, rope thing tightening cover and the cooperation installation of rope thing tightening base are used, when rope thing tightening cover and rope thing tightening base are in the position of the rope thing that can tighten up, the cover tooth of rope thing tightening cover and the jack catch of rope thing tightening base cooperate, the jack catch relies on elasticity to keep the jack catch to cooperate with the cover tooth, rotate the cover main part according to the direction of tightening up the rope thing, drive rope thing winding shaft to tighten up the winding to the rope thing, in this process the cover tooth is to pressing claw tooth towards rope thing tightening base direction, the jack catch relies on elasticity and produces the elastic deformation towards rope thing tightening base direction, the cover tooth follows the situation along corresponding tooth inclined plane and slips the claw tooth on the jack catch, in the continuous rotation process, the claw tooth is undulant in the direction that is close to or keeps away from the cover tooth; when the cover main body stops rotating, the claw teeth clamp the cover teeth by means of corresponding claw clamping surfaces and position the cover teeth, so that the rope object is wound on the rope object winding shaft by corresponding tightness and is difficult to reversely release the rope object; when the rope object tightening cover and the rope object tightening seat are located at the position where the rope object can be loosened, the cover teeth of the rope object tightening cover and the claw teeth of the rope object tightening seat are separated, the claw teeth do not clamp the cover teeth, and the rope object can be loosened by driving the cover main body to rotate reversely or driving the rope object winding shaft to rotate reversely by using the pulling force of the rope object. Compared with the prior art, the utility model discloses a seat is tightened to rope thing, it has that the structure is succinct, processing and equipment process are simple, with low costs, working property is stable, the operation is smooth and easy high-efficient, advantage such as rational in infrastructure practicality.

The utility model discloses a rope thing tightening means, it breaks through traditional rope thing tightening means's structural style, in the in-service use, when rope thing tighten up lid and rope thing tighten up the seat and be in can tighten up rope thing position, the lid tooth that rope thing tightened up the lid cooperatees with the jack catch of rope thing tighten up seat, the jack catch relies on elasticity to keep the jack catch to cooperate with the lid tooth, rotate the lid main part according to tightening up rope thing direction, drive rope thing winding shaft to tighten up the winding of rope thing, the lid tooth supports the pressure pawl tooth towards rope thing tighten up seat direction in this process, the jack catch relies on elasticity and produces the elastic deformation towards rope thing tighten up seat direction, the lid tooth follows the trend along corresponding tooth inclined plane and slides the pawl tooth on the jack catch, in the continuous rotation process, the pawl tooth is undulant in the direction that is close to or keeps away from the lid tooth; when the cover main body stops rotating, the claw teeth clamp the cover teeth by means of corresponding claw clamping surfaces and position the cover teeth, so that the rope object is wound on the rope object winding shaft by corresponding tightness and is difficult to reversely release the rope object; when the rope object tightening cover and the rope object tightening seat are located at the position where the rope object can be loosened, the cover teeth of the rope object tightening cover and the claw teeth of the rope object tightening seat are separated, the claw teeth do not clamp the cover teeth, and the rope object can be loosened by driving the cover main body to rotate reversely or driving the rope object winding shaft to rotate reversely by using the pulling force of the rope object. Compared with the prior art, the utility model discloses a rope thing tightening means, it has that the structure is succinct, processing and equipment process are simple, with low costs, working property is stable, the operation is smooth and easy high-efficient, advantage such as rational in infrastructure practicality.

The utility model discloses a shoe, it breaks through the shoelace tightening structure form of traditional shoe, in the in-service use process, when the tight lid of rope thing tightens up and the tight seat of rope thing is in can tightening up the rope thing position, the lid tooth that the tight lid of rope thing tightens up cooperatees with the jack catch of the tight seat of rope thing, the jack catch relies on elasticity to keep the jack catch to cooperate with the lid tooth, rotate the lid main part according to tightening up the rope thing direction, drive rope thing winding shaft to tighten up the winding to the rope thing, the lid tooth supports the pressure claw tooth towards the tight seat direction of rope thing in this process, the jack catch relies on elasticity and produces the elastic deformation towards the tight seat direction of rope thing tightening up, the lid tooth follows the trend along corresponding tooth inclined plane and slides the claw tooth on the jack catch, in the continuous rotation process, the claw tooth is undulant in the direction that is close to or keeps away from the lid tooth; when the cover main body stops rotating, the claw teeth clamp the cover teeth by means of corresponding claw clamping surfaces and position the cover teeth, so that the rope object is wound on the rope object winding shaft by corresponding tightness and is difficult to reversely release the rope object; when the rope object tightening cover and the rope object tightening seat are located at the position where the rope object can be loosened, the cover teeth of the rope object tightening cover and the claw teeth of the rope object tightening seat are separated, the claw teeth do not clamp the cover teeth, and the rope object can be loosened by driving the cover main body to rotate reversely or driving the rope object winding shaft to rotate reversely by using the pulling force of the rope object. Compared with the prior art, the utility model discloses a shoes, its rope thing tightening means have that the structure is succinct, processing and assembly process are simple, with low costs, working property is stable, the operation is smooth and easy high-efficient, advantage such as rational in infrastructure practicality.

The utility model discloses an article, it breaks through the rope thing of traditional article and tightens up the structural style, in the in-service use, the cooperation installation of rope thing tightening cover and rope thing tightening seat is used, when rope thing tightening cover and rope thing tightening seat are in can tightening up rope thing position, the lid tooth of rope thing tightening cover and the jack catch of rope thing tightening seat cooperate, the jack catch relies on elasticity to keep the jack catch to cooperate with the lid tooth, rotate the cover main part according to tightening up the rope thing direction, drive rope thing winding shaft to tighten up the winding to the rope thing, the lid tooth supports towards rope thing tightening seat direction and presses the claw tooth in this process, the jack catch relies on elasticity and produces the elastic deformation towards rope thing tightening seat direction, the lid tooth follows the trend along corresponding tooth inclined plane and slides the claw tooth on the jack catch, in the continuous rotation process, the claw tooth is undulant in the direction that is close to or keeps away from the lid tooth; when the cover main body stops rotating, the claw teeth clamp the cover teeth by means of corresponding claw clamping surfaces and position the cover teeth, so that the rope object is wound on the rope object winding shaft by corresponding tightness and is difficult to reversely release the rope object; when the rope object tightening cover and the rope object tightening seat are located at the position where the rope object can be loosened, the cover teeth of the rope object tightening cover and the claw teeth of the rope object tightening seat are separated, the claw teeth do not clamp the cover teeth, and the rope object can be loosened by driving the cover main body to rotate reversely or driving the rope object winding shaft to rotate reversely by using the pulling force of the rope object. Compared with the prior art, the utility model discloses an article, its rope thing tightening means have that the structure is succinct, processing and equipment process are simple, with low costs, working property is stable, the operation is smooth and easy high-efficient, advantage such as rational in infrastructure practicality.

Drawings

Fig. 1 is a schematic perspective view of a rope tightening device;

FIG. 2 is a schematic bottom view of the cover;

FIG. 3 is a schematic cross-sectional view of a cord tightening cap;

FIG. 4 is a side view of the cord tightening cap;

FIG. 5 is a perspective view of the rope tightening base;

FIG. 6 is a schematic side view of the cord tightening seat;

FIG. 7 is a schematic cross-sectional view of the cord tightening apparatus;

FIG. 8 is a schematic view of a shoe or article of footwear with a cord tightening apparatus.

In the figure:

1-cover body 11-cover tooth 111-tooth consequent inclined plane 112-tooth clamping surface 12-rope winding shaft 121-winding shaft body 1211-extending head 122-connecting part 1221-through hole 1222-clamping step 123-shaft seat 1231-seat extending section 124-notch 1241-narrow opening part 1242-rope guide inclined plane 1243-anti-falling step 13-cover side wall 131-cover limiting part 1311-cover consequent inclined plane 1312-cover anti-falling surface 14-annular groove

2-seat body 21-seat side wall 211-jaw 2111-jaw tooth 21111-tooth inclined surface 21112-jaw face 2112-elastic jaw arm 212-seat limiting portion 213-deformation gap 22-seat sink groove

3-shoe main body.

Detailed Description

In order to further explain the technical solution of the present invention, the following is a detailed explanation through specific examples.

The utility model relates to a rope tightening cover, as shown in figures 1-8, a cover main body 1; the cover main body 1 is provided with a cover corresponding surface corresponding to the seat side wall 21 of the rope tightening seat, and a plurality of cover teeth 11 arranged around the rotation axis of the cover main body 1 are formed on the cover corresponding surface; the cover body 1 is provided with a cover facing surface facing the rope tightening seat, and the cover facing surface is provided with a rope winding shaft 12 positioned at the inner ring of the cover teeth 11; the edge of the cover main body 1 is formed with a cover side wall 13 extending toward the cord object tightening seat; a cover stopper 131 facing the seat side wall 21 is formed on the inner surface of the cover side wall 13. The utility model discloses in the in-service use, the lid is tightened up to the rope thing and the cooperation installation of the seat is tightened up to the rope thing and is used, when the lid is tightened up to the rope thing and the seat is tightened up to the rope thing position to the rope thing, the lid tooth 11 that the lid is tightened up to the rope thing cooperatees with the jack catch 211 that the seat is tightened up to the rope thing, the jack catch 211 relies on elasticity to keep the jack catch to cooperate with lid tooth 11, rotate according to tightening up rope thing direction and cover main part 1, drive rope thing winding shaft 12 and tighten up the winding to the rope thing, in this process lid tooth 11 supports and presses the pawl tooth 2111 towards the seat direction is tightened up to the rope thing, the jack catch 211 relies on elasticity and produces the elastic deformation towards the seat direction is tightened up to the rope thing, lid tooth 11 follows the situation and slides the pawl tooth 2111 on the jack catch 211 along corresponding tooth inclined plane 21111, in the continuous rotation process, the pawl tooth 2111 fluctuates in the direction that is close to or keeps away from lid tooth 11; when the cap body 1 stops rotating, the pawl 2111 catches the cap tooth 11 by means of the corresponding pawl face 21112 and positions it, so that the cord object is wound on the cord object winding shaft 12 with a corresponding degree of tightness and it is difficult to reversely release the cord object; when the rope tightening cover and the rope tightening seat are in the position where the rope can be loosened, the cover teeth 11 of the rope tightening cover are separated from the claw teeth 2111 of the rope tightening seat, the claw teeth 2111 do not clamp the cover teeth 11, and the rope can be loosened by actively rotating the cover body 1 reversely or driving the rope winding shaft 12 to rotate reversely by using the pulling force of the rope. When the cover body 1 rotates, the rope winding shaft 12 can be driven to rotate to wind the rope. The cover side wall 13 is convenient for a user to hold and rotate the rope tightening cover, so that the whole structure of the rope tightening cover is complete and regular, the seat side wall 21, the clamping jaws 211, the cover teeth 11 and the like can be wrapped, a certain protection effect is achieved, and meanwhile, the whole rope tightening device has certain attractiveness. The cover limiting part 131 can be matched with the seat limiting part 212 to realize the buckling positioning at different positions, so that the switching between different states of the clamping jaw 211 and the cover tooth 11 in matching contact and separation is realized, and the switching between the rope tightening operation state and the rope loosening operation state is realized.

Preferably, the cap teeth 11 are provided extending toward the rotational axis of the cap body 1. This structure can make lid tooth 11 perpendicular with the direction of rotation of lid main part 1 and rope thing winding axle 12, can realize better carrying out snap-fit with jack catch 211, and lid tooth 11 can not take place to deflect with jack catch 211 cooperation atress in-process, rotates more steadily.

In order to further enhance the engagement effect of the cover teeth 11 with the claws 211, it is preferable that the cover teeth 11 are perpendicular to the rotation axis of the cover main body 1.

Preferably, the cover tooth 11 is tapered in width from the root to the tip. This configuration facilitates easier mating and forming of the cover teeth 11 with the pawl teeth 2111.

Preferably, the cover tooth 11 has a tooth-following inclined surface 111 for the claw 211 to slide along when the cord is tightened and a tooth-catching surface 112 to catch in cooperation with the claw surface 21112 of the claw 2111. The tooth-following inclined plane 111 facilitates the relative sliding between the claw 211 and the cover tooth 11, and facilitates the tightening of the rope. The tooth clamping surface 112 is beneficial to being matched and clamped with the claw clamping surface 21112, the specific structure can be that the tooth following inclined surface 111 and the tooth inclined surface 21111 are inclined surfaces forming an acute angle with the plane of the cover main body 1, the tooth clamping surface 112 and the claw clamping surface 21112 are vertical surfaces perpendicular to the plane of the cover main body 1, and when the rope tightening cover and the rope tightening seat are made of resin materials, the structure can exert various functions and is easy to be demoulded and molded.

Preferably, the tip of the cover tooth 11 is extended toward the opposite direction of the rotation cord. This configuration further facilitates the formation of a tooth-following slope 111 for the cover tooth 11 to follow the rotation of the claw 211 in the direction of the object to be wound.

Preferably, the cord wrap shaft 12 includes a wrap shaft body 121 that extends into the internal cavity of the cord cinching receptacle. The winding shaft body 121 can receive a string in the string takeup seat.

To facilitate winding of the cord, it is preferable that the winding shaft body 121 has a straight cylindrical shape, a tapered shape from the root to the tip, or a thick middle section at both ends.

Preferably, the tip of the winding shaft body 121 has an insertion head 1211 inserted into the seat sinking groove 22 of the cord object takeup seat. The protrusion 1211 is engaged with the seat sinking groove 22 of the rope tightening seat to limit the rotation of the rope tightening cover, thereby ensuring the rotation coaxiality, the stability and the precision of the rope winding, and the small gap between the protrusion 1211 and the seat sinking groove 22 can be used to prevent the rope from falling off from the end of the winding shaft body 121.

Preferably, the length of the insertion head 1211 is greater than a size of the cap body 1 extracted when the string object is loosened. In practical use, when the cap body 1 is pulled out by loosening the rope, the insertion head 1211 cannot be completely pulled out from the seat sinking groove 22, i.e. the insertion head 1211 can be continuously matched with the seat sinking groove 22, and a small gap between the insertion head 1211 and the seat sinking groove 22 can be ensured to prevent the rope from falling out of the end of the winding shaft body 121.

In order to realize the connection of the rope winding shaft 12 and the rope, it is preferable that the rope winding shaft 12 has a connection portion 122 connected with the rope, and the connection portion 122 is a connection groove or a connection hole.

Preferably, the cord wrap shaft 12 is integrally formed with the cover main body 1. This structure can ensure the connection strength, rotation synchronism and low cost of the cord winding shaft 12 and the cover main body 1.

Preferably, the cord winding shaft 12 is snap-coupled with the cover body 1. The structure can ensure that the two are conveniently connected and can be disassembled when necessary.

Preferably, the cord wrap spool 12 includes a spool seat 123 connected between the spool body 121 and the cover body 1. The shaft seat 123 can separate the rope from the cover teeth 11 without interfering with each other, thereby ensuring smooth rotation of the rope tightening cover and accurate rope winding.

Preferably, axle seat 123 has a seat-extending section 1231 that extends into the interior cavity of the cord tightener seat. The seat stretches into section 1231 and can tighten up the rotation of lid to the rope thing after the seat lateral wall 21 cooperation of seat is tightened up to the rope thing and carry on spacingly, ensures to rotate axiality, stationarity and the precision of winding rope thing, and usable seat stretches into the tiny clearance of section 1231 and seat lateral wall 21 and avoids the rope thing to tighten up seat lateral wall 21 tip from the rope thing and deviate from or disturb the cooperation of lid tooth 11, jack catch 211 moreover.

To ensure that the cord does not come off the end of the cord tightening receptacle side wall 21 or interfere with the engagement of the cover teeth 11, the pawl 211, the gap between the receptacle entry segment 1231 and the receptacle side wall 21 is preferably less than the diameter of the cord.

Preferably, the seat-entering section 1231 has a length greater than the size of the cap body 1 extracted when the cord is loosened. In the actual use process, when the cord needs to be loosened and the cap body 1 is pulled out, the seat stretching-in section 1231 cannot be completely pulled out from the inner cavity of the cord tightening seat, and the seat stretching-in section 1231 can be continuously kept to be matched with the seat side wall 21, and a small gap between the seat stretching-in section 1231 and the seat side wall 21 can be ensured to prevent the cord from falling off from the end of the cord tightening seat side wall 21 or interfering with the matching of the cap teeth 11 and the clamping jaws 211.

Preferably, the cover is formed with an annular groove 14 surrounding the winding shaft body 121 toward the side. The annular groove 14 can be used for accommodating the end of the seat sidewall 21 of the rope tightening seat, so that the winding shaft body 121 extends into the inner cavity of the rope tightening seat to accommodate the rope.

Preferably, the cover tooth 11 is formed at the bottom of the groove of the annular groove 14. This structure makes the claw 211 formed at the end of the seat side wall 21 project into the annular groove 14 to be engaged with the cover tooth 11, and the seat side wall 21 and the claw 211 are confined in the annular groove 14, ensuring the engagement stability and the rotation stability, and the engagement is not affected by a rope or the like.

Preferably, the cover stopper 131 is a stopper protrusion. The cover stopper 131 in the form of a stopper protrusion is engaged with the seat stopper 212 in the form of a stopper groove or a stopper protrusion to perform a snap-fit positioning.

Preferably, the cover stopper 131 is a stopper groove. The cover limiting portion 131 in the form of a limiting groove is engaged with the seat limiting portion 212 in the form of a limiting protrusion for snap-fit positioning.

Preferably, the cap stopper 131 is an annular stopper protrusion surrounding the rotational axis of the cap body 1. The annular limiting protrusion can be matched with the seat limiting part 212 in the form of the limiting groove or the limiting protrusion to perform buckling positioning, and meanwhile, the rope tightening cover can be stably and smoothly rotated.

Preferably, the cover stopper 131 includes a plurality of protrusion units arranged around the rotational axis of the cover main body 1. The plurality of protruding units arranged around the rotation axis of the cover body 1 can realize the stable and smooth rotation of the rope tightening cover while being matched with the seat limiting part 212 in the form of a limiting groove or a limiting protrusion for buckling and positioning.

Preferably, the cover limiting part includes two cover limiting parts 131 arranged along the axial direction of the cord winding shaft 12, a first cover limiting part 131 close to the end of the cover sidewall 13 and a second cover limiting part 131 far from the end of the cover sidewall 13. The two cover limiting parts 131 arranged along the axial direction of the rope winding shaft 12 can realize that the rope tightening cover and the rope tightening seat are buckled and positioned at different positions in the direction close to or far away from each other, so that the aim of switching between different states of the clamping jaw 211 and the cover tooth 11 in matching contact and separation is fulfilled, and the rope tightening operation and the rope loosening operation state switching are realized.

Preferably, the convex end portion of the second cover stopper 131 is a convex smooth arc surface. The second cover limiting portion 131 with a smooth arc surface can facilitate smooth movement and position clamping in different positions relative to the seat limiting portion 212.

Preferably, the first cover stopper 131 has a cover-following inclined surface 1311 facing the cord tightening seat and gradually inclined toward the second cover stopper 131 from the root to the end, and a cover escape surface 1312 facing the second cover stopper 131; the angle between the cover slip-off prevention surface 1312 and the axis of the cord winding shaft 12 is greater than the angle between the cover relief surface 1311 and the axis of the cord winding shaft 12. The cover-compliant slope 1311 facilitates the compliant snap-fitting of the cord tightening cover and the cord tightening base, and the cover-release-preventing surface 1312 may be engaged with the base-limiting portion 212 to prevent the cord tightening cover and the cord tightening base from being easily separated from each other.

Preferably, the protruding height of the first cover stopper 131 is greater than the protruding height of the second cover stopper 131. After the cover limiting part 131 and the seat limiting part 212 are buckled together, the second shorter cover limiting part 131 facilitates the seat limiting part 212 to slide, is beneficial to switching and positioning the rope tightening cover and the rope tightening seat at different axial positions, and achieves switching between different states of matching contact and separation of the clamping jaw 211 and the cover tooth 11; the higher first cover limiting part 131 is convenient for the seat limiting part 212 to be clamped and not to be separated, so that the rope tightening cover and the rope tightening seat are not easy to separate, and the product integrity and the functional stability are ensured.

Preferably, the end of the cover side wall 13 does not exceed the plane of the connection 122, which is a plane perpendicular to the axis of the cord winding shaft 12. That is, the distance from the end of the cover side wall 13 to the upper end surface of the cover main body 1 is smaller than or equal to the distance from the connecting portion 122 to the upper end surface of the cover main body 1, and this structure can prevent the cover side wall 13 from interfering with the forming of the connecting portion 122 in the form of the connecting groove or the connecting hole, which is favorable for the mold release forming.

Preferably, the connection portion 122 includes a through hole 1221 through which the cord passes and a catching step 1222 to catch a cord clip. Perforation 1221 can lead and fix a position the rope thing, and the card ends step 1222 can carry out the screens to the location head of rope thing tip, prevents that the rope thing from deviating from connecting portion 122.

Preferably, the end of the cord winding shaft 12 is formed with a slit 124 communicating with the perforation 1221 for the cord to enter the perforation 1221. When the rope is installed, the rope can be directly placed into the through hole 1221 from the notch 124, the rope can be placed into the notch 124 longitudinally or transversely, and the rope can be tensioned and positioned after being placed into the notch 124, so that the operation is convenient and fast. And the end of the rope winding shaft 12 is limited by the seat sinking groove 22, the gap 124 is not easy to be expanded by the rope torsion and the like due to the rope winding shaft 12, the rope is prevented from easily falling out from the through hole 1221, and the edge and the groove bottom of the seat sinking groove 22 can also prevent the rope from easily falling out.

Preferably, the slit 124 has a narrow portion 1241 to prevent the cord from coming off. The narrow opening 1241 restricts the rope from coming out of the slit 124 when the rope is inserted into the through hole 1221.

Preferably, the narrow opening portion 1241 has a rope guiding slope 1242 for the rope object to slide in. When the rope is loaded, the rope guiding inclined plane 1242 can guide the rope in a proper position, so that the mutual action between the rope and the side wall is facilitated, the rope or the side wall of the notch 124 is deformed, the notch 124 is large, and the rope can enter the through hole 1221 in a proper position.

To further facilitate the cord fitting into the cutout 124 and the perforation 1221, the cord guide ramp 1242 is preferably oriented toward the end of the cord wrapping shaft 12.

Preferably, the narrow part 1241 has a drop-off prevention step 1243 to catch the rope. After the rope is loaded into the through hole 1221, the anti-falling step 1243 can limit the rope in the through hole 1221, so as to prevent the rope from falling out of the notch 124.

To facilitate the entry of the cord into the slit 124 and further into the perforation 1221, the slit 124 preferably has slit sidewalls, and the gap between the two slit sidewalls forms the slit 124, with the gap between the two slit sidewalls gradually decreasing from the outside to the inside.

Preferably, the cord wrap shaft 12 has a shaft hole into which the positioning shaft of the cord tightener is inserted. The shaft hole can be matched with the positioning shaft to rotate relatively, and the rotation coaxiality, smoothness and stability of the rope winding shaft 12 and the whole rope tightening cover can be ensured.

Preferably, the shaft hole is provided with a hole limiting part which is matched with the positioning shaft for limiting axial movement. The hole limiting part can be matched with the shaft limiting part of the positioning shaft to realize the buckle positioning at different axial positions, so that the clamping jaw 211 is switched between different states in matched contact with and separated from the cover teeth 11, and the switching of the rope tightening operation state and the rope loosening operation state is realized.

Preferably, the hole stopper is a stopper protrusion. The hole limiting part in the limiting protrusion form is matched with the shaft limiting part in the limiting groove or the limiting protrusion form to be buckled and positioned.

Preferably, the hole stopper is a stopper groove. The hole limiting part in the limiting groove form is matched with the shaft limiting part in the limiting protrusion form for buckling and positioning.

Preferably, the shaft hole is through type. When the hole limiting part is a limiting protrusion, the upper die rod and the lower die rod can be used for forming the limiting protrusion and the shaft hole, so that the demolding is facilitated.

Preferably, the shaft hole is non-penetrating. When the hole limiting part is a limiting protrusion, the lower die rod and the transverse die rod extending along the direction vertical to the axis on the peripheral surface of the rope winding shaft 12 are matched to form the limiting protrusion and the shaft hole, so that the demoulding is facilitated. The transverse through holes formed by the transverse mold rods can be used as through holes 1221 or spaces for accommodating the positioning heads of the ropes.

A cord tightening seat, as shown in fig. 1-8, comprising a seat main body 2; the seat main body 2 has a seat side wall 21 extending toward the cord tightening cover, and the end of the seat side wall 21 is provided with a claw 211 engaging with the cover tooth 11 in a manner close to or away from the cover tooth 11. A seat stopper 212 facing the cover side wall 13 is formed on the outer surface of the seat side wall 21. The utility model discloses in the in-service use, the lid is tightened up to the rope thing and the cooperation installation of the seat is tightened up to the rope thing and is used, when the lid is tightened up to the rope thing and the seat is tightened up to the rope thing position to the rope thing, the lid tooth 11 that the lid is tightened up to the rope thing cooperatees with the jack catch 211 that the seat is tightened up to the rope thing, the jack catch 211 relies on elasticity to keep the jack catch to cooperate with lid tooth 11, rotate according to tightening up rope thing direction and cover main part 1, drive rope thing winding shaft 12 and tighten up the winding to the rope thing, in this process lid tooth 11 supports and presses the pawl tooth 2111 towards the seat direction is tightened up to the rope thing, the jack catch 211 relies on elasticity and produces the elastic deformation towards the seat direction is tightened up to the rope thing, lid tooth 11 follows the situation and slides the pawl tooth 2111 on the jack catch 211 along corresponding tooth inclined plane 21111, in the continuous rotation process, the pawl tooth 2111 fluctuates in the direction that is close to or keeps away from lid tooth 11; when the cap body 1 stops rotating, the pawl 2111 catches the cap tooth 11 by means of the corresponding pawl face 21112 and positions it, so that the cord object is wound on the cord object winding shaft 12 with a corresponding degree of tightness and it is difficult to reversely release the cord object; when the rope tightening cover and the rope tightening seat are in the position where the rope can be loosened, the cover teeth 11 of the rope tightening cover are separated from the claw teeth 2111 of the rope tightening seat, the claw teeth 2111 do not clamp the cover teeth 11, and the rope can be loosened by actively rotating the cover body 1 reversely or driving the rope winding shaft 12 to rotate reversely by using the pulling force of the rope. The seat limiting part 212 can be matched with the cover limiting part 131 to realize the buckle positioning at different positions, so that the claw 211 is switched between different states in matched contact with and separated from the cover teeth 11, and the switching of the rope tightening operation state and the rope loosening operation state is realized.

Preferably, the jaw 211 is an elastic jaw 211 approaching or departing from the cover tooth 11 in an elastically deforming manner. The elastic claw 211 can generate elastic deformation by the elastic performance of the material, keeps the matching with the cover teeth 11, can still bounce at the gap between the adjacent cover teeth 11 and be occluded with the cover teeth 11 again after being pressed and deformed by the cover teeth 11, and can immediately realize the positioning and the limited reverse rotation of the cover teeth 11 and the whole rope tightening cover.

To further facilitate the elastic deformation of the elastic claw 211, it is preferable that a deformation gap 213 for the elastic claw 211 to deform is provided between the seat side wall 21 and the elastic claw 211. The deformation gap 213 may provide a space for the elastic jaw 211 to be elastically deformed, for example, when the elastic jaw 211 is pressed by the cover tooth 11, the elastic jaw 211 may be elastically deformed in a direction downward toward the bottom of the cord object tensioning seat. The specific structure may be that an accommodating space for accommodating the elastic claw 211 is formed at the end of the seat sidewall 21.

Preferably, the resilient pawl 211 includes a pawl tooth 2111 that mates with the cap tooth 11, and a resilient pawl arm 2112 that carries the pawl tooth 2111. The pawl tooth 2111 is mainly used for being mutually meshed with the cover tooth 11, when the rope tightening cover rotates along the direction of tightening the rope, the cover tooth 11 presses the pawl tooth 2111 along the corresponding tooth inclined plane 21111, the rope tightening cover can rotate, when the rope tightening cover rotates along the direction of loosening the rope, the pawl tooth 2111 is supported by the elastic pawl arm 2112 and positions the cover tooth 11 by the corresponding pawl clamping surface 21112, so that the rope tightening cover is not easy to reversely rotate to release the rope, and only when the rope tightening cover is pulled out to the operation state of loosening the rope, the cover tooth 11 is separated from the pawl tooth 2111, and the operation of releasing the rope can be conveniently carried out.

Preferably, resilient pawl arms 2112 are connected between the pawl teeth 2111 and the end of the seat side wall 21. The resilient finger arms 2112 serve to support and provide resiliency.

Preferably, the elastic claw arm 2112 has an arm root end connected to the seat side wall 21 and an arm tip end connected to the claw 2111, and the elastic claw arm 2112 extends from the arm root end to the arm tip end toward the direction of tightening the cord. The elasticity claw arm 2112 that this structure set up easily produces downward deformation when receiving the power of downwards and the orientation rope thing direction of screwing, more do benefit to the lid tooth 11 that the rope thing was tightened the lid and rotate towards the direction of the rope thing of screwing in the same place, and when the rope thing was tightened the lid and is moved lid tooth 11 and rotate towards the direction of relaxing the rope thing, elasticity claw arm 2112 can receive the pressure along self direction, utilize self supporting capacity to support lid tooth 11 and avoid the rope thing to tighten up the lid and easily rotate along the rope thing direction of unscrewing, but combine claw card face 21112 and tooth card face 112 buckle location.

To facilitate engagement of the pawl teeth 2111 with the cap teeth 11, the pawl teeth 2111 preferably project in the direction of the cap teeth 11.

To further facilitate engagement of the pawl 2111 with the cap tooth 11, the pawl tooth 2111 is preferably closer to the cap tooth 11 than the resilient pawl arm 2112 and the seat side wall 21.

Preferably, the deformation gap 213 has a dimension greater than the dimension of the pawl tooth 2111 projecting beyond the end of the seat side wall 21. This structure allows the deformation gap 213 to have enough space for the elastic claw 211 to deform to disengage the claw 2111 from the cap tooth 11.

Preferably, the tips of the prongs 2111 face in the direction of the cord being wound. When the rope tightening cover rotates along the direction of tightening the rope, the claw 2111 of the structure is more beneficial to being matched with the cover tooth 11 in a relative movement manner, and when the rope tightening cover rotates along the direction of loosening the rope, the claw 2111 of the structure is more beneficial to being mutually buckled and positioned with the cover tooth 11.

Preferably, the pawl tooth 2111 has a tooth slope 21111 gradually inclined from the root end to the tip end toward the cord tightening direction for the cover tooth 11 to slide over, and the tooth slope 21111 is oriented toward the cord loosening direction. When the rope tightening cover rotates along the direction of tightening the rope, the claw 2111 of the structure is more beneficial to be matched with the cover tooth 11 along with relative movement.

Preferably, the pawl 2111 has a pawl face 21112 for catching the cap tooth 11, and the pawl face 21112 faces the direction of winding the cord. When the rope tightening cover rotates along the direction of loosening the rope, the claw teeth 2111 of the structure are more beneficial to being buckled and positioned with the cover teeth 11.

To ensure that the detent surface 21112 can engage the tooth surface 112 of the cover tooth 11, the detent surface 21112 is preferably parallel to the axis of the cord wrap shaft 12. This structure also facilitates the mold release molding while exerting the function of the click surface 21112.

Preferably, the root end of the arm is smoothly connected to the end of the seat side wall 21. The structure can prevent the connection part of the claw arm and the seat side wall 21 from being stressed intensively, and has good elasticity and durability.

Preferably, two or more elastic jaws 211 are arranged in line around the axis of the cord winding shaft 12. More than two elastic claws 211 can be uniformly supported and matched with the cover teeth 11 in a buckling way, so that the performance and the rotation stability are ensured.

In order to enhance that the elastic claw 211 can be uniformly supported and snap-fitted with the cover tooth 11, further ensuring performance and rotational smoothness, it is preferable that three elastic claws 211 are uniformly arranged around the axis of the cord winding shaft 12. The structure is simple, the three-point support can form a stable plane, and the rotation of the rope tightening cover is more stable.

Preferably, the arm tip is provided with two prongs 2111. The two claw teeth 2111 can be ensured to be meshed with the cover teeth 11 and are not easy to be disengaged, and the roots of the two claw teeth 2111 lean against each other, so that the claw teeth 2111 are not easy to break and have higher strength.

Preferably, two claws 2111 of the same elastic claw arm 2112 are arranged in line in the extending direction of the elastic claw arm 2112. This structure allows two claws 2111 of the same elastic claw arm 2112 to engage with the corresponding cap teeth 11 at the same time, and to lean against each other in the direction of force application, and both engagement and strength are ensured.

Preferably, the resilient pawl 211 is integrally formed with the seat side wall 21. The elastic claw 211 and the seat side wall 21 are integrally formed, so that the stability of the integral structure strength and the elastic working performance can be ensured, the assembly processes are reduced, and the one-step forming cost is low.

Preferably, the seat main body 2 has an inner cavity for receiving the cord winding shaft 12, and a seat sinking groove 22 into which the protruding head 1211 of the winding shaft main body 121 protrudes is formed at the bottom of the inner cavity. The protrusion 1211 is engaged with the seat sinking groove 22 to limit the rotation of the rope tightening cover, so as to ensure the rotation coaxiality, the stability and the precision of the rope winding, and the small gap between the protrusion 1211 and the seat sinking groove 22 can be used to prevent the rope from falling off the end of the winding shaft body 121.

Preferably, the gap between the seat sinker 22 and the protrusion head 1211 is smaller than the diameter of the rope. A small gap between the insertion head 1211 and the seating groove 22 is secured to prevent the rope from coming off the end of the winding shaft body 121.

Preferably, the depth of the seating depression 22 is greater than the size of the cap body 1 drawn out when the cord is loosened. In practical use, when the cap body 1 is pulled out by loosening the rope, the insertion head 1211 cannot be completely pulled out from the seat sinking groove 22, i.e. the insertion head 1211 can be continuously matched with the seat sinking groove 22, and a small gap between the insertion head 1211 and the seat sinking groove 22 can be ensured to prevent the rope from falling out of the end of the winding shaft body 121.

Preferably, the seat stopper 212 is a stopper protrusion. The seat-restricting portion 212 in the form of a restricting protrusion is engaged with the cover-restricting portion 131 in the form of a restricting groove or a restricting protrusion for snap-fitting positioning.

Preferably, the seat stopper 212 is a stopper groove. The seat-restricting portion 212 in the form of a restricting groove is engaged with the cover-restricting portion 131 in the form of a restricting protrusion for snap-fitting positioning.

Preferably, the seat stopper portion 212 is an annular stopper protrusion surrounding the rotational axis of the cap body 1. The annular limiting protrusion can be matched with the cover limiting part 131 in the form of the limiting groove or the limiting protrusion to perform buckle positioning, and meanwhile, the rope can be tightened to perform stable and smooth rotation.

Preferably, the seat stopper portion 212 includes a plurality of projection units arranged around the rotational axis of the cover main body 1. The plurality of protruding units arranged around the rotation axis of the cover body 1 can realize the buckling positioning by matching with the cover limiting part 131 in the form of a limiting groove or a limiting protrusion, and can also ensure that the rope object tightens the cover to rotate stably and smoothly.

Preferably, the seat limiting part comprises two seat limiting parts 212 arranged along the axial direction of the rope winding shaft 12, namely a first seat limiting part 212 close to the end part of the seat side wall 21 and a second seat limiting part 212 far away from the end part of the seat side wall 21. Two seat spacing portions 212 arranged along the axial direction of the rope winding shaft 12 can realize that the rope tightening cover and the rope tightening seat are buckled and positioned at different positions in the direction close to or far away from each other, so that the purpose of switching between different states of the clamping jaw 211 and the cover tooth 11 in matching contact and separation is achieved, and the rope tightening operation and the rope loosening operation state switching are realized.

Preferably, the convex end of the second seat position limiting portion 212 is a convex smooth arc surface. The second seat limiting part 212 with a smooth arc surface can facilitate the smooth movement and the position clamping of the rope tightening cover relative to the seat limiting part 212.

Preferably, the first seat-limiting portion 212 has a seat-following inclined surface facing the cord tightening cover and gradually inclined toward the second seat-limiting portion 212 from the root to the end, and a seat-escape-preventing surface facing the second seat-limiting portion 212; the included angle between the seat anticreep surface and the axis of the rope winding shaft 12 is larger than the included angle between the seat smooth surface and the axis of the rope winding shaft 12. The seat is inclined to facilitate the fastening of the rope tightening cover and the rope tightening seat, and the cover anti-release surface 1312 can be fastened to the seat anti-release surface to prevent the rope tightening cover and the rope tightening seat from being easily separated.

Preferably, the protruding height of the first seat stopper portion 212 is greater than the protruding height of the second seat stopper portion 212. After the cover limiting part 131 and the seat limiting part 212 are buckled together, the shorter second seat limiting part 212 is convenient for the cover limiting part 131 to slide, is beneficial to switching and positioning the rope tightening cover and the rope tightening seat at different axial positions, and achieves switching between different states of the clamping jaw 211 and the cover tooth 11 in matched contact and separation; the higher first seat limiting part 212 is convenient for the cover limiting part 131 to be clamped and not to be separated, so that the rope tightening cover and the rope tightening seat are not easy to separate, and the product integrity and the functional stability are ensured.

Preferably, the bottom of the seat recess 22 is formed with a positioning shaft extending into the inner cavity. The positioning shaft can be matched with the shaft hole to rotate relatively, and the rotation coaxiality, smoothness and stability of the rope winding shaft 12 and the whole rope tightening cover can be ensured.

Preferably, the positioning shaft has a shaft stopper portion that is fitted with the hole stopper portion. The shaft limiting part can be matched with the hole limiting part to realize the positioning of the buckles at different axial positions, so that the clamping jaws 211 are switched between different states in matched contact with and separated from the cover teeth 11, and the switching of the operation state of tightening and loosening the rope is realized.

Preferably, the shaft limiting part is a limiting protrusion. The shaft limiting part in the limiting protrusion form is matched with the hole limiting part in the limiting groove or limiting protrusion form for buckling and positioning.

Preferably, the shaft limiting part is a limiting groove. The shaft limiting part in the form of the limiting groove is matched with the hole limiting part in the form of the limiting protrusion to carry out buckle positioning.

Preferably, the positioning shaft comprises two elastically deformable heads, between which there is a deformation opening for the elastically deformable heads to deform. The deformation opening is convenient for two elastic deformation heads to carry out elastic deformation inwards and the spacing portion of mating holes moves and screens.

A cord tightening device, as shown in fig. 1-8, comprises a cord tightening cover and a cord tightening seat assembled together. In the practical use process of the utility model, when the rope tightening cover and the rope tightening seat are at the position of the tightening rope, the cover teeth 11 of the rope tightening cover are matched with the claws 211 of the rope tightening seat, the claws 211 keep the teeth to be matched with the cover teeth 11 by elasticity, the cover body 1 is rotated according to the direction of the tightening rope to drive the rope winding shaft 12 to tighten and wind the rope, the cover teeth 11 press the claw teeth 2111 towards the direction of the rope tightening seat in the process, the claws 211 generate elastic deformation towards the direction of the rope tightening seat by elasticity, the cover teeth 11 slide over the claw teeth 2111 on the claws 211 along the corresponding tooth inclined planes 21111, and in the continuous rotation process, the claw teeth 2111 fluctuate in the direction close to or far away from the cover teeth 11; when the cap body 1 stops rotating, the pawl 2111 catches the cap tooth 11 by means of the corresponding pawl face 21112 and positions it, so that the cord object is wound on the cord object winding shaft 12 with a corresponding degree of tightness and it is difficult to reversely release the cord object; when the rope tightening cover and the rope tightening seat are in the position where the rope can be loosened, the cover teeth 11 of the rope tightening cover are separated from the claw teeth 2111 of the rope tightening seat, the claw teeth 2111 do not clamp the cover teeth 11, and the rope can be loosened by actively rotating the cover body 1 reversely or driving the rope winding shaft 12 to rotate reversely by using the pulling force of the rope.

Preferably, the height of the cap teeth 11 or the pawl teeth 2111 is smaller than the size of the cap body 1 extracted when the cord object is loosened. The structure can ensure that the cover teeth 11 and the claw teeth 2111 are completely separated when the rope object is pulled out to tighten the cover, the function of buckling and interlocking is lost, and the rope object is convenient to tighten the cover to rotate.

A shoe, as shown in FIGS. 1 to 8, includes a shoe main body 3 and a cord tightener mounted on the shoe main body 3. In the practical use process of the utility model, when the rope tightening cover and the rope tightening seat are at the position of the tightening rope, the cover teeth 11 of the rope tightening cover are matched with the claws 211 of the rope tightening seat, the claws 211 keep the teeth to be matched with the cover teeth 11 by elasticity, the cover body 1 is rotated according to the direction of the tightening rope to drive the rope winding shaft 12 to tighten and wind the rope, the cover teeth 11 press the claw teeth 2111 towards the direction of the rope tightening seat in the process, the claws 211 generate elastic deformation towards the direction of the rope tightening seat by elasticity, the cover teeth 11 slide over the claw teeth 2111 on the claws 211 along the corresponding tooth inclined planes 21111, and in the continuous rotation process, the claw teeth 2111 fluctuate in the direction close to or far away from the cover teeth 11; when the cap body 1 stops rotating, the pawl 2111 catches the cap tooth 11 by means of the corresponding pawl face 21112 and positions it, so that the cord object is wound on the cord object winding shaft 12 with a corresponding degree of tightness and it is difficult to reversely release the cord object; when the rope tightening cover and the rope tightening seat are in the position where the rope can be loosened, the cover teeth 11 of the rope tightening cover are separated from the claw teeth 2111 of the rope tightening seat, the claw teeth 2111 do not clamp the cover teeth 11, and the rope can be loosened by actively rotating the cover body 1 reversely or driving the rope winding shaft 12 to rotate reversely by using the pulling force of the rope.

An article, as shown in fig. 1-8, includes an article body and a cord tightener mounted on the article body. The utility model discloses in the in-service use, the lid is tightened up to the rope thing and the cooperation installation of the seat is tightened up to the rope thing and is used, when the lid is tightened up to the rope thing and the seat is tightened up to the rope thing position to the rope thing, the lid tooth 11 that the lid is tightened up to the rope thing cooperatees with the jack catch 211 that the seat is tightened up to the rope thing, the jack catch 211 relies on elasticity to keep the jack catch to cooperate with lid tooth 11, rotate according to tightening up rope thing direction and cover main part 1, drive rope thing winding shaft 12 and tighten up the winding to the rope thing, in this process lid tooth 11 supports and presses the pawl tooth 2111 towards the seat direction is tightened up to the rope thing, the jack catch 211 relies on elasticity and produces the elastic deformation towards the seat direction is tightened up to the rope thing, lid tooth 11 follows the situation and slides the pawl tooth 2111 on the jack catch 211 along corresponding tooth inclined plane 21111, in the continuous rotation process, the pawl tooth 2111 fluctuates in the direction that is close to or keeps away from lid tooth 11; when the cap body 1 stops rotating, the pawl 2111 catches the cap tooth 11 by means of the corresponding pawl face 21112 and positions it, so that the cord object is wound on the cord object winding shaft 12 with a corresponding degree of tightness and it is difficult to reversely release the cord object; when the rope tightening cover and the rope tightening seat are in the position where the rope can be loosened, the cover teeth 11 of the rope tightening cover are separated from the claw teeth 2111 of the rope tightening seat, the claw teeth 2111 do not clamp the cover teeth 11, and the rope can be loosened by actively rotating the cover body 1 reversely or driving the rope winding shaft 12 to rotate reversely by using the pulling force of the rope.

The product form of the present invention is not limited to the drawings and embodiments of the present application, and any person can properly change or modify the product form of the present invention without departing from the scope of the present invention.

Claims

1. A rope tightening cover, a cover main body; the method is characterized in that: the cover main body is provided with a cover corresponding surface corresponding to the seat side wall of the rope tightening seat, and a plurality of cover teeth arranged around the rotation axis of the cover main body are formed on the cover corresponding surface; the cover body is provided with a cover facing surface facing the rope tightening seat, and the cover facing surface is provided with a rope winding shaft positioned at the inner ring of the cover teeth; the edge of the cover main body is provided with a cover side wall extending towards the rope tightening seat; the inner side surface of the cover side wall is provided with a cover limiting part facing the seat side wall.

2. The cord tie cover of claim 1, wherein: the cover teeth are arranged to extend toward the axis of rotation of the cover body.

3. The cord tightening cap according to claim 2, wherein: the cap teeth are perpendicular to the axis of rotation of the cap body.

4. The cord tightening cap according to claim 1, wherein: the width of the cover tooth is gradually reduced from the root to the tip.

5. The cord tightening cap according to claim 4, wherein: the cover teeth are provided with tooth consequent inclined planes for the clamping jaws to slide in a consequent manner when the rope is screwed on and tooth clamping surfaces matched with and clamped by the claw clamping surfaces of the claw teeth.

6. The cord tightening cap according to claim 5, wherein: the tip of the cover tooth extends towards the opposite direction of the screwing rope object.

7. The cord tightening cap according to claim 1, wherein: the rope winding shaft comprises a winding shaft main body extending into the inner cavity of the rope tightening seat.

8. The cord tightening cap according to claim 7, wherein: the winding shaft main body is in a straight column shape, and is gradually thinned from the root to the tip or thick at two ends and thin in the middle.

9. The cord tightening cap according to claim 7, wherein: the tip of the winding shaft main body is provided with an extending head extending into a seat sinking groove of the rope object tightening seat.

10. The cord tightening cap according to claim 9, wherein: the length of the extending head is larger than the size of the pulling-out cover main body when the rope object is loosened.

11. The cord tie cover of claim 7, wherein: the rope winding shaft is provided with a connecting part connected with the rope, and the connecting part is a connecting groove or a connecting hole.

12. The cord tightening cap according to any one of claims 1-11, wherein: the cord winding shaft and the cover main body are integrally formed or connected together in a buckling manner.

13. The cord tightening cap according to claim 7, wherein: the cord winding shaft includes a shaft seat connected between a winding shaft body and a cover body.

14. The cord tightening cap of claim 13, wherein: the shaft seat is provided with a seat extending section extending into the inner cavity of the rope object tightening seat.

15. The cord tightening cap of claim 14, wherein: the clearance between the seat extending section and the side wall of the seat is smaller than the diameter of the rope object.

16. The cord tightening cap of claim 15, wherein: the length of the seat extending-in section is larger than the size of the cover main body when the rope object is loosened by screwing.

17. The cord tie cover of claim 1, wherein: the cover is formed with an annular groove around the winding shaft main body toward the face.

18. The cord tightening cap of claim 17, wherein: the cover teeth are formed on the bottom of the annular groove.

19. The cord tightening cap according to claim 1, wherein: the cover limiting part is a limiting protrusion or a limiting groove.

20. The cord tightening cap of claim 19, wherein: the cover limiting part is an annular limiting bulge surrounding the rotation axis of the cover main body or comprises a plurality of bulge units arranged around the rotation axis of the cover main body.

21. The cord tightening cap of claim 20, wherein: including two arrange along rope thing winding axle axis direction the spacing portion of lid, be respectively for the spacing portion of first lid that is close to lid lateral wall tip and keep away from the spacing portion of second lid that covers lateral wall tip.

22. The cord tightening cap of claim 21, wherein: the protruding end part of the second cover limiting part is a convex smooth cambered surface.

23. The cord tightening cap of claim 22, wherein: the first cover limiting part is provided with a cover compliant inclined plane facing the rope tightening seat and gradually inclining towards the second cover limiting part from the root part to the end part, and a cover anti-falling plane facing the second cover limiting part; the included angle between the cover anti-falling surface and the axis of the rope object winding shaft is larger than the included angle between the cover homeotropic inclined surface and the axis of the rope object winding shaft.

24. The cord tightening cap of claim 21, wherein: the protruding height of the first cover limiting part is larger than that of the second cover limiting part.

25. The cord tie cover of claim 17, wherein: the end of the cover side wall does not exceed the plane of the connecting part, and the plane is a plane perpendicular to the axis of the rope winding shaft.

26. The cord tightening cap of claim 11, wherein: the connecting part comprises a through hole for the rope to pass through and a clamping step for clamping a rope clamping head.

27. The cord tie cover of claim 26, wherein: the end part of the rope winding shaft is provided with a gap communicated with the through hole for the rope to enter the through hole.

28. The cord tightening cap of claim 27, wherein: the gap is provided with a narrow opening part for preventing the rope object from falling off.

29. The cord tightening cap of claim 28, wherein: the narrow opening part is provided with a rope guide inclined plane for the rope object to slide in.

30. The cord tightening cap of claim 29, wherein: the rope guiding inclined plane faces to the end part of the rope object winding shaft.

31. The cord tightening cap of claim 29, wherein: the narrow opening part is provided with an anti-drop step for clamping the rope.

32. The cord tightening cap of claim 27, wherein: the opening is provided with opening side walls, a gap between the two opening side walls forms the opening, and the gap between the two opening side walls is gradually reduced from outside to inside.

33. A rope tightening seat comprises a seat main body; the method is characterized in that: the seat main body is provided with a seat side wall extending towards the rope tightening cover, and the end part of the seat side wall is provided with a clamping jaw which is matched with the cover tooth in a mode of being close to or far away from the cover tooth; the outer side surface of the seat side wall is formed with a seat limiting part facing the cover side wall.

34. The cord tightening receptacle of claim 33, wherein: the jaws are elastic jaws that approach or move away from the cover teeth in an elastically deformable manner.

35. The cord tightening receptacle of claim 34, wherein: a deformation gap for the elastic clamping jaw to deform is formed between the seat side wall and the elastic clamping jaw.

36. The cord tightening receptacle of claim 35, wherein: the elastic claw comprises claw teeth matched with the cover teeth and an elastic claw arm for bearing the claw teeth.

37. The cord tightening receptacle of claim 36, wherein: the resilient claw arms are connected between the claw teeth and the ends of the seat side walls.

38. The cord tightening receptacle of claim 37, wherein: the elastic claw arm is provided with an arm root end connected with the side wall of the seat and an arm tip end connected with the claw teeth, and the elastic claw arm extends from the arm root end to the arm tip end towards the direction of screwing the rope object.

39. The cord tightening receptacle of claim 38, wherein: the claw teeth protrude towards the cover teeth.

40. The cord tightener of claim 39, wherein: the pawl teeth are closer to the cover teeth than the resilient pawl arms and the seat side walls.

41. The cord tightener of claim 39, wherein: the size of the deformation gap is larger than the size of the claw tooth protruding out of the end part of the side wall of the seat.

42. The cord tightening receptacle of claim 38, wherein: the tip of the claw tooth faces the direction of the tightening rope object.

43. The cord tightening receptacle of claim 42, wherein: the claw teeth are provided with tooth inclined planes which are inclined from root ends to tip ends towards the direction of the rope tightening object and are used for the cover teeth to slide along the direction of the rope loosening object.

44. The cord tightening receptacle of claim 43, wherein: the claw teeth are provided with claw surfaces for clamping the cover teeth, and the claw surfaces face the direction of the screwing rope object.

45. The cord tightening receptacle of claim 44, wherein: the claw clamping surface is parallel to the axis of the rope winding shaft.

46. The cord tightening receptacle of claim 38, wherein: the root end of the arm is smoothly connected with the end part of the side wall of the seat.

47. The cord tightening receptacle of claim 38, wherein: more than two elastic clamping claws are arranged around the axis of the rope winding shaft.

48. The cord tightening receptacle of claim 47, wherein: the three elastic claws are uniformly arranged around the axis of the rope winding shaft.

49. The cord tightening receptacle of claim 47, wherein: the tip of the arm is provided with two claw teeth.

50. The cord tightener of claim 49, wherein: two claw teeth on the same elastic claw arm are arranged along the extending direction of the elastic claw arm.

51. The cord tightening receptacle of any one of claims 34-50, wherein: the elastic claw and the side wall of the seat are integrally formed.

52. The cord tightening receptacle of any one of claims 33-50, wherein: the seat main body is provided with an inner cavity for accommodating the rope object winding shaft, and a seat sinking groove for the extension head of the winding shaft main body to extend into is formed at the bottom of the inner cavity.

53. The cord tightener of claim 52, wherein: the clearance between the seat sinking groove and the extending head is smaller than the diameter of the rope object.

54. The cord tightening receptacle of claim 53, wherein: the depth of the seat sinking groove is larger than the size of the cover main body when the rope object is loosened by screwing.

55. The cord tightening receptacle of claim 33, wherein: the seat limiting part is a limiting bulge or a limiting groove.

56. The cord tightening receptacle of claim 55, wherein: the seat limiting part is an annular limiting bulge surrounding the rotation axis of the cover body or comprises a plurality of bulge units arranged around the rotation axis of the cover body.

57. The cord tightening receptacle of claim 56, wherein: the seat limiting part is respectively a first seat limiting part close to the end part of the side wall of the seat and a second seat limiting part far away from the end part of the side wall of the seat.

58. The cord tightening receptacle of claim 57, wherein: the convex end part of the second seat limiting part is a convex smooth cambered surface.

59. The cord tightening receptacle of claim 58, wherein: the first seat limiting part is provided with a seat following inclined plane facing the rope tightening cover and gradually inclining towards the direction of the second seat limiting part from the root part to the end part, and a seat anti-falling plane facing the direction of the second seat limiting part; the included angle between the seat anti-falling surface and the axis of the rope object winding shaft is larger than the included angle between the seat smooth inclined surface and the axis of the rope object winding shaft.

60. The cord tightening receptacle of claim 57, wherein: the protruding height of the first seat limiting part is larger than that of the second seat limiting part.

61. A cord tightening device made based on the cord tightening cap of any one of claims 1-32 or the cord tightening seat of any one of claims 33-60, characterized in that: comprises a rope tightening cover and a rope tightening seat which are assembled together.

62. The cord tightening apparatus according to claim 61, wherein: the height of the cover teeth or the claw teeth is smaller than the size of the cover body pulled out when the rope object is loosened.

63. A shoe made based on the cord tightening apparatus of claim 61 or 62, wherein: comprises a shoe main body and a rope tightening device assembled on the shoe main body.

64. An article using the cord tightener of claim 61 or 62, characterized in that: comprises an article main body and a rope tightening device assembled on the article main body.