CN220364182U - Take-up and pay-off device - Google Patents

Abstract

The application discloses take-up and pay-off device belongs to articles for daily use field. The coiling and uncoiling device comprises a knob, a connecting piece, a check chuck and a limiting assembly. The knob is provided with a linkage piece and a first clamping piece, the connecting piece is connected with one end of the wire wheel far away from the base, the second clamping piece matched with the first clamping piece is arranged on the periphery of the connecting piece, the check chuck is connected with one end of the main body far away from the base, and the check chuck is circumferentially provided with a check piece matched with the linkage piece; the limiting assembly comprises a limiting piece and a first elastic piece, wherein a stepped hole is formed in the inner periphery of the connecting piece, a plurality of guide grooves are defined and formed in the circumferential direction of the inner wall of the hole with the largest aperture of the stepped hole, a guide clamping structure is respectively formed between two adjacent guide grooves, the first elastic piece is abutted between the limiting piece and the wire wheel, the limiting piece movably penetrates through the stepped hole, and clamping blocks are arranged in the circumferential direction of the limiting piece. The winding and unwinding device provided by the application can realize the tightness of the rope by pressing the knob back and forth, and is simple and convenient to operate.

Description

Take-up and pay-off device

Technical Field

The application relates to the technical field of articles for daily use, in particular to a take-up and pay-off device.

Background

The wire winding device is a device with the winding and unwinding functions and is generally used for shoes, hats and other occasions needing to be tensioned and relaxed through ropes and the like. When used on shoes, for example, they are generally mounted on the tongue or on the sides of the shoes, through which the shoelace is threaded, the shoelace is pulled and released by the winding and unwinding function of the winding device, so as to tighten or loosen the shoelace.

The existing wire winding device generally comprises a wire wheel for winding wires, a knob device in transmission connection with the wire wheel, a limiting device arranged between the wire wheel and the knob device and a check disc. When the device is used, the knob device is required to be pulled up, so that the wire wheel and the check disc are unlocked with the knob device. Thus, the rotating device is not easy to pull up for children, old people or operators wearing gloves, so that the rotating device is difficult to operate and inconvenient to use.

Disclosure of Invention

In view of this, the purpose of this application is to overcome the not enough in the prior art, provides a take-up and pay-off to solve the inconvenient technical problem of spooler operation among the prior art.

In order to solve the above technical problems, the present application provides:

a take-up and pay-off device comprising:

a base;

the main body is connected with the base, and is provided with a mounting cavity with two open ends;

the wire wheel is used for winding wires and is arranged in the mounting cavity in a rotating manner around the axial direction;

a linkage piece and a first clamping piece are arranged on one side, facing the main body, of the knob;

the connecting piece is connected with one end, far away from the base, of the wire wheel, and a second clamping piece matched with the first clamping piece is arranged on the periphery of the connecting piece;

the check chuck is connected with one end of the main body, which is far away from the base, a through hole is formed in the axial direction of the check chuck, and a check piece matched with the linkage piece is arranged in the circumferential direction of the check chuck;

the limiting assembly comprises a limiting part and a first elastic part, wherein a stepped hole is formed in the inner periphery of the connecting part, a plurality of guide grooves are defined and formed along the circumferential direction of the inner wall of the hole with the largest aperture of the stepped hole, a guide clamping structure is respectively formed between two adjacent guide grooves, the first elastic part is abutted between the limiting part and the wire wheel, the limiting part movably penetrates through the stepped hole, and clamping blocks are arranged along the circumferential direction of the limiting part;

the locking piece is arranged on the limiting piece in a penetrating mode and is connected with the knob;

when the knob is pressed, the limiting piece rotates in the stepped hole, the clamping block slides out of the guide groove and is clamped with the guide clamping structure, the first clamping piece is clamped with the second clamping piece, and the linkage piece is clamped with the non-return piece; or the clamping block slides from the guide clamping structure to the guide groove, the first clamping piece is separated from the second clamping piece, and the linkage piece is separated from the non-return piece.

In addition, the winding and unwinding device according to the application can also have the following additional technical characteristics:

in some embodiments of the present application, the limiting piece includes a stirring unit and a guiding unit, a toothed flanging is formed along the circumference of the stirring unit, a plurality of helical teeth are arranged along the circumference of the toothed flanging, and the plurality of helical teeth form the clamping block;

the guide unit is provided with a through hole, a slide block matched with the guide groove is arranged along the periphery of the guide unit, the poking unit movably penetrates through the through hole, the guide unit penetrates through the stepped hole, and a toothed edge matched with the toothed flanging is formed on one side, facing the toothed flanging, of the guide unit.

In some embodiments of the present application, the guide clamping structure is a step-shaped structure, and the step-shaped structure includes a first step surface and a second step surface, where the first step surface and the second step surface are respectively inclined surfaces, and are respectively the same as the inclined directions of the helical teeth.

In some embodiments of the present application, the toggle unit is far away from one side of the knob is provided with a first mounting groove, the reel is far away from one end of the base is provided with a second mounting groove, one end of the first elastic element is abutted in the first mounting groove, and the other end is abutted in the second mounting groove.

In some embodiments of the present application, the end of the reel away from the base is provided with a first clamping portion, and the end of the connecting piece away from the knob is provided with a second clamping portion in clamping connection with the first clamping portion.

In some embodiments of the present application, a third engaging portion is disposed at an end of the main body away from the base, and a fourth engaging portion engaged with the third engaging portion is disposed at a side of the check chuck away from the knob.

In some embodiments of the present application, a fifth engaging portion is disposed at an end of the main body facing the base, and a sixth engaging portion that is engaged with and connected to the fifth engaging portion is disposed on the base.

In some embodiments of the present application, the knob protrudes toward one side of the main body and is provided with a fixing column, and the locking member is disposed through the limiting member and is connected with the fixing column.

In some embodiments of the present application, the limiting component further includes a second elastic element, one end of the second elastic element abuts against the knob, and the other end of the second elastic element is disposed through the through hole and abuts against one end of the main body away from the base.

In some embodiments of the present application, the reel includes a spool and a disc disposed at both ends of the spool, the disc having a diameter greater than a diameter of the spool.

Compared with the prior art, the beneficial effects of this application are:

the application provides a take-up and pay-off device, take-up and pay-off device includes the base, a main body, a wire reel for wire winding, the knob, the connecting piece, check chuck, spacing subassembly and retaining member, spacing subassembly includes locating part and first elastic component, one side of knob orientation main body is provided with linkage and first joint spare, the connecting piece is connected with the one end that the base was kept away from to the wire reel, the periphery of connecting piece is provided with the second joint spare with first joint spare matched with, check chuck is connected with the one end that the base was kept away from to the main body, check chuck's circumference is provided with linkage matched with check spare, the shoulder hole has been seted up to the connecting piece inner circumference, be formed with a plurality of guide slots along the biggest inner wall circumference in aperture of shoulder hole, be formed with direction joint structure between two adjacent guide slots respectively, first elastic component butt is located the shoulder hole in the movable wearing between spacing piece and the wire reel, be provided with the joint piece along the circumference of spacing piece.

In the use, if tighten up the wire rope, only need press the knob once, make the locating part rotate in the ladder hole according to clockwise or anticlockwise, the joint piece slides out from the guide way to with direction joint structure joint, first joint spare and second joint spare joint, at this moment, linkage spare and non return spare joint, in order to make the knob rotate in one of clockwise or anticlockwise only, if make the knob rotate in clockwise only, the knob can drive the reel rotation like this and realize tightening up the wire rope. If the wire rope needs to be loosened, the knob is pressed again on the basis of pressing the knob for the first time, the clamping block slides from the guiding clamping structure to the guiding groove, the first clamping piece is separated from the second clamping piece, at the moment, the linkage piece is separated from the check piece, namely, the knob is separated from the check chuck and the connecting piece, the wire wheel can freely rotate clockwise or anticlockwise, the wire rope can be loosened from the wire wheel, the tightness of the wire rope can be realized by sequentially circularly operating the pressing knob, namely, the rotating tightness of the wire rope can be realized by pressing the knob, the operation is simple and convenient, and the technical problem that the operation is difficult due to pulling up the rotating knob in the prior art is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 illustrates a schematic perspective view of a pay-off and take-up device in a relaxed state in some embodiments of the present application;

FIG. 2 illustrates a schematic cross-sectional view of a pay-off and take-up device in a relaxed state in some embodiments of the present application;

FIG. 3 illustrates a schematic cross-sectional view of a connector and a limiter in a relaxed state in some embodiments of the present application;

FIG. 4 illustrates a schematic perspective view of a pay-off and take-up device in a stuck state in accordance with some embodiments of the present application;

FIG. 5 illustrates a schematic cross-sectional view of a pay-off and take-up device in a stuck state in some embodiments of the present application;

FIG. 6 illustrates a schematic cross-sectional view of a connector and a limiter in a stuck state in some embodiments of the present application;

FIG. 7 illustrates a perspective exploded view of a pay-off and take-up device according to some embodiments of the present application;

FIG. 8 illustrates another perspective exploded view of a pay-off and take-up device in some embodiments of the present application;

FIG. 9 illustrates a perspective view of a knob in some embodiments of the present application;

FIG. 10 illustrates a schematic perspective view of a stop-back chuck according to some embodiments of the present application;

FIG. 11 illustrates a perspective view of a connector in some embodiments of the present application;

FIG. 12 illustrates a perspective exploded view of a stop member in accordance with some embodiments of the present application;

FIG. 13 illustrates another perspective exploded view of a stop member in some embodiments of the present application;

FIG. 14 illustrates a perspective view of a wire wheel in some embodiments of the present application;

FIG. 15 illustrates a perspective view of a body in some embodiments of the present application;

fig. 16 illustrates a perspective view of a base in some embodiments of the present application.

Description of main reference numerals:

100-coiling and uncoiling devices; 110-a base; 111-sixth engagement portions; 120-body; 121-a mounting cavity; 122-a third engagement portion; 123-a fifth engagement portion; 130-a wire wheel; 131-a second mounting groove; 132-a first engagement portion; 133-a spool; 134-a tray; 135-first wire holes; 136-a second wire hole; 140-a knob; 141-a linkage; 142-first clamping piece; 143-fixing columns; 150-connecting piece; 151-a second clip; 152-a stepped bore; 1521-guide slots; 1522-guiding the clamping structure; 15221-a stepped structure; 152211-first step face; 152212-second step surface; 153-a second engagement portion; 160-a non-return chuck; 161-through holes; 162-check; 163-fourth engagement portion; 170-a limiting assembly; 171-a limiting piece; 1711-a toggle unit; 17111-clamping blocks; 17112-toothed flanging; 17113-helical teeth; 17114-a first mounting slot; 1712-a guide unit; 17121-a via; 17122-a slider; 17123-toothed edges; 172-a first elastic member; 173-a second elastic member; 180-locking member.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1, 4, 7 and 8, the embodiment of the present application provides a pay-off and take-up device 100, which is mainly applied to articles of daily use such as shoes, bags and clothes where a string is required to be paid-up and taken-down, and the pay-off and take-up device 100 includes a base 110, a main body 120, a reel 130 for winding a wire, a knob 140, a connecting member 150, a non-return chuck 160, a limiting assembly 170 and a locking member 180.

Referring to fig. 2, 3, 5 and 6, the main body 120 is connected to the base 110 by a clamping connection or a screw connection. The main body 120 is provided with a mounting cavity 121 with two open ends, and a reel 130 for winding is rotatably disposed in the mounting cavity 121 around the axial direction. The knob 140 is provided with a linkage member 141 and a first clamping member 142 on a side facing the main body 120, and the connecting member 150 is connected to an end of the reel 130 away from the base 110, so that the reel 130 and the connecting member 150 can rotate synchronously and stably. The second clamping member 151 that mates with the first clamping member 142 is disposed on the outer circumference of the connecting member 150, so that when the first clamping member 142 and the second clamping member 151 are clamped, the knob 140 rotates to drive the connecting member 150 and the wire wheel 130 to rotate synchronously. The check chuck 160 is connected to an end of the main body 120 away from the base 110, and may be made by clamping or integrally forming, a through hole 161 is formed along an axial direction of the check chuck 160, and a check member 162 matched with the linkage member 141 is disposed in a circumferential direction of the check chuck 160.

The check member 162 may be a pawl, the linkage member 141 may be a groove of a helical tooth 17113 capable of engaging with the pawl, and the main body 120 may be provided with a threading hole for threading a string. The base 110 may be attached to the tongue by rivets or may be attached to a bag or clothing item. The first clamping member 142 is of a protruding structure, the second clamping member 151 is of a clamping groove structure, and when the first clamping member 142 is clamped with the second clamping member 151, the knob 140 rotates to drive the connecting member 150 and the wire wheel 130 to synchronously rotate, and the knob 140 can rotate in one direction of anticlockwise or clockwise and cannot rotate in both directions of clockwise or anticlockwise.

The limiting component 170 includes a limiting member 171 and a first elastic member 172, the inner circumference of the connecting member 150 is provided with a stepped hole 152, a plurality of guide grooves 1521 are defined and formed along the circumferential direction of the inner wall of the hole with the largest aperture of the stepped hole 152, guide clamping structures 1522 are respectively formed between two adjacent guide grooves 1521, the first elastic member 172 is abutted between the limiting member 171 and the reel 130, the limiting member 171 movably penetrates through the stepped hole 152, a clamping block 17111 is arranged along the circumferential direction of the limiting member 171, and the clamping block 17111 can be clamped with the guide clamping structures 1522.

The locking member 180 is disposed through the limiting member 171 and connected to the knob 140, so that the limiting member 171 and the knob 140 are axially fixed and rotatable.

When the knob 140 is pressed, the limiting member 171 rotates in the stepped hole 152, the locking piece 17111 slides out from the guiding groove 1521 and is locked with the guiding locking structure 1522, the first locking member 142 is locked with the second locking member 151, the linkage member 141 is locked with the non-return member 162, and at this time, the first elastic member 172 is compressed. Or the locking block 17111 slides from the guiding locking structure 1522 to the guiding groove 1521, the first locking member 142 is separated from the second locking member 151, and the linkage member 141 is separated from the non-return member 162, at this time, the first elastic member 172 returns to an elastic state where the first elastic member 172 is in before the knob 140 is pressed for the first time.

In the pay-off and take-up device 100 provided by the embodiment of the application, when a wire rope is tightened, if the knob 140 is only required to be pressed once, the limiting piece 171 is enabled to rotate in the step hole 152 in the clockwise direction or the anticlockwise direction, the clamping block 17111 slides out of the guide groove 1521 and is clamped with the guide clamping structure 1522, the first clamping piece 142 is clamped with the second clamping piece 151, at this time, the linkage piece 141 is clamped with the check piece 162, so that the knob 140 can only rotate in one direction of the clockwise direction or the anticlockwise direction, if the knob 140 can only rotate in the clockwise direction, and thus, the knob 140 can drive the wire wheel 130 to rotate to tighten the wire rope.

If the cord is required to be loosened, on the basis of pressing the knob 140 for the first time, the knob 140 is pressed again, the clamping block 17111 slides from the guide clamping structure 1522 to the guide groove 1521, the first clamping piece 142 is separated from the second clamping piece 151, at this time, the linkage piece 141 is separated from the check piece 162, that is, the knob 140 is separated from the check chuck 160 and the connecting piece 150, the reel 130 can freely rotate in the clockwise and anticlockwise directions, the cord can be loosened from the reel 130, the tightness of the cord can be realized by sequentially and circularly operating the pressing knob 140, that is, the rotation tightness of the cord can be realized by pressing the knob 140, the operation is simple and convenient, and the technical problem that the operation is difficult due to pulling the knob in the prior art is avoided.

As shown in fig. 3, 6, 12 and 13, in an embodiment of the present application, optionally, the limiting member 171 includes a stirring unit 1711 and a guiding unit 1712, a toothed flange 17112 is formed along a circumferential direction of the stirring unit 1711, a plurality of helical teeth 17113 are provided along a circumferential direction of the toothed flange 17112, a plurality of helical teeth 17113 form the clamping block 17111, and the helical teeth 17113 are matched with the guiding clamping structure 1522. The guide unit 1712 has a through hole 17121, and a slider 17122 that mates with the guide groove 1521 is provided along the outer circumference of the guide unit 1712, and the slider 17122 is capable of moving in the guide groove 1521. The stirring unit 1711 movably penetrates through the through hole 17121, the guiding unit 1712 penetrates through the stepped hole 152, and a toothed edge 17123 matched with the toothed flange 17112 is formed on one side of the guiding unit 1712 facing the toothed flange 17112.

In this embodiment, when the slider 17122 and the bevel gear 17113 are both located in the guide groove 1521, the knob 140 is pressed, and the slider 17122 pushes the bevel gear 17113 to move down along the guide groove 1521 to the guide clamping structure 1522, and meanwhile, the toothed flange 17112 on the stirring unit 1711 cooperates with the toothed edge 17123 of the guide unit 1712, which also pushes the stirring unit 1711.

Further, the guiding unit 1712 and the stirring unit 1711 are respectively in cylindrical structures, and the outer diameter of the toothed flange 17112 is greater than or equal to the outer diameter of the guiding unit 1712. This facilitates the contact abutment of the toothed rim 17112 with the toothed edge 17123 of the guide unit 1712.

As shown in fig. 3, 6 and 11, in the above embodiment of the present application, optionally, the guide fastening structure 1522 is a stepped structure 15221, and the stepped structure 15221 includes a first step surface 152211 and a second step surface 152212, and the first step surface 152211 and the second step surface 152212 are respectively inclined surfaces and are respectively the same as the inclined directions of the inclined teeth 17113.

In the present embodiment, the guiding and fastening structure 1522 is a stepped structure 15221, when the knob 140 is pressed, the slider 17122 pushes the bevel gear 17113 to move down to the guiding and fastening structure 1522 along the guiding slot 1521, the bevel gear 17113 is located on the second step surface 152212 and fastened at the junction between the second step surface 152212 and the first step surface 152211, and the first elastic member 172 is in a compressed state. When the knob 140 is pressed again, the first elastic member 172 returns to elastic deformation, and at this time, the bevel gear 17113 moves downward and falls onto the first stepped surface 152211, and slides down the first stepped surface 152211 into the guide groove 1521.

As shown in fig. 7, 13 and 14, in the above embodiments of the present application, optionally, a first mounting groove 17114 is formed on a side of the toggle unit 1711 away from the knob 140, a second mounting groove 131 is formed on an end of the reel 130 away from the base 110, one end of the first elastic member 172 abuts against the first mounting groove 17114, and the other end abuts against the second mounting groove 131.

In the present embodiment, the first and second mounting grooves 17114 and 131 are provided to facilitate the mounting of the first elastic member 172. When the first elastic member 172 selects the continuously bent elastic piece, one end of the elastic piece abuts against the first mounting groove 17114, and the other end abuts against the second mounting groove 131. When the first elastic member 172 selects the cylindrical spring, one end of the cylindrical spring is abutted in the first mounting groove 17114, and the other end is abutted in the second mounting groove 131, and at the same time, the inner diameters of the first mounting groove 17114 and the second mounting groove 131 can be equal to the outer diameter of the cylindrical spring, so that the assembly of the cylindrical spring is more compact and stable. Further, connecting posts may be disposed in the first mounting groove 17114 and the second mounting groove 131, and two ends of the cylindrical spring are respectively sleeved on the connecting posts, so as to facilitate installation. In addition, the distance between the two connecting columns is ensured not to influence the compression deformation of the cylindrical spring.

As shown in fig. 11 and 14, in an embodiment of the present application, optionally, a first engaging portion 132 is disposed at an end of the wire wheel 130 away from the base 110, and a second engaging portion 153 that is engaged with and connected to the first engaging portion 132 is disposed at an end of the connecting member 150 away from the knob 140.

In this embodiment, the first engaging portion 132 is disposed at an end of the wire wheel 130 away from the base 110, and the second engaging portion 153 connected to the first engaging portion 132 is disposed at an end of the connecting member 150 away from the knob 140, so that the wire wheel 130 and the connecting member 150 are fixedly connected together, and the wire wheel 130 and the connecting member 150 can rotate synchronously and stably.

The first engaging portion 132 may be a buckle, and the second engaging portion 153 may be a slot engaged with the buckle; alternatively, the first engaging portion 132 may be a slot, and the second engaging portion 153 may be a buckle engaged with the slot.

As shown in fig. 10 and 15, in an embodiment of the present application, optionally, a third engaging portion 122 is disposed at an end of the main body 120 away from the base 110, and a fourth engaging portion 163 that is engaged with and connected to the third engaging portion 122 is disposed at a side of the check chuck 160 away from the knob 140.

In the present embodiment, the third engaging portion 122 is provided at the end of the main body 120 away from the base 110, and the fourth engaging portion 163 engaged with the third engaging portion 122 is provided at the side of the check chuck 160 away from the knob 140, so that the check chuck 160 is stably mounted on the main body 120, thereby realizing a stable mounting function for the check chuck 160.

Illustratively, the third engaging portion 122 may be a buckle, and the fourth engaging portion 163 may be a slot engaged with the buckle; alternatively, the third engaging portion 122 may be a slot, and the fourth engaging portion 163 may be a clip engaged with the slot.

As shown in fig. 15 and 16, in an embodiment of the present application, optionally, a fifth engaging portion 123 is provided at an end of the main body 120 facing the base 110, and the base 110 is provided with a sixth engaging portion 111 that is engaged with and connected to the fifth engaging portion 123.

In the present embodiment, the fifth engaging portion 123 is provided at one end of the main body 120 facing the base 110, and the sixth engaging portion 111 engaged with and connected to the fifth engaging portion 123 is provided on the base 110, so that the main body 120 is stably mounted on the base 110, thereby realizing a stable mounting function for the main body 120.

Illustratively, the fifth engaging portion 123 may be a buckle, and the sixth engaging portion 111 may be a slot that mates with the buckle; alternatively, the fifth engaging portion 123 may be a slot, and the sixth engaging portion 111 may be a clip engaged with the slot.

As shown in fig. 8 and 9, in an embodiment of the present application, optionally, a fixing column 143 is protruding from a side of the knob 140 facing the main body 120, and the locking member 180 is disposed through the limiting member 171 and connected to the fixing column 143.

In this embodiment, the fixing column 143 is protruded at one side of the knob 140 facing the main body 120, and the locking member 180 is inserted through the limiting member 171 and connected to the fixing column 143, so that the limiting member 171 is fixedly connected to the knob 140.

For example, the locking member 180 may be a screw, and the fixing column 143 is provided with a screw hole matched with the screw, and the screw sequentially penetrates through the through hole 17121 of the limiting member 171 and the screw hole of the fixing column 143, so that the limiting member 171 is fixedly connected with the knob 140.

As shown in fig. 2, 5 and 7, in an embodiment of the present application, optionally, the limiting assembly 170 further includes a second elastic member 173, one end of the second elastic member 173 abuts against the knob 140, and the other end is disposed through the through hole 161 and abuts against an end of the main body 120 away from the base 110. Further, the second elastic member 173 may be a cylindrical spring, in this embodiment, the second elastic member 173 is abutted between the knob 140 and the main body 120, so that after the knob 140 is pressed, the second elastic member 173 is in a compressed state, and can play a driving role in resetting the button. In addition, the balance of the pressing knob 140 can be improved, thereby improving the feel and pressing smoothness of the pressing knob 140.

As shown in fig. 14, in an embodiment of the present application, optionally, the reel 130 includes a spool 133 and a disc 134 disposed at two ends of the spool 133, where the diameter of the disc 134 is greater than that of the spool 133, and two first wire holes 135 and two second wire holes 136 are respectively formed along an axis direction perpendicular to the spool 133.

In this embodiment, the string may be fastened by knotting it through the first string hole 135 and the second string hole 136 in the string wheel 130.

Of course, in other embodiments, the cord may also be secured in the cord reel 130 by threading the cord through the first cord aperture 135 and the second cord aperture 136.

Specifically, the second wire hole 136 includes a first sub-second wire hole, a second sub-second wire hole and a third sub-second wire hole, where the first sub-second wire hole and the second sub-second wire hole are spaced apart along a horizontal direction, the third sub-second wire hole is spaced apart along a vertical direction, and the wire rope can sequentially pass through the first wire hole 135, the first sub-second wire hole, the second sub-second wire hole and the third sub-second wire hole, so as to realize the function of knotting-free fixation of the wire rope in the wire reel 130.

To sum up, the application provides a take-up and pay-off device 100, take-up and pay-off device 100 includes base 110, main part 120, a reel 130 for wire winding, knob 140, connecting piece 150, check chuck 160, spacing subassembly 170 and retaining member 180, spacing subassembly 170 includes spacing 171 and first elastic component 172, one side of knob 140 towards main part 120 is provided with link 141 and first joint 142, connecting piece 150 is connected with one end that the reel 130 kept away from base 110, the periphery of connecting piece 150 is provided with the second joint 151 with first joint 142 matched with, check chuck 160 is connected with one end that the main part 120 kept away from base 110, the periphery of check chuck 160 is provided with the check 162 with link 141 matched with, the shoulder 152 has been seted up to connecting piece 150 inner circumference, be formed with a plurality of guide slots 1521 along the biggest pore's of inner wall circumference of shoulder 152, be formed with guide joint 2 between two adjacent guide slots 1521 respectively, first elastic component 172 butt is located between spacing 171 and reel 130, spacing 171 movably locates along the shoulder 171, the periphery of shoulder 171 is located along the shoulder 17111.

In the use process, if the wire rope is tightened, the knob 140 is only pressed once, so that the limiting member 171 can rotate in the clockwise direction or the anticlockwise direction in the stepped hole 152, the clamping block 17111 slides out of the guide groove 1521 and is clamped with the guide clamping structure 1522, the first clamping member 142 is clamped with the second clamping member 151, at this time, the linkage member 141 is clamped with the check member 162, so that the knob 140 can only rotate in one direction of the clockwise direction or the anticlockwise direction, if the knob 140 can only rotate in the clockwise direction, and thus, the knob 140 can drive the wire wheel 130 to rotate to tighten the wire rope. If the cord is required to be loosened, on the basis of pressing the knob 140 for the first time, the knob 140 is pressed again, the clamping block 17111 slides from the guide clamping structure 1522 to the guide groove 1521, the first clamping piece 142 is separated from the second clamping piece 151, at this time, the linkage piece 141 is separated from the check piece 162, that is, the knob 140 is separated from the check chuck 160 and the connecting piece 150, the reel 130 can freely rotate in the clockwise or anticlockwise direction, the cord can be loosened from the reel 130, the tightness of the cord can be realized by sequentially and circularly operating the pressing knob 140, that is, the rotation tightness of the cord can be realized by pressing the knob 140, the operation is simple and convenient, and the technical problem that the operation is difficult due to pulling the knob in the prior art is avoided.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (10)

1. A take-up and pay-off device, comprising:

a base;

the main body is connected with the base, and is provided with a mounting cavity with two open ends;

the wire wheel is used for winding wires and is arranged in the mounting cavity in a rotating manner around the axial direction;

a linkage piece and a first clamping piece are arranged on one side, facing the main body, of the knob;

the connecting piece is connected with one end, far away from the base, of the wire wheel, and a second clamping piece matched with the first clamping piece is arranged on the periphery of the connecting piece;

the check chuck is connected with one end of the main body, which is far away from the base, a through hole is formed in the axial direction of the check chuck, and a check piece matched with the linkage piece is arranged in the circumferential direction of the check chuck;

the limiting assembly comprises a limiting part and a first elastic part, wherein a stepped hole is formed in the inner periphery of the connecting part, a plurality of guide grooves are defined and formed along the circumferential direction of the inner wall of the hole with the largest aperture of the stepped hole, a guide clamping structure is respectively formed between two adjacent guide grooves, the first elastic part is abutted between the limiting part and the wire wheel, the limiting part movably penetrates through the stepped hole, and clamping blocks are arranged along the circumferential direction of the limiting part;

the locking piece is arranged on the limiting piece in a penetrating mode and is connected with the knob;

when the knob is pressed, the limiting piece rotates in the stepped hole, the clamping block slides out of the guide groove and is clamped with the guide clamping structure, the first clamping piece is clamped with the second clamping piece, and the linkage piece is clamped with the non-return piece; or the clamping block slides from the guide clamping structure to the guide groove, the first clamping piece is separated from the second clamping piece, and the linkage piece is separated from the non-return piece.

2. The pay-off and take-up device according to claim 1, wherein the limiting piece comprises a stirring unit and a guiding unit, a toothed flanging is formed along the circumferential direction of the stirring unit, a plurality of helical teeth are arranged along the circumferential direction of the toothed flanging, and the plurality of helical teeth form the clamping block;

the guide unit is provided with a through hole, a slide block matched with the guide groove is arranged along the periphery of the guide unit, the poking unit movably penetrates through the through hole, the guide unit penetrates through the stepped hole, and a toothed edge matched with the toothed flanging is formed on one side, facing the toothed flanging, of the guide unit.

3. The take-up and pay-off device according to claim 2, wherein the guide clamping structure is a step-shaped structure, the step-shaped structure comprises a first step surface and a second step surface, and the first step surface and the second step surface are inclined surfaces respectively and have the same inclination direction as the inclined teeth respectively.

4. The take-up and pay-off device according to claim 2, wherein a first mounting groove is formed in one side, away from the knob, of the poking unit, a second mounting groove is formed in one end, away from the base, of the wire wheel, one end of the first elastic piece is abutted to the first mounting groove, and the other end of the first elastic piece is abutted to the second mounting groove.

5. The take-up and pay-off device according to claim 1, wherein a first clamping portion is arranged at one end of the wire wheel, which is far away from the base, and a second clamping portion which is in clamping connection with the first clamping portion is arranged at one end of the connecting piece, which is far away from the knob.

6. The pay-off and take-up device according to claim 1, wherein a third clamping portion is arranged at one end of the main body, which is far away from the base, and a fourth clamping portion which is in clamping connection with the third clamping portion is arranged at one side of the non-return chuck, which is far away from the knob.

7. The pay-off and take-up device according to claim 1, wherein a fifth engaging portion is provided at an end of the main body facing the base, and a sixth engaging portion is provided at the base, which is engaged with and connected to the fifth engaging portion.

8. The pay-off and take-up device according to claim 1, wherein a fixing column is arranged on one side of the knob, which faces the main body, in a protruding mode, and the locking piece penetrates through the limiting piece to be connected with the fixing column.

9. The pay-off and take-up device according to claim 1, wherein the limiting assembly further comprises a second elastic piece, one end of the second elastic piece is abutted to the knob, and the other end of the second elastic piece is arranged in the penetrating hole in a penetrating mode and abutted to one end, away from the base, of the main body.

10. The take-up and pay-off device according to any one of claims 1 to 9, wherein the reel comprises a spool and a disc disposed at both ends of the spool, the disc having a diameter larger than that of the spool.