CN210353474U

CN210353474U - Rope belt winding and unwinding device and article with rope belt winding and unwinding device

Info

Publication number: CN210353474U
Application number: CN201921531039.0U
Authority: CN
Inventors: 胡开艳
Original assignee: Shenzhen Fitgo Technology Co ltd
Current assignee: Shenzhen Fitgo Technology Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-04-21
Anticipated expiration: 2029-09-11

Abstract

The utility model provides a rope belt winding and unwinding device and an article with the rope belt winding and unwinding device, which comprises a cover body, a stator and a rotor for winding a rope belt; the cover body is rotationally connected with the stator, and the rotor is rotationally arranged in the stator; a rotation limiting piece is arranged in the cover body and fixedly connected with the rotor; the rotation limiting piece comprises a first elastic arm, a second elastic arm and a connecting block; the first elastic arm is provided with a first pawl, the second elastic arm is provided with a second pawl, the stator is provided with an inner ratchet ring, and the first pawl and the second pawl are both meshed with the inner ratchet ring; the cover body is fixedly provided with a first stirring piece, a second stirring piece and a positioning piece, wherein the positioning piece is used for jacking the bottom of the rotation limiting piece, and the first elastic arm is attached to the first stirring piece and the second elastic arm is attached to the second stirring piece. The rope belt retracting device is simple and convenient to operate.

Description

Rope belt winding and unwinding device and article with rope belt winding and unwinding device

Technical Field

The utility model relates to the technical field of articles for daily use, especially, relate to a receive and release fag end device and have articles for use that receive and release fag end device.

Background

The opening part of articles such as shoes, knapsack can be provided with the fag end usually, and at present, people all fix the elasticity of fag end through the mode of knoing, make the opening keep the state of tightening up from this. Wherein, the tightness of the rope belt refers to the degree of tightening or loosening of the rope belt.

Taking shoes as an example, when people go out, the knotted part of the rope belt is loosened due to sports, treading and the like, and at the moment, the people need to knotte again. The knotting operation is very complicated and time consuming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide one kind and receive and release fag end device and have articles for use that receive and release fag end device for there is the problem of the complicated and waste time of operation in the mode of fixing fag end elasticity through knoing among the solution prior art.

In order to solve the above problem, the utility model provides a: a rope belt winding and unwinding device comprises a cover body, a stator and a rotor for winding a rope belt;

the cover body is rotationally connected with the stator, and the rotor is rotationally arranged in the stator;

a rotation limiting piece is arranged in the cover body and fixedly connected with the rotor;

the rotation limiting piece comprises a first elastic arm, a second elastic arm and a connecting block, the first elastic arm and the second elastic arm are arranged in an axial symmetry mode and are respectively arranged on two sides of the connecting block, and the first elastic arm and the second elastic arm are both arranged on the top of the connecting block;

the first elastic arm is provided with a first pawl, the second elastic arm is provided with a second pawl, the stator is provided with an inner ratchet ring, and the first pawl and the second pawl are both meshed with the inner ratchet ring;

the cover body is fixedly provided with a first stirring piece, a second stirring piece and a positioning piece, wherein the positioning piece is pressed against the bottom of the rotation limiting piece, and the first elastic arm is attached to the first stirring piece and the second elastic arm is attached to the second stirring piece.

As a further improvement of the above technical solution, the rotation limiting member has an axisymmetric structure, wherein the first elastic arm and the second elastic arm are symmetrically disposed about a symmetry axis of the rotation limiting member.

As a further improvement of the technical scheme, the rotation limiting piece is detachably connected with the rotor.

As a further improvement of the technical scheme, a first clamping groove is formed in the top of the rotation limiting piece, and a first clamping block clamped with the first clamping groove is arranged on the rotor.

As a further improvement of the technical scheme, a second clamping groove is formed in the bottom of the rotation limiting piece, and a second clamping block clamped with the second clamping groove is arranged on the rotor.

As a further improvement of the technical scheme, the cover body is provided with a buckle, and the outer wall of the top of the stator is provided with a snap ring clamped with the buckle.

As a further improvement of the above technical solution, a mounting cavity is arranged inside the stator, and the rotor is rotatably arranged in the mounting cavity;

the inner ratchet ring is arranged above the placing cavity.

As a further improvement of the above technical solution, a diameter of an addendum circle of the inner ratchet ring is smaller than an outer diameter of the rotor.

As a further improvement of the technical scheme, anti-skid teeth are arranged on the outer side surface of the cover body.

The utility model discloses still provide: an article of manufacture having a cord retraction device, comprising a cord retraction device as described in any one of the above.

The utility model has the advantages that: the utility model provides a receive and release fag end device for adjust the elasticity of fag end.

The rotating limiting piece is arranged in the cover body, and is limited in the cover body under the action of the first shifting piece, the second shifting piece and the positioning piece. Because the first pawl and the second pawl on the rotation limiting piece are meshed with the inner ratchet ring on the stator, the rotor and the stator which are fixedly connected with the rotation limiting piece cannot rotate relatively under the condition that the cover body is driven to rotate without external force, and at the moment, the tightness of the rope belt is fixed.

When external force in a direction towards the first direction acts on the cover body, the first poking piece limiting piece on the cover body pushes the first elastic arm and deforms the first elastic arm, so that the first pawl can be separated from the inner ratchet ring, the cover body can rotate under the action of the external force along with the separation of the first pawl and the inner ratchet ring, and correspondingly, the rotation limiting piece driven by the cover body drives the rotor to rotate; when the external force in the second direction acts on the cover body, the second poking piece limiting piece on the cover body can push the second elastic arm and deform the second elastic arm, so that the second pawl can be separated from the inner ratchet ring, the cover body can rotate under the action of the external force along with the separation of the second pawl and the inner ratchet ring, and correspondingly, the rotation limiting piece driven by the cover body can drive the rotor to rotate. In summary, the rotor can be driven to rotate forward or backward under the action of external force, so that the rope belt can be tightened or loosened, and the separated first pawl or second pawl can be meshed with the inner ratchet ring again after the external force is removed.

The rope belt retracting device is simple and convenient to operate, time can be saved, great convenience can be provided for a user, and the user can finish the rope belt retracting operation by only using one hand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 shows a first exploded view of a pay-off and pay-off cord arrangement;

FIG. 2 shows a second exploded view of a pay-off and pay-off cord arrangement;

FIG. 3 shows a cross-sectional view of a cord take-up and pay-off device;

FIG. 4 shows a schematic view of a rotation limiter;

FIG. 5 shows a schematic view of a stator;

FIG. 6 shows a schematic view of a cover;

FIG. 7 illustrates a schematic view of a rotation limiter coupled to a cover;

FIG. 8 shows a schematic view of a rotor;

FIG. 9 shows a schematic view of a rotation limiter, rotor and stator connection;

fig. 10 shows an exploded view of a stator.

Description of the main element symbols:

1-a cover body; 2-a stator; 3-a rotor; 4-rotation limiting piece; 5-a first resilient arm; 6-a second resilient arm; 7-connecting blocks; 8-a first pawl; 9-a second pawl; 10-inner ratchet ring; 11-a first toggle member; 12-a second toggle piece; 13-a positioning element; 14-a first card slot; 15-a first fixture block; 16-a second card slot; 17-a second cartridge; 18-buckling; 19-a snap ring; 20-a placement cavity; 21-a middle seat; 22-a base; 23-clamping feet; 24-a clamping hole; 25-stringing holes; 26-rope inlet holes; 27-rope groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1, 2 and 3, in the present embodiment, a rope reel device is provided, which includes a cover 1, a stator 2 and a rotor 3 for winding a rope. Wherein, lid 1 and stator 2 rotate to be connected, and rotor 3 rotates and sets up in stator 2.

A rotation limiting piece 4 is arranged in the cover body 1, and the rotation limiting piece 4 is fixedly connected with the rotor 3.

As shown in fig. 4, the rotation limiting member 4 includes a first elastic arm 5, a second elastic arm 6 and a connecting block 7, the first elastic arm 5 and the second elastic arm 6 are disposed in axial symmetry and are disposed on two sides of the connecting block 7, and the first elastic arm 5 and the second elastic arm 6 are disposed on the top of the connecting block 7.

As shown in fig. 4 and 5, the first resilient arm 5 is provided with a first pawl 8, the second resilient arm 6 is provided with a second pawl 9, and the stator 2 is provided with an inner ratchet ring 10, wherein the first pawl 8 and the second pawl 9 are both engaged with the inner ratchet ring 10.

As shown in fig. 6, the cover 1 is fixedly provided with a first toggle member 11, a second toggle member 12 and a positioning member 13, wherein the positioning member 13 presses against the bottom of the rotation limiting member 4, so that the first elastic arm 5 is attached to the first toggle member 11 and the second elastic arm 6 is attached to the second toggle member 12.

As shown in fig. 7, the rotation limiter 4 is limited in the cover 1 by the first toggle member 11, the second toggle member 12 and the positioning member 13. In fig. 7, when the cover 1 is rotated, the rotation limiter 4 rotates synchronously with the cover 1.

Referring to fig. 4 and 9, since the first pawl 8 and the second pawl 9 on the rotation limiter 4 are engaged with the inner ratchet ring 10 on the stator 2, in the case that the cover 1 is driven to rotate without an external force, the rotor 3 fixedly connected with the rotation limiter 4 and the stator 2 cannot rotate relatively, and at this time, the tightness of the rope is fixed.

Referring to fig. 7 and 9, when an external force in a clockwise direction acts on the cover body 1, since the second pawl 9 on the rotation limiting member 4 is engaged with the inner ratchet ring 10 on the stator 2, at this time, the second pawl 9 is subjected to the action of the inner ratchet ring 10 to cause a relative rotation trend between the rotation limiting member 4 and the cover body 1, so that the first toggle member 11 on the cover body 1 pushes and deforms the first elastic arm 5, so that the first pawl 8 is separated from the inner ratchet ring 10, and the cover body 1 can rotate under the action of the external force along with the separation of the first pawl 8 from the inner ratchet ring 10, and accordingly, the rotation limiting member 4 driven by the cover body 1 drives the rotor 3 to rotate;

when an external force in a direction towards the counterclockwise direction acts on the cover body 1, the first pawl 8 on the rotation limiting member 4 is engaged with the inner ratchet ring 10 on the stator 2, so that the first pawl 8 is acted by the inner ratchet ring 10 to cause a relative rotation trend between the rotation limiting member 4 and the cover body 1, and the second toggle member 12 on the cover body 1 pushes the second elastic arm 6 and deforms the second elastic arm 4, so that the second pawl 9 is separated from the inner ratchet ring 10, the cover body 1 can rotate under the action of the external force along with the separation of the second pawl 9 from the inner ratchet ring 10, and accordingly, the rotation limiting member 4 driven by the cover body 1 drives the rotor 3 to rotate.

In summary, the rotor 3 can be driven to rotate forward or backward under the action of external force, so as to tighten or prevent the rope belt, and after the external force is removed, the separated first pawl 8 or second pawl 9 can be meshed with the inner ratchet ring 10 again.

In the present embodiment, the rotation limiter 4 has an axisymmetric structure in which the first elastic arm 5 and the second elastic arm 6 are symmetrically disposed about the axis of symmetry of the rotation limiter 4. Correspondingly, the first pawl 8 and the second pawl 9 are also arranged symmetrically with respect to the axis of symmetry of the rotation limiter 4.

In order to facilitate production and assembly, the rotation limiting piece 4 is detachably connected with the rotor 3.

As shown in fig. 4, 8 and 9, the top of the rotation limiting member 4 may be provided with a first engaging groove 14, and correspondingly, the rotor 3 is provided with a first engaging block 15 engaged with the first engaging groove 14.

For the reliability of connection, the bottom of the rotation limiting member 4 may be provided with a second engaging groove 16, and correspondingly, the rotor 3 is provided with a second engaging block 17 engaged with the second engaging groove 16.

The fixed connection between the rotation limiting piece 4 and the rotor 3 is realized through the connection between the first clamping groove 14 and the first clamping block 15 and the connection between the second clamping groove 16 and the second clamping block 17.

In this embodiment, the cover 1 is rotatably connected to the stator 2, and after the cover 1 is rotated, the rotor 3 is driven to rotate by the rotation limiting member 4, so that the rotor 3 and the stator 2 rotate relatively.

As shown in fig. 5 and 6, in order to assemble the cover 1 and the stator 2, a buckle 18 may be disposed on the cover 1, a snap ring 19 that is snapped with the buckle 18 may be disposed on an outer wall of a top portion of the stator 2, the buckle 18 may be disposed in a plurality and distributed in an annular array with respect to a central axis of the cover 1, and the snap ring 19 is in a ring shape. Wherein, the buckle 18 may have a certain elasticity for easy installation.

Referring to fig. 3, the cover 1 may be placed on the stator 2 in advance, and then the cover 1 is pressed to move the clip 18 below the clip ring 19 and clip on the clip ring 19. With the engagement of the snap 18 and the snap ring 19, the range of movement of the cover 1 in the axial direction with respect to the stator 2 is limited, thereby avoiding a situation in which the cover 1 is separated from the stator 2 during normal use.

When rotating lid 1, in order to avoid the condition that appears skidding, can be provided with anti-skidding structure on the lateral surface of lid 1, specifically, anti-skidding structure can adopt anti-skidding tooth.

In the present embodiment, the stator 2 is internally provided with a housing cavity 20, wherein the rotor 3 is rotatably disposed in the housing cavity 20, and the inner ratchet ring 10 is disposed above the housing cavity 20.

In order to prevent the rotor 3 from slipping out of the top of the seating chamber 20, in the present embodiment, the diameter of the addendum circle of the inner ratchet ring 10 is smaller than the outer diameter of the rotor 3, thereby limiting the moving space of the rotor 3.

As shown in fig. 10, in the present embodiment, the stator 2 may include a middle seat 21 and a base 22, wherein the base 22 may be fixed on a shoe, a backpack, or the like by means of bonding or stitching.

The middle seat 21 and the base 22 are detachably connected. Specifically, the outer side wall of the bottom of the middle seat 21 may be provided with a plurality of clamping pins 23, and the base 22 may be provided with clamping holes 24 that are clamped with the clamping pins 23, wherein the clamping holes 24 correspond to the clamping holes 24 one to one.

The installation cavity 20 is located in the middle seat 21, wherein an inlet communicated with the installation cavity 20 may be provided on a bottom surface of the middle seat 21. The rotor 3 can be inserted into the housing chamber 20 through the inlet, and then the base 22 is connected to the center seat 21, thereby sealing the inlet.

As shown in fig. 5 and 8, in order to install the rope belt, the middle seat 21 may be provided with a rope passing hole 25, and the rotor 3 may be provided with a rope inlet hole 26 corresponding to the rope passing hole 25. Specifically, two rope threading holes 25 may be provided, and the rope inlet hole 26 is provided in the rope groove 27 of the rotor 3.

When the rope belt is installed, the end part of the rope belt penetrates into the rotor 3 through the rope penetrating hole 25 and the rope inlet hole 26 in sequence, the end part of the rope belt stretches out of the opening at the bottom of the rotor 3, and then the end part of the rope belt is knotted to be thickened and cannot slide out of the rope inlet hole 26.

When the cover 1 is rotated, the rotor 3 rotates relative to the stator 2, and the rope is wound or separated from the rope groove 27 on the outer side wall of the rotor 3, so that the rope is tightened or loosened.

In this embodiment, an article with a rope belt retracting device is also provided, which comprises the rope belt retracting device.

Specifically, the strap adjusting device can be applied to articles such as shoes, clothes, backpacks or medical protectors.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention.

In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A rope belt winding and unwinding device is characterized by comprising a cover body, a stator and a rotor for winding a rope belt;

2. The apparatus for retracting and releasing a strap of claim 1, wherein the rotation limiting member is of an axisymmetric structure, wherein the first elastic arm and the second elastic arm are symmetrically disposed about an axis of symmetry of the rotation limiting member.

3. The rope reel of claim 1, wherein the rotation limiter is removably connected to the rotor.

4. The rope belt retracting device according to claim 3, wherein a first clamping groove is formed in the top of the rotation limiting piece, and a first clamping block clamped with the first clamping groove is arranged on the rotor.

5. The rope belt retracting device according to claim 3, wherein a second clamping groove is formed in the bottom of the rotation limiting piece, and a second clamping block clamped with the second clamping groove is arranged on the rotor.

6. The rope belt retracting device according to claim 1, wherein a buckle is arranged on the cover body, and a snap ring clamped with the buckle is arranged on the outer wall of the top of the stator.

7. The rope belt retracting and releasing device according to claim 1, wherein a mounting cavity is formed inside the stator, and the rotor is rotatably arranged in the mounting cavity;

the inner ratchet ring is arranged above the placing cavity.

8. The apparatus for retracting and releasing a rope belt according to claim 7, wherein the diameter of the addendum circle of the inner ratchet ring is smaller than the outer diameter of the rotor.

9. The rope belt retracting device according to claim 1, wherein anti-slip teeth are arranged on the outer side surface of the cover body.

10. An article of manufacture having a cord retracting device, comprising the cord retracting device of any one of claims 1-9.