KR101874925B1 - String winding apparatus, and shoes and clothes using the same - Google Patents

Abstract

The present invention discloses a string winding apparatus that is simple in construction and easy to maintain.
A string winding device according to the present invention comprises a base unit, a middle unit coupled to the base unit, a first wing portion and a second wing portion disposed between the base unit and the middle unit and having a first engagement portion, And a cover unit coupled to the middle unit and having a second engaging part engaged with or disengaged from the first engaging part, wherein the cover unit includes a first wing part and a second wing part, A first reverse rotation front portion and a second reverse rotation front portion, and a first end in which the engagement portion and the corresponding engagement portion are disposed; And a second end provided between the first wing portion and the second wing portion and provided with a space through which the string is wound.

Description

The present invention relates to a string winding apparatus, and more particularly,

The present invention relates to a string winding apparatus that is simple in construction and easy to maintain.

In general, shoes, bags, backpacks, clothes and the like are provided with tightening / unfastening means using strings or the like. For example, in the case of a shoe, the string is mounted so as to be connected in a zigzag fashion, and by pulling such a string, the shoe can be brought into close contact with the user's foot.

However, since it is very cumbersome to loosen or tighten the string every time you take off your shoes, it is common to wear the shoes without tightening the strings to prevent them from coming into close contact with your feet. In this case, when the shoe is completely brought into close contact with the user's foot for exercise or the like, the string is pulled again and then loosened again to loosen the string. In addition, there is a disadvantage that when the string is loosened during walking or during exercise, the string is bound again.

Further, although it is necessary to reduce the total height of the string winding device to improve the utilization, there is a problem in that it can not sufficiently cope with this.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a string winding device which is simple in construction and easy to maintain. However, these problems are exemplary and do not limit the scope of the present invention.

It is still another object of the present invention to provide a string winding apparatus which can increase the utilization of a product by making it possible to use not only a bag or a backpack but also a correction underwear by reducing the height.

In order to achieve the above object, according to the present invention, A middle unit coupled to the base unit; A first wing portion and a second wing portion are provided, and a space is provided between the first wing portion and the second wing portion, and a string is provided between the base unit and the middle unit, A rotating unit wound around the rotating unit; And a cover unit coupled to the middle unit and having a second engagement portion coupled to or released from the first engagement portion,

A first end provided between a top surface of the cover unit and a bottom surface of the cover unit and having a first reverse rotation front portion and a second reverse rotation front portion, and a locking portion and a corresponding locking portion; And a second end provided between the first wing portion and the second wing portion and provided with the space through which the string is wound.

Preferably, the latching portion is formed of an elastic body, and two pairs of the latching portions are disposed in parallel and disposed in the middle unit or the cover unit.

It is preferable that the retaining portion is disposed in a triangular shape when viewed from the top.

Preferably, the corresponding latching portion is formed in a disk shape extending in the radial direction on the central axis provided in the cover unit.

Preferably, the corresponding latching portion is provided on a side surface of the cover unit and is formed toward an outer peripheral side of the middle unit.

Preferably, the corresponding latching portion is provided in the middle unit, and the latching portion is provided in the cover unit.

Preferably, the latching portion includes an upper latching portion and a lower latching portion disposed at a lower portion of the upper latching portion with a predetermined gap therebetween.

The present invention relates to a base unit, A cover unit rotatably coupled to the base unit and having a first wing portion and a second wing portion, wherein a space is provided between the first wing portion and the second wing portion so that a string is wound; / RTI >

A first reverse rotation front portion and a second reverse rotation front portion are provided between an upper surface of the cover unit and the second wing portion provided on the cover unit, a first end provided with the engagement portion and the space portion in which the string is wound, The present invention provides a string winding device comprising:

Preferably, the corresponding latching portion is provided in the base unit, and the latching portion is provided in the cover unit.

Preferably, the corresponding latching portion is provided in the first wing portion, and the latching portion is provided in the base unit.

The present invention relates to a base unit, A cover unit coupled to the base unit and provided with a space through which the string is wound; An elastic member for engaging with the base unit and preventing reverse rotation; / RTI >

The elastic members for preventing the engagement and the reverse rotation provide a string winding device for preventing reverse rotation of the cover unit by the interaction with the cover unit or for releasing the engaged state or the engagement state of the base unit and the cover unit .

The present invention relates to a base unit, A cover unit coupled to the base unit and provided with a space through which the string is wound; An elastic member for engaging with the base unit and preventing reverse rotation; / RTI >

Wherein the base unit is provided with a fitting portion in which the engaging and anti-reverse rotation elastic member is inserted, the elastic member for engaging and reversing rotation includes at least one engaging portion and a first reverse rotation preventing portion, The unit is provided with a corresponding latching portion corresponding to the latching portion, and a second reverse rotation preventing portion engaged or disengaged from the first reverse rotation front portion is provided.

Preferably, the latching portion is round-shaped bent and disposed inside the base unit, and the first reverse rotation preventing portion is protruded between the latching portions and protruded outward from the base unit.

Wherein the cover unit has a first wing portion and a second wing portion extending radially and a space is provided between the first wing portion and the second wing portion to wind the string, It is preferable to provide it to the part.

Preferably, the second reverse rotation prevention portion has a gear tooth shape that is inclined along the inner peripheral surface of the cover unit, and the first reverse rotation prevention portion is fitted between the gear teeth.

Preferably, the fitting portion is formed as a long hole along the circumferential direction of the base unit, and the long holes are disposed at intervals.

The present invention relates to a base unit, A cover unit coupled to the base unit and provided with a space through which the string is wound; A latch unit coupled to the base unit; A first reciprocating member coupled to the base unit; / RTI >

The base unit is provided with a first fitting portion to which the engagement portion is fitted, a second fitting portion to which the first rotation prevention portion is fitted,

And the first reverse rotation preventing portion is formed by bending a plate-like elastic body and the distal end portion is protruded to the outside of the base unit, Wherein the cover unit is provided with a corresponding latching portion corresponding to the latching portion and a second reverse rotation preventing portion that is engaged with or released from the first reverse rotation front portion.

The cover unit has a first wing portion and a second wing portion extending radially, and a space is provided between the first wing portion and the second wing portion to wind the string,

Preferably, the corresponding latching portion is provided on the first wing portion or the second wing portion.

Preferably, the second reverse rotation prevention portion has a gear tooth shape that is inclined along the inner peripheral surface of the cover unit, and the first reverse rotation prevention portion is fitted between the gear teeth.

Preferably, the first fitting portion is formed as a slot along the circumferential direction of the base unit, the slots are disposed at an interval, and the second fitting portion is provided between the first fitting portion and the cover unit.

The present invention relates to a base unit, A cover unit coupled to the base unit and provided with a space through which the string is wound; A latch unit coupled to the base unit; A first reciprocating member coupled to the cover unit; / RTI >

Wherein the base unit is provided with a fitting portion in which the engaging portion is fitted, and a second reverse rotation preventing portion engaged with or disengaged from the first reverse rotation front portion is provided,

Wherein the engaging portion comprises at least one or more than one engaging portion, and the linear member made of an elastic body is bent to form a round and disposed inside the base unit,

Wherein the first reverse rotation preventing portion is formed by bending an elastic body and has a distal end portion disposed toward the inner side surface of the base unit,

The cover unit is provided with an engaging groove portion to which the first anti-rotation member is engaged, and a corresponding engaging portion corresponding to the engaging portion is provided.

The engaging groove portion provided in the cover unit may be formed as a groove having an opening toward the base unit on the bottom surface of the cover unit.

It is preferable that the first anti-rotation member is made of a plate-shaped elastic body, and both ends are bent and disposed in opposite directions.

Preferably, the second reverse rotation prevention portion has a continuous gear tooth shape along the inner circumferential surface of the base unit, and the gear teeth are inclined to be hung on an end of the first reverse rotation prevention portion to move the cover unit in one direction.

The present invention relates to a base unit including a base plate and a lower housing coupled to the base plate; A rotating unit disposed inside the lower housing and wound with a string; A first reciprocating member coupled to the lower housing and formed of an elastic body; An engaging portion coupled to the upper housing and formed of a linear elastic body; A cover unit disposed above the rotating unit; A shaft coupling the base unit, the rotation unit, and the cover unit; The string winding apparatus according to claim 1,

Wherein the rotating unit has a first wing portion and a second wing portion extending radially and a space is provided between the first wing portion and the second wing portion to wind the string,

A corresponding latching portion corresponding to the latching portion and for moving the cover unit in the direction of the base plate or in the opposite direction may be provided in the first wing portion or the second wing portion.

Preferably, the second reverse rotation prevention portion has a gear tooth shape that is inclined along the inner circumferential surface of the cover unit, and the distal end portion of the first reverse rotation prevention portion is sandwiched between the gear teeth.

The embodiment of the present invention as described above can realize a string winding and unwinding apparatus which is simple in construction and easy to maintain. Of course, the scope of the present invention is not limited by these effects.

In addition, the present invention can simplify the configuration and reduce the height, thereby making it possible to use not only a bag or a backpack but also a correction undergarment, thereby improving the utilization of the product.

FIG. 1 is a view showing the overall outline of a string winding device for explaining a first embodiment of the present invention. FIG.
2 is a cross-sectional view taken along line II-II of FIG.
FIG. 3 is a plan view of a portion taken along the line A-A 'of FIG. 2 to explain the first embodiment of the present invention.
Fig. 4 is another example of Fig.
5 is a view showing a state in which the cover unit is drawn out from the middle unit to explain the operation process of the first embodiment of the present invention.
6 is a cross-sectional view for explaining another example of the first embodiment of the present invention.
7 is a cross-sectional view for explaining a second embodiment of the present invention.
FIG. 8 is a view for explaining the operation process of FIG. 7. FIG.
9 is a sectional view for explaining a third embodiment of the present invention.
FIG. 10 is a view for explaining the operation process of FIG.
11 is a cross-sectional view for explaining a fourth embodiment of the present invention.
12 is a diagram for explaining the operation process of FIG.
13 is a cross-sectional view for explaining a fifth embodiment of the present invention.
FIG. 14 is a view for explaining the operation process of FIG. 13. FIG.
15 is a cross-sectional view for explaining a sixth embodiment of the present invention.
FIG. 16 is a view for explaining the operation process of FIG. 15. FIG.
17 is a perspective view showing a string winding apparatus for explaining a seventh embodiment of the present invention.
Figs. 18 and 19 are exploded perspective views showing the main part of Fig. 17 in an exploded manner.
20 is a cross-sectional view taken along the longitudinal direction of Fig.
21 is a bottom perspective view showing the main part of Fig.
22 is a perspective view showing a string winding apparatus for explaining an eighth embodiment of the present invention.
23 is an exploded perspective view of FIG.
Fig. 24 is a bottom perspective view showing the main part of Fig. 23. Fig.
Fig. 25 is a cross-sectional view of the string winding device of Fig. 22 taken along the longitudinal direction. Fig.
26 is a perspective view showing a string winding apparatus for explaining a ninth embodiment of the present invention.
Fig. 27 is an exploded perspective view showing the string winding device shown in Fig. 26 in an exploded manner. Fig.
28 is a bottom perspective view showing the main part of Fig.
Fig. 29 is a cross-sectional view of the string winding device shown in Fig. 26 cut in the longitudinal direction. Fig.
30 is a cross-sectional view of a string winding apparatus for explaining a tenth embodiment of the present invention.
31 is an exploded perspective view of the string winding device shown in Fig.
32 is a bottom perspective view showing the main part of Fig.
Fig. 33 is a cross-sectional view of the string winding device shown in Fig. 30 cut in the longitudinal direction. Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

In the following embodiments, the x-axis, the y-axis, and the z-axis are not limited to three axes on the orthogonal coordinate system, and can be interpreted in a broad sense including the three axes. For example, the x-axis, y-axis, and z-axis may be orthogonal to each other, but may refer to different directions that are not orthogonal to each other.

On the other hand, when various elements such as layers, films, regions, plates and the like are referred to as being "on " another element, not only is it directly on another element, .

FIG. 1 is a perspective view for explaining a first embodiment of the present invention, and FIG. 2 is a sectional view taken along line II-II of FIG. 1, showing a string winding apparatus.

The string winding apparatus of the present invention includes a base unit 100, a middle unit 200 coupled to the base unit 100, a rotation unit 300 disposed in the base unit 100 or the middle unit 200 to be rotatable with respect to the base unit 100, (300), and a cover unit (400) rotatably coupled to the middle unit (200).

The base unit 100 has, for example, a base plate 110 having a plate shape such as an original plate and a cylindrical lower housing 120. Of course, the shape of the base plate 110 is not limited to the circular plate, and it may have a plate shape of various shapes. Here, the cylinder shape can be understood as a shape similar to a hollow cylinder. The lower housing 120 may be positioned on the upper surface (+ z direction) of the base plate 110. The base plate 110 and the lower housing 120 may be integrally formed of resin or the like.

The lower housing 120 has a second side through hole 122. Of course, the lower housing 120 may also have a first side through hole 121 as shown in FIG. 2, if necessary. In this case, the first side through hole 121 may be positioned closer to the base plate 110 than the second side through hole 122. Although the lower housing 120 has two first side through holes 121 and two second side through holes 122 so as to face each other, it is only an example, Each of the side through holes 121 and the second side through holes 122 can function as long as at least one is provided. 2, the first side through holes 121 are located on the straight line in the y-axis direction and the second side through holes 122 are also located on the straight line in the y-axis direction. However, this is an example, Lt; / RTI > 2, the first through-hole 121 and the second through-hole 122 are vertically aligned. However, the first embodiment of the present invention is not limited thereto. For example, the first side through holes 121 may be located on a line substantially in the y-axis direction, as shown in Fig. 2, and the second side through holes 122 may be located on a line substantially in the x-axis direction .

The through holes 111 having a central axis in the z-axis direction may be formed on the outer portion of the lower housing 120 of the base plate 110 of the base unit 100. When the string winding device according to the first embodiment of the present invention is mounted on a shoe or the like, the through holes 111 may pass through fasteners for fixing the base plate 110 to shoes or the like.

2, the base unit 100 may further include a rotation support portion 130 protruding from the inner surface of the lower housing 120 toward the center of the lower housing 120. A rotation support protrusion 132 protruding in the upper (+ z) direction may be formed on the upper surface of the rotation support part 130. The rotation support portion 130 and the rotation support protrusion 132 can support the rotation unit 300 so that rotation is smooth when the rotation unit 300 rotates with respect to the base unit 100.

The middle unit 200 has a cylindrical upper housing 210. The cylindrical upper housing 210, which can be understood as a hollow cylindrical shape, can be coupled to the lower housing 120 of the base unit 100.

The middle unit 200 may also include a partition 240 as required.

The first anti-rotation part 250 may be positioned at one side of the upper housing 210 in the -y direction or the rotation center direction of the string winding device.

The first anti-rotation member 250 may be formed of a continuous protrusion having a saw-tooth shape, and one side of the protrusion may be a sloped surface so that the protrusion can rotate only in one direction.

The upper housing 210, the partition 240, and the first anti-rotation member 250 may be integrally formed of resin or the like.

The rotating unit 300 is located inside the lower housing 120 of the base unit 100 and can be rotatably disposed with respect to the base unit 100. Here, the rotation unit 300 is positioned inside the lower housing 120, meaning that at least a part of the rotation unit 300 is located inside the lower housing 120, and a part of the rotation unit 300 is located in the lower housing 120 Or may be located in the upper housing 210 at the upper part.

The rotation unit 300 has the first engagement portion 310 on the upper surface in the + z direction. Although the first engaging portion 310 is shown as a concave groove shape, it may be a convexly protruding shape or the like. When the first engaging portion 310 is engaged with the second engaging portion 450 of the cover unit 400 described later, the rotation unit 300 can be rotated together with the cover unit 400. [ In order to prevent the rotation unit 300 and the cover unit 400 from being idle with respect to each other in spite of the mutual engagement of the first engaging portion 310 and the second engaging portion 450, The shape of the second engaging portion 310 and the second engaging portion 450 may be various shapes such as polygonal, elliptical or asymmetrically distorted circle. The first engaging portion 310 and the second engaging portion 450 have a shape in the xy plane such that at least one or more fins and pin holes correspond to each other, And the cover unit 400 can be coupled to each other.

The rotation unit 300 may include a first wing portion 321 and a second wing portion 322. The first wing portion 321 and the second wing portion 322 may be spaced apart from each other with a space between the first wing portion 321 and the second wing portion 322.

In the space between the first wing portion 321 and the second wing portion 322, the string can be wound by the rotation of the rotation unit 300. That is, the first wing portion 321 and the second wing portion 322 form a space in which the string wound when the string is wound according to the rotation direction of the rotation unit 300 is located.

On the other hand, the rotation unit 300 is positioned below the second wing portion 322 (closer to the -z direction) than the second wing portion 322, And a third wing portion 323 protruding in the direction of the second wing portion 323. The bottom surface of the third wing portion 323 is flat so that a portion of the bottom surface of the third wing portion 323 is in contact with the upper surface of the base plate 110 of the base unit 110 in the (+ z direction) Lt; / RTI > Therefore, the rotation unit 300 can be stably rotated with respect to the base plate 110.

The rotation unit 300 may have a first through hole 331 positioned below the (-z direction) of the second wing portion 322 and penetrating the rotation unit 300. The first through holes 331 may correspond to the first side through holes 121 of the base unit 100. The reason that the first through hole 331 corresponds to the first side through holes 121 is that the height of the first through hole 331 from the base plate 110 and the height of the first side through hole 331 from the base plate 110, (121) are approximately equal in height.

The rotation unit 300 may have a second through hole 332 passing through the rotation unit 300 in a space between the first wing portion 321 and the second wing portion 322. The second through holes 332 may correspond to the second side through holes 122 of the base unit 100. The reason that the second through holes 332 correspond to the second side through holes 122 is that the height of the second through holes 332 from the base plate 110 and the height of the second side through holes 332 from the base plate 110, (122) are approximately equal in height.

A string (not shown) provided on the shoe or the undergarment passes through one of the second side through holes 122 of the base unit 100 and passes through the second through hole 332 of the rotation unit 300, And can pass through the other of the two side through holes 122. In another example of the first embodiment of the present invention, the string may be fixed inside the base unit 110 after passing through the second through-hole 332 of the rotation unit 300. [ Thus, when the rotary unit 300 is engaged with the cover unit 400 and rotated in one direction, the string is wound around the rotary unit 300. Specifically, the string is wound in a space provided between the first wing portion 321 and the second wing portion 322 of the rotation unit 300. Thus, a string such as a shoe or an undergarment can be wound around the rotation unit 300. At this time, the first reverse-rotation front support portion 250 and the second reverse rotation front support portion 460, which are provided with the cover unit 400 and the middle unit 200, respectively, can be coupled to each other. The first reversing front portion 250 and the second reversing front portion 460 can be rotated in one direction and are fixed to each other when the rotation stops. That is, the second reversing front portion 460 may be formed of a protruding portion and may be configured to rotate only in one direction with respect to the first reversing front portion 250.

Of course, when the rotary unit 300 is separated from the cover unit 400 in this state, the first reverse rotation front portion 250 and the second reverse rotation front portion 460 may be separated from each other and released from the wound state. At this time, the rotating unit 300 can be rotated in both directions, whereby the string that has been wound around the rotating unit 300 can be unwound from the outer circumferential surface of the rotating unit 300.

Of course, the present invention is not limited thereto, and the rotation unit 300 may not have the second through hole 332. [ In this case, one end of a string such as a shoe or an undergarment passes through one of the second side through holes 122 of the base unit 100 and is fixed to the rotation unit 300, and the other end of the string, Through the other of the second side through holes 122 of the unit 100 and fixed to the rotation unit 300. In this case, for fixing the one end and the other end of the string, the rotation unit 300 may have at least one fixing protrusion for fixing the string.

It is preferable that the rotation unit 300 can rotate relative to the base unit 100 when it rotates to increase the rotation stability of the rotation unit 300. [ The rotation support portion 130 and the rotation support protrusion 132 of the base unit 100 may interact with the second wing portion 322 of the rotation unit 300. [ The rotation unit 300 has a rotation protrusion 322a protruding downward (-z direction) to the radial end of the second wing portion 322 and a downward rotation (-z direction) of the second wing 322, The portion of the surface of the rotary unit 300 adjacent to the rotary projection 322a comes into contact with the rotary support projection 132 of the base unit 100 or comes into contact with the rotary support projection 132 so that when the rotary unit 300 rotates, The position of the rotation center shaft of the base unit 300 can be made constant without moving relatively with respect to the base unit 100.

The rotation unit 300 may be made of a synthetic resin material, a metal material, or the like.

The cover unit 400 may be coupled to the middle unit 200 so as to be rotatable with respect to the middle unit 200. Of course, when the cover unit 400 is engaged with the rotation unit 300 as described above, the cover unit 400 can rotate in one direction together with the rotation unit 300. [

The cover unit 400 has a corresponding engagement portion 410 protruding in a radial direction. The corresponding latching portion 410 may be fitted between the upper latching portion 270a and the lower latching portion 270b provided on the middle unit 200 or may be disposed outside (upper side) of the upper latching portion 270a. The distance from the base unit 100 can be varied so that the cover unit 400 can be engaged with the rotation unit 300 or can be separated from the rotation unit 300. [

Specifically, the engaging portion 410 is located in the first space between the upper engaging portion 270a and the lower engaging portion 270b, or the second engaging portion 410 is located outside the upper engaging portion 270a (upper side in FIG. 2) 5), the distance from the base unit 100 to the cover unit 400 can be varied. The cover unit 400 can be rotated in one direction together with the rotation unit 300 by engaging with the rotation unit 300 and the corresponding engagement unit 410 can be rotated When the cover unit 400 is separated from the rotation unit 300, the first reverse rotation front portion 250 and the second reverse rotation front portion 460 may be separated from each other when the cover unit 400 is positioned in the second space. Therefore, the rotation unit 300 can be rotated in one direction or in the opposite direction, regardless of the movement of the cover unit 400.

The cover unit 400 has a second engaging portion 450 in the -z direction in the middle portion thereof. The second engaging part 450 may have a concave groove shape or may be deformed to correspond to the shape of the first engaging part 310 of the rotation unit 300. [ When the second engaging portion 450 is engaged with the first engaging portion 310 of the rotation unit 300 described above, the rotation unit 300 can be rotated together with the cover unit 400. In order to prevent the rotation unit 300 and the cover unit 400 from being idle with respect to each other in spite of the mutual engagement of the first engaging portion 310 and the second engaging portion 450, Sectional shape of the second engaging portion 310 and the second engaging portion 450 in the xy plane may have various shapes such as a polygonal shape, an elliptical shape or an asymmetrically distorted circle, and may have a structure of a pin and a pin hole.

On the other hand, the cover unit 400 has a central axis 430. And the engaging portion 410 may be formed in a flange shape extending in the radial direction from the central shaft 430. The cover plate 420 may be positioned above the center axis 430 in the + z direction.

The side plate 440, which can be understood as the portion where the edge of the cover plate 420 is bent approximately 90 degrees, can be formed as the cover unit 400, when coupled to the middle unit 200, It is possible to cover at least a part of the outer peripheral portion of the middle unit 200. In FIG. 2, the side plate 440 covers most of the outer circumferential surface of the upper housing 210 of the middle unit 200.

The various components of the cover unit 400 may be integrally formed of a synthetic resin material, a metal material, or the like. Of course, some of the components of the cover unit 400 may be separate components separated from the central shaft 430 or the like and coupled to the central shaft 430 or the like. In this case, some of such components may be made of synthetic resin, .

In the case of the string winding apparatus according to the first embodiment of the present invention, when the corresponding latching portion 410 is located in the first space between the upper latching portion 270a and the lower latching portion 270b, 400 can be rotated together with the rotation unit 300 in one direction by engaging with the rotation unit 300 so that the string can be wound on the outer circumferential surface of the rotation unit 300.

5) when the cover unit 400 is separated from the rotation unit 300 and the rotation unit 300 is rotated in a direction in which the cover unit 400 is separated from the rotation unit 300 when the corresponding engagement portion 410 is located in the second space above the upper engagement portion 270a Regardless of the movement of the cover unit 400, in the other direction opposite to the one direction, that is, in the unwinding direction. Therefore, the string wound on the outer peripheral surface of the rotary unit 300 can be pulled out. That is, the string can be wound or unwound according to the relative position of the corresponding engagement portion 410 of the cover unit 400 and the middle unit 200.

In the case of the string winding device according to the first embodiment of the present invention, when the upper latching portion 270a or the lower latching portion 270b of the middle unit 200 is damaged, the base unit 100, the rotation unit 300 ), And the cover unit 400 remains unchanged, only the middle unit 200 can be replaced. The first embodiment of the present invention has an advantage that maintenance can be performed quickly and easily. In addition, in the case of the winding device according to the first embodiment of the present invention, it is possible to replace a screw-fitted part simply by using a special technique or a specific tool for maintenance, It has the advantage that users can easily maintain and use them directly.

The first embodiment of the string winding device of the present invention will be described in more detail as follows.

According to the first embodiment (the first embodiment of the two-stage configuration) of the present invention shown in Figs. 1 to 5, the entire apparatus can have a two-stage configuration and its height can be reduced.

More specifically, the engaging portion 270 and the engaging portion 410 between the cover unit 400 and the middle unit 200, the first reversing front portion 250 and the second reversing front portion 460, Both the first engaging portion 310 and the second engaging portion 450 between the cover unit 400 and the rotation unit 300 are included in the first stage I. The first wing portion 321 and the second wing portion 322 of the rotation unit 300 capable of winding the string are included in the second stage II. As a result, the overall height (or thickness) of the string winding apparatus shown in Fig. 2 can be relatively lowered compared to the conventional one. Lowering the height of the string winding device as described above can be used not only as a strap tightening means for sneakers but also as a strap tightening means such as undergarments. Particularly, when the embodiment of the present invention is applied to the undergarment, it is possible to improve the feeling of fit and minimize the protrusion to the outside, thereby improving the dressing of the clothes.

Hereinafter, each configuration will be described in more detail. The first reverse rotation front portion 250 of the middle unit 200 in the first reverse rotation front portion 250 and the second reverse rotation front portion 460 is formed on the upper housing 210 extending upward from the partition wall 240 As shown in FIG. The first reverse rotation preventing portion 250 is positioned on the upper housing 210 and is connected to the first stage I which is the same zone as the engaging portion 270 and the corresponding engaging portion 410. In this case, Lt; / RTI >

The corresponding latching portion 410 is in the form of a disk or a flange extending radially from the central axis 430. The corresponding latching part 410 performs a mutual grasping operation with the latching part 270 of the middle unit 200 so that the cover unit 400 can relatively move in the + z or -z direction with respect to the middle unit 200 have.

The fastening part 270 of the middle unit 200 may be formed of wire springs, elastic fingers or the like. That is, as the upper and lower fastening portions 270a and 270b forming the fastening portion 270, a wire-shaped linear spring or an elastic fracture can be used.

3 is a partial cross-sectional view taken along line AA 'of FIG. 2 and viewed from a plane side. FIG. 3 shows a state in which the upper latching portion 270a of the latching portion 270 is engaged with the mounting projection 260 of the middle unit 200 . That is, the upper latching part 270a of the latching part 270 may be installed in two rows separated by a predetermined distance when viewed on the xy plane by the mounting protrusion 260 separately formed inside the middle unit 200. The lower latching portion 270b of the latching portion 270 is not shown in the figure but is coupled to the mounting protrusion 260 in the same manner as the upper latching portion 270a at the lower portion of the upper latching portion 270a .

4 is a view showing another example of the state where the upper latching part 270a of the latching part 270 of FIG. 3 is coupled to the mounting projection 260 of the middle unit 200, The upper latching part 270a may be installed on the mounting protrusion 260 of the middle unit 200 in a substantially triangular shape. The example shown in FIG. 4 shows that the mounting form of the upper latching part 270a of the latching part 270 of FIG. 3 can be varied.

Another example in which the engaging portion 270 including the upper engaging portion 270a and the lower engaging portion 270b is coupled to the mounting protrusion 260 of the middle unit 200, Or may be installed in various forms such as a polygonal, curved or curved line in plan view. As described above, by using the elastic part 270 formed of a linear spring or an elastic flexor, the engagement and disengagement can be made more smooth and the durability can be improved.

According to another example of the present invention, the latching part 270 may be formed of a protrusion protruding from the side surface of the middle unit 200 to the center instead of being made of a line spring or an elastic flexure. Such an example has the advantage that the protruding portion serving as the latching portion 270 can be molded at the same time when the middle unit 200 is molded, thereby reducing the number of parts and reducing the production cost.

The latching part 270 is disposed so that the upper latching part 270a and the elastic lower latching part 270b are spaced apart from each other in the + z direction, as described above.

The corresponding latching portion 410 may be disposed between the upper latching portion 270a and the lower latching portion 270b (see FIG. 2) and disposed on the upper side (upper side) of the upper latching portion 270a ). The distance from the base unit 100 can be changed according to the arrangement position of the corresponding engagement portion 410 so that the cover unit 400 can be engaged with the rotation unit 300 or disengaged from the rotation unit 300 have.

2, when the corresponding engaging portion 410 is positioned between the upper engaging portion 270a and the lower engaging portion 270b, the first engaging portion 310 of the rotating unit 300 and the lower engaging portion 270b of the rotating unit 300, The second engaging portions 450 of the engaging portion 400 are engaged with each other. At the same time, the first reversing front portion 250 of the middle unit 200 and the second reversing front portion 460 of the cover unit 400 are also engaged with each other.

As a result, when the user rotates the cover unit 400, the string can be wound while rotating the rotation unit 300 in engagement with the cover unit. At this time, the cover unit 400 is prevented from being reversely rotated by the first reverse rotation front portion 250 and the second reverse rotation front portion 460, and the string wound around the rotation unit 300 is released again by a predetermined length Do not.

Next, as shown in FIG. 5, the user pulls the cover unit 400 upward (+ z direction) so that the corresponding latching portion 410 is disposed above the upper latching portion 270a. Then, the first engaging portion 310 and the second engaging portion 450 are released from each other, and the first reversing front portion 250 and the second reversing front portion 460 are released from each other.

A step 280 may be formed at the upper end of the mounting projection 260 of the middle unit 200 to prevent the corresponding latching part 410 from completely disengaging from the upper latching part 270a. When the engaging state of the cover unit 400 and the rotating unit 300 is released, the string wound on the rotating unit 300 can be naturally unwound by the self-restoring force of the string.

A second embodiment (a second embodiment of the two-stage configuration) of the present invention shown in Figs. 7 and 8 will be described as follows. In the description of the second embodiment of the present invention, the description is the same as the description of the above-mentioned example, and only the difference will be described.

The second embodiment of the present invention is characterized in that the engaging portion 270 and the engaging portion 410 disposed between the cover unit 400 and the middle unit 200 and the first reversing front portion 250 and the second reversing front portion 250, And a first engaging portion 310 and a second engaging portion 450 between the cover unit 400 and the rotation unit 300 are included in the first stage I. [

 The first wing portion 321 and the second wing portion 322 for winding the string of the rotation unit 300 are included in the second stage II. The second embodiment of the present invention can lower the overall height of the string winding device.

Hereinafter, each configuration will be described in more detail. The first reversing front portion 250 and the second reversing front portion 460 are disposed facing each other along the z direction.

That is, the first reverse rotation front portion 250 of the middle unit 200 is formed in the + z direction on the partition 240. And a second reverse rotation front portion 460 of the middle unit 200 is formed at a position corresponding to the first reverse rotation front portion 250. As a result, the first reverse-rotation front support portion 250 and the second reverse rotation front portion 460 formed on the partition 240 are engaged with the first stage I, which is the same area as the engagement portion 270 and the corresponding engagement portion 410, .

The engaging portion 270 and the engaging portion 410 are formed on the side surface with a separate protrusion protruding from the cover unit 400 toward the base unit 100. The corresponding engagement portion 410 performs a mutual grasping operation with the engagement portion 270 provided on the upper housing 210 of the middle unit 200 so that the cover unit 400 can move relative to the middle unit 200 Lt; / RTI > The locking unit 270 of the middle unit 200 may be formed of a wire-shaped linear spring or an elastic Fracture or the like, and may be fixedly installed to form two rows or triangles when viewed on the xy plane.

In addition, the latching part 270 may be disposed such that the upper latching part 270a and the lower latching part 270b are spaced apart from each other in the + z direction. The cover unit 400 is changed in distance from the base unit 100 to be engaged with the rotation unit 300 according to the relative positions of the upper locking part 270a and the lower locking part 270b, The engagement with the rotation unit 300 can be released.

7, when the corresponding engaging portion 410 is positioned below the lower engaging portion 270b, the first engaging portion 310 and the second engaging portion 450 are engaged with each other, and at the same time, The reverse rotation front portion 250 and the second reverse rotation front portion 460 are also coupled to each other. As a result, when the user rotates the cover unit 400, the string is wound while the rotation unit 300 is rotated. At this time, the cover unit 400 is prevented from being reversely rotated by the first reverse rotation front portion 250 and the second reverse rotation front portion 460. Therefore, the string wound between the first wing portion 321 and the second wing portion 322 of the rotation unit 300 is not released again.

Next, as shown in FIG. 8, the user pulls the cover unit 400 upward to position the corresponding latching portion 410 between the upper latching portion 270a and the lower latching portion 270b. Then, the first engaging portion 310 and the second engaging portion 450 are separated from each other, and the first reversing front portion 250 and the second reversing front portion 460 are also disengaged from each other. When the cover unit 400 and the rotation unit 300 are disengaged, the rotation of the rotation unit 300 is naturally wound by the self-restoring force of the string.

A third embodiment (a third embodiment of the two-stage configuration) of the present invention shown in Figs. 9 and 10 will be described as follows. In the description of the third embodiment of the present invention, only the parts that are the same as those in the above-described example will be referred to, and only different points will be described.

The third embodiment of the present invention is characterized in that the cover unit 400 and the middle unit 200 are provided with the engaging portion 270 and the corresponding engaging portion 410, the first reverse front portion 250 and the second reverse front portion 460 and a first engaging portion 310 and a second engaging portion configuration 450 between the cover unit 400 and the rotation unit 300 are included in the first stage I.

The first wing portion 321 and the second wing portion 322 for winding the string of the rotation unit 300 are included in the second stage II. As a result, the overall height of the string winding device can be reduced.

Compared with the above-described embodiments, the third embodiment of the present invention has the following differences. The engaging portion 270 is provided in the cover unit 400. [ And the corresponding latching portion 410 is provided to the middle unit 200. [ In the above-described embodiment, the latching portions 270 are arranged in pairs in the upward and downward directions. In the third embodiment of the present invention, however, one latching portion 270 is provided. The third embodiment of the present invention can realize a string winding apparatus with a simpler structure.

It is preferable that a step 480 is provided at the lower end of the side plate 440 of the cover unit 400 to prevent the corresponding latching part 410 from being completely released outwardly.

The corresponding locking part 410 performs a mutual grasping operation with the locking part 270 provided on the inner peripheral surface of the cover unit 400 so that the cover unit 400 can move relative to the middle unit 200 along the z direction have. The corresponding latching part 410 may be constituted by a line spring, an elastic fracture, or the like, and may be fixedly installed so as to form two rows or triangles when viewed on the xy plane.

In the third embodiment of the present invention, the first reverse rotation front branch part 250 and the second reverse rotation front branch part 460 may be arranged in the same manner as the second embodiment described above. That is, the first reverse rotation front portion 250 is provided in the + Z direction in the partition 240 of the middle unit 200. And the second reverse rotation front portion 460 is disposed corresponding to the first reverse rotation front portion 250. [

9, the first engaging part 310 and the second engaging part 450 are engaged with each other when the corresponding engaging part 410 is positioned above the engaging part 270. As shown in FIG. The first reversing front portion 250 and the second reversing front portion 460 are also engaged with each other.

As a result, when the user rotates the cover unit 400, the rotation unit 300 is engaged with the rotation of the cover unit 400 so that the string is wound around the first wing portion 321 and the second wing portion 322 of the rotation unit 300 do. At this time, the rotation of the cover unit 400 is restricted in the opposite direction by the interaction of the first reverse rotation front portion 250 and the second reverse rotation front portion 460. Therefore, the string wound around the rotary unit 300 by a predetermined length is not loosened again.

Next, as shown in FIG. 10, the user pulls the cover unit 400 upward to position the corresponding latching portion 410 below the latching portion 270. Then, the first engaging portion 310 and the second engaging portion 450 are separated from each other. Then, the first reversing front portion 250 and the second reversing front portion 460 are also disengaged from each other. When the cover unit 400 and the rotation unit 300 are disengaged, the rotation of the rotation unit 300 is naturally wound by the self-restoring force of the string.

A fourth embodiment of the present invention (a fourth embodiment of the two-stage structure) shown in Figs. 11 and 12 will be described in detail. In the description of the fourth embodiment of the present invention, the description is the same as the description of the above-mentioned example, and only the difference will be described.

The fourth embodiment of the present invention is characterized in that a locking part 270 and a corresponding locking part 410 are provided between the cover unit 400 and the middle unit 200 and the first reverse front part 250 and the second reverse front part 460 and a first engaging portion 310 and a second engaging portion 450 disposed between the cover unit 400 and the rotation unit 300 are included in the first stage I. The second stage (II) includes a first wing portion 321 and a second wing portion 322, which are portions for winding the string of the rotation unit 300. As a result, the string winding device of the fourth embodiment of the present invention can be lowered in height.

The latching portion 270 of the fourth embodiment of the present invention is provided in the cover unit 400. [ And the corresponding latching portion 410 is provided to the middle unit 200. [ The latching part 270 of the fourth embodiment of the present invention includes an upper latching part 270a and a lower latching part 270b. However, the latching portion 270 can be applied to the configuration of the upper latching portion 270a.

Also, the first reverse rotation front portion 250 is provided along the circumferential direction on the outer peripheral side of the middle unit 200. The second reverse rotation front portion 460 corresponding to the first reverse rotation front portion 250 is formed such that the circumferential portion of the cover unit 400 is bent toward the center side and contacts the first reverse rotation front portion 250. It is preferable that at least one of the first reversing front portion 250 and the second reversing front portion 460 is formed of a groove or a protrusion and is configured to be able to rotate in only one direction in contact with each other. The first reverse rotation front portion 250 and the second reverse rotation front portion 460 may have the same structure as the above-described example.

Since the first reverse rotation front portion 250 and the second reverse rotation prevention portion 460 are not required to have separate partition walls inside the middle unit 200 as in the above embodiments, So that the overall height of the body can be further reduced. In addition, the fourth embodiment of the present invention can reduce the overall height of the string winding device, as well as reduce the weight of the string winding device because the partition walls are omitted, thereby making it possible to manufacture the string winding device more compactly and reduce the manufacturing cost.

According to the fourth embodiment of the present invention configured as described above, the corresponding latching portion 410 can perform a mutual grasping operation with the latching portion 270 formed on the inner peripheral surface of the cover unit 400. [ Therefore, the cover unit 400 is rotatable relative to the middle unit 200.

The locking unit 270 of the middle unit 200 may be formed of a line spring, an elastic flexure, or the like, and may be fixed to form two rows or triangles when viewed on the xy plane, as described above.

11, the first engaging portion 310 and the second engaging portion 450 are engaged with each other when the corresponding engaging portion 410 is positioned above the upper engaging portion 270a. The first reversing front portion 250 and the second reversing front portion 460 are also engaged with each other.

As a result, when the user rotates the cover unit 400, the rotating unit 300 combined with the cover unit 400 can be rotated to wind the string. At this time, the first reverse rotation front portion 250 and the second reverse rotation front portion 460 prevent the cover unit 400 from rotating in the opposite direction. Therefore, the string wound in the space between the first wing portion 321 and the second wing portion 322 of the rotation unit 300 is not released again by a predetermined length.

Next, as shown in FIG. 12, the user pulls the cover unit 400 upward to position the corresponding latching portion 410 between the upper latching portion 270a and the lower latching portion 270b. Then, the first engaging part 310 and the second engaging part 450 are separated from each other. At the same time, the first reverse rotation front portion 250 and the second reverse rotation front portion 460 are disengaged from each other. When the cover unit 400 and the rotation unit 300 are disengaged, the rotation of the rotation unit 300 is naturally wound by the self-restoring force of the string.

A fifth embodiment of the present invention shown in Figs. 13 and 14 (a fifth embodiment of a one-stage configuration) will be described as follows. In the description of the fifth embodiment of the present invention, the same parts as those of the above-described example will be substituted for the description thereof, and only different points will be described.

The string winding device of the fifth embodiment of the present invention is characterized in that the string winding device of the fifth embodiment of the present invention includes a latching part 270 and a corresponding latching part 410, a first reverse rotation front part 250 and a second reverse rotation front part 460, The first wing portion 321 and the second wing portion 322 are included in the first stage I. As a result, the height can be much lower than the embodiments described above.

The greatest difference between the fifth embodiment of the present invention and the other embodiments described above is that the middle unit 200 and the base unit 100 of the above-described example are integrally formed and can be used as one base unit 100. The rotation unit 300 and the cover unit 400 described above are integrally formed and used as one cover unit 400.

As a result, in the fifth embodiment of the present invention, the first engaging portion and the second engaging portion, which are disposed between the cover unit 400 and the rotation unit 300 described above, are omitted, thereby further simplifying the configuration.

According to the fifth embodiment of the present invention, a first reverse front portion 250 and a second reverse front portion 250 are provided between the first wing portion 321 of the cover unit 400 and the upper inner surface of the base unit 100, A branch 460 is disposed.

That is, in the fifth embodiment of the present invention, the first reversing front portion 250 may be provided on the outer circumferential surface of the first wing portion 321. And the second reverse rotation front portion 460 may be provided on the inner circumferential surface of the base unit 100, which is a position corresponding to the first reverse rotation front portion 250.

As described above, according to the fifth embodiment of the present invention, the cover unit 400 includes a first wing portion 321, a second wing portion 322, a locking portion 270, a first reverse front portion 250 So that the height of the string winding device can be further lowered.

The string winding device of the fifth embodiment of the present invention will be described in more detail as follows. The corresponding engaging portion 410 of the base unit 100 performs a mutual grasping operation with the engaging portion 270 provided on the inner peripheral surface of the upper side plate 380 of the cover unit 400 so that the cover unit 400 is supported by the base unit 100 ). ≪ / RTI > And includes a step 480 which is bent in the center direction on the tip end of the side plate 380 of the cover unit 400 to prevent the corresponding latching part 410 from completely disengaging. In another example of the fifth embodiment of the present invention, unlike the case of Fig. 13, the corresponding latching portion may be formed in the cover unit 400, and the latching portion may be formed in the base unit 100. [

The latching portion 270 of the cover unit 400 of the fifth embodiment of the present invention may be formed of a wire spring-formed spring or an elastic fracture or the like. When viewed on the xy plane, Or triangular shape.

13, the first reversing front portion 250 and the second reversing front portion 460 are engaged with each other when the corresponding latching portion 410 is positioned above the latching portion 270. As shown in FIG. As a result, when the user rotates the cover unit 400, the string is wound between the first wing portion 321 and the second wing portion 322. At this time, the first reverse rotation front portion 250 and the second reverse rotation front portion 460 prevent the cover unit 400 from rotating in the reverse direction. Therefore, the string wound on the string winding device of the fifth embodiment of the present invention by a predetermined length is not loosened again.

Next, as shown in FIG. 14, the user pulls the cover unit 400 upward and positions the corresponding catching portion 410 below the catching portion 270. Then, the first reversing front portion 250 and the second reversing front portion 460 are detached from each other. When the engagement between the cover unit 400 and the base unit 100 is released, the string wound on the cover unit 400 is naturally wound by the self-restoring force of the string.

The sixth embodiment of the present invention shown in Figs. 15 and 16 (the sixth embodiment of the one-stage configuration) will be described as follows. In the description of the sixth embodiment of the present invention, only the parts that are the same as those in the above-described example will be referred to, and only different points will be described.

The string winding device of the sixth embodiment of the present invention is provided with the engagement portion 270 and the corresponding engagement portion 410, the first reverse front portion 250 and the second reverse front portion 460, The first portion I and the second wing portion 322 are included. As a result, the string winding apparatus of the sixth embodiment of the present invention can be much lower in height than the above-described embodiments. The sixth embodiment of the present invention can minimize the protrusion of the string winding device to the outside when applied to the winding of the string of the undergarment, thereby improving the wearing feeling and preventing the appearance of the outer appearance from being deteriorated .

The sixth embodiment of the present invention is characterized in that the corresponding engagement portion 410 is provided on the first wing portion 321 of the cover unit 400 and the second wing portion 322 of the cover unit 400 is provided on the first non- (250) is installed. However, the technical idea of the present invention is not limited to this, and contrary to the above case, the first anti-rotation part is provided on the first wing part 321 of the cover unit 400, It is also possible that a corresponding latching portion is provided on the latching portion 322.

Hereinafter, the configuration of the sixth embodiment of the present invention will be described in more detail. The corresponding engaging portion 410 formed on the first wing portion 321 of the cover unit 400 performs a mutual grasping operation with the engaging portion 270 of the base unit 100 so that the cover unit 400 is engaged with the base unit 100, As shown in Fig. It is also preferable to form the step 480 at the upper side of the side surface of the base unit 100 in order to prevent the corresponding latching part 410 from completely disengaging from the base unit 100.

On the other hand, as another example of the sixth embodiment of the present invention, as opposed to the case shown in Fig. 15, the corresponding latching portion may be provided in the cover unit 400, and the latching portion may be provided in the base unit 100. Fig.

The latching portion 270 of the base unit 100 may be formed of a wire-shaped line spring or an elastic Fracture or the like, and may have a two-column or triangular shape when viewed on an xy plane as in the above-described example.

As shown in FIG. 15, when the engaging portion 410 is positioned below the engaging portion 270, the first reverse-rotation front portion 250 and the second reverse rotation portion 460 are engaged with each other.

As a result, when the user rotates the cover unit 400, the string is wound between the first wing portion 321 and the second wing portion 322. At this time, the cover unit 400 is prevented from being reversely rotated by the first reverse rotation front portion 250 and the second reverse rotation prevention portion 460. Therefore, in the string winding device of the sixth embodiment of the present invention, the string wound up by a certain length is not loosened again.

16, when the cover unit 400 is pulled upward and the corresponding latching portion 410 is positioned above the latching portion 270, the first reverse-rotation front branch 250 and the second reverse- The coupled state of the branch 460 is released. When the cover unit 400 is disengaged from the base unit 100, the string wound between the first wing portion 321 and the second wing portion 322 of the cover unit 400 is restored to its own restoring force . ≪ / RTI >

FIG. 17 is a perspective view for explaining a seventh embodiment of the present invention, FIGS. 18 and 19 are exploded perspective views explaining the main part of FIG. 17, and FIG. 20 is a cross- , And a string winding device.

The seventh embodiment of the present invention is the same as the above description, and only the different points are described in place of the description thereof, and the components having the same functions are denoted by the same reference numerals as those described above.

The string winding apparatus of the seventh embodiment of the present invention includes a base unit 100, a cover unit 400, and an elastic member 500 for preventing engagement and rotation.

The base unit 100 is provided with a fitting portion 151 into which an elastic member 500 for preventing engagement and anti-rotation is fitted. The fitting portion 151 is formed as a long hole at an interval in the circumferential direction along the inner wall of the base unit 100. In the seventh embodiment of the present invention, one or more than two fitting portions 151 may be formed, and preferably three fitting portions 151 may be formed.

In the seventh embodiment of the present invention, the elastic member 500 for preventing the engagement and the reverse rotation serves as a latching portion in comparison with the above-described embodiments, and at the same time, can function as a reverse rotation preventing portion at the same time.

The elastic member 500 for preventing the engagement and the reverse rotation prevents the reverse rotation of the cover unit 400 by the interaction with the cover unit 400 or prevents the reverse rotation of the cover unit 400 when the base unit 100 and the cover unit 400 are engaged with each other Can be released. That is, the elastic member 500 for preventing the locking and reversing rotation can prevent the cover unit 400 from rotating in the reverse direction with one component, and at the same time, the cover unit 400 can be moved toward the base unit 100 side or vice versa So that the cover unit 400 can maintain a predetermined posture.

The elastic member 500 for preventing the engagement and the reverse rotation will be described separately for the sake of convenience in order to be distinguished from the above-mentioned components.

The elastic member 500 for locking and reversing rotation forms a locking part 270 and a first reverse rotation part 250 by bending a linear elastic body. For example, the elastic member 500 for locking and reversing rotation is formed by bending the engaging portion 270 in a round shape to form three engaging portions 270, and again bending the portions between the engaging portions 270 to be sharp 1 reverse front legs 250 are made.

The engaging portion 270 is disposed inside the base unit 100. In addition, the first reverse rotation front portion 250 protrudes outward from the base unit 100 and is disposed. In other words, the elastic member 500 for preventing the locking and reversing rotation is fitted in the fitting portion 151 made of the elongated hole provided in the base unit 100 so that the engaging portion 270 is disposed inside the base unit 100, The front support part 250 is disposed so as to protrude to the outside of the base unit 100 through the slot of the fitting part 151.

The cover unit 400 includes a first wing portion 321 and a second wing portion 322 that are wound on the string and extend radially. A space for accommodating the string is provided between the first wing portion 321 and the second wing portion 322.

The cover unit 400 is provided with a corresponding latching portion 410 corresponding to the latching portion 270 provided in the above-described latching and anti-reverse rotation elastic member 500. The first latching portion 321 may serve as the latching portion 410.

Further, the cover unit 400 may be provided with a second reverse rotation front portion 460 which is coupled to or released from the first reverse rotation portion 250.

The second reverse rotation front portion 460 is provided with a gear teeth inclined along the inner circumferential surface of the cover unit 400. That is, the first reverse rotation front support portion 250 is fitted between the gear teeth of the second reverse rotation front support portion 460 so that the cover unit 400 can rotate in one direction. Of course, when the first reverse rotation front support portion 250 and the second reverse rotation front support portion 460 are disengaged, the cover unit 400 can freely rotate.

Hereinafter, the operation of the string winding device of the seventh embodiment of the present invention will be described in detail.

First, a process of winding a string in a space between the first wing portion 321 and the second wing portion 322 provided in the cover unit 400 will be described. The user presses the cover unit 400 toward the base unit 100 (the state shown in Fig. 20). In the seventh embodiment of the present invention, the first wing portion 321 functions as a corresponding latching portion 41, and thus is positioned at the lower portion of the latching portion 270. In this state, the first reverse rotation front portion 250 and the second reverse rotation front portion 460 are coupled to each other, so that the cover unit 400 can rotate only in one direction.

At this time, the corresponding latching part 410 overcomes the elastic force of the latching part 270 and moves to the lower side of the latching part 270 (the state shown in Fig. 20)

In this state, when the user rotates the cover unit 400, the cover unit 400 is rotated in one direction, and the string is wound around the space between the first wing portion 321 and the second wing portion 322.

When the user pulls the cover unit 400 in the direction of the arrow in FIG. 20, the corresponding catching portion 410 overcomes the elastic force of the catching portion 270 and moves to the upper side of the catching portion 270. Then, the first reverse front portion 250 and the second reverse front portion 460 are detached from each other. This state is such that the cover unit 400 is freely rotatable. Of course, when the string is wound on the cover unit 400 so that the tension of the string acts, the cover unit 400 can rotate in the direction in which the tension of the string acts.

Fig. 22 is a perspective view of a string winding device for explaining an eighth embodiment of the present invention, Fig. 23 is an exploded perspective view of Fig. 22, Fig. 24 is a bottom perspective view of a cover unit of an eighth embodiment of the present invention, Fig. 22 is a cross-sectional view of the string winding device and its constituent parts taken along the longitudinal direction. Fig.

The description of the eighth embodiment of the present invention will be described with respect to the same parts as those of the above-described examples, and only the other parts will be described.

In the eighth embodiment of the present invention, the engaging portion 270 is fitted in the first fitting portion 152 provided in the base unit 100. [ The first reversing front portion 250 is fitted in the second fitting portion 153. The first fitting portion 152 is formed in the base unit 100 as a long hole along the circumferential direction. The second fitting portion 153 is also formed in the base unit 100 so as to have the same length as the upper portion of the first fitting portion 152, that is, the side on which the cover unit 400 is disposed with respect to the first fitting portion 152 .

The first reverse rotation front portion 250 is formed by bending a plate-like elastic body and the front end portion of the first reverse rotation front portion 250 may protrude outward from the base unit 100.

In the eighth embodiment of the present invention, the latching portion 270 serves as a latching portion of the elastic member 500 for preventing the latching and reverse rotation of the seventh embodiment. Therefore, the description of the operation of the latching portion 270 in the eighth embodiment of the present invention will be replaced with the description thereof.

In the eighth embodiment of the present invention, when the leading end of the first reverse rotation front portion 250 is sandwiched between gear teeth constituting the second reverse rotation front portion 460, the cover unit 400 can be rotated in one direction .

Therefore, the eighth embodiment of the present invention allows the user to wind the string in the space between the first wing portion 321 and the second wing portion 322 of the string winding apparatus by the action similar to that of the seventh embodiment.

FIG. 26 is an exploded perspective view of FIG. 26, FIG. 28 is a bottom perspective view of a cover unit of a ninth embodiment of the present invention, and FIG. 29 Fig. 26 is a cross-sectional view taken along the longitudinal direction, showing the string winding device and its components. Fig.

The description of the ninth embodiment of the present invention is the same as the description of the above-mentioned example, and only the other parts will be described instead of the description thereof.

The latching part 270 of the ninth embodiment of the present invention may be constituted of two sets of upper and lower parts and is formed of a linear elastic body and bent into a round shape.

The engaging portion 270 is disposed inside the base unit 100. When the cover unit 400 is moved in the upward and downward direction (direction in which the cover unit 400 approaches or away from the base unit) after the corresponding engagement portion 410 provided on the cover unit 400 rides over the engagement portion 270, .

In the ninth embodiment of the present invention, the latching part 270 includes two upper latching parts 270a and a lower latching part 270b. However, the latching part 270 is not limited thereto, It is also possible.

The latching portion 270 of the ninth embodiment of the present invention has a configuration in which the linear elastic member is repeatedly bent in a round shape and bent in a different shape between the rounded portions (protruding shape fitted to the fitting portion) 151 and can be maintained in a fixed state.

The first reverse rotation front portion 250 is formed by bending a plate-like elastic body. The first reversing front portion 250 may be disposed such that both ends of the bent front end face toward the inner side of the base unit 100. [ The first reversing front portion 250 has a structure in which the bent front end portion is in contact with the gear teeth of the second reverse rotation front portion 460 so that the cover unit 400 can rotate only in one direction. In other words, the first reverse rotation preventing portion 250 is disposed such that both end portions thereof are bent in opposite directions.

This first reverse rotation front portion 250 can be fitted into the engagement groove portion 490 provided in the cover unit 400 (see FIG. 28). The engaging groove portion 490 provided in the cover unit 400 may be formed as a groove having an opening toward the base unit 100 on the bottom surface of the cover unit 400.

On the other hand, the cover unit 400 is provided with a corresponding latching part 410 corresponding to the latching part 270. The first wing portion 321 may replace the corresponding engagement portion 410 provided in the cover unit 400. [

The operation of the latching portion 270 of the ninth embodiment of the present invention will be replaced by the description of the eighth embodiment.

The second reversing front portion 460 is formed in a continuous gear tooth shape along the inner circumferential surface of the base unit 100. The second reversing front portion 460 is engaged with the bent ends of the first reversing front portion 250, Can be moved only in one direction. That is, in the ninth embodiment of the present invention, when the bent front end portion of the first reverse rotation front portion 250 is sandwiched between the gear teeth constituting the second reverse rotation front portion 460, the cover unit 400 can be rotated in one direction .

Therefore, the ninth embodiment of the present invention enables the user to wind the string in the space between the first wing portion 321 and the second wing portion 322 of the string winding apparatus by the operation similar to that of the eighth embodiment.

Fig. 30 is a perspective view of a string winding device for explaining a tenth embodiment of the present invention, Fig. 31 is an exploded perspective view of Fig. 30, Fig. 32 is a bottom perspective view of a cover unit of a tenth embodiment of the present invention, 30 is a cross-sectional view of the string winding device shown in Fig. 30 cut in the longitudinal direction, showing the string winding device and its components.

The description of the tenth embodiment of the present invention is the same as the description of the eighth embodiment described above.

The tenth embodiment of the present invention is different from the eighth embodiment in that the base unit 100 is separated into the base plate 110 and the lower housing 120 and the rotation unit 300 and the cover unit 400 are separated from each other, There is a difference in this point. That is, in the eighth embodiment of the present invention, the base plate 110, the lower housing 120, the rotation unit 300, and the cover unit 400 can be coupled by the shaft 510. The tenth embodiment of the present invention shows that the present invention can be configured in various ways. The tenth embodiment of the present invention has the same operational effect as the eighth embodiment.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And it goes without saying that the invention belongs to the scope of the invention.

100. Base unit, 200. Middle unit,
300. Rotating unit, 400. Cover unit,
110. Base plate, 111. Through hole,
120. Lower housing, 121. First side through hole,
122. Second side through hole, 130. Rotary support,
132. Rotating support projection, 151. Fitting part,
152. First fitting portion, 153. Second fitting portion,
210. Upper housing, 240. Bulkhead,
250. A first anti-rotation member, 260. Mounting projection,
270,
270a. An upper latching part, 270b. The lower engaging portion,
310. The apparatus of claim < RTI ID =
321, 322. Second wing portion,
323. The third wing portion,
331. First through hole, 332. Second through hole,
322a. 380. Upper side plate,
410. Corresponding latching portion, 420. Cover plate,
440. Side plate, 450. Second engaging portion,
460. The 2nd Rev. Forward Chapter, 480. Step
490. An engaging groove, 500. An elastic member for engaging and reversing rotation,
510. Shaft,

Claims (29)

delete delete delete delete delete delete delete Base unit,
And a cover unit rotatably coupled to the base unit,
The base unit
Base plate,
A lower housing extending from an upper surface of the base plate and formed integrally with the base plate,
And a step for limiting the cover unit from being separated in a direction parallel to the rotation axis,
Wherein the lower housing has at least one side through hole into which a string is inserted at a side thereof and has a first reverse rotation front portion or a second reverse rotation prevention portion formed of an inclined gear tooth at an inner wall surface,
The cover unit
A cover plate surrounding the upper and side portions of the lower housing,
A first wing portion formed integrally with the cover plate, and
And a second wing portion formed integrally with the cover plate and the first wing portion and spaced apart from the first wing portion and received in the lower housing,
Wherein the string is wound in a space formed by a gap between the first wing portion and the second wing portion,
The first wing portion or the second wing portion
And a second reverse-rotation front portion or a first reverse rotation preventing portion that is shaped like a gear tooth and corresponds to the first reverse rotation front portion or the second reverse rotation front portion formed on the inner wall surface of the lower housing,
The base plate and the cover unit
And a string winding portion having a latch portion and a corresponding latch portion for varying a relative position of the base plate and the cover unit in a direction for maintaining or releasing the state where the first reverse rotation front portion and the second reverse rotation prevention portion are engaged with each other, Device. The method of claim 8,
The corresponding latching portion
A base unit,
The catch
And the cover unit is provided with the string winding device. The method of claim 8,
The corresponding latching portion
A second wing portion provided in the first wing portion,
The catch
And the base unit is provided with the string winding device. delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete

Images