KR101570811B1 - Device for tightenning up a shoelace with locking lever - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoelace tightening device provided with a lock lever, and more particularly, to a shoelace fastening device having a lock lever, The present invention relates to a shoelace tightening device provided with a lock lever which can be fixed.
According to the present invention, there is provided a shoe comprising: a housing having a housing space in which a shoelace string is accommodated in an upper portion thereof, a lower gear formed upward along an edge of the housing space, and a shaft rod provided at the center of the housing space; A bobbin wheel installed inside the accommodation space of the housing so as to penetrate the shaft rod, the shoelace is wound on the outer side and the rotary gear is installed on the upper side; A wheel liner in which the rotary gear is disposed on an upper side of the bobbin wheel and a lower space is formed in a lower portion so that an upper gear is engaged with the lower gear and a moving space is formed in an upper portion; A side clutch movably installed in the moving space of the wheel liner and having a clutch gear meshed with the rotary gear when the position is shifted to one side; A cover fixed to the upper side of the wheel liner by a fastening member engaged with the shaft rod to cover the housing space of the housing and having a slot formed at an upper portion thereof; And a braking mechanism for braking the braking force by moving the side clutch to one side so that the clutch gear and the rotary gear are engaged with each other when the braking device is pivotally mounted on the elongated hole of the cover, And a locking lever for locking the shoelace so that the shoelace is not loosened by rotating the shoelace only in a winding direction of the shoelace.

Description

Technical Field [0001] The present invention relates to a device for tightening a shoelace with a lock lever,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoelace tightening device having a lock lever, and more particularly, to a shoelace fastening device having a lock lever, The present invention relates to a shoelace tightening device provided with a lock lever which can be fixed.

In general, shoes such as sneakers, mountaineering shoes, safety shoes, etc. are provided with shoelaces which are integrated with the shoe so that the shoes are not separated from the shoe when walking or running.

These shoelaces are connected in a zigzag form to the instep portion of the shoe, and the both ends are fixed so as not to be mutually loosened by various types of knots. However, there is a disadvantage in that both ends of the shoelace are easily loosened because the knot is released due to the fact that the shoelace is pulled and loosened by changing the shape of the foot when walking or leaning.

In order to compensate for these drawbacks, a shoelace fastening apparatus has been developed which is constructed in the form of a wire as a shoelace and fastened at both ends of the wire-like shoelace.

Most of the conventional shoelace fastening devices described above are constructed such that when the dial cap is lifted to the upper side, the shoelace fastening function is lost and the shoelace string is tightly tightened by the one-directional rotation operation of the dial cap and reel, If the dial cap is pushed downward, the shoestring fixing function is exerted to prevent the shoestring from loosening.

However, the conventional shoelace fastening device as described above has a problem that the shoelace is easily loosened because the shoelace fastening device is released when the shoelace fastening device is unexpectedly lifted due to force or vibration applied from the outside when walking or running.

U.S. Published Patent Application No. 2003/0204938, November 6, 2003.

Disclosure of the Invention The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a lock lever having a structure that can quickly and conveniently fasten and loosen a wire- The present invention provides a shoelace fastening device for a shoelace.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood from the following description.

In order to attain the above object, according to the present invention, there is provided a shoelacech tightening apparatus provided with a lock lever, comprising: a housing space in which a shoelace string is accommodated in an upper portion thereof; a lower gear is formed upwardly along an edge of the housing space; A housing in which a shaft rod is installed at the center of the space; A bobbin wheel installed inside the accommodation space of the housing so as to penetrate the shaft rod, the shoelace is wound on the outer side and the rotary gear is installed on the upper side; A wheel liner in which the rotary gear is disposed on an upper side of the bobbin wheel and a lower space is formed in a lower portion so that an upper gear is engaged with the lower gear and a moving space is formed in an upper portion; A side clutch movably installed in the moving space of the wheel liner and having a clutch gear meshed with the rotary gear when the position is shifted to one side; A cover fixed to the upper side of the wheel liner by a fastening member engaged with the shaft rod to cover the housing space of the housing and having a slot formed at an upper portion thereof; And a braking mechanism for braking the braking force by moving the side clutch to one side so that the clutch gear and the rotary gear are engaged with each other when the braking device is pivotally mounted on the elongated hole of the cover, And a locking lever which is rotated only in a direction in which the strap is wound so that the shoelace is not loosened.

Wherein the lock lever is pivotally coupled to the elongated hole of the cover by a hinge pin at one end thereof and the lock lever is pivotably connected to the elongated hole of the cover at one end of the lock lever, A position shifting protrusion for moving the side clutch to one side is inserted while being pivotally inserted into the position shifting hole when the locking lever is inserted into the slot, and when the locking lever is inserted into the slot, And a fixing protrusion for fixing the fixing protrusion.

A locking protrusion is formed on the fixing hole of the side clutch, and a fixing protrusion is formed on the fixing protrusion of the locking lever so that when the locking lever is inserted into the slot, the fixing protrusion is caught by the locking protrusion And the lock lever is inserted into the slot.

Wherein a curved surface is formed on a lower side of the position shifting projection of the lock lever and a sloped surface is formed on one side of the position shift hole of the side clutch so that when the lock lever is inserted into the long hole, And the movable stalk portion is rotated so that the side clutch is moved to one side.

And a groove is formed at an end of the lock lever for rotating the lock lever in an outward direction from the slot of the cover in order to release the shoelace fixation state.

Wherein the cover comprises: a flange wheel coupled to the housing at an upper side of the wheel liner and integrally fixed to the wheel liner and having a first through hole and a second through hole at one side and the other side, respectively; And a wheel bar coupled to the upper side of the flange wheel and having an upper surface formed with a first through hole and a third through hole communicating with the second through hole.

And a plurality of gripping grooves are formed on the outer peripheral surface of the cover.

The present invention based on the above construction provides a structure in which the shoelace string is firmly fixed or quickly disengaged according to the turning operation of the lock lever operated by the user, thereby further improving the function of the shoelace tightening device, Safety, sneakers, and the like can be conveniently worn to perform climbing, work, and exercise safely.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a shoelace fastening apparatus having a lock lever according to a preferred embodiment of the present invention. FIG.
FIG. 2 is an exploded perspective view of a shoe strap fastening apparatus having a lock lever according to a preferred embodiment of the present invention. FIG.
3 is a perspective view illustrating a housing of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention.
4 is a perspective view illustrating a bobbin wheel of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention.
FIG. 5 is a perspective view showing a wheel liner of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention. FIG.
6 is a perspective view illustrating a side clutch of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention.
7 is a longitudinal sectional view showing a side clutch of a shoe strap tightening device provided with a lock lever according to a preferred embodiment of the present invention.
8 is a perspective view showing a flange wheel of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention.
FIG. 9 is a perspective view showing a wheel bar of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention. FIG.
10 is a perspective view illustrating a lock lever of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention.
FIG. 11 is a state diagram illustrating a locking state of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention. FIG.
FIG. 12 is a state diagram illustrating an unlocked state of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention. FIG.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoelace fastening apparatus having a lock lever for the purpose of ensuring walking safety by relieving the trouble of tying up and loosening a shoelace provided in shoes such as shoeing, work shoes and running shoes, and improving work efficiency.

In particular, the shoelace tightening device provided with the lock lever according to the present invention is characterized in that when the shoelace is tightened and fixed, when the shoelace is not fixed by the physical force or vibration applied from the outside, The above-mentioned object can be effectively achieved.

The bobbin wheel is mounted on the bobbin wheel. The bobbin wheel is rotatable in one direction by engagement with the lower gear. A side clutch disposed inside the upper side of the wheel liner so as to be linearly movable and having a clutch gear meshed with the rotary gear according to a moving position, And the other end is detachably coupled to the side clutch so that the side clutch is linearly moved in accordance with the turning operation to engage with the rotary gear, Or separates the locking lever from the locking lever.

Therefore, when the lock lever is rotated downward and the other end of the lock lever is engaged with the side clutch, the side clutch is linearly moved to one side by the lock lever so that the clutch gear of the side clutch is engaged with the rotary gear of the bobbin wheel, The clutch can be rotated integrally in only one direction.

When the wheel barber is rotated in one direction in the above-described state, the bobbin wheel and the side clutch rotate in one direction together with the wheel barber, so that the shoelace is wound on the bobbin wheel in one direction to maintain a tightly tightened state.

When the lock lever is rotated upward to release the other end of the lock lever from the side clutch, the side clutch is linearly moved to the other side by the lock lever, so that the clutch gear of the side clutch and the rotary gear of the bobbin wheel are disengaged, The clutch can be rotated in one direction and the other direction out of the restraint of the clutch.

In this state, the bobbin wheel is freely rotatable unlike the wheel liner and the side clutch, so that the shoelace can be loosened and the shoe can be taken off and taken off.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a shoe strap fastening apparatus having a lock lever according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a shoelace fastening apparatus having a lock lever according to a preferred embodiment of the present invention. FIG. 2 is an exploded perspective view of a shoe strap fastening apparatus having a lock lever according to a preferred embodiment of the present invention. FIG. 3 is a perspective view showing a housing of a shoelace tightening apparatus having a lock lever according to a preferred embodiment of the present invention, FIG. 4 is a perspective view of a shoelace tightening apparatus having a lock lever according to a preferred embodiment of the present invention, FIG. 5 is a perspective view illustrating a wheel liner of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention. Referring to FIG.

FIG. 6 is a perspective view illustrating a side clutch of a shoelace tightening apparatus having a lock lever according to a preferred embodiment of the present invention, and FIG. 7 is a perspective view of a shoe strap fastening apparatus having a lock lever according to a preferred embodiment of the present invention. 8 is a perspective view showing a flange wheel of a shoelace fastening apparatus having a lock lever according to a preferred embodiment of the present invention, and FIG. 9 is a perspective view of a lock lever according to a preferred embodiment of the present invention. FIG. 10 is a perspective view illustrating a lock lever of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention. FIG. 10 is a perspective view illustrating a lock lever of a shoelace tightening device.

1 and 2, a shoe strap fastening apparatus 100 having a lock lever according to a preferred embodiment of the present invention includes a housing 110, a bobbin wheel 120, a wheel liner 130, A side clutch 140, a cover 150, and a lock lever 160. [

As shown in FIG. 3, the housing 110 is provided with a housing space 111 (see FIG. 3) for accommodating both ends of the shoelace while the shoe strap is fixed to the outer side of the shoe, A lower gear 112 is formed upward along the edge of the accommodation space 111 and a shaft 113 is installed at the center of the accommodation space 111. [

In a state where the bobbin wheel 120, the wheel liner 130 and the side clutch 140, which will be described later, are sequentially installed around the shaft rod 113 in the housing space 111 in which both ends of the shoelace are accommodated, And the upper part of the accommodation space 111 is covered by the cover 150. [

At this time, one end and the other end of the shoelace are inserted into one side and the other side of the housing 110, respectively, and the shoelace insertion holes 114 are drawn out according to the rotation direction of the bobbin wheel 120 described later.

Next, the bobbin wheel 120 is formed in a shape as shown in FIG. 4 by winding a shoelace string accommodated in the accommodation space 111 inside the housing space 111 of the housing 110 along the rotating direction A shaft rod 113 is installed to penetrate the center of the housing space 111 of the housing 110 and a shoelace string is wound on the outer circumferential surface and a rotary gear 121 is installed on the upper part.

That is, when the bobbin wheel 120 is rotated in one direction, the shoelace string is wound on the outer circumferential surface and is pulled tightly. When the bobbin wheel 120 is rotated in the other direction, the shoelace string wound around the outer circumferential surface is loosened and loosened.

The wheel liner 130 is installed on the upper side of the bobbin wheel 120 and rotates only in one direction from the inside of the housing 110. The wheel liner 130 is formed as shown in FIG. And a moving space 132 is formed inside the upper portion of the upper gear 131 so as to engage with the lower gear 112 of the housing 110. [ to be.

That is, the wheel liner 130 is rotated in one direction in which the shoelace is wound by the bobbin wheel 120 separately from the bobbin wheel 120 by the upper gear 131 engaged with the lower gear 112 of the housing 110 It is only rotated.

The side clutch 140 causes the bobbin wheel 120 and the wheel liner 130 to rotate integrally according to the moving position inside the moving space 132 of the wheel liner 130, And a clutch gear 141 which is movably installed inside the movement space 132 of the wheel liner 130 and engages with the rotary gear 121 of the bobbin wheel 120 when it is moved to one side, As shown in Fig.

That is, when the side clutch 140 is moved to one side, the clutch gear 141 is engaged with the rotary gear 121 of the bobbin wheel 120, and the bobbin wheel 120 is formed integrally with the wheel liner 130, The shoelace is rotated only in one direction in which the shoelace is wound in the same manner as the shoe 130.

7, a position shift hole 142 is formed on one side of the upper side of the side clutch 140, and a fixing hole 143 is formed on the other side of the position shift hole 142. [ A locking protrusion 143a protrudes from the fixing hole 143 and an inclined surface 142a is formed at one side of the positioning hole 142. [

The cover 150 is installed on the upper side of the wheel liner 130 to cover the accommodation space 111 of the housing 110 and is fastened to the wheel liner 130 So as to completely cover the accommodation space 111. As shown in Fig.

That is, the cover 150 is a rotating means for rotating the wheel liner 130 to the outside so as to wind the shoelace string around the bobbin wheel 120. At this time, an elongated hole 151 is formed in the upper portion of the cover 150 such that the position shifting hole 142 and the fixing hole 143 of the side clutch 140 are exposed to the outside.

At this time, a plurality of gripping grooves 152 are formed on the outer circumferential surface of the cover 150 so as to prevent slippage during the rotation operation of the cover 150 and to easily rotate. The cover 150 may be divided into a flange wheel 150a and a wheel cover 150b as shown in FIG.

The flange wheel 150a covers the housing space of the housing 110 and is fixed to the wheel liner 130. As shown in FIG. 8, one side and the other side of the flange wheel 150a are provided with a first through hole 151a and a second through hole 142b, respectively, which expose the position shift hole 142 and the fixing hole 143 of the side clutch 140, respectively, 152a are formed.

The wheel barber 150b is configured to be coupled and fixed to the upper side of the flange wheel 150a. 9, a third through hole 151b communicating with the first through hole 151a of the flange wheel 150a and the second through hole 152a is formed on the upper portion of the wheel cover 150b. That is, the first through-hole 151a, the second through-hole 152a, and the third through-hole 151b correspond to the elongated hole 151 of the cover 150.

10, the lock lever 160 is rotatably installed on the long hole 151 of the cover 150 and is pivoted toward the cover 150 to be inserted into the long hole 151 of the cover 150 The side clutch 140 is moved to one side so that the bobbin wheel 120 and the wheel liner 130 are rotated only in a direction in which the shoelace string is wound so that the shoelace string is fixed without being loosened.

That is, the lock lever 160 is inserted into the slot 151 of the cover 150 to move the side clutch 140 in one direction to rotate the clutch gear 141 of the side clutch 140 and the rotation of the bobbin wheel 120 The bobbin wheel 120 is rotated only in the winding direction of the shoelace by the wheel liner 130 rotating with the side clutch 140 so that the shoelace is not loosened.

At this time, one end of the lock lever 160 is rotatably coupled to the slot 151 of the cover 150 by the hinge pin 161.

When the lock lever 160 is inserted into the long hole 151 at one end of the lock lever 160, the side clutch 140 is moved to one side while being inserted into the position shift hole 142 of the side clutch 140 The locating protrusion 162 is projected.

The lock lever 160 is fixedly inserted into the fixing hole 143 of the side clutch 140 when the lock lever 160 is inserted into the long hole 151 at the lower end of the lock lever 160, A fixed protrusion 163 is formed.

The fixing protrusion 163a protrudes from the fixing protrusion 163 of the locking lever 160 so that when the locking lever 160 is inserted into the slot 151 of the cover 150, The state where the lock lever 160 is inserted into the slot 151 of the cover 150 is maintained while being fixed over the engaging step 143a of the side clutch 140. [

A curved surface 162a is formed on the lower side of the position moving projection 162 of the lock lever 160 so that the curved surface 162a of the position moving projection 162 when the lock lever 160 is inserted into the slot 151 of the cover 150 The side clutch 140 is smoothly moved to one side while the position shifting protrusion 162 is rotated while the pinion gear 162a is in close contact with the slant surface 142a of the side clutch 140. [

10, a groove 164 is formed at the end of the lock lever 160. The groove 164 is formed in the lock lever 160 inserted in the slot 151 of the cover 150 to unlock the shoelace Thereby providing a space that can be easily pulled out by a fingertip when rotating it in the outward direction.

Hereinafter, an operation of a shoelace fastening apparatus having a lock lever according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 11 is a state view showing a locking state of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention, and FIG. 12 is a perspective view of a shoelace tightening device having a lock lever according to a preferred embodiment of the present invention. And shows the unlocked state.

11, when the lock lever 160 is inserted into the slot 151 of the cover 150, the lock gear 160 is locked. At this time, as the side clutch 140 is moved to one side, the clutch gear 141 is moved to the bobbin wheel 120 The bobbin wheel 120 is engaged with the wheel liner 130 by the side clutch 140 only in one direction in which the shoelace is wound along the lower gear 112 of the housing 110 And is in a rotatable state.

In this state, the bobbin wheel 120 is rotated in one direction through the cover 150, and the shoelace is wound around the shoe so as to fit the foot. After the shoe strap is properly wound, if the cover 150 is left as it is, the bobbin wheel 120 is not rotated in the other direction in which the shoe strap is loosened by the wheel liner 130, so that the tension of the shoelace string is maintained.

Next, as shown in FIG. 12, when the shoe strap is tightly wound and fixed and the shoe is to be removed, the lock lever 160 is rotated outward to be taken out of the slot 151 of the cover 150 .

The side clutch 140 moved to one side by the lock lever 160 is returned to its original position and the clutch gear 141 is separated from the rotary gear 121 of the bobbin wheel 120, It is free from the wheel liner 130 rotatable only in one direction, and is also rotatable in the other direction.

In this state, when the shoelace is pulled or the foot is moved, only the bobbin wheel 120 rotates in the other direction, so that the shoelace string pulled up in tension can be easily loosened and the shoe can be easily removed.

The above-described embodiments are merely illustrative, and various modifications may be made by those skilled in the art without departing from the scope of the present invention.

Therefore, the true technical protection scope of the present invention should include not only the above embodiments but also various other modified embodiments according to the technical idea of the invention described in the following claims.

100: shoelace fastening device
110: Housing
111: accommodation space
112: Lower gear
113: shaft
114: shoelace insert ball
120: Bobbin wheel
121: rotary gear
130: Wheel Liner
131: Upper gear
132: Moving space
140: Side clutch
141: clutch gear
142: Positioning ball
142a:
143: Fixed ball
143a:
150: cover
151: Long hole
152: gripping groove
150a: Flange wheel
151a: first through hole
152a: second through hole
150b: wheel chair
151b: third through hole
160: Lock lever
161: Hinge pin
162:
162a:
163:
163a:

Claims (7)

A receiving space 111 in which a shoelace string is accommodated is formed inside the upper portion and a lower gear 112 is formed upward along the edge of the receiving space 111 and a shaft 113 is provided at the center of the receiving space 111 A housing 110 to be installed;
A bobbin wheel 120 installed inside the housing space 111 of the housing 110 so as to penetrate the shaft rod 113 and having the shoelace string wound on the outer side and the rotary gear 121 installed on the upper side;
The rotary gear 121 is installed on the upper side of the bobbin wheel 120 and the upper gear 131 is downwardly engaged with the lower gear 112 and the moving space 132 is formed inside the upper part. A wheel liner 130 formed;
A side clutch 140 movably installed in the movement space 132 of the wheel liner 130 and having a clutch gear 141 formed inside the center thereof to engage with the rotary gear 121 when the position is moved to one side;
A cover 150 which is fixed to the upper side of the wheel liner 130 by a fastening member fastened to the shaft rod 113 and covers the housing space 111 of the housing 110 and has a slot 151 formed therein; And
The clutch gear 141 and the rotary gear 121 are rotatably mounted on the elongated hole 151 of the cover 150 and rotated toward the cover 150, A lock lever 160 for moving the side clutch 140 to one side so that the bobbin wheel 120 and the wheel liner 130 are rotated only in a direction in which the shoelace string is wound so as to fix the shoe strap so as not to be loosened; Wherein the shoelace fastening device is provided with a lock lever. The method according to claim 1,
The side clutch (140)
A positioning hole 142 and a fixing hole 143 are formed on one side and the other side, respectively,
The lock lever (160)
And is rotatably coupled to the elongated hole 151 of the cover 150 by a hinge pin 161 at one end,
When the lock lever 160 is inserted into the long hole 151, the position shifting protrusion 162 is inserted into the position shift hole 142 to move the side clutch 140 to one side And a fixing protrusion 163 for fixing the side clutch 140 is inserted and fixed to the fixing hole 143 when the lock lever 160 is inserted into the long hole 151 at a lower end thereof. Wherein the shoelace fastening device is provided with a lock lever. 3. The method of claim 2,
In the fixing hole 143 of the side clutch 140,
A locking protrusion 143a is protruded,
On the fixed protruding portion 163 of the lock lever 160,
The fixing jaw 163a is formed to protrude,
When the lock lever 160 is inserted into the long hole 151, the fastening protrusion 163a is caught by the fastening protrusion 143a and the lock lever 160 is inserted into the long hole 151 Wherein the shoelace fastening device is provided with a lock lever. 3. The method of claim 2,
The lower side of the locating protrusion 162 of the lock lever 160 is provided with a lock-
A curved surface 162a is formed,
On one side of the positioning hole 142 of the side clutch 140,
An inclined surface 142a is formed,
When the lock lever 160 is inserted into the long hole 151, the curved surface 162a is brought into close contact with the inclined surface 142a and the position moving protrusion 162 is rotated to move the side clutch 140 to one side Wherein the shoelace fastening device is provided with a lock lever. The method according to claim 1,
At the end of the lock lever 160,
Wherein the lock lever is formed with a groove (164) used to turn the lock lever (160) outward from the slot (151) of the cover (150) in order to release the shoelace fixed state A shoelace fastening device comprising: The method according to claim 1,
The cover (150)
A first through hole 151a and a second through hole 152a are formed on one side and the other side of the upper surface of the wheel liner 130 and are integrally fixed to the wheel liner 130 by being coupled with the housing 110 A flange wheel 150a; And
And a wheel cover 150b which is fixedly coupled to the upper side of the flange wheel 150a and has a first through hole 151a and a third through hole 151b communicating with the second through hole 152a, Characterized in that the shoelace fastening device is provided with a locking lever. The method according to claim 1,
On the outer circumferential surface of the cover 150,
Wherein a plurality of gripping grooves (152) are formed in the shoe string fastening device.

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