CN201029494Y - Improved shoelace lock - Google Patents

Abstract

The utility model discloses improvement shoelace hasp contains base, spool, knob, has the resilient means of intermediate distance, lid, axle center, rope, and wherein, the button is established to this knob, and this resilient means is for can being pushed by the button and warp to make the spring of intermediate distance grow the utility model discloses in the embodiment, this knob is equipped with the button groove, and the button holding is in this button groove. One end of the spring is closed to form a closed end, and the other end of the spring is opened to form an open end and is of a U-shaped structure; the two sides of the opening end are provided with arc-shaped bends. The button is divided into a first button and a second button, the first button presses against the closed end of the spring, and the second button presses against the arc-shaped bent part of the open end. The first button is provided with a first groove capable of containing the closed end, and the second button is provided with a second groove capable of containing the arc-shaped bend. By adopting the structure, the improved shoelace lock catch which is light, time-saving and labor-saving when being loosened or locked can be obtained.

Description

Improved Lace Buckle

technical field

The utility model relates to a shoelace lock device, in particular to an improved shoelace lock which is convenient for adjusting the tightness.

Background technique

In daily life, people often encounter the situation that the shoelaces are accidentally loosened, and there is a danger of being tripped by the loosened shoelaces. Especially, for the elderly, children and some people who are engaged in dangerous work and extreme sports, the accidental loosening of shoelaces is particularly dangerous. Therefore there has been a kind of shoelace lock buckle that is used to prevent shoelace from being loosened accidentally.

The present shoelace lock buckle, its structure is shown in Fig. 1A-D, Fig. 2A-D, 3A-D, and it at least comprises base 1, bobbin 2, knob 3, elastic device 4, cover 5, axle center 6, rope 7.

Wherein, rope 7 promptly plays the effect of shoelace, and after it is passed through shoelace hole, two ends are tied on the spool 2 (as shown in Figure 1B) through the hole at both ends of 1 base, and spool 2 is contained in base 1 hole groove 11 is rotatable, the elastic device 4 is fixed in the elastic device slot 31 on the top surface of the knob 3, the cover 5 is fixed on the top surface of the knob 3 and cannot be moved, and the axis 6 passes through the middle of the cover 5, the elastic device 4, The middle hole of the knob 3 and the spool 2 is locked on the base with the threaded structure 61 at the lower end.

When the lock is locked and locked, as shown in Figure 3A-D, the middle distance 41 of the elastic device 4 is smaller than the top outer diameter 62 of the axis 6, and when the knob 3 is pressed toward the base 1, the elastic device 4 is stuck 63 below the top of the shaft center 6. At this time, the inner teeth 32 of the knob 3 cooperate with the spool teeth 21 of the spool 2, and the outer teeth 33 of the knob 3 cooperate with the base teeth 12. Due to the effect of the tooth direction, the knob 3 can only be clockwise Direction rotation, the rotation of the knob 3 drives the spool 2 to rotate, and the spool 2 rotates to drive the rope 7 attached to it to rotate so as to achieve the purpose of locking the shoe opening.

When the lock is released and pulled up, please refer to Figure 2A-D, the middle distance 41 of the elastic device 4 is smaller than the top outer diameter 62 of the axis 6, when the knob 3 is pulled up in the opposite direction of the base 1, the elastic device 4 It will be at the top of the 6-axis center. At this time, the inner and outer teeth of the knob 3 will no longer cooperate with the teeth of the spool 2 and the base 1 and there will be a gap 8. At this time, the spool 2 can rotate freely, and the rope 7 will be in a position without resistance. state, so as to achieve the purpose of loosening the shoe mouth.

The existing shoelace lock buckle must pull or press the knob 3 when the shoelace is to be loosened or tightened. When pulling, the resistance of the elastic device 4 must be overcome. At this time, it takes a lot of force and is difficult to grasp It is more difficult to pull when the hands are wet, oily or sweaty.

Utility model content

In view of this, the purpose of the utility model is to provide an improved shoelace buckle which is light, time-saving and labor-saving when loosening or locking.

The technical scheme of the improved shoelace lock of the utility model is: an improved shoelace lock, which includes a knob and an elastic device with an intermediate distance. A spring that deforms so that the intermediate distance becomes larger.

Wherein, the knob is provided with a button slot, and the button is accommodated in the button slot.

One end of the spring is closed to form a closed end, and the other end has an opening to form an open end, which is a U-shaped structure; both sides of the open end have arc-shaped bends.

The button is divided into a first button and a second button, the first button presses against the closed end of the spring, and the second button presses against the arc bend of the open end.

The first button is provided with a first groove capable of accommodating the closed end, and the second button is provided with a second groove capable of accommodating arc-shaped bending.

The beneficial effect of the utility model is: adopting the structure of the button, when the looseness is adjusted, the resistance can be transformed into a vertical force, and the knob is separated from the spool and the teeth of the base with a small force, so that the rope is in a state of no resistance, achieving The purpose of loosening the shoe opening, and pressing the button during adjustment also has anti-slip, safe and convenient performances, so that even children can easily pull it apart with a small force.

Description of drawings

FIG. 1A is a schematic diagram of a structural breakdown of an existing shoelace lock;

FIG. 1B is a schematic top view structure diagram of a spool of an existing shoelace lock;

FIG. 1C is a schematic view of the structure of the knob of the existing shoelace lock;

FIG. 1D is a schematic structural diagram of an overall top view of an existing shoelace lock;

Fig. 2A is a schematic diagram of the structure of the existing shoelace buckle pulled up state;

Fig. 2B is a top view structure schematic diagram of the existing shoelace locker with the cover removed;

Fig. 2C is a schematic cross-sectional structure diagram of the A-A plane in Fig. 1D when it is in a pulled-out state;

Fig. 2D is a schematic cross-sectional structure diagram of the B-B surface in Fig. 1D when it is in a pulled-out state;

Fig. 3A is a schematic structural diagram of the existing shoelace buckle in a depressed state;

Fig. 3B is a top view structure schematic diagram of the existing shoelace lock buckle in a depressed state, omitting the cover;

Fig. 3C is a schematic cross-sectional structure diagram of the A-A plane in Fig. 1D when it is in a depressed state;

Fig. 3D is a schematic cross-sectional structure diagram of the B-B surface in Fig. 1D when it is in a depressed state;

Fig. 4A is a schematic diagram of a structural breakdown of the improved shoelace lock of the present invention;

Fig. 4B is a structural schematic diagram of a top view of the spool of the improved shoelace lock of the present invention;

Fig. 4C is a structural schematic diagram of the knob of the improved shoelace lock according to the utility model looking up;

Fig. 4D is a structural schematic diagram of the overall top view of the improved shoelace buckle of the utility model;

Fig. 5A is a structural schematic diagram of the improved shoelace buckle of the utility model in the pull-up state;

Fig. 5B is a top view structural diagram of the improved shoelace buckle pulled up state of the utility model omitting the cover;

Fig. 5C is a top view structural diagram of the improved shoelace lock of the utility model when the button is pressed and the cover is omitted;

Fig. 5D is a schematic cross-sectional structure diagram of the A-A plane in Fig. 4D when it is in the pulled-out state;

Fig. 5E is a schematic cross-sectional structure diagram of the B-B surface in Fig. 4D when it is in a pulled-out state;

Fig. 6A is a structural schematic diagram of the improved shoelace buckle of the utility model in the pressed state;

Fig. 6B is a top view structural diagram of the improved shoelace buckle of the utility model in the pressed down state, omitting the cover;

Fig. 6C is a schematic cross-sectional structure diagram of the A-A plane in Fig. 4D when it is in a depressed state;

Fig. 6D is a schematic cross-sectional structure diagram of the B-B surface in Fig. 4D when it is in a depressed state;

Fig. 7 is a schematic diagram of the overall structure of the improved shoelace lock of the present invention.

【Description of figure number】

1 base 2 spools

3 Knobs 4 Elastic devices

5 cover 6 axis

7 ropes 8 buttons

11 slots 12 base teeth

21 spool gear 31 spring slot

32 internal teeth 33 external teeth

34 button slot 41 middle distance

42 Open end 43 Arc bending

44 closed end 61 thread structure

62 top outer diameter 63 top bottom

81 first button 82 second button

811 first groove 821 second groove

Detailed ways

Please refer to Fig. 4A-D, Fig. 5A-E, Fig. 6A-D and Fig. 7, the improved shoelace lock of the utility model includes a base 1, a bobbin 2, a knob 3, an elastic device 4 with an intermediate distance 41, and a cover 5. The axis 6 and the rope 7, wherein the knob 3 is provided with a button 8, and the elastic device 4 is a spring that can be squeezed and deformed by the button 8, so that the intermediate distance becomes larger. In this specific embodiment, the knob 3 is provided with a button groove 34, and the button 8 is housed in the button groove 34. One end of the spring is closed to form a closed end, and the other end is open to form an open end 42 , which is a U-shaped structure; both sides of the open end 42 have curved bends 43 . The button 8 is divided into a first button 81 and a second button 82 , the first button 81 presses against the closed end 44 of the spring, and the second button presses against the arc bend of the open end. The first button 81 has a first groove 811 for accommodating the closed end 44 , and the second button 82 has a second groove 821 for accommodating the arc-shaped bend 43 .

Wherein, after the rope 7 replaces the shoelace and passes through the shoelace hole, the two ends are tied on the bobbin 2 through the holes at the two ends of the base 1 (as shown in Figure 4B), and the bobbin 2 is installed in the hole 11 of the base 1 and can be rotated. 8 is installed in the button grooves 34 on both sides of the knob 3, and the elastic device 4 is fixed in the spring clamping groove 31 on the top surface of the knob 3. The first button 81 is provided with a first groove 811 that can accommodate the closed end 44. The second button 82 is provided with a second groove 821 that can accommodate the arc bend 43. The cover 5 is fixed on the top surface of the knob 3 and cannot be moved. The axis 6 passes through the middle of the cover 5, the elastic device 4, the knob 3 and The middle hole of the spool 2 is locked on the base 1 with the threaded structure 61 at the lower end.

When the lock is in the pressed state, please refer to Figure 6A-D, the middle distance 41 of the elastic device 4 is smaller than the top outer diameter 62 of the axis 6, when the knob 3 is pressed toward the base 1, the elastic device 4 is stuck 63 below the top of the shaft center 6. At this time, the internal teeth 32 of the knob 3 cooperate with the bobbin teeth 21 of the bobbin 2, and the external teeth 33 of the knob cooperate with the base teeth 12. Due to the effect of the tooth direction, the knob 3 can only be pressed in the right direction. Rotating in the clockwise direction, the rotation of the knob 3 drives the rotation of the bobbin 2, and the rotation of the bobbin 2 drives the rotation of the rope 7 tied to it so as to achieve the purpose of tightening the shoe opening.

When the buckle is released and is in the pull-out state, please refer to Fig. 5A, B, D, and E. When the button 8 is pressed (forcing towards the center), the elastic device 4 is deformed due to the action of the button 8, so that the center of the button 8 is deformed. The distance 41 becomes larger. At this time, after the knob 3 is pulled in the opposite direction to the base, the inner and outer teeth of the knob 3 will no longer match the teeth of the bobbin 2 and the base 1 and there will be a gap. At this time, the bobbin 2 can rotate freely. 7 will be in the state of no resistance, so as to achieve the purpose of loosening the shoe mouth.

It can be seen that when the looseness is adjusted, when the button 8 is pressed (forcing towards the center) and the knob 3 is pulled in the opposite direction to the base, the U-shaped spring inside the button 3 is affected by the force on both sides, especially the opening end. Some arc-shaped bends 43 make the U-shaped spring deform and expand to both sides, so that the middle distance 41 of the spring changes from the top outer diameter 62 smaller than the axis 6 to be equal to or greater than the top outer diameter 62 of the axis 6 (please Referring to Fig. 5C), the resistance of the shaft center 6 to the spring is reduced to 0, that is to say, when the looseness is adjusted, the resistance can be converted into a vertical force, and the knob 3 and the bobbin 2, The teeth of the base 1 are separated, so that the rope 7 is in a non-resistance state, and the purpose of loosening the shoe opening of the shoes is achieved. And pressing the button 8 during adjustment also has anti-skid, safety and convenience performances.

The utility model can easily adjust the locking and pressing of the buckle, so as to easily adjust the looseness and tightness of the shoelace, solve the original problem that it is not easy to pull apart, and achieve that even children can easily pull it apart with a small force the goal of.

Claims (5)

1. An improved shoelace lock, comprising a knob and an elastic device with a middle distance, characterized in that the knob is provided with a button, and the elastic device is a spring that can be squeezed and deformed by the button, thereby making the middle distance larger. 2. The improved shoelace lock according to claim 1, wherein the knob is provided with a button groove, and the button is accommodated in the button groove. 3. The improved shoelace lock as claimed in claim 1, wherein one end of the spring is closed to form a closed end, and the other end has an opening to form an open end, which is a U-shaped structure; both sides of the open end have curved bends . 4. The improved shoelace lock according to claim 3, wherein the button is divided into a first button and a second button, the first button presses against the closed end of the spring, and the second button presses against the arc of the open end shape bend. 5. The improved shoelace lock according to claim 4, wherein the first button is provided with a first groove capable of accommodating the closed end, and the second button is provided with a second recess capable of accommodating arc-shaped bending groove.

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