WO2020209582A1 - Appareil de serrage de fil - Google Patents

Appareil de serrage de fil Download PDF

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Publication number
WO2020209582A1
WO2020209582A1 PCT/KR2020/004703 KR2020004703W WO2020209582A1 WO 2020209582 A1 WO2020209582 A1 WO 2020209582A1 KR 2020004703 W KR2020004703 W KR 2020004703W WO 2020209582 A1 WO2020209582 A1 WO 2020209582A1
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WO
WIPO (PCT)
Prior art keywords
gear
protrusion
elevating
wire
driving
Prior art date
Application number
PCT/KR2020/004703
Other languages
English (en)
Korean (ko)
Inventor
하민우
Original Assignee
하민우
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 하민우 filed Critical 하민우
Publication of WO2020209582A1 publication Critical patent/WO2020209582A1/fr

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C7/00—Holding-devices for laces
    • A43C7/08—Clamps drawn tight by laces
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/16—Fastenings secured by wire, bolts, or the like
    • A43C11/165—Fastenings secured by wire, bolts, or the like characterised by a spool, reel or pulley for winding up cables, laces or straps by rotation
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C7/00—Holding-devices for laces
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C7/00—Holding-devices for laces
    • A43C7/005—Holding-devices for laces the devices having means to hold the traditional knots or part of it tightened

Definitions

  • the present invention relates to a wire tightening device, and in more detail, durability and use
  • shoes such as sneakers have shoelaces so that they adhere closely to the
  • the shoelaces can be easily tightened, and the tightened state should be maintained firmly and at the same time, the shoelaces should be easily loosened when necessary.
  • FIG. 1 is a perspective view of a shoe equipped with a conventional shoelace tightening device
  • FIG. 2 is an exploded perspective view of a conventional shoelace tightening device.
  • the conventional shoelace tightening device 10 is provided on the tongue T of the shoe, and when the rotation cover 51 is rotated, the intermediate portion provided integrally with the mold locking portion 53z The member 53 is coupled to the winding member 55 and rotates together.
  • a wire (L) replacing the shoelace is wound around the winding member 55 so that both side skins of the shoe can be tightened, and the mold engaging portion 53z is attached to the ratchet gear 57c of the housing 57. It is constrained and reverse loosening can be prevented.
  • the intermediate member 53 descends and is coupled to the winding member 55 so that the wire L is wound around the winding member 55.
  • the intermediate member is formed integrally with the engaging portion, so that when the intermediate member is raised, the engaging portion is raised and lowered while being coupled to the ratchet gear. Therefore, when the wing portion including the joint constraining portion is continuously pressed or excessive external force is applied by extending to the end of the intermediate member for elevating and descending, it causes a bending deformation of the wing portion, resulting in fatigue failure, which causes product failure. there was.
  • the present invention has as a solution to provide a wire tightening device with improved durability and ease of use.
  • the present invention is a cylindrical housing portion having an accommodation space formed therein and a ratchet-type gear provided in the inner circumference;
  • a reel portion which is rotatably inserted into the lower inner portion of the housing portion so that the wire is wound when rotated in one direction;
  • a gear blade portion provided with a ratchet coupling portion coupled to the ratchet-type gear so as to constrain rotation in other directions, and having an elevating guide hole;
  • a gear body that is inserted into the elevating guide hole and selectively coupled with the reel portion to be rotated integrally as the slide is elevated, the elevating cam hole being formed;
  • a driving knob portion rotatably coupled to the upper portion of the housing portion and protruding downward from the lower portion thereof to transmit a rotational force to the elevating cam hole.
  • the gear body portion is provided with an elevating cam hole in which a cam groove inclined upward in one direction is formed on the inner periphery
  • the driving knob portion is provided with a driving protrusion in which a guide cam inserted into the cam groove and slip-moving is protruded
  • the The guide cam has a stopper step portion recessed upwardly at the lower end portion of the one direction side so as to be seated on the edge of the cam groove portion when rotating in one direction to maintain the lowered state of the gear body, and the upper portion of the reel portion and the lower portion of the gear body portion are mutually It is preferable that the engaging portion and the engaging portion that are selectively coupled and coupled are formed.
  • one side of the outer circumference of the gear body and the inner circumference of the elevating guide hole has an elevating protrusion protruding, and an elevating groove for guiding the elevating of the elevating protrusion is formed on the opposite side.
  • the driving knob portion includes a driving cap portion for applying rotation to the tightening device, and a locking driving portion coupled with the gear blade, a locking protrusion having a locking projection recessed in one direction protrudes from the upper portion of the gear blade portion, and the locking It is preferable that the driving part is provided with a locking hole in which an elastic support rib protruding on one surface is formed so that the locking jaws are selectively elastically caught at the ends.
  • a wire tightening device characterized in that it is provided with a rotation pressing unit having a rotation protrusion that is engaged with the stepped portion at an end.
  • the present invention provides the following effects.
  • the gear body unit is provided in a separate member insertion type from the gear blade unit to the inside of the lifting guide hole. Since it is inserted, when rotating in the other direction, the gear blade part is fixed to the housing part as the ratchet-type gear is coupled to the ratchet coupling part, and the gear body part is raised and lowered to prevent bending deformation of the gear blade part due to pressing force. By fundamentally blocking destruction, the durability of the product can be further improved.
  • the present invention is fixed to the lower side of the groove of the gear blade is closed by the partition partition wall. Since dust entering the penetrating portion stays in the elevating groove of the elevating guide hole and does not move upward, the inflow of dust into the gear blade portion and the locking drive portion is prevented, thereby further improving the durability of the product.
  • the rotation angle of the driving cap part for winding the wire as the locking protrusion formed on the upper part of the gear blade is disposed on one side of the rotation pressing part protruding under the locking driving part. Since the wire is wound by simply rotating it at a predetermined angle, convenience of use of the product may be improved.
  • FIG. 1 is a perspective view of a shoe equipped with a conventional shoelace tightening device.
  • Figure 2 is an exploded perspective view of a conventional shoelace tightening device.
  • 3A and 3B are exploded perspective views of a wire tightening device according to an embodiment of the present invention.
  • FIGS. 4A and 4B are cross-sectional views of a wire tightening device according to an embodiment of the present invention.
  • 5A and 5B are exemplary views showing the operation of the wire tightening device according to an embodiment of the present invention.
  • 6A and 6B are cross-sectional view illustrating an operation process of a gear unit in a wire tightening device according to an embodiment of the present invention, as viewed from above.
  • FIGS. 3A and 3B are an exploded perspective view of a wire tightening device according to an embodiment of the present invention
  • FIGS. 4A and 4B are cross-sectional views of a wire tightening device according to an embodiment of the present invention
  • FIGS. 5A and 5B are An exemplary view showing an operation process of a wire tightening device according to an embodiment of the present invention
  • FIGS. 6A and 6B are cross-sectional view illustrating an operation process of a gear unit in the wire tightening device according to an embodiment of the present invention.
  • the wire tightening device 500 includes a housing part 530, a reel part 540, a gear blade part 520, a gear body part 570, and It is provided including a driving knob part 510.
  • the housing part 530 is in a state in which the reel part 540 is coupled to the accommodation space, and the driving knob part 510, the gear blade part 520, and the gear body part 570 are combined. It may be detachable from the upper portion of the coupling base portion 560. That is, the housing part 530 is preferably understood as a structure in which components for tightening and releasing the tightening of the wire are mounted.
  • the coupling base portion 560 is a support structure fixed to an object to be tightened such as shoes, and is formed of a resin material such as reinforced plastic, which is an elastic material having a certain strength or more, and is fixed to the object to be tightened. It includes 561 and a fastening partition wall 562 protruding in the center of the upper surface of the base plate 561.
  • the base plate 561 may be fixed to the fastening object through a fixing means such as sewing or an adhesive, and the housing part 530 is attached to and detached from the fastening partition wall 562.
  • the coupling base portion 560 when the coupling base portion 560 is fixed to the fastening object, the wire connected to the fastening object is coupled to the reel portion 540, and the housing portion 530 is coupled to the fastening partition wall 562. Accordingly, various components such as the housing part 530 and the reel part 540 assembled thereto, the gear body part 570, the gear blade part 520 and the driving knob part 510 are tightened. Can be mounted on an object.
  • the reel part 540 is a part to which a wire connected to a fastening object is coupled and wound, and when the reel part 540 is rotated in one direction (R, clockwise in FIG. 3A), the wire is rotated around the outer periphery of the reel part 540 It is wound along the fastening object can be tightened.
  • the wire when the reel part 540 is rotated in the other direction (CR, counterclockwise in FIG. 3A), the wire may be released from the reel part 540 to release the tightening object.
  • the gear blade portion 520 is coupled to the inner circumference of the housing portion to be fixed to lift, and when the external force is released, rotation of the reel portion 540 in the other direction (CR) may be limited.
  • the gear body portion 570 is coupled to the inner circumference of the gear blade portion 520, and transmits a rotational force in one direction (R) applied to the driving knob portion 510 to the reel portion 540.
  • the drive knob 510 is rotated in one direction (R) by an external force, and the gear body 570 and the reel part 540 are integrally driven to rotate in one direction (R), but ascending or in the other direction (CR )
  • R gear body
  • CR other direction
  • one direction R in which the wire is wound is set in a clockwise direction while looking at the wire tightening device 500 in an up-down direction
  • the other direction CR in which the wire is unwound is set in a counterclockwise direction.
  • the rotation direction in which the wire is wound and unwound can be easily changed in design by reversing the shape of each component to be described later.
  • the housing part 530 is provided in a cylindrical shape having an inner diameter exceeding the outer diameter of the reel part 540 so that an accommodation space in which the reel part 540 is accommodated is formed, It is preferable that a partition partition wall 531 protruding radially inward along the circumferential direction and having an inner diameter less than the outer diameter of the reel unit 540 is provided at the inner circumferential central portion.
  • the partition partition wall 531 may support an upper edge of the reel part 540 inserted through the lower opening of the housing part 530.
  • the housing part 530 may be further provided with the auxiliary cap part 550 to support the lower surface of the reel part 540 in some cases.
  • the auxiliary cap part 550 is assembled at the lower end of the housing part 530 and provided to cover the open lower part of the receiving space. Accordingly, the lower surface part of the reel part 540 is supported and the The reel part 540 may be disposed rotatably without being separated from the accommodation space.
  • the auxiliary cap portion 550 is preferably provided as a ring-shaped plate member having an outer diameter corresponding to the inner diameter of the housing portion 530 and having a fastening guide hole 454 formed at the center thereof.
  • the outer periphery of the auxiliary cap portion 550 is provided with a plurality of cap coupling protrusions 555 having an outer diameter exceeding the inner diameter of the housing portion 530.
  • a plurality of cap coupling holes 535 are formed through the inner circumference of the lower end of the housing part 530 so as to correspond to the cap coupling protrusion 555, and the cap coupling protrusion 555 is the cap coupling hole 535 As it is inserted into, the auxiliary cap part 550 may be coupled to the lower end of the housing part 530.
  • the auxiliary cap portion 550 is elastically deformed, and the cap coupling protrusion 555 becomes the cap coupling hole ( It may be separated from 535 and the auxiliary cap part 550 may be separated from the housing part 530.
  • the cap coupling hole 535 is in close contact between the lower end of the partition partition 531 and the upper rim of the reel unit 540 in the inner circumference of the housing unit 530 from the lower end of the reel unit 540 to the lower side. It is preferably formed in the exposed portion. Through this, a predetermined clearance space in which the reel portion 540 is rotatable may be formed between the partition partition wall 531 and the auxiliary cap portion 550 in the housing portion 530.
  • a pair of penetrating portions 538a disposed spaced apart from each other in the circumferential direction so that both ends of the wire connected to the fastening object pass through the lower outer circumference of the housing portion 530.
  • guide protrusions 538 which limit movement of the wire in one direction and the other direction are protruded at the edges of both ends of each of the through portions 538a in the circumferential direction.
  • the guide protrusion 538 is provided with a guide groove 538b having a rounded inner surface so as to reduce wear damage during winding and unwinding of the wire.
  • the guide groove 538b may be deleted in some cases to prevent abrasion of the wire generated in the guide groove 538b and inconvenience of cutting when replacing the wire.
  • the wires may be inserted into the housing unit 530, and the introduced wires are mounted inside the housing unit 530. It may be combined with the reel portion 540.
  • the reel part 540 is a circular block member formed of a resin material such as reinforced plastic, and preferably has a ring-shaped wire winding groove 542 recessed radially inward on the outer circumferential surface.
  • a communication hole 543 into which both ends passing through each of the through portions 538a are separated and inserted into the wire winding groove 542 may be formed.
  • the communication hole 543 is preferably provided including a first communication hole (543a), a second communication hole (543b) and a third communication hole (543c).
  • the first communication hole (543a), the second communication hole (543b) and the third communication hole (543c) may be provided in a pair, respectively, each of the first communication hole (543a) is It is aligned and formed to correspond to the arrangement angle of the through part 538a. That is, when any one side of each of the first communication holes 543a is aligned with the one through part 538a, the other first communication hole 543a may be automatically aligned with the other through part 538a.
  • both ends of the wire may be respectively inserted in communication through the aligned through portions 538a and the first communication holes 543a. That is, one end of the wire is inserted in communication along the one through portion (538a) and one side first communication hole (543a), and the other end of the wire is along the other through portion (538a) and the other side first communication hole (543a). Communication can be inserted.
  • a fastening hollow portion 545 through which the communication holes 543a, 543b, and 543c communicate with each other is formed on the lower surface of the reel portion 540.
  • the fastening hollow part 545 is formed such that one side of the lower surface of the reel part 540 is recessed upwardly so as to be partitioned from the wire winding groove 542.
  • the wire winding groove 542 and the fastening hollow portion 545 may be partially communicated with each other through communication holes 543a, 543b, and 543c formed through the inner circumferential surface of the wire winding groove 542. Accordingly, both ends of the wire inserted in communication through each of the through portions 538a and the first communication holes 543a may be disposed on the side of the fastening hollow portion 545.
  • both ends of the wire inserted in communication through each of the through portions 538a and the first communication holes 543a are each of the second communication holes 543b opened on the inner surface side of the fastening hollow portion 545 Can be inserted into
  • both ends of the wire inserted in communication through the through portion 538a and the first communication hole 543a pass through the fastening hollow portion 545, and the wire winding groove through each of the second communication holes 543b. It can be placed on the 542 side.
  • the third communication hole (543c) is preferably disposed between the first communication hole (543a) and the second communication hole (543b). Through this, both ends of the wire disposed toward the wire winding groove 542 through the second communication hole 543b can be inserted into the fastening hollow part 545 again through the third communication hole 543c. have.
  • the end of the wire inserted through the third communication hole 543c on the side of the fastening hollow part 545 is one side of the wire extending from the first communication hole 543a toward the second communication hole 543b. As it crosses and is pressed, both ends of the wire may be constrained to prevent separation.
  • the convenience of use of the product may be further improved because it is automatically constrained to prevent separation.
  • the wire and the reel part 540 can be easily connected so that the wire is constrained by the rotation of the reel part 540 and wound up. Moreover, since both ends of the wire can be easily inserted and exposed to the lower portion of the auxiliary cap portion 550 through the inner surface of the fastening hollow portion 545, the wire can be easily replaced, so that the convenience of use can be improved.
  • the gear blade portion 520 is a ratchet coupling portion 523 coupled to the ratchet-type gear 533 so that rotation in the other direction is restricted extends toward the arc side of the gear blade portion. It is provided in the part, and the elevating guide hole 521 is formed in the central part.
  • the gear blade portion 520 is provided in an arc shape that extends roundly from one direction (R) side end to the other direction (CR) so that the other direction (CR) side end is elastically deformed in the radial direction, the partition partition wall It is preferable to be disposed and seated along the upper surface of (531).
  • a ratchet-type gear 533 is formed in the circumferential direction on the upper portion of the partition partition wall 531 on the inner circumference of the housing part 530.
  • the end of the gear blade 520 on the other direction (CR) side It is preferable that the ratchet-type gear 533 is provided with a ratchet coupling portion 523 that is engaged with the ratchet-type gear 533 so as to restrict rotation in the other direction (CR).
  • the ratchet coupling portion 523 is provided with one or more gear teeth having an end portion on the other direction (CR) side formed in a vertical step shape, and an end portion on the one direction side (R) side formed in an inclined shape, and the ratchet type gear 533 It is preferable that the end of the other direction (CR) side is formed in an inclined shape, and the end of the one direction (R) side is provided with a plurality of gear teeth formed in a vertical step shape.
  • the ratchet coupling portion 523 is elastically supported radially outward by the elastic force of the gear blade portion 520 and is bitten by the ratchet-type gear 533.
  • the gear blade part 520 is The gear blade portion 520 may be rotated in one direction (R) in a state in which a click feeling is provided by elastic deformation in the radial direction inward and outward.
  • the elevating guide hole 521 is provided in the axial direction at the central portion of the gear blade portion 520 and is coupled to the outer periphery of the gear body portion 570. Accordingly, one side of the outer circumference of the gear body 570 and the inner circumference of the elevating guide hole 521 has an elevating protrusion 572 protruding, and an elevation guiding the elevating of the elevating protrusion 572 on the opposite side.
  • the groove portion 522 may be formed,
  • the lifting guide hole 521 is provided with the lifting groove 522 and the gear body 570 is provided with the lifting protrusion 572 as an example.
  • the elevating groove portion 522 is preferably provided in a shape having a polygonal cross-sectional profile, but at the lower portion, the elevating protrusion 572 to be described later is engaged so that the position of the gear body portion 570 is fixed when elevating. It is preferable that the elevating portion 572a is provided in one direction.
  • the gear body part 570 is coupled to be rotated selectively with the reel part 540 to maintain the tightening and tightening state of the tightening object as it slides up and down along the lifting guide hole 521, and is lifted to the central part.
  • a cam hole 571 is formed.
  • the gear body portion 570 is preferably provided with a resin material such as reinforced plastic.
  • an elevating protrusion 572 protrudes radially outwardly on the outer periphery of the gear body portion 570, and the elevating protrusion 572 is preferably elevated along the elevating groove 522.
  • the elevating protrusion 572 is preferably provided in a shape having a polygonal cross-sectional profile, but the width in one direction of the elevating protrusion 572 for coupling and elevating with the elevating groove 522 is the elevating groove 522 ) Is preferably formed to correspond to the width in one direction.
  • a driving protrusion 515 to be described later is formed with an elevating cam hole 571 penetrating in the vertical direction so as to be inserted in the axial direction.
  • the elevating cam hole 571 is preferably provided to have an inner diameter corresponding to the outer diameter of the driving protrusion 515 to be described later.
  • the lower surface of the gear body 570 and the upper surface of the reel 540 are provided with a gear fitting part 574 and a gear coupling part 544 so that they are meshed in the axial direction and rotated integrally.
  • the gear fitting portion 574 and the gear coupling portion 544 are provided with a gear groove/gear protrusion or a gear protrusion/gear protrusion to be interlocked and interlocked.
  • the gear coupling part 544 is preferably provided with a plurality of gear protrusions formed in a vertical step shape with an end portion on the other direction (CR) side in an inclined shape, and arranged along the circumferential direction in one direction (R) side end portion. .
  • the gear fitting part 574 is provided with a plurality of gear protrusions formed in a circumferential direction in which an end of the other direction (CR) side is formed in an inclined shape, and an end of one direction (R) side is formed in a vertical step shape. .
  • the gear body part 570 is assembled so as to be raised and lowered inside the gear blade part 520 so that rotation in the other direction (CR) is restricted to the housing part 530, and the reel part 540 when descending ) And integrally coupled to rotate in one direction (R).
  • the reel part 540 is coupled with the gear body 570 to rotate in one direction (R) so that the wire may be wound.
  • the rotational force of the reel part 540 is applied to the gear fitting part 574 and the gear through the vertical stepped surface of the gear coupling part 544. It may be transmitted to the gear body 570.
  • the driving knob 510 is rotatably coupled to an upper portion of the housing unit 530, and the elevating cam hole 571 is used to switch the tightening and loosening state of the fastening object.
  • the drive knob 510 is formed of a resin material such as reinforced plastic and is disposed above the gear body 570, and the gear body 570 is transmitted by the drive knob 510 It can be lifted and rotated by the external force.
  • the drive knob part 510 is coupled to surround the outer circumference of the upper end of the housing part 530 to apply rotation to the tightening device, and the drive cap part 510a is attached to and detached from the lower part of the drive cap part 510a. It is preferable that the wing portion 520 is provided including a locking driving portion 510b that is coupled to the wing portion 520.
  • the driving cap part 510a and the locking driving part 510b may be provided integrally, but in this embodiment, the driving cap part 510a and the locking driving part 510b are separately provided. As illustrated and described.
  • the driving cap part 510a is provided in a container shape having an inner diameter that exceeds the upper outer diameter of the housing part 530, and it is preferable that a grip cover 519 made of an elastic material is mounted on the outer circumferential surface to improve grip. .
  • a knob cover capable of freely selecting a design according to a user's taste may be detachable from the upper surface of the driving cap part 510a, and it is preferable that it is provided to be easily detached from the upper surface of the driving cap part 510a.
  • a plurality of housing coupling protrusions 514 are protruded radially inward at the bottom of the inner circumference of the driving cap portion 510a, and a ring-shaped fastening step 532 is formed on the outer circumference of the housing 530 in a radial direction It is built up. That is, the drive cap part 510a is provided to have an inner diameter corresponding to the outer diameter of the fastening step 532, and the housing coupling protrusion 514 protruding radially inward from the inner circumference of the driving cap part 510a is fastened. It may be caught on the lower end of the stepped 532.
  • the housing coupling protrusion 514 is formed so that the lower end is inclined upwardly toward the radially inward, and the upper end is formed to be flat, and the fastening step 532 is formed with the upper end to be inclined downwardly toward the radially outer side, and the lower end is flat. Is formed. Accordingly, the inclined lower end of the housing engaging protrusion 514 slides along the inclined upper end of the fastening step 532 so that the housing engaging protrusion 514 can be smoothly moved to the lower portion of the fastening step 532. have.
  • the flat upper end of the housing coupling protrusion 514 is caught on the flat lower end of the fastening step 532 so that the drive cap part 510a and the housing part 530 can be hooked stably, and the drive cap part (510a) may be rotated in a state assembled to the upper end of the housing part 530.
  • driving parts such as the housing part 530, the auxiliary cap part 550, and the driving cap part 510a may be combined by a simple process of pressing two adjacent parts in the vertical direction, and between the parts to be combined Since assembly is completed simply by placing the rotating parts, productivity of the product can be improved.
  • the coupling protrusion 513 protrudes downward on the lower surface of the driving cap part 510a. At this time, it is preferable that at least one of the coupling protrusions 513 is coupled to the coupling groove of the locking driver 510b.
  • a fixing protrusion 512 having a polygonal cross-sectional profile may protrude at the center of the lower surface of the driving cap part 510a so that the coupling protrusions 513 are aligned and coupled.
  • the fixing protrusion 512 may be inserted through the driving protrusion 515 of the locking driving part.
  • the driving protrusion 515 protrudes downward in the central portion of the lower surface of the locking driving part 510b, and the inside of the driving protrusion 515 is preferably formed to have a depth and an area corresponding to the fixing protrusion 512.
  • each of the engaging protrusions 513 can be automatically aligned and coupled, so that the locking driving part 510b is the driving cap part 510a. ) And rotates together.
  • the driving protrusion 515 is fitted in the axial direction of the elevating cam hole 571, and is preferably provided to have an outer diameter corresponding to the inner diameter of the elevating cam hole 571.
  • a cam groove portion 571a inclined upward in one direction R is provided on the inner circumference of the elevating cam hole 571, and is inserted along the inner circumferential surface of the cam groove portion 571a on the outer circumference of the driving protrusion 515.
  • a guide cam 516 that is slip-moved is provided.
  • the guide cam 516 is formed to protrude stepwise from the outer periphery of the driving protrusion 515 in the radial direction, but the stepped surface at the end side in one direction (R) and the other direction (CR) goes in one direction (R). It is formed with an upwardly inclined slope.
  • the cam groove portion 571a and the guide cam 516 may be provided in plurality on the inner circumference of the elevating cam hole 571 and the outer circumference of the driving protrusion 515 to form a corresponding pair.
  • the driving protrusion 515 is inserted into the elevating cam hole 571 so that the guide cam 516 is inserted into the cam groove 571a.
  • the stepped surfaces in one direction R and the other direction CR of the guide cam 516 are disposed to face the inner surfaces of the one direction R and the other direction CR of the cam groove portion 571a.
  • the driving protrusion 515 rotates in one direction (R) and the other direction (CR)
  • the inner surface of the cam groove portion 571a in one direction (R) and the other direction (CR) is in one direction of the guide cam 516 ( R) and the other direction (CR) can be slip-moved in contact with the stepped surface.
  • the guide cam 516 has a stopper stepped portion 516a formed along an end disposed opposite the edge of the cam groove 571a when rotating in one direction (R). .
  • the stopper stepped portion 516a is horizontal along a height corresponding to the upper edge of the cam groove portion 571a when the one-direction (R) side edge of the guide cam 516 descends. It can be formed by opening in the direction.
  • the stopper stepped portion 516a is rotated in one direction (R) of the locking driving portion 510b, the stopper stepped portion 516a is seated on the upper edge of the one-direction (R) side of the cam groove portion 571a, and the gear body portion 570 descends. State can be maintained.
  • the stopper stepped portion 516a moves in one direction (R) of the cam groove portion 571a. It is seated on the top edge of the side.
  • the wire tightening device 500 is the gear body part by rotational force as the user rotates the drive cap part 510a in one direction (R) or the other direction (CR). It is preferable that the 570 is elevated and provided so as to be selectively coupled to the reel part 540.
  • the stepped surface in the other direction (CR) of the guide cam 516 is a cam groove part. It is in contact with the inner surface of the other direction CR of 571a.
  • the gear body portion 570 is formed inside the gear blade portion 520 and the other direction (CR) rotation is restricted through the combination of the lifting protrusion 572 and the lifting groove 522 ,
  • the guide cam 516 presses the inner surface of the cam groove portion 571a in the other direction (CR) in an upward diagonal direction toward the other direction (CR) through the slope of the stepped surface in the other direction (CR).
  • the inner surface of the cam groove 571a in the other direction (CR) is slip-moved in a diagonal direction along the stepped surface of the guide cam 516 in the other direction (CR), and the gear body part ( 570) can be raised.
  • the gear coupling portion 544 and the gear fitting portion 574 are spaced apart from each other, and the reel portion 540 is separated from the gear body portion 570 to be converted into a freely rotatable state, and the reel portion 540 It can be unwound by pulling the wire wound in
  • the coupling between the reel portion 540 and the gear body portion 570 is released, and as the wire of the reel portion 540 is unwound, the object to be tightened may be converted into an unfastened state.
  • the gear blade portion 520 is provided in a state in which the ratchet-type gear 533 and the ratchet coupling portion 523 are engaged with each other, and is provided in a state in which lifting and rotation in other directions are restricted, unlike the prior art.
  • the gear blade portion 520 is raised, fatigue failure due to bending deformation that may occur at the end of the gear blade portion 520 is prevented.
  • a stepped portion 527 recessed upwardly along the rotation direction of the gear blade portion 520 is formed at the lower surface of the gear blade portion 520.
  • the stepped portion 527 may be coupled to the rotation pressing portion 517 to prevent separation of the locking driving portion and the gear blade portion 520.
  • the rotation pressing unit 517 protrudes downward on the lower surface of the drive knob 510 so as to press the ratchet coupling part 523 toward the ratchet-type gear 533 radially outward when rotating in the other direction, and the stepped part 527 at the end It is preferable that the rotation pressing unit 517 is provided with a rotation protrusion 517a that is caught in ).
  • the rotational pressing part 517 protrudes downward from the lower surface of the locking driving part 510b corresponding to the position coupled to the stepped part 527, and is provided in plural by being spaced apart at a preset angle along the circumferential direction. It is desirable to be.
  • the rotation pressing part 517 is preferably provided so that the outer circumferential surface is in close contact with the outer circumference of the stepped portion 527, but the inner circumferential surface has a radial width that is in close contact with the outer circumference of the opposite surface of the stepped portion 527.
  • the end of the rotation pressing part 517 is preferably formed with the rotation protrusion 517a formed to protrude radially inward, and the stepped part 527 when the locking driving part 510b rotates in one direction (R). ) And rotates in one direction (R).
  • the contact protrusion 525 is rotated in a state in which the locking driving part 510b is rotated in the other direction (CR) at an angle at which the gear engaging part 574 and the gear engaging part 544 are completely engaged. It is preferable to protrude radially inward of the ratchet-type gear 523 on the opposite surface of the stepped portion 527 so as to correspond to the position of the portion 517.
  • the rotation pressing unit 517 Since the contact protrusion 525 is not pressed radially outward, the ratchet coupling portion 523 and the ratchet-type gear 533 are not firmly engaged.
  • the distance between the inner circumference of the contact protrusion 525 and the tip end of the stepped portion 527 is preferably set to be less than the maximum width between the outer circumferential surface and the inner circumferential surface of the rotation pressing unit 517.
  • a locking protrusion 524 with a locking protrusion recessed in one direction protrudes from an upper portion of the gear blade 520, and the locking protrusion 510b has an end portion. It is preferable that a locking hole 518 in which an elastic support rib 518a protruding on one surface is formed so as to be elastically caught on the surface.
  • the locking protrusions 524 are separated from each other at a predetermined angle along the circumferential direction so as to correspond to the quantity of the rotation pressing part 517 and are provided in plural.
  • the locking hole 518 disposed opposite to the locking protrusion 524 is provided in the locking driving part 510b, and the locking hole 518 is preferably formed through the locking driving part 510b in the vertical direction. Do.
  • the other direction (CR) side width of the locking hole 518 is formed smaller than the width of the locking protrusion 524, and one direction (R) side width is formed larger than the width of the locking protrusion 524, the It is preferable that the locking protrusion 524 is inserted into the locking hole 518 and pressed radially inward when rotating in the other direction (CR).
  • the elastic support rib 518a is formed inside the locking hole 518 in the radial direction by the locking protrusion 524.
  • an elastic granting hole 518c is disposed inside the elastic support rib 518a in the radial direction. Therefore, when the elastic support rib 518a is pressed by the locking protrusion 524, the elastic support rib 518a may be elastically deformed radially inward toward the elastic provision hole 518c.
  • a locking groove 518b is formed at an end of the locking hole 518 on the other direction CR side.
  • the locking groove 518b is provided to correspond to the width and shape of the locking protrusion 524 in the other direction CR, and restricts rotation of the locking protrusion 524 in the other direction CR.
  • the end of the elastic support rib (518a) one direction (R) side end is formed concave toward the other direction (CR) and the other direction (CR) side end is formed convex. It is preferable that the guide protrusion (518d) is provided.
  • the guide protrusion 518d may be provided on each of the plurality of elastic support ribs 518a, but may be provided only on one of the elastic support ribs 518a in some cases.
  • the guide protrusion 518d is formed in a portion where the end portion of one direction (R) side and the end portion of the other direction (CR) side are connected, that is, the tip portion is formed in a rounded outer profile.
  • the locking protrusion 524 is rotated from the other direction (CR) side of the guide protrusion 518d toward one direction (R) side, the inner circumference of the locking protrusion 524 is in the other direction of the guide protrusion 518d. It can be slid and contacted from the (R) side to the tip side.
  • the rotational pressing protrusion 517 gently slides into contact with the guide protrusion 518d and presses the distal end to give a click feeling, thus providing a more operability. It can be improved.
  • the locking protrusion 524 is on the one-direction (R) side of the rotational pressing part 517.
  • the rotation angle of the drive cap portion 510a for winding the wire is reduced, so that the wire is wound only by rotating it at a predetermined angle, so that the usability of the product can be improved.
  • the locking protrusion 524 may have various widths in the circumferential direction to adjust the rotation angle of the driving cap part 510a, and a distance spaced apart from the rotation pressing part 517 may be adjusted.
  • the driving cap part 510a elastically presses the locking protrusion 524 and the rotational pressing part 517 toward the radially inner side only when a certain or more external force is applied for rotation to tighten the object to be tightened. And since it rotates so that the unlocked state is switched, malfunction due to impact or the like is prevented, so that the driving reliability and safety of the product may be further improved.
  • the wire tightening device 500 is not limited to being used only for shoes, and accessories such as hats, helmets, belts, gloves, bags, sports equipment such as snowboards, water skis, and other clothes.
  • accessories such as hats, helmets, belts, gloves, bags, sports equipment such as snowboards, water skis, and other clothes.
  • application to other devices to which the technical idea of the present invention is applied also falls within the scope of the present invention.
  • driving cap portion 510b locking driving portion
  • reel part 550 auxiliary cap part
  • coupling base portion 570 gear body portion

Landscapes

  • Harvester Elements (AREA)
  • Basic Packing Technique (AREA)

Abstract

La présente invention concerne un appareil de serrage de fil ayant une durabilité et une facilité d'utilisation améliorées, l'appareil de serrage de fil comprenant : une partie de boîtier cylindrique ayant un espace de réception à l'intérieur de celle-ci et un engrenage de type à cliquet dans une circonférence interne de celle-ci ; une partie de bobine qui est insérée de manière rotative dans une partie inférieure interne de la partie de logement pour enrouler un fil sur celle-ci lorsqu'elle tourne dans une direction ; une partie de lame d'engrenage qui est pourvue d'une partie de couplage à cliquet couplée à l'engrenage de type à cliquet pour limiter la rotation dans la direction opposée et un trou de guidage d'élévation formé dans le centre de celle-ci ; une partie de corps d'engrenage qui est couplée de manière sélective à la partie de bobine et tournée d'un seul tenant avec la partie de bobine en étant insérée et surélevée de manière coulissante dans le trou de guidage d'élévation et qui a un trou de came d'élévation formé au centre de celle-ci ; et une partie de bouton d'entraînement qui est couplée de manière rotative à une partie supérieure de la partie de boîtier et est pourvue d'une saillie de fixation faisant saillie vers le bas à partir de la partie centrale inférieure pour transférer une force de rotation au trou de came d'élévation.
PCT/KR2020/004703 2019-04-10 2020-04-07 Appareil de serrage de fil WO2020209582A1 (fr)

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KR1020190042047A KR102189249B1 (ko) 2019-04-10 2019-04-10 와이어 조임장치
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US20240093758A1 (en) * 2022-09-19 2024-03-21 Apple Inc. Cable tensioning system and dial

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KR101570811B1 (ko) * 2014-04-29 2015-11-27 (주)경도상사 잠금레버가 구비된 신발끈 조임장치
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US12116238B2 (en) * 2022-01-21 2024-10-15 Shenzhen Icomwell Intelligent Medical Technology Co., Ltd. Lacing device and anti-reverse mechanism thereof

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KR20200119618A (ko) 2020-10-20

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