CN216701823U

CN216701823U - Shoelace tightening device and lace shoes

Info

Publication number: CN216701823U
Application number: CN202220119858.XU
Authority: CN
Inventors: 戴金睿; 王科景
Original assignee: Zhejiang Weixing Industrial Development Co Ltd
Current assignee: Zhejiang Weixing Industrial Development Co Ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-10
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a shoelace tightening device.A fixed lower piece is fixed on a vamp, the fixed lower piece and a movable upper piece are respectively provided with a channel for penetrating a shoelace, and two clamping and locking pieces are respectively assembled on the fixed lower piece in a sliding way; the movable upper piece can rotate relative to the fixed lower piece, the rotation of the movable upper piece is converted into the displacement of the clamping and locking pieces, the rotating directions are different, and the clamping and locking pieces are close to each other or are separated from each other; the side that the block latch fitting is close to each other sets up the latch, presss from both sides tight shoelace through the latch when the block latch fitting is close to each other, can make the block latch fitting fix a position at latched position to play fixed effect to the shoelace. The latch through block latch fitting plays firm locking card effect to the shoelace, guarantees to lock the shoelace, and this structure can be applied to ordinary shoelace and fix, need not to match special shoelace, can change the activity and go up the piece and realize individualized customization. The utility model also provides a pair of lace-up shoes with the same technical effects.

Description

Shoelace tightening device and lace shoes

Technical Field

The utility model relates to the technical field of shoelace buckles, in particular to a shoelace tightening device. In addition, the utility model also relates to a lace-up shoe.

Background

The function that the shoe buckle in the present stage provides is the fastening effect to the shoelace to reach the use experience that the shoelace exempts from to tie in this, there are many products that can be called as the shoe buckle, wherein there are eye-splice, rope buckle and complicated structure type shoe buckle, complicated structure type product is mainly to BOA shoe buckle, need to cooperate the special shoes to bring and reach the function that the shoelace is tied tightly and accomodate, adopt the steel wire to replace traditional shoelace usually, this kind of shoe buckle is common in high-end shoe money, the advantage is that the function is good, use experience is good, there are shortcomings such as high price, shoelace can't be changed freely, appearance singleness; the buckles and the cord fasteners are used as the shoe fasteners, and the shoe fasteners have the advantages of obvious defects, strong discordance, weak locking force of the shoelaces and the like.

For those skilled in the art, how to flexibly replace the shoelace under the condition of ensuring the locking of the shoelace is a technical problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shoelace tightening device, which can ensure the locking of shoelaces and can be flexibly replaced, and the specific scheme is as follows:

a shoelace tightening device comprises a fixed lower part, a movable upper part and a clamping and locking part; the fixed lower piece is fixed on the shoe upper, and the fixed lower piece and the movable upper piece are respectively provided with a channel for penetrating through a shoelace;

the two clamping and locking pieces are respectively assembled on the fixed lower piece in a sliding manner, the two clamping and locking pieces can be close to or away from each other, the side surfaces of the clamping and locking pieces close to each other are provided with clamping teeth, and shoelaces are clamped when the clamping and locking pieces are close to each other;

the movable upper piece can rotate relative to the fixed lower piece, and the rotating shaft direction of the movable upper piece is vertical to the moving direction of the clamping and locking piece; the movable upper piece rotates to drive the clamping and locking piece, so that the clamping and locking piece can be positioned at a locking position.

Optionally, the fixed lower part comprises an outer bottom part and an inner guide part, the outer bottom part is fixed on the shoe upper, and the inner guide part is provided with a sliding groove for guiding the snap-lock part.

Optionally, the outer side wall of the inner guide member is provided with a clamping groove, and the inner wall of the outer bottom member is provided with a clamping protrusion; the inner guide can rotate relative to the outer sole to lock or unlock the engaging protrusion and the engaging groove with each other.

Optionally, the activity upper part includes outer upper cover and interior driving piece, outer upper cover rotate the assembly in outer end spare, outer upper cover moves interior driving piece rotates in step, interior driving piece drives the translation of block latch fitting.

Optionally, the inner driving member is provided with a driving arc groove, and the distance between the driving arc groove and the rotating shaft is unequal; the block locking piece protrudes to be provided with a driving lug, the driving lug extends into the driving arc groove, the driving arc groove drives the block locking piece to move, and when the driving lug reaches a locking position, the driving lug can be limited by a locking clamping block which protrudes from the side wall of the driving arc groove relatively.

Optionally, the inner driving member is provided with at least two rotation positioning holes, and the rotation positioning holes are used for being matched and inserted with the driving columns convexly arranged on the outer upper cover.

Optionally, the centers of the inner guide, the outer upper cover and the inner driving member are axially provided with openings for passing through shoelaces, and the side wall of the outer bottom piece is provided with openings for passing through shoelaces.

Optionally, the bottom edge of the outer bottom piece is provided with a flange edge which protrudes outwards in the circumferential direction, and the flange edge is provided with a stitching hole for stitching and connecting the shoe upper.

Optionally, the surface of the flange is a cylindrical surface.

The utility model also provides a lace-up shoe comprising the shoelace tying device.

The utility model provides a shoelace tightening device, wherein a fixed lower piece is fixed on a vamp, the fixed lower piece and a movable upper piece are respectively provided with a channel for penetrating a shoelace, two clamping and locking pieces are respectively assembled on the fixed lower piece in a sliding way and can move horizontally relative to the fixed lower piece, and the two clamping and locking pieces can move synchronously and can approach or leave each other; the movable upper piece can rotate relative to the fixed lower piece, the rotating shaft direction of the movable upper piece is perpendicular to the moving direction of the clamping and locking piece, the movable upper piece and the clamping and locking piece are matched and driven to convert the rotation of the movable upper piece into the displacement of the clamping and locking piece, the rotating directions are different, and the clamping and locking pieces are close to each other or are separated from each other; the side that the block latch fitting is close to each other sets up the latch, presss from both sides tight shoelace through the latch when the block latch fitting is close to each other, can make the block latch fitting fix a position in latched position to play fixed effect to the shoelace. The latch through block latch fitting plays firm locking card effect to the shoelace, guarantees to lock the shoelace, and this structure can be applied to ordinary shoelace and fix, need not to match special shoelace, can change the activity and go up the piece and realize individualized customization. The utility model also provides a pair of lace-up shoes with the same technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an exploded view of a shoelace tying device in accordance with the present invention;

FIG. 2 is an exploded front view of the shoelace tying device in accordance with the present invention;

FIG. 3A is a schematic view showing an unlocked state of the shoelace tying device;

FIG. 3B is a schematic view showing a locking state of the shoelace tying device;

FIGS. 4A and 4B are schematic views of the inner drive member in the locked and unlocked states, respectively;

FIG. 5 is an exploded view of the shoelace tying device being fitted with the shoelace;

FIG. 6A is an isometric view of the shoelace tying device after assembly;

FIGS. 6B to 6D are a front view, a side view, and a plan view, respectively, of the shoelace tying device.

The figure includes:

the lower fixing piece 1, the outer bottom piece 11, the clamping protrusion 111, the flange 112, the suture hole 113, the inner guide 12, the sliding groove 121, the clamping groove 122, the upper movable piece 2, the upper cover 21, the inner driving piece 22, the driving arc groove 221, the locking fixture 222, the rotation positioning hole 223, the clamping and locking piece 3, the clamping tooth 31 and the driving protrusion 32.

Detailed Description

The core of the utility model is to provide a shoelace tightening device which can ensure the shoelace to be locked and can be flexibly replaced.

In order to make those skilled in the art better understand the technical solution of the present invention, the shoelace tying device and the lace-attached shoe of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is an exploded view of the shoelace tying device in accordance with the present invention, and FIG. 2 is an exploded front view of the shoelace tying device in accordance with the present invention; the shoelace tightening device comprises a fixed lower part 1, a movable upper part 2, a clamping and locking part 3 and other structures, wherein the fixed lower part 1 is fixed on a vamp, and the fixed lower part 1 and the movable upper part 2 are respectively provided with a channel for penetrating a shoelace; the shoelace passes in the passageway that fixed lower part 1 and activity upper part 2 seted up, when the shoelace tight bundle device loosened the shoelace, the shoelace can freely be adjusted, when the shoelace adjust accomplish the back, through shoelace tight bundle device locking shoelace, makes shoes and foot keep relatively fixed.

Combine shown in fig. 1, block latch fitting 3 sets up two, and the assembly that slides respectively is in fixed lower 1, and two block latch fittings 3 can be close to each other or keep away from, and the side that block latch fitting 3 is close to each other sets up latch 31, and block latch fitting 3 presss from both sides tight shoelace when being close to each other, and latch 31 presss from both sides tight shoelace, prevents that the shoelace pine from taking off, can play more firm fixed effect.

The movable upper part 2 can rotate relative to the fixed lower part 1, the rotating shaft direction of the movable upper part 2 is vertical to the moving direction of the clamping and locking part 3, the movable upper part 2 and the clamping and locking part 3 are mutually transmitted, the rotation of the movable upper part 2 is converted into the linear movement of the clamping and locking part 3, as shown in fig. 3A, the shoelace tightening device is in an unlocking state, and fig. 3B is a schematic diagram of the shoelace tightening device in a locking state; the movable upper part 2 rotates to drive the clamping and locking part 3, when the clamping and locking part 3 clamps the shoelace, the clamping and locking part 3 can be positioned at a locking position, and the two clamping and locking parts 3 are kept in a clamping state close to each other.

The shoelace tightening device has firm locking and stopping effects on the shoelace through the latch teeth 31 of the clamping and locking piece 3, ensures that the shoelace is locked, can be applied to fixing common shoelaces, does not need to be matched with special shoelaces, and has better universality; the movable upper part 2 can be replaced, and different shapes are adopted according to the requirements of users, so that the requirement of personalized customization can be met.

On the basis of the scheme, the fixing lower piece 1 comprises an outer bottom piece 11 and an inner guide piece 12, wherein the outer bottom piece 11 and the inner guide piece 12 are two independent components and are assembled with each other in use; the outsole element 11 is fixed to the shoe upper, the outsole element 11 is provided with a groove-shaped cylindrical cavity, the inner guide element 12 is mounted in the cavity of the outsole element 11, and the inner guide element 12 and the outsole element 11 are fixed to each other to form a whole in use.

The inner guide 12 is provided with a sliding groove 121 for guiding the engaging and locking member 3, as shown in fig. 1, the sliding groove 121 is a horizontally arranged sliding groove structure, the bottom of the sliding groove 121 is in a large and small shape like a Chinese character 'tu', the section of the engaging and locking member 3 is in a structure like a Chinese character 'tu', and the engaging and locking member 3 can only slide linearly along the horizontal direction relative to the sliding groove 121 and cannot move vertically relative to the sliding groove 121. The engaging and locking member 3 and the sliding groove 121 may be formed in a trapezoidal dovetail groove or the like, as long as the bottom is large and the opening is small, so that vertical movement can be prevented.

As shown in fig. 1, the outer side wall of the inner guide 12 is provided with a locking groove 122, and the inner wall of the outer guide 11 is provided with a locking protrusion 111; the inner guide 12 can rotate relative to the outer bottom piece 11, so that the clamping protrusion 111 and the clamping groove 122 are locked or unlocked mutually, the shape of the clamping groove 122 is similar to an L-shaped structure, the longitudinal section of the clamping groove 122 is similar to an inclined concave structure, the inner guide 12 is placed along the axial direction during installation, and the clamping protrusion 111 is opposite to the gap end of the clamping groove 122; after the inner guide piece 12 is put in, the inner guide piece 12 rotates around the rotating shaft for a certain angle, the inner guide piece 12 and the clamping protrusion 111 are matched with each other to block and limit, and the inner guide piece 12 and the outer bottom piece 11 cannot be separated along the axial direction; when the inner guide member 12 is removed, the engaging protrusion 111 faces the notched end of the engaging groove 122, so that the inner guide member 12 can be axially moved out.

Furthermore, the movable upper part 2 of the present invention comprises an outer upper cover 21 and an inner driving part 22, the outer upper cover 21 is rotatably assembled to the outer bottom part 11, as shown in fig. 1, a ring-shaped boss is convexly arranged on the periphery of the upper edge of the outer bottom part 11, and a hook circumferentially arranged on the lower surface of the outer upper cover 21 can be clamped on the ring-shaped boss to realize relative rotation.

When the outer upper cover 21 rotates, the inner driving member 22 is driven to synchronously rotate, and the inner driving member 22 drives the clamping locking member 3 to horizontally move; in operation, a user holds the outer cover 21 to rotate the outer cover 21 around the center, so that the outer cover 21 and the inner driving member 22 rotate synchronously to drive the engaging and locking member 3 to move horizontally.

Referring to fig. 4A and 4B, there are shown schematic views of the inner drive member 22 in the locked and unlocked states, respectively; the inner driving member 22 is a disc-shaped structure, the inner driving member 22 is provided with a driving arc groove 221, each position of the driving arc groove 221 is in smooth transition, and with reference to fig. 4A and 4B, the driving arc groove 221 is not a circular arc in a geometric sense and is similar to a parabola, and the distance between the driving arc groove 221 and the rotating shaft is unequal.

The locking piece 3 is provided with a driving projection 32 in a protruding manner, the driving projection 32 extends into the driving arc groove 221, and the locking piece 3 is driven by the driving arc groove 221 to move; the latch 3 can only move linearly, as shown by the double-headed arrows in fig. 4A and 4B, since the distances between the positions of the driving arc groove 221 and the rotating shaft are different, when the inner driving member 22 rotates, the side wall of the driving arc groove 221 applies a pushing force to the driving protrusion 32, so that the latch 3 moves linearly; as shown in FIGS. 4A and 4B, driving protrusion 32 is located at a distance r1 from the axial center, and locking element 3 locks the shoelace; the farthest distance from the axis of drive projection 32 is r2, at which point snap lock 3 releases the shoelace.

When the driving protrusion 32 reaches the locking position, the driving protrusion can be limited by the locking fixture 222 which is relatively protruded from the side wall of the driving arc groove 221, the locking fixture 222 is a protrusion structure which is relatively protruded from the side wall of the driving arc groove 221, a part with a contracted width is formed, the distance between the two locking fixtures 222 is smaller than the diameter of the driving protrusion 32, the movement of the driving protrusion 32 of the locking fixture 222 forms a barrier, the driving protrusion 32 is elastically deformed when passing over the locking fixture 222, and the distance between the two locking fixtures 222 is increased.

The inner driving part 22 is provided with at least two rotation positioning holes 223, the rotation positioning holes 223 are used for being matched with driving columns convexly arranged on the outer upper cover 21 in the plug-in mounting mode, the rotation positioning holes 223 are round holes, the driving columns convexly arranged on the bottom surface of the outer upper cover 21 can be just inserted into the rotation positioning holes 223, and therefore the inner driving part 22 is driven to rotate synchronously.

FIG. 5 is an exploded view of the shoelace tying device being engaged with the shoelace; FIG. 6A is an isometric view of the shoelace tying device after assembly, and FIGS. 6B to 6D are front, side and top views, respectively, of the shoelace tying device; the centers of the inner guide 12, the outer upper cover 21 and the inner driving member 22 are provided with openings for passing through the shoelace along the axial direction, the side wall of the outer sole member 11 is provided with openings for passing through the shoelace, the shoelace vertically passes through the centers of the outer upper cover 21, the inner driving member 22 and the inner guide 12, and then turns after passing through the inner guide 12 and extends along the transverse direction, and then passes through the openings on the side wall of the outer sole member 11 along the transverse direction.

The bottom edge of the outer bottom piece 11 is provided with a flange edge 112 which protrudes outwards in the circumferential direction, the flange edge 112 is provided with a suture hole 113 for sewing and connecting the shoe upper, a suture passes through the suture hole 113 and is sewn and fixed on the shoe upper, and a plurality of groups of suture holes 113 are arranged on the flange edge 112 in the circumferential direction and are kept uniformly and fixedly connected.

The surface of the flange 112 is a cylindrical surface, and as shown in fig. 6C, the flange 112 is curved to be a cylindrical surface, so as to better match and fit with the arc of the shoe upper.

The utility model also provides a lace shoe, which comprises the lace tightening device, the lace shoe can achieve the same technical effect, and the other parts of the lace shoe refer to the prior art, so that the utility model is not repeated herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A shoelace tightening device is characterized by comprising a fixed lower part (1), a movable upper part (2) and a clamping and locking part (3); the fixed lower part (1) is fixed on the vamp, and the fixed lower part (1) and the movable upper part (2) are respectively provided with a channel for penetrating a shoelace;

the two clamping and locking pieces (3) are respectively assembled on the fixed lower piece (1) in a sliding mode, the two clamping and locking pieces (3) can be close to or far away from each other, clamping teeth (31) are arranged on the side faces, close to each other, of the clamping and locking pieces (3), and shoelaces are clamped when the clamping and locking pieces (3) are close to each other;

the movable upper part (2) can rotate relative to the fixed lower part (1), and the rotating shaft direction of the movable upper part (2) is vertical to the moving direction of the clamping and locking part (3); the movable upper piece (2) rotates to drive the clamping and locking piece (3), so that the clamping and locking piece (3) can be positioned at a locking position.

2. The shoelace tying device of claim 1, wherein said fixed lower member (1) comprises an outer bottom member (11) and an inner guide member (12), said outer bottom member (11) being fixed to a shoe upper, said inner guide member (12) being provided with a sliding groove (121) for guiding said snap-lock member (3).

3. The shoelace tying device of claim 2, wherein a catching groove (122) is formed at an outer side wall of said inner guide member (12), and a catching protrusion (111) is formed at an inner wall of said outer base member (11); the inner guide (12) can rotate relative to the outer bottom piece (11) to lock or unlock the engaging protrusion (111) and the engaging groove (122) with each other.

4. The shoelace tying device of claim 2, wherein said movable upper member (2) comprises an outer upper cover (21) and an inner driving member (22), said outer upper cover (21) is rotatably assembled to said outer base member (11), said outer upper cover (21) drives said inner driving member (22) to rotate synchronously, said inner driving member (22) drives said snap lock member (3) to translate.

5. The shoelace tying device of claim 4, wherein said inner driving member (22) is provided with driving arc grooves (221), and the distances between said driving arc grooves (221) and said rotation axis are different; block latch fitting (3) protrusion sets up drive lug (32), drive lug (32) stretch into in drive arc groove (221), by drive arc groove (221) drive block latch fitting (3) remove, when drive lug (32) reachs the latched position, can by drive arc groove (221) lateral wall is locking fixture block (222) that the protrusion set up relatively spacing.

6. A shoelace tying device as claimed in claim 5, wherein said inner driving member (22) is provided with at least two rotation positioning holes (223), said rotation positioning holes (223) being adapted to fit with driving posts protrudingly provided on said outer cover (21).

7. The shoelace tying device as claimed in claim 6, wherein the centers of said inner guide member (12), said outer upper cover (21) and said inner driving member (22) are opened with openings for passing the shoelace in an axial direction, and the side walls of said outer base member (11) are opened with openings for passing the shoelace.

8. A shoelace tying device as claimed in claim 7, wherein a bottom edge of said outer bottom member (11) is provided with a flange (112) protruding circumferentially outward, said flange (112) being provided with a sewing hole (113) for sewing a vamp.

9. The shoelace tying device of claim 8 wherein a surface of said flange (112) is a cylindrical surface.

10. A lace shoe comprising the shoelace tying device of any one of claims 1 to 9.