JP2011041803A - Fastener - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fastener capable of firmly lock the end of a cord or a belt. <P>SOLUTION: A fastener for a cord or a belt with which the end of the cord or the belt is firmly fixed by locking the end thereof, includes a locking portion and a mounting portion extending from the locking portion. The locking portion is provided with a through hole in which the cord or the belt is put through. On the side of the through hole detached from the mounting portion, there are formed locking grooves for the purpose of pulling in and locking the end of the cord or the belt. In the fastener, the locking grooves are provided with at least one set of locking projections for fixing the end of the cord or the belt pulled into the locking grooves. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a one-piece type fastener for locking a cord and a belt, and in particular, a cord and a belt fastener firmly fixed to the cord and the belt by retracting and locking the end portions of the cord and the belt. About.

  The cords and belts used when connecting or tying various articles differ in required thickness and length depending on differences in the size, shape, number, etc. of the target articles. Thus, for example, on cords and belts used to connect and tie articles such as backpacks, clothing, hats, shoes, pendant necklaces, braided necklaces, hand chains, bracelets, braided bracelets, trunks, suitcases, etc. A fastener such as a buckle is used to adjust the effective length necessary to connect or tie the article.

  A typical fastener is composed of two members, a male and a female. The free end of two cords or strips (belts, cloth belts, straps) with one end fixed to the article The male and female are movably inserted into or attached to the other end portion. And in such a form, a fastener plays the role which hold | maintains the state, when tightening or loosening two cords and a belt more. In addition to the articles exemplified above, such fasteners composed of two male and female members include shoes, clothing, bags, backpacks, waist bags, waist belts, suitcases, shoulders. It is also widely used in belts, helmets, bicycle accessories (such as water bottles, tool bags, baskets or storage bags), seat belts (vehicles, play equipment, strollers, etc.) or other items that need to be secured with belts.

  However, when the fastener composed of two male and female members is repeatedly detached, the members are likely to be deformed or damaged. Accordingly, a one-piece type fastener having a hollow sleeve and having a holding groove on the side wall of the sleeve has been proposed. The one-piece type fastener has a cord or belt that has one end fixed to an article (articles such as clothing, packages, bags, shoes, etc.) passed through the sleeve, and the other end of the cord or belt. The cord or the belt is held by sandwiching the portion with a sandwiching groove provided in the sleeve.

JP 2002-186505 A

  However, the conventional one-piece type fastener has various drawbacks as follows.

  (1) In the conventional one-piece type fastener, the opening end of the elastic holding groove of the sleeve is larger than the inside restriction end, and the cord or belt is inserted from the opening end of the elastic holding groove to The cord or belt is held by the sleeve by being hooked. At this time, since the cord or the belt is clamped by a drag force received from the sleeve as the sleeve is elastically deformed, if a slight pulling force is applied to the clamped cord or the belt, the cord and the belt are regulated. As a result, the cord or the belt may be loosely held by the sleeve or may be detached from the sleeve.

  (2) When a cord or belt having a size larger than the size of the elastic pinching groove repeatedly enters the elastic pinching groove, the elastic force in the vicinity of the elastic pinching groove in the sleeve becomes weak, and the cord or belt cannot be pinched. There was a thing.

  In view of the above-described problems and disadvantages, the present invention is a cord or belt fastener that can be firmly fixed to the end portion by locking the end portion of the cord or belt, An attachment portion extending from the engagement portion, and the engagement portion is provided with a through-hole through which a cord or a belt is inserted, and on a side surface of the through-hole away from the attachment portion. A locking groove for drawing and locking the end of the cord or the belt is formed, and the locking groove has a locking projection for fixing the terminal portion pulled into the locking groove. There is provided a fastener characterized in that at least one set is provided.

  Moreover, the fastener of this invention WHEREIN: It is preferable that the said attachment part is extended from one side edge of the said latching | locking part, and is provided integrally with the said latching | locking part.

  In the fastener of the present invention, the locking groove is formed on a side surface of the through hole along the longitudinal direction of the locking portion, and an opening end is formed on one side of the longitudinal direction on the side surface. Preferably, the locking protrusions are provided on both sides of the inner wall surface of the locking groove.

  In the fastener of the present invention, it is preferable that the locking protrusion has a tooth shape, an acute angle taper shape, a rectangular shape, a rhombus shape, an oval shape, a circular shape, a semicircular shape, or a corrugated shape.

  In the fastener of the present invention, it is preferable that a plurality of the locking protrusions are provided at intervals on both sides of the opposing inner wall surfaces in the locking groove.

  In the fastener of the present invention, it is preferable that a fixed latching groove is provided at a bottom portion of the locking groove that is farthest from the opening end.

  In the fastener of the present invention, the locking groove is formed on a side surface of the through hole along the longitudinal direction of the locking portion, and an opening end is formed on one side of the longitudinal direction on the side surface. And the depth of the locking groove from the open end to the bottom is preferably ½ or more of the length of the locking portion in the longitudinal direction.

It is a three-dimensional external view of the fastener which concerns on embodiment of this invention. It is a three-dimensional sectional view of a fastener according to an embodiment of the present invention. It is a plane sectional view of the fastener concerning the embodiment of the present invention. It is the three-dimensional external view before the cord and belt fixation in the fastener which concerns on embodiment of this invention. It is the three-dimensional external view after the cord and belt fixation in the fastener which concerns on embodiment of this invention. It is a three-dimensional external view of the other Example of the fastener which concerns on embodiment of this invention.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

  1, FIG. 2, and FIG. 3 respectively show a three-dimensional external view, a three-dimensional cross-sectional view, and a plan cross-sectional view of the fastener according to the embodiment of the present invention. As shown in FIGS. 1 to 3, the fastener according to the present embodiment includes a locking portion 1 and an attachment portion 2.

  A through hole 10 penetrating in the longitudinal direction of the locking portion 1 is provided inside the locking portion 1. The attachment portion 2 extends from one side edge of the locking portion 1 and is provided integrally with the locking portion 1. A locking groove 11 is formed on the side of the locking portion 1 opposite to the side where the mounting portion 2 is provided and the through hole 10. The locking groove 11 has an opening end on one side in the longitudinal direction of the locking portion 1 (in this example, the front side in FIG. 1), and is fixed along the longitudinal direction of the locking portion 1 from the opening end. It extends to the bottom where the retaining groove 110 is provided. A plurality of sets (four sets in this example) of locking projections 12 are provided on the opposite wall surfaces 111 of the locking groove 11.

  In addition, the joining position with the attachment part 2 in the latching | locking part 1 is not restricted to this example, The upper part, center part, lower part, etc. of the end surface of the latching | locking part 1 and the attachment part 2 may be joined. Moreover, although the latching | locking part 1 and the attaching part 2 may be manufactured by integral molding, they may each be provided separately and may be joined by methods, such as high frequency heating welding or adhesive bonding.

  In this example, the locking protrusions 12 provided on the inner wall surface 111 of the locking groove 11 are provided at positions facing each other. However, the position at which the locking protrusion 12 is provided is not limited to this example, and for example, the locking protrusion 12 may be provided at a position that is not opposed to each other on the wall surface 111 of the locking groove 11. Any of intervals or unequal intervals may be used. Further, the shape of the locking protrusion 12 may be selected from one or a plurality of types such as a tooth shape, an acute angle taper shape, a rectangle shape, a rhombus shape, an oval shape, a circular shape, a semicircular shape, and a corrugated shape.

  Furthermore, the side surface of the through hole 10 in the locking portion 1 is provided with a locking groove 11 that is engraved in the longitudinal direction from the outside. Has brought the design. A fixed latching groove 110 is provided at the bottom of the locking groove 11. In this example, as shown in FIG. 1, the depth D of the locking groove 11 is ½ or more of the length L of the locking portion 1, and the locking groove 11 is locked from the bottom end of the locking groove 11. The distance d to the edge 13 of the part 1 is ½ or less of the length L of the locking part 1.

  4 and 5 are three-dimensional external views of the fastener according to the embodiment of the present invention before and after fixing the cord and the belt, respectively. Moreover, FIG. 6 is a three-dimensional external view of another example of the fastener according to the embodiment of the present invention. As shown in these drawings, in the actual use, the fastener of the present example attaches one side of the article 3 prepared in advance to the attachment portion 2 on the side of the locking portion 1 or two Two sides of the article 3 prepared in advance can be respectively attached to the attachment part 2 of the opposite type fastener. The cord or belt 4 penetrating through the article 3 prepared in advance has a terminal portion 41 drawn out from the locking groove 11 on the side surface of the locking portion 1 into the locking groove 11 and pushed into the cord or belt 4. After passing the set (four sets in this example) of the locking projections 12, the locking projections 12 are firmly fixed in a state of being locked in the fixed locking grooves 110 of the locking grooves 11.

  Here, the cord or the belt 4 is firmly fixed in the fixed latching groove 110 as described above, and the movement from the fixed latching groove 110 to the opening end side is restricted by the locking projection 12. . Therefore, even when the cord or the belt 4 is pulled by an external force, the end portion 41 of the cord or the belt 4 is prevented from being detached from the locking groove 11 or loosened. In addition, since the locking projections 12 are provided on the both side wall surfaces 111 of the locking groove 11, the structural strength of the both side wall surfaces 111 in the locking groove 11 is increased, and the elastic force of the both side wall surfaces 111 of the locking groove 11 is increased. It is possible to effectively delay the time until the shortage occurs, to extend the life of the locking portion 1 and to enhance the clamping and fixing performance of the locking groove 11. Further, the locking projections 12 on both side wall surfaces 111 provide an effect of firmly fixing and clamping the cord or the end portion 41 of the belt 4, and the fastener achieves excellent regulation and hooking purposes of the cord or the belt 4. Can do.

  The article 3 attached to the attachment part 2 includes clothing (eg, slacks), bags (eg, backpacks, bags, handbags, shoulder bags, etc.), bags (eg, handbags, packaging bags, etc.), shoes, suitcases, etc. Especially if the article is provided with a cord and belt 4 such as a shoulder belt, a helmet, a bicycle accessory (such as a water bottle, a tool bag, a case or a storage bag), or a seat belt (vehicle, play equipment, stroller, etc.) It is not limited.

  As described above, the fastener according to the present embodiment has the following advantages in actual use.

  (1) The locking groove 11 of the locking part 1 is provided with at least one or more sets of locking protrusions 12 on both side wall surfaces 111, and the terminal part 41 of the cord and the belt 4 is drawn out to lock the locking groove 11. After entering the cable, the locking projection 12 is regulated and stopped, and also has a clamping and fixing action. Further, the cord and the belt 4 are pulled from the outside with a slight force by acting so as to regulate, latch and stop. Even when it is applied, it is possible to prevent the cord and the end portion 41 of the belt 4 from being detached or loosened in the locking groove 11.

  (2) The locking groove 11 of the locking portion 1 is provided with at least one set of locking projections 12 on both side wall surfaces 111, thereby increasing the structural strength of the locking groove 11 and increasing the locking groove. 11 to delay the time until the elastic force of the both side wall surfaces 111 is insufficient, effectively extending the life of the locking portion 1 without causing a problem that the hole expands toward the outside, and is firmly fixed by the locking groove 11 By doing so, the cord and the end portion 41 of the belt 4 can be clamped.

  (3) The locking groove 11 of the locking portion 1 has at least one set of locking protrusions 12 provided on both side wall surfaces 111 in a manner in which the locking protrusions 12 are opposed or not opposed to the both side wall surfaces 111. Further, they are arranged at regular intervals or non-equal intervals. The locking protrusion 12 is used in a plurality of different structure designs, so that the cord and the end portion 41 of the belt 4 can be firmly clamped and fixed.

  In addition, said fastener is only an example of embodiment of this invention, and the fastener of this invention is not limited by this example. In the cord and belt fastener of the present invention, a mounting portion 2 is coupled to the side of the locking portion 1, and a locking groove 11 cut in the longitudinal direction is provided on the side surface of the locking portion 1. Moreover, one or more sets of locking projections 12 are provided on both side wall surfaces 111 of the locking groove 11, and when the cord and the end portion 41 of the belt 4 are pulled and enter the locking groove 11, By locking the cord and the end portion 41 of the belt 4 by the locking projections 12 provided on the both side wall surfaces 111 of the stop groove 11, the movement of the cord and the belt 4 is effectively restricted. Even when 4 is pulled by an external force, it can be prevented from being displaced or loosened in the locking groove 11. Therefore, any structure and apparatus that can achieve the above-mentioned effects are included in the scope of the right of the present invention, and such simple additions and equivalent structural changes are all included in the scope of the present invention. It is expressed beforehand that this is reasonable.

  Therefore, the present invention mainly uses a locking groove formed on the side surface of the locking portion in the longitudinal direction as a structural design of the cord and the belt fastener, and at least one set of engagements on both side walls of the locking groove. By providing a stop projection, pulling out the end of the cord and the belt and entering it into the locking groove, firmly fixing and pinching the end of the cord and the belt by the locking projections on both side walls of the locking groove, The wall surfaces on both sides of the locking groove should be protected mainly by increasing the structural strength by the locking protrusions, delaying the time until the elastic force is insufficient, and extending the life of the locking part, In other words, even when the cord and the end of the belt are pulled from the outside with a slight force, there is no problem of detaching or loosening from the locking groove, and at least one set of locking protrusions on both side walls of the locking groove. , Code and Regulating the ends of the belt, stop, and a prominence of fixing. However, what has been described above is merely a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. It is stated in advance that any additional and equivalent structural changes are reasonable within the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Locking part 10 Through hole 11 Locking groove 110 Fixed latching groove 111 Wall surface 12 Locking protrusion 13 Edge 2 Attachment part 3 Article 4 Cord and belt 41 Terminal part D Depth L Length d Interval

Claims (7)

A cord or belt fastener that can be firmly fixed to the end by locking the end of the cord or belt,
A locking part;
An attachment portion extending from the locking portion,
The locking portion is provided with a through-hole through which a cord or a belt is inserted, and the cord or the end of the belt is pulled and locked to the side surface of the through-hole away from the mounting portion. The locking groove is formed with at least one set of locking projections for fixing the end portion drawn into the locking groove. Ingredients.   The fastener according to claim 1, wherein the attachment portion extends from one side edge of the locking portion and is provided integrally with the locking portion.   The locking groove is formed on the side surface of the through hole along the longitudinal direction of the locking portion, and has an open end on one side of the longitudinal direction on the side surface. The fastener according to claim 1 or 2, wherein the fastener is provided on both sides of an inner wall surface of the locking groove.   4. The fastener according to claim 3, wherein the locking protrusion has a tooth shape, an acute angle taper shape, a rectangular shape, a rhombus shape, an oval shape, a circular shape, a semicircular shape, or a corrugated shape.   5. The fastener according to claim 3, wherein a plurality of the locking protrusions are provided on both sides of the opposing inner wall surfaces in the locking groove with a space therebetween.   The fastener according to any one of claims 3 to 5, wherein a fixed latching groove is provided at a bottom portion of the locking groove farthest from the opening end.   The locking groove is formed on the side surface of the through hole along the longitudinal direction of the locking portion, and has an open end on one side in the longitudinal direction on the side surface. 7. The fastener according to claim 1, wherein a depth from the open end to the bottom is not less than ½ of a length of the locking portion in the longitudinal direction.

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