JP2014004074A - Strap clasp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a strap clasp having improved mounting workability and capable of preventing pull-out of a strap.SOLUTION: The strap clasp includes: a female member having a first insertion hole through which the strap is passed; a male member having a second insertion hole and slidably inserted into the female member; and spring means for energizing the male member in the direction of protruding from the female member. The strap clasp inserts and fixes the strap, by applying pressure to the male member against the energization force of the spring means in a state where the positions of the first and second insertion holes match each other. The strap clasp has a rib that protrudes from a peripheral edge of the second insertion hole formed in the male member so as to prevent pull-out, even when the strap is made to pass through the single insertion hole in a loop state.

Description

  The present invention can fix strings (strings, ropes, cords, etc.) arranged at the opening edge of backpacks, around the cuffs of clothes and around the neck and adjusting the degree of opening at arbitrary length positions, The present invention relates to a string fastener that is easy to take in a string and does not cause a looped string to fall out.

  Conventionally, there are a two-hole type string fastener as shown in FIG. 9 and a one-hole type string fastener as shown in FIG. In the case of the two-hole type, the male member 1 is slidably disposed on the inner side of the female member 2, and the protrusion of a predetermined amount or more is restricted by an engaging claw or the like not shown. Further, the male member 1 is biased in the protruding direction by a spring member disposed in the female member 2. The male member 1 and the female member 2 are formed with insertion openings 1a, 1b, 2a, and 2b having approximately the same size. When the string L is inserted through the string fastener having such a configuration, after the male member 1 is pressed and the positions of the respective insertion openings are made coincident, for example, the insertion openings 1a, 2a, 2b, and 1b are inserted in this order. I had to. As an example of a two-hole type, for example, a string fastener shown in Patent Document 1 is disclosed.

  In the case of the one-hole type shown in FIG. 10, the male member 3 and the female member 4 are formed with oval insertion ports 3a and 4a, respectively. When inserting the two strings L through the string fastener having such a configuration, after pressing the male member 3 to match the positions of the respective insertion openings 3a and 4a, two looped strings L are inserted. , Can be inserted at the same time. However, since there is a possibility that the string L may come off when the string L is loosened, it is necessary to attach the retaining ring 5. As an example of the one-hole type, for example, a string fastener shown in Patent Document 2 is disclosed.

JP 2008-178588 A JP 59-148518 A

However, in the case of the two-hole type string fastener shown in FIG. 9, even if the string L is pulled in the direction of the arrow, the loop-shaped string will not come out, but one by one when setting the string on the string fastener. It had to be inserted and the operation was complicated. This was particularly inconvenient at a garment factory.
In the case of the one-hole type string fastener shown in FIG. 10, the loop-shaped string L can be inserted as it is, and the operation is easy. However, if the string L is pulled in the direction of the arrow while pressing the male member, it will fall off. Therefore, it has been necessary to attach the retaining ring 5.

  The present invention was made to eliminate the above-described conventional disadvantages, and has a female member having a first insertion port for passing a string and a second insertion port, and the female member has a second insertion port. Since the rib projecting inward from the peripheral edge of the second insertion port of the male member slidably inserted is provided, the cord can be prevented from coming off even if the loop is passed through the single insertion port. A fastener is provided.

The present invention has the following contents.
(1) In order to achieve the above object, the present invention has a female member having a first insertion port for passing a string and a second insertion port, and is slidably inserted into the female member. A male member and spring means for urging the male member in a direction protruding from the female member, and pressing the male member against the urging force of the spring means, A string fastener for inserting and fixing a string by matching the position of the insertion opening, wherein a rib projecting inward from the peripheral edge of the second insertion opening formed in the male member is provided. And
(2) Further, the rib is formed at the center of the long axis of the second insertion port formed in a substantially oval or elliptical shape.
(3) The rib is formed to protrude upward from the lower peripheral edge of the second insertion opening.
(4) The rib has a length substantially equal to the width dimension of the male member.
(5) The spring means is configured integrally with the male member.

The present invention includes a female member having a first insertion port for passing a string, a male member having a second insertion port and slidably inserted in the female member, and the male member. Spring means for urging the female member in a direction protruding from the female member, and pressing the male member against the urging force of the spring means so that the positions of the first and second insertion openings are aligned with each other. When the two strings are passed through the insertion opening, since the ribs projecting inward from the periphery of the second insertion opening formed in the male member are provided. In addition, the loop can be inserted from the middle of the string at the same time and the operability can be increased, and there is no possibility that the string will be pulled out even if the string is pulled. Moreover, it is not necessary to attach a ring or the like to prevent the string from being pulled out.
Moreover, since the said rib was formed in the long-axis center of the 2nd insertion port formed in the substantially oval or elliptical shape, it can prevent that a string pulls out.
Further, since the rib is formed so as to protrude upward from the lower peripheral edge of the second insertion opening, it is possible to prevent the string from being pulled out.
Further, when the string is passed through the insertion port, the ribs are not easily obstructed, and the string insertion work is easy.
Moreover, since the said rib has the length substantially equal to the width dimension of a male member, it can prevent that a string pulls out reliably.
Further, since the spring means is formed integrally with the male member, the number of parts can be reduced.

FIG. 1 is a front view of a string fastener showing an embodiment of the present invention. FIG. 2 is a side view of the string fastener. FIG. 3 is a front view of a female member constituting the string fastener. 4 is a cross-sectional view taken along line AA in FIG. FIG. 5 is a side view of a female member constituting the string fastener. 6 is a cross-sectional view taken along line BB in FIG. FIG. 7 is a front view of a male member constituting the string fastener. FIG. 8 is an explanatory view showing a usage mode of the string fastener. FIG. 9 is an explanatory view showing an example of a conventional two-hole type string fastener. FIG. 10 is an explanatory view showing an example of a conventional one-hole type string fastener.

  The string fastener of the present invention is to press the male member spring-biased in the protruding direction against the urging force, thereby matching the position of the insertion port and inserting and fixing the string, Since the rib projecting inward from the peripheral edge of the insertion port formed in the male member is provided, the string can be passed through the single insertion port in the loop state from the middle of the string and can be prevented from coming off. .

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating an embodiment. 1 is a front view of a string fastener showing an embodiment of the present invention, FIG. 2 is a side view of the string fastener of the present invention, FIG. 3 is a front view thereof, and FIG. 4 is a cross-sectional view taken along line AA in FIG. FIG. Here, the string fastener 10 has a female member 12 having a first insertion port 11 for passing a string and a second insertion port 13, and a male member slidably inserted into the female member. A member 14 and a spring means 15 for urging the male member 14 in a direction protruding from the female member 12 are provided, and the male member 14 is pressed against the urging force of the spring means 15 so that the first and second members are pressed. The ribs 16 projecting inward from the peripheral edge of the second insertion port 13 formed in the male member 14 are fixed by inserting the string with the positions of the insertion ports 11 and 13 being matched. I have.

  As shown in FIGS. 3 to 6, the female member 12 is formed in a flat bottomed cylindrical shape in this embodiment, and has an opening 12 a through which the male member 14 is inserted at the upper end. Further, the female member 12 is formed with a belt hole 17 through which a belt or the like can be inserted, and the string fastener 10 itself can be attached to the attachment member with a belt or the like. Further, a first insertion port 11 is formed through the left and right side walls 12 b near the upper end of the female member 12. The first insertion port 11 is formed in a substantially oval or elliptical shape.

As shown in FIG. 7 and the like, the male member 14 includes a head 18 larger than the opening 12a of the female member 12, a flat main body 14a that can be inserted into the female member 12, and a direction perpendicular to the axis of the main body 14a. And a stopper 19 that engages with a part of the female member 12 to prevent the second insertion hole 13 from penetrating. The second insertion port 13 is substantially the same size as the first insertion port 11 and is formed in a substantially oval or elliptical shape.
Further, a rib 16 is formed so as to protrude from the lower peripheral edge of the second insertion port 13 toward the inside (upper side). Further, the rib 16 is formed at the center of the long axis of the second insertion port 13 and has a length substantially equal to the width dimension H of the flat main body portion 14a (see FIG. 2). The cross-sectional shape of the rib 16 rises gently from the lower peripheral edge of the second insertion opening 13 and has a substantially semicircular top.
The stopper 19 is disposed under the rib 16 of the main body portion 14a, protrudes in the lateral direction, abuts on the upper edge of the first insertion port 11 of the female member 12, and limits the protruding amount of the male member 14. .

  In this embodiment, the spring means 15 is made of a plate-like elastic material bent into a corrugated shape, and a substantially cylindrical contact portion 15a is formed at the tip. In the present embodiment, the male member 14 and the synthetic resin are integrally formed. The contact portion 15 a is configured to contact the inner bottom of the female member 12 and always be in line contact with the inner bottom surface regardless of the amount of deformation of the spring means 15.

  The operation of the string fastener 10 configured as described above will be described with reference to FIGS. FIG. 1 shows a state before the string is inserted into the string fastener 10, and the male member 14 urged in the protruding direction by the spring means 15 is restricted from protruding by a stopper 19. From this state, after the male member 14 is pressed and the positions of the first insertion port 11 and the second insertion port 13 are aligned, the two strings L can be inserted simultaneously in a loop shape. Further, even if an attempt is made to pull out the inserted string, the rib 16 is positioned between the looped strings L as shown in FIG. The string fastener 10 can be fixed to a backpack or clothes by inserting a belt through the belt hole 17.

  In the present invention, two cords L can be inserted in a loop shape at the same time, the insertion work can be easily performed, and even if the end of the cord is pulled, it does not fall out, and it is not necessary to attach a retaining ring. Therefore, workability can be improved in a garment sewing factory or the like.

  In the above embodiment, the example in which the spring means is composed of a plate-like elastic material bent into a wave shape has been described. However, the present invention is not limited to this, and the spring means is composed of a coil spring, a linear spring, or the like. There may be.

DESCRIPTION OF SYMBOLS 10 String fastener 11 1st insertion port 12 Female member 12a Opening part 12b Side wall 13 2nd insertion port 14 Male member 14a Body part 15 Spring means 16 Rib 17 Belt hole 18 Head 19 Stopper

Claims (5)

A female member having a first insertion port for passing a string;
A male member having a second insertion opening and slidably inserted into the female member;
Spring means for biasing the male member in a direction protruding from the female member,
A string fastener for inserting and fixing the string by matching the positions of the first and second insertion ports by pressing the male member against the biasing force of the spring means,
A string fastener comprising a rib projecting inward from a peripheral edge of a second insertion port formed in the male member.   The string fastener according to claim 1, wherein the rib is formed at the center of the long axis of the second insertion port formed in a substantially oval or elliptical shape.   The string fastener according to claim 1 or 2, wherein the rib is formed so as to protrude upward from a lower peripheral edge of the second insertion opening.   The string fastener according to any one of claims 1 to 3, wherein the rib has a length substantially equal to a width dimension of the male member.   The string fastener according to any one of claims 1 to 4, wherein the spring means is configured integrally with the male member.

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