JP2014208292A - Cord lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce to the minimum a dimension of a cord lock in the push-in direction of a male fixture while having a structure in which the male fixture and a female fixture are not separated from each other irrespective of the energization of energizing means.SOLUTION: A cord lock R has a male fixture 1 and a female fixture 2 which accommodates a part of the male fixture 1 so as to be operable in the push-in of the male fixture while withstanding the energization of energizing means 3, and makes penetration holes 13, 22 of cords C formed at sides 11, 23 of the male fixture 1 and the female fixture 2 coincide with each other in a prescribed push-in position of the male fixture 1. On a point, on a side 11 positioned in a direction in which the side intersects with the penetration direction of the penetration hole 13 in the male fixture 1, which is positioned at this side Bw of the push-in of a hole edge 13a positioned at the forward side of the push-in of the penetration hole 13, there is formed a latching part 15 which is latched to a part 25 to be latched of the female fixture 2 by the energization of the energizing means 3, and inhibits the draw-out of the male fixture 1 from a position prior to the push-in operation.

Description

  According to the present invention, a cord lock can be fastened to an arbitrary position of a string, and the fastened state is released by pushing the male tool into the female tool against the bias. Regarding improvement.

  A male tool and a female tool that accommodates a part of the male tool so as to be able to be pushed in against the bias of the spring, and is formed on a side of the male tool and the female tool at a predetermined pushing position of the male tool. There is a cord lock configured to align the through-holes of the string. (See Patent Document 1) In the cord lock disclosed in Patent Document 1, in a state where the male tool is not pushed in, the protrusion formed below the male hole threaded hole is the female hole threaded hole. Thus, the male tool and the female tool are not separated even when the cord is not passed through the cord lock. However, in the cord lock configured as described above, there is a limit in reducing the size between the male tool through hole and the inner end of the male tool positioned on the pushing-in side, and accordingly, It was difficult to minimize the size of the cord lock in this direction.

Design Registration No. 1366452

  The main problem to be solved by the present invention is that this type of cord lock has a structure in which the male tool and the female tool are not separated regardless of the bias of the biasing means. This is to make the size of the cord lock in the pushing direction as small as possible.

In order to achieve the above object, in the present invention, the cord lock includes a male tool and a female tool that accommodates a part of the male tool so as to be able to be pushed in against a bias of the biasing means, A cord lock configured to align a string through-hole formed in a side portion of the male tool and the female tool at a predetermined pushing position of the male tool,
A side portion of the male tool in a direction intersecting with the through-penetration direction of the through-hole, and at a position located on the near side of the push-in side of the hole edge located on the push-in side of the through-hole, It is assumed that a hooking portion is formed that engages with the hooked portion of the female tool by urging to prevent the male tool from coming out of the position before the pushing operation.

  Such an engaging portion is a side portion in a direction intersecting with the penetrating direction of the through hole in the male tool, and is formed at a position located on the front side of the push hole with respect to the hole edge located on the push destination side of the through hole. Therefore, the dimension under the through hole in the male tool can be minimized, and therefore the dimension of the cord lock in the pushing direction of the male tool can be made as small as possible.

  The engaging part of the male tool is set as a protrusion protruding from the side part of the male tool, and a communication part for communicating the inside and outside of the female tool is formed on the side part of the female tool. If a part of the side portion of the female tool positioned between the upper surface positioned on the front side of the push-in is provided as a hooked portion that can be elastically deformed, the hook portion is covered in the process of inserting the male tool into the female tool. Allow the male tool to be introduced to the position where the hook part hits the hook part and the hook part enters under the hook part, and the male part is removed by elastic return of the hook part at the position where the hook part enters under the hook part. In a state where the pushing operation is not performed, the hooking portion is engaged with the hooked portion by the biasing means, and the male tool and the female tool are not separated even when the string is not inserted through the hole. be able to.

  A cross-sectional outline shape perpendicular to the pushing direction of the male tool is set to a shape complementary to the internal shape of the female tool, and the male tool is divided into two through the center of the male tool constituting the cross-sectional outline shape. If the contour on one side of the imaginary straight line and the contour on the other side have a point-symmetric shape with respect to the center of the male tool, then the male tool will The formed side portion is positioned on the side portion side where the through hole of the female tool is formed, and the side portion where the hook portion is formed is positioned on the side portion side where the hook portion of the female tool is formed. As a result, the assembly of the male tool and the female tool can be facilitated.

  According to the cord lock according to the present invention, the male tool and the female tool are not separated due to the engagement between the hooking portion and the hooked portion in a state where the string is not passed through regardless of the biasing force of the biasing means. In addition, the size of the cord lock in the push-in direction of the male tool can be made as small as possible while providing the engaging portion in this way.

FIG. 1 is a perspective view of a cord lock. FIG. 2 is a plan view of the cord lock. FIG. 3 is a bottom view of the cord lock. FIG. 4 is a front view of the cord lock. FIG. 5 is a right side view of the cord lock. 6 is a cross-sectional view taken along line AA in FIG. 7 is a cross-sectional view taken along line BB in FIG. FIG. 8 is a perspective view of the female tool. FIG. 9 is a plan view of the female tool. FIG. 10 is a bottom view of the female tool. FIG. 11 is a front view of the female tool. FIG. 12 is a right side view of the female tool. FIG. 13 is a perspective view of the male tool. FIG. 14 is a plan view of the male tool. FIG. 15 is a bottom view of the male tool. FIG. 16 is a front view of the male tool. FIG. 17 is a right side view of the male tool. FIG. 18 is a cross-sectional view of the cord lock in a state where the string is passed.

  Hereinafter, typical embodiments of the present invention will be described with reference to FIGS. The cord lock R according to this embodiment can be fastened to an arbitrary position of the string C, and the fastened state is pushed into the female tool 2 against the bias of the male tool 1. It is structured to be solved by. As long as the cord C can be fastened in this manner, the shape (round cord, flat cord, etc.), material and structure (knitted cord, rubber cord, synthetic resin cord, etc.) It doesn't matter. Such a cord lock R is typically fastened to the string C in various articles having portions to be squeezed or tightened by the string C, and the fastening position thereof is changed. It is used to squeeze or loosen a special part.

  The cord lock R includes a male tool 1 and a female tool 2 in which a part of the male tool 1 is housed so as to be able to be pushed in against the biasing force of the biasing means 3. It is comprised so that the through-holes 13 and 22 of the string C formed in the side part of this male tool 1 and the female tool 2 may be aligned in a position. The cord C is passed through the cord lock R in a state where the through holes 13 and 22 are aligned in this way, or the fastening of the cord lock R to the already passed cord C is released. Then, the push-in operation on the male tool 1 is stopped and the male tool 1 is moved toward the position before the push-in operation by the urging, so that the through hole 13 of the male tool 1 and the through hole of the female tool 2 become inconsistent. The cord lock R is fastened to the cord C by holding the cord C passed through the cord 22. (FIG. 18) In the illustrated example, two through holes 13 and 22 are formed in the male tool 1 and the female tool 2, respectively. Thereby, in the example of illustration, the cord lock R is passed through the other of the two through holes 13 and 22 by passing the cord C passed through one of the two through holes 13 and 22 into the other of the two through holes 13 and 22. The knot can be substituted.

  In the illustrated example, the male tool 1 is configured to have a flat disk shape. The thickness direction of the male tool 1 coincides with the pushing direction x into the female tool 2. One wide surface of the male tool 1 is an operation surface 10 when the pushing operation is performed. A through-hole 13 for the string C is formed between the side portion 11 of the male tool 1, that is, between the operation surface 10 and the other wide surface 12 of the male tool 1 facing the operation surface 10. In the example shown in the figure, the wide surfaces 10 and 12 of the male tool 1 are each provided with four corner portions 14, 14..., And thus the side portion 11 is composed of four side portions 11a, 11a. The through-hole 13 of the string C penetrates the male tool 1 across the two side portions 11a, 11a located at the back-to-back positions. Through holes 13 are formed in the two side surfaces 11a and 11a, respectively, on one side and the other side sandwiching a substantially middle position between the two corner portions 14 and 14 in contact with the side surface portion 11a. Yes. A projecting portion 12 a having a cross shape is formed on the other wide surface 12 of the male tool 1. In the example shown in the figure, this protrusion 12a is fitted into a spring upper end 3a of a compression coil spring 3 'constituting an urging means 3 described later, and this spring 3' is combined with the male tool 1. .

  Of the four side surface portions 11a, 11a... Of the male tool 1, the two side surface portions 11a, 11a not provided with the through holes 13 are respectively engaged with the female tool 2 by the urging means 3. An engaging portion 15 is formed which engages with 25 and prevents the male tool 1 from coming out of the position before the pushing operation. In the illustrated example, the hooking portion 15 is provided at a substantially middle position between the two corner portions 14 and 14 where the side surface portion 11a on which the hooking portion 15 is formed contacts. In the illustrated example, the engaging portion 15 of the male tool 1 is configured as a protrusion protruding outward from the side surface portion 11 a of the male tool 1. The protrusion is a hooking surface 15b that is substantially perpendicular to the side surface portion 11a with the protruding surface located on the operation surface 10 side across the top portion 15a, and the opposite side of the hooking surface 15b across the top portion 15a. The protruding surface is an inclined surface 15c that approaches the operation surface 10 side toward the top portion 15a. At the same time, the engaging surface 15b of this protrusion is positioned at a position positioned on the front side Bw with respect to the hole edge 13a positioned on the pressing destination side Fw of the male tool 1 in the through hole 13. ing.

 That is, in this embodiment, the side portion 11 in the direction intersecting the penetrating direction of the through hole 13 in the male tool 1, and the hole edge 13 a positioned at the pushing destination side Fw of the through hole 13. Further, a hooking surface 15b to be the hooking portion 15 is formed at a position positioned on the near side Bw.

  On the other hand, the female tool 2 is configured to have a flat box shape. The thickness direction of the female tool 2 coincides with the pushing direction x of the male tool 1. The wide upper surface of the female tool 2 located on the front side Bw of the male tool 1 is opened, so that the male tool 1 is inserted into the female tool 2 from the open portion 20 from the side opposite to the operation surface 10. It has become. A through hole 22 for the string C is formed between the side portion 23 of the female tool 2, that is, between the open portion 20 and the bottom portion 21. In the illustrated example, the female tool 2 has a substantially rectangular box shape, and has four side surface portions 23 a, 23 a... Constituting the side portion 23. The through hole 22 of the string C is formed so as to communicate the inside and outside of the female tool 2 with the two side surfaces 23a, 23a located at the back-to-back positions. Through holes 22 are formed in the two side surfaces 23a and 23a, respectively, on one side and the other side of the side surface portion 23a sandwiching a substantially middle position in the left-right direction. A circular protrusion 21a is formed in the center of the inside of the bottom 21 of the female tool 2, and the circular protrusion 21a is fitted into a spring lower end 3b of a compression coil spring 3 ′ constituting an urging means 3 described later. It is like that.

  Further, a communication part 24 for communicating the inside and outside of the female tool 2 is formed on the side part 23 of the female tool 2, and the female tool 2 positioned between the communication part 24 and the upper surface of the female tool 2 is formed. A part of the side portion is a hooked portion 25 that can be elastically deformed. By making the female tool 2 a synthetic resin molded product, the hooked portion 25 can be easily imparted with elastic deformation characteristics. In the illustrated example, the communication portion 24 is formed in each of the side surface portions 23a in which the through holes 22 are not formed among the four side surface portions 23a, 23a. The communication part 24 is also opened on the bottom part 21 side. Out of the edges around the open part 20 of the female tool 2 by the communication part 24, the edge part located on the side part 23 a side where the communication part 24 is formed has two side surfaces where the through holes 22 are formed. It forms the bridge | crosslinking piece shape covering between the parts 23a and 23a, and this edge part functions as the said to-be-latched part 25. FIG.

  In the illustrated example, the urging means 3 is constituted by a compression coil spring 3 ′ configured to decrease the spring diameter from the spring upper end 3 a side toward the spring lower end 3 b side. The spring lower end 3b of this spring is positioned on the bottom 21 of the female tool 2 using the circumferential protrusion 21a, and the spring upper end 3a of the spring 3 'is positioned using the cross-shaped protrusion 12a. In a state where the male tool 1 is positioned on the side opposite to the operation surface 10, the male tool 1 is inserted into the female tool 2 with the side opposite to the operation surface 10 first, and in this insertion process, The cord lock R is configured by engaging the engaging portion 15 with the engaged portion 25. In this embodiment, the dimension between the top parts 15a of the pair of hooking parts 15 and 15 of the male tool 1 is slightly larger than the dimension between the pair of hooked parts 25 and 25 of the female tool 2. ing. During the insertion process, the hooked portion 25 is elastically deformed so that the inclined surface 15c of the hooking portion 15 abuts against the hooked portion 25 and widens the distance between the pair of hooked portions 25, 25. Thereby, the introduction of the male implement 1 is permitted up to a position where the top portion 15a of the engaging portion 15 enters under the engaged portion 25. When the top part 15a of the hooking part 15 enters under the hooked part 25, the hooked part 25 returns elastically. In the state where the male tool 1 is not pushed in, the hooking surface 15b of the hooking part 15 is hooked to the lower surface of the hooked part 25 by the biasing means 3, and the male tool 1 and the female tool 2 are connected to the string C. Even in a state where the through holes 13 and 22 are not inserted, they are not separated. In this state, the operation surface 10 side of the male tool 1 protrudes from the opening 20 of the female tool 2 so that the through hole 13 of the male tool 1 and the through hole 22 of the female tool 2 are not aligned. (FIG. 1) From the state of FIG. 1, the male tool 1 is resisted against the urging force of the urging means 3 to a position where the through hole 13 of the male tool 1 and the through hole 22 of the female tool 2 are aligned. By pushing, the cord C can be passed through the cord lock R, or the fastening state of the cord lock R to the cord C already passed through the cord lock R is released.

  The engaging portion 15 is a side portion 11 in the direction intersecting with the penetrating direction of the through holes 13 and 22 in the male tool 1, and is in front of the hole edge 13 a positioned on the pressing destination side Fw of the through hole 13. Since it is formed at the position located on the side Bw, the dimension under the through hole 13 in the male tool 1 can be minimized, and accordingly, the pushing direction x of the male tool 1 in the cord lock R can be reduced. It becomes possible to make the dimensions as small as possible.

  In this embodiment, the cross-sectional outline shape in the direction perpendicular to the pushing direction x of the male tool 1 is a shape complementary to the internal shape of the female tool 2, and the cross-sectional outline shape is The contour on one side of the virtual straight line z that bisects the male tool 1 through the center y of the male tool 1 and the contour on the other side are point-symmetric with respect to the center y of the male tool 1. It has a shape. (Fig. 14)

  In the illustrated example, among the four corner portions 14... 14 of the male tool 1, the two corner portions 14 and 14 located on one diagonal line (not shown) passing through the center y of the male tool 1 are small rounded. And the two corner portions 14 located on one other diagonal line (not shown) passing through the center y of the male tool 1 are configured to have a larger radius than this, As a result, the male tool 1 has a cross-sectional outline as described above. The opening 20 of the female tool 2 has its edge made to follow the cross-sectional outline of the male tool 1. As a result, the male tool 1 is positioned with respect to the female tool 2 so that the side part 11 in which the through hole 13 is formed is located on the side part 23 side in which the through hole 22 of the female tool 2 is formed. The side part 11 in which the part 15 is formed can be combined only in a state where the side part 11 is located on the side part 23 side in which the engaged part 25 of the female part 2 is formed, and the assembly of the male part 1 and the female part 2 can be combined. Simplification is achieved.

  Further, in the illustrated example, the belt-like body is formed by the arm portion 26 provided so as to extend from the side surface portion 23 a provided with the through hole 22 on the outer side of the side surface portion 23 a formed with the communication portion 24 in the female tool 2. A hanging portion 27 is erected.

DESCRIPTION OF SYMBOLS 1 Male tool 11 Side part 13 Through-hole 13a Hole edge 15 Engagement part 2 Female tool 22 Through-hole 23 Side part 25 Engagement part 3 Energizing means C String Fw Push destination side Bw Push front side

Claims (3)

A male tool and a female tool that accommodates a part of the male tool so as to be able to be pushed in against the urging force of the urging means, and is formed on a side portion of the male tool and the female tool at a predetermined pushing position of the male tool. A cord lock configured to align the threaded holes of the cords,
A side portion of the male tool in a direction intersecting with the through-penetration direction of the through-hole, and at a position located on the near side of the push-in side of the hole edge located on the push-in side of the through-hole, A cord lock characterized in that a hooking portion is formed which is engaged with a hooked portion of a female tool by urging to prevent the male tool from coming out of the position before the pushing operation. While the cross-sectional outline shape in the direction perpendicular to the pushing direction of the male tool is a shape complementary to the internal shape of the female tool,
A contour of one side of a virtual straight line that bisects the male tool through the center of the male tool constituting the cross-sectional outline shape and a contour of the other side are point-symmetrical with respect to the center of the male tool The cord lock according to claim 1, wherein: The hook of the male tool is a protrusion protruding from the side of the male tool,
A communication part that communicates the inside and outside of the female tool is formed on the side part of the female tool, and the female tool positioned between the communication part and the upper surface of the female tool positioned on the front side of the male tool is inserted. The cord lock according to claim 1 or 2, wherein a part of the side portion is a hooked portion that can be elastically deformed.

Images