TWI587806B - Buckle - Google Patents

Description

buckle

The present invention relates to a buckle.

In various applications such as clothes, bags, shoes, and packaging materials, in order to connect the rope-like members to each other, a belt that detachably engages a plug (male member) and a socket (parent member) is used. buckle. In the buckle, the operation for loading and unloading is simple, and it is required to fall off accidentally without being intentional. As a product corresponding to such a request, a front release buckle that releases the engagement between the plug and the buckle by pressing the operation portion provided on the upper surface of the buckle seat is used.

For example, Japanese Patent No. 5552534 discloses an example of a forward-removable buckle provided on a surface of a buckle for attaching an engaging portion and a buckle included in the plug. The operation portion where the engaged portion is detached. [Prior Art Document] [Patent Literature]

[Patent Document 1] Japanese Patent No. 5552534

[Problems to be solved by the invention]

However, in the conventional buckle described in Patent Document 1, only the operation portion has a thin-walled hinge structure and is connected only to one surface of the buckle. Therefore, the operation portion is hooked on something and rolled up and damaged. Case. [Means for solving the problem]

Therefore, the present invention provides a buckle capable of suppressing breakage of the operation portion and improving the strength of the operation portion.

According to an aspect of the present invention, a buckle includes: a male member having a mounting portion capable of mounting a rope-like member at one end, and a plugging portion at the other end; and a female member including a receiving portion, the receiving portion including: The upper wall of the operation portion for engaging the male member to be disengaged, the lower wall facing the upper wall, and the left side wall and the right side wall connecting the upper wall and the lower wall, respectively, can be moved to the upper wall, the lower wall, and the left side The engaging and removing portion is inserted into the cavity defined by the wall and the right side wall, and one end of the operating portion is elastically deformably connected to the upper wall, and the other end of the operating portion is connected to the lower wall via the connecting portion, and the connecting portion is on the upper wall and the lower portion A fulcrum portion serving as a fulcrum when the operating portion is elastically deformed is provided between the opposing faces of the wall.

In one embodiment, the connecting portion includes: a first extending portion extending from the lower wall in the upward wall direction; and a second extending portion extending from the other end of the operating portion in the downward wall direction, the first The extension portion and the second extension portion are connected to the connection portion, and the fulcrum portion is formed at the connection portion.

In another embodiment of the present invention, the connecting portion includes: a first extending portion extending from the lower wall in the upward wall direction; and a second extending portion extending from the other end of the operating portion in the downward wall direction; The extension portion is connected to the second extension portion, and the fulcrum portion is formed at a connection portion between the first extension portion and the third extension portion.

In still another embodiment, the buckle according to the present invention includes a gap portion that can receive the connecting portion in a region of the lower wall that faces the connecting portion.

In still another embodiment of the present invention, the insertion and removal portion includes: a pair of guiding portions extending in an insertion direction of the female member, and a pair of leg portions disposed between the pair of guiding portions, each leg The part includes a script body extending in the insertion direction, and an engaging portion that protrudes outward from a side surface of the script body, and the upper wall includes left and right left upper wall portions and upper right wall portions that are disposed on the left and right side portions of the operation portion via the opening groove, and the upper left portion The wall portion and the right upper wall portion include an engaged portion that protrudes from the back surface of the left upper wall portion and the right upper wall portion toward the lower wall direction, and is engageable with the engagement portion, and the operation portion is provided with a card on the back surface. The convex portion that is elastically deformed in the downward wall direction, and the convex portion includes an inclined surface that gradually increases in thickness from one end to the other end of the operation portion.

In still another embodiment, the buckle according to the present invention includes the case where the extending groove is continuously disposed in the left and right opening grooves formed in the operation portion, the extending groove and the one end of the operation portion being connected to the upper wall The hinge portions are adjacent. [Effects of the Invention]

According to the present invention, it is possible to provide a buckle capable of suppressing breakage of the operation portion and improving the strength of the operation portion.

Embodiments of the present invention will be described with reference to the drawings. The embodiment shown below exemplifies an apparatus or a method of using the technical idea of the present invention. However, the technical idea of the present invention does not specify the structure, arrangement, and the like of the component parts.

As shown in Fig. 1, a buckle 1 according to an embodiment of the present invention includes a male member 2 and a female member 4 to which the male member 2 is engaged. The male member 2 has a belt adjusting portion 20 including a mounting portion 24 to which a rope-like member can be attached, and a plugging portion 30 at the other end.

In the description of the present embodiment, the male member 2 and the female member 4 are observed from the center line Y (see FIG. 1) that passes through the center of the male member 2 and the female member 4 and is parallel to the insertion direction X of the male member 2. In the case of each member, the direction farther from the center line Y is referred to as "outside". Further, the area on the left side of the paper surface is viewed from the center line Y as the "left" side, and the area on the right side of the paper surface is described as the "right" side. Further, the surface of the male member 2 and the female member 4 on the side of the male member 2 and the female member 4 shown in FIG. 1 will be described as "surface (or "upper surface")", and the male member 2 facing the surface will be described. The surface of the mother member 4 will be described as "back surface (or "lower surface"). In the following description, the "up-and-down direction (front-back direction)" means the direction from the surface of the male member 2 and the female member 4 shown in FIG. 1 toward the surfaces of the male member 2 and the female member 4 facing the surface ( For example, in the paper surface direction of FIG. 6(a), the "left-right direction" means the left-right direction of the paper surface of FIG.

The belt adjusting portion 20 includes: a pair of right and left vertical members 21; a first cross member 22 extending between the vertical members 21 at one end of the vertical member 21, extending between the vertical members 21 at the other end of the vertical member 21 The second cross member 23 disposed in parallel with the first cross member 22 and the mounting portion 24 disposed between the first cross member 22 and the second cross member 23 are provided. For example, it can be attached to the mounting portion 24 by winding a rope-like member such as a belt or a belt.

The insertion/removal portion 30 includes a pair of guide portions 31 from the other end of the belt adjustment portion 20 (the other end side of the surface of the second cross member 23 with the adjustment portion 20) to the insertion direction X of the male member 2 ( In other words, it means extending in a direction substantially perpendicular to the longitudinal direction of the first cross member 22, the second cross member 23, and the attachment portion 24 of the belt adjustment portion 20, and the pair of leg portions 33 are disposed on the guide portion 31. between.

Each of the guide portions 31 has a longitudinal direction extending in the insertion direction X of the female member 4, and an inclined surface 31A is provided at the distal end portion, and the inclined surface 31A is tapered from the front side so as to gradually decrease in thickness toward the distal end. The back side is gradually inclined. The thickness of the guide portion 31 in the front and back directions is formed to be smaller than the thickness of the front and back direction of the belt adjusting portion 20.

The pair of leg portions 33 are connected to the belt adjusting portion 20 via the hinge portion 32 on the side of the male member 2 which is thinner than the leg portion 33 in the front and rear direction, and are elastically deformable in the front and back directions of the leg portion 33. The left and right leg portions 33 have shapes that are respectively mirror-symmetrical with respect to the center line Y of the male member 2. The thickness of the leg portion 33 is formed to be smaller than the thickness of the guide portion 31.

Each of the leg portions 33 includes a script body portion 34 that extends in the insertion direction X, and an engaging portion that is formed integrally with the script body portion 34 and that protrudes outward (to the left and right in the paper surface) with respect to the side surface 34B of the script body portion 34. 35. The tip end portion of the script body portion 34 and the engaging portion 35 is provided with an inclined surface 34A that is inclined such that the thickness in the front and back directions gradually decreases as it approaches the tip end. As will be apparent from the description of the engagement operation and the engagement release operation of the buckle 1 to be described later, by forming the inclined surface 31A and the inclined surface 34A, the engagement between the male member 2 and the female member 4 can be performed more smoothly. The engagement is released.

The female member 4 includes an accommodating portion 40 for accommodating the insertion/removal portion 30 of the male member 2, and a mounting portion 50 disposed at one end of the accommodating portion 40. For example, it can be attached to the mounting portion 50 by winding a rope-like member such as a belt or a belt.

The accommodating portion 40 includes an upper wall 41, a lower wall 42 facing the upper wall 41, and a left side wall 43 and a right side wall 44 that connect the upper wall 41 and the lower wall 42, respectively. The upper wall 41 is provided with an operation portion 45 for engaging and disengaging the male member 2 . The accommodating portion 40 has a cavity 46 defined by the upper wall 41, the lower wall 42, the left side wall 43, and the right side wall 44, and is inserted into the cavity portion 46 to be inserted into the male member 2 Hehe.

The operation portion 45 is disposed at a central portion of the upper wall 41 and is elastically deformable from the direction in which the upper wall 41 extends to the lower wall 42 (vertical direction). By pressing the operation portion 45 in the direction of the lower wall 42, the engagement state of the insertion/removal portion 30 engaged in the cavity 46 can be released. One end of the operation portion 45 is elastically deformably connected to the upper wall 41 by the hinge portion 420 on the side of the mother member 4 which is thinner than the thickness of the operation portion 45 in the front-rear direction. A coupling portion 47 is provided at the other end of the operation portion 45 that faces the one end of the operation portion 45.

For example, as shown in FIG. 7( a ), the operation unit 45 is connected to the lower wall 42 via the connection portion 47 . As shown in Fig. 7(b), the connecting portion 47 is provided between the opposing faces of the upper wall 41 and the lower wall 42 (more specifically, between the lower surface of the upper wall 41 and the upper surface of the lower wall 42). The fulcrum portion 470 of the fulcrum when the operation portion 45 is elastically deformed. By providing the fulcrum portion 470 between the upper wall 41 and the lower wall 42, even if a force is applied to the direction in which the operation portion 45 is wound up, it is less likely to be broken, and the strength of the operation portion 45 can be improved.

As shown in Fig. 7 (a), the connecting portion 47 includes a first extending portion 471 extending from the lower wall 42 in the direction of the upper wall 41, and a second extending portion extending from the other end of the operating portion 45 toward the lower wall 42. 472 and the third extension portion 473 that connects the first extension portion 471 and the second extension portion 472, the fulcrum portion 470 is formed at a connection portion between the first extension portion 471 and the third extension portion 473. In other words, the first extending portion 471, the second extending portion 472, and the third extending portion 473 define the connecting portion 47 having a substantially S-shaped shape. Thereby, the overall size (length) of the coupling portion 47 can be made large, and the operation portion 45 can be elastically deformed with a slight pressing force, and the operation portion 45 can be easily pressed.

In a state where the operation portion 45 is not elastically deformed, as shown in FIG. 7(a), the first extension portion 471 extends in a direction substantially perpendicular to the surface of the lower wall 42, and the second extension portion 472 is along the upper wall 41. The surface extends in a substantially vertical direction, and the third extending portion 473 extends in a direction substantially parallel to the surface of the lower wall 42. When the operation unit 45 is pressed, as shown in FIG. 7( b ), the fulcrum portion 470 does not move, and the second extension portion 472 and the third extension portion 473 connected to the operation unit 45 are directed toward the lower wall 42 . push down.

As shown in FIG. 2, a gap portion 42A that can receive the coupling portion 47 is provided in a region of the lower wall 42 that faces the coupling portion 47. The gap portion 42A has a long groove shape in which the lower wall 42 penetrates in the vertical direction in the insertion direction X. Thereby, when the operation portion 45 is pressed down, the connection portion 47 can be prevented from coming into contact with the lower wall 42. Therefore, the breakage of the connection portion 47 can be suppressed, and the amount of displacement of the elastic deformation of the operation portion 45 can be made larger in the up and down direction. .

A groove portion 45A for allowing the operator to easily press down the operation portion 45 may be formed on the surface of the operation portion 45. The shape of the groove portion 45A is not particularly limited, and as shown in FIG. 2, a plurality of grooves having a longitudinal direction in a direction substantially perpendicular to the insertion direction X may be provided, and as shown in FIG. 13, they may be arranged in a matrix. Multiple slots.

As shown in FIG. 3, an opening groove 410 is formed on the left and right side surfaces of the operation portion 45 formed on the upper wall 41. The upper wall 41 includes a left upper wall portion 48 and a right upper wall portion 49 which are respectively disposed via the opening grooves 410. As shown in the cross-sectional view of Fig. 6(a), the right upper wall portion 49 is provided with an engaged portion 55 that protrudes from the back surface 49A of the right upper wall portion 49 toward the lower wall 42. The engaged portion 55 includes an inclined surface 55A that is inclined so as to increase its thickness (upper and lower dimensions) in the insertion direction X of the leg portion 33; the engaged surface 55B is connected to the inclined surface 55A from the right upper wall portion 49. The back surface 49A extends in the direction of the lower wall 42. Although not shown in the drawings, the left upper wall portion 48 also includes an inclined surface 55A and an engaged surface 55B, similarly to the right upper wall portion 49. A convex portion 51 is provided on the back surface of the operation portion 45, and the convex portion 51 includes an inclined surface 51A whose thickness gradually increases from one end of the operation portion 45 toward the other end (insertion direction X).

As shown in FIG. 6(c), when the male member 2 and the female member 4 are engaged with each other, the inclined surface 51A of the convex portion 51 faces the inclined surface 34A of the leg portion 33, and the engaged surface 55B of the engaged portion 55 is engaged. It is locked by coming into contact with the engaging surface 35B of the engaging portion 35. When the engagement is disengaged, the operation portion 45 is pressed downward in the direction of the lower wall 42, and the engagement between the engaged surface 55B and the engagement surface 35B is released, and the operator can insert the leg portion 33 in the insertion direction X. Pull in the opposite direction.

As shown in FIG. 6(b), a leg receiving groove 56 that penetrates the lower wall 42 is provided in a region of the lower wall 42 that faces the convex portion 51. As shown in FIG. 5, the leg receiving groove 56 is formed so as to surround and engage the engaging portion 35 of the leg portion 33. When the leg receiving groove 56 is formed, when the operation portion 45 is pressed and the engagement between the male member 2 and the female member 4 is released from the engaged state shown in FIG. 6(c), the front end and the lower wall of the leg portion 33 can be suppressed. 42 contact and damaged.

As shown in FIG. 4, the connecting portion 47 is preferably disposed to extend in the center portion of the female member 4. Thereby, when the male member 2 is inserted obliquely into the female member 4, the connecting portion 47 comes into contact with the leg portion 33, and the connecting portion 47 exerts the effect of guiding the leg portion 33, so that erroneous insertion can be suppressed.

As shown in FIG. 2, the female member 4 preferably includes an extending groove 411 which is connected to the left and right opening grooves 410 formed in the operating portion 45. The extending groove 411 is adjacent to the hinge portion 420 on the side of the female member 4, and extends outward from the opening groove 410, and extends in the left-right direction of the female member 4, respectively. By providing the extending groove 411, even when the force to be twisted is applied to the operation portion 45 from the obliquely upward direction to the obliquely downward direction, the force can be absorbed by the extending groove 411, so that the operation portion 45 can be prevented. Break and increase its strength.

When the male member 2 of the buckle 1 according to the embodiment of the present invention is engaged with the female member 4, the insertion/removal portion 30 of the male member 2 is inserted into the cavity of the housing portion 40 of the female member 4 along the insertion direction X. 46 inserted. At this time, as shown in FIG. 4, even when the male member 2 is inserted obliquely with respect to the female member 4, the leg portion 33 can be guided into the cavity 46 along the connecting portion 47, so that the insertion work becomes easy.

When the leg portion 33 of the insertion portion 30 is inserted into the cavity 46, as shown in FIG. 6(b), the inclined surface 34A of the leg portion 33 comes into contact with the inclined surface 55A of the engaged portion 55 of the female member 4. Further, when the operator applies a force in the insertion direction X, the inclined surface 34A of the leg portion 33 slides along the inclination of the inclined surface 55A of the engaged portion 55, whereby the front end of the leg portion 33 faces the lower wall 42 Elastic deformation. Further, when the operator applies a force in the insertion direction X, the front end of the leg portion 33 passes over the engaged portion 55, and as shown in FIG. 6(c), the inclined surface 51A and the inclined surface of the convex portion 51 of the operation portion 45 are provided. 34A is opposed to each other, and the engaging surface 35B of the engaging portion 35 is engaged with the engaged surface 55B of the engaged portion 55. Thereby, the engagement of the male member 2 with the female member 4 is completed.

When the male member 2 of the buckle 1 according to the embodiment of the present invention is released from engagement with the female member 4, the periphery of the groove portion 45A of the operation portion 45 shown in Fig. 7(a) is lowered by the operator's finger or the like. 42 direction press. When the operation unit 45 is pressed, as shown in FIG. 7B, the second extension portion 472 and the third extension portion 473 connected to the operation portion 45 are elastically deformed toward the lower wall 42 with the fulcrum portion 470 as a fulcrum. . As a result, as shown in FIG. 7(c), the convex portion 51 provided in the operation portion 45 gradually presses the inclined surface 34A of the leg portion 33 downward in the direction of the lower wall 42, whereby the engaging surface 35B of the engaging portion 35 and Since the engagement of the engaged surface 55B of the engaged portion 55 is detached, the insertion portion 30 can move in the opposite direction to the insertion direction X. In this state, the operator moves the insertion/removal portion 30 in the opposite direction to the insertion direction X, thereby releasing the engagement between the male member 2 and the female member 4.

The present invention is described by the above-described embodiments, and the description and drawings which are part of the disclosure are not to be construed as limiting. Various alternative embodiments and techniques of operation will be apparent to those skilled in the art from this disclosure.

(First Modification) As shown in FIG. 8, in the buckle 1a of the first modification, the dimension L1 of the first extension portion 471 of the coupling portion 47 (the dimension in the direction parallel to the surface of the lower wall 42) is formed. It is larger than the dimension L2 of the second extension portion 472. Thereby, the strength of the joint portion 47 can be increased.

(Second Modification) As shown in FIG. 9 , in the buckle 1 b according to the second modification, the first extension portion 471 and the second extension portion 472 may constitute the connection portion 47 . In other words, according to the buckle 1b of the second modification, the coupling portion 47 includes the first extending portion 471 extending from the lower wall 42 in the direction of the upper wall 41, and the other end from the operating portion 45 of the upper wall 41 toward the lower wall 42. In the extended second extending portion 472, the fulcrum portion 470 is formed at a connecting portion between the first extending portion 471 and the second extending portion 472. According to the buckle 1b shown in Fig. 9, the total length of the joint portion 47 is shorter than that of the buckle 1 and the buckle 1a of Fig. 1 or Fig. 8, so that the elastic force can be improved.

(Third Modification) As shown in Figs. 10(a) and 10(b), the buckle 1c according to the third modification may further include a projection 470A that protrudes from the fulcrum portion 470 in the direction of the upper wall 41. When the projection portion 470A is formed, as shown in FIG. 10(b), when the operation portion 45 is pressed down, since the projection portion 470A is in contact with the lower surface 45B of the operation portion 45, the elastic deformation of the operation portion 45 can be suppressed. The amount of shift.

(Fourth Modification) As shown in FIG. 11 and FIG. 12, the buckle 1d of the fourth modification forms an inclined surface 35C thinner than the inclined surface 34A on the upper surface of each engagement portion 35, and between the script body portions 34 The interval S is formed larger than the interval between the script body portions 34 of Fig. 1, and the size of the connecting portion 47 in the left-right direction is formed larger than the connecting portion 47 of Fig. 1 . Since the thickness of the inclined surface 35C is smaller than that of the inclined surface 34A, the amount of displacement (up-and-down direction) of the elastic deformation of the leg portion 33 is reduced when the male member 2 is inserted into the female member 4, and it becomes easy to insert. Further, since the dimension of the connecting portion 47 in the left-right direction is formed larger than the connecting portion 47 of FIG. 1, the strength of the connecting portion 47 is improved.

(Fifth Modification) As shown in FIG. 13, in the buckle 1e of the fifth modification, the insertion portion 30 includes a pair of guiding portions 31 extending from the belt adjusting portion 20, and between the guiding portions 31. The leg portion 33 connected to the hinge portion 32 on the side of the male member 2 with the adjustment portion 20 is connected. The leg portion 33 includes a flat-shaped script body portion 34 that is flat in the left-right direction between the guide portions 31, and an engaging portion 35 that protrudes outward from the both side faces 34B of the script body portion 34, and is engaged with each other. The surface of the portion 35 is formed with an inclined surface 35C having a thickness smaller than that of the inclined surface 34A.

A pair of left and right coupling portions 47a and a coupling portion 47b are provided on the other end side of the side of the mother member 4 of the operation portion 45 of the female member 4 that faces the hinge portion 420. A convex portion 51 for pressing the inclined surface 34A of the leg portion 33 of the cavity 46 of the female member 4 is provided between the connecting portion 47a and the connecting portion 47b. As shown in FIG. 14, the connection portion 47a and the connection portion 47b extend in the cavity 46 in parallel with the insertion direction X. As shown in FIG. 15, when the male member 2 is engaged with the female member 4, the script body portion 34 is disposed between the operation portion 45, the coupling portion 47a, and the coupling portion 47b in the vertical direction. According to the buckle 1e shown in FIGS. 13 to 15, the surface area of the leg portion 33 of the male member 2 can be increased, and the connecting portion 47a and the connecting portion 47b can be provided at a plurality of locations, so that the buckle 1e capable of improving the strength can be provided. .

Further, in the embodiment of the present invention, the male member 2 has the belt adjusting portion 20, but the belt adjusting portion 20 may be disposed at least one of the male member 2 and the female member 4. The belt adjusting portion 20 Of course, the configuration may be formed on the female member 4 instead of being formed on the male member 2.

As described above, the present invention has been described by the above-described embodiments and modifications. However, the present invention is based on the specific matters of the invention as set forth in the appended claims, and is in the implementation stage without departing from the spirit thereof. The range is deformed and the income is embodied.

1, 1a, 1b, 1c, 1d, 1e‧‧‧ buckle
2‧‧‧public components
4‧‧‧Female components
20‧‧With adjustment department
21‧‧‧Vertical components
22‧‧‧1st cross member
23‧‧‧2nd cross member
24, 50‧‧‧ Installation Department
30‧‧‧Plug and insert
31‧‧‧ Guidance Department
31A, 34A, 35C, 51A, 55A‧‧‧ sloped surface
32‧‧‧ hinge part on the side of the male member
33‧‧‧foot
34‧‧‧ script body
34B‧‧‧ side
35‧‧‧Clock Department
35B‧‧‧ engaging surface
40‧‧‧ Housing Department
41‧‧‧Upper wall
42‧‧‧ Lower wall
42A‧‧‧Gap section
43‧‧‧ left wall
44‧‧‧ right wall
45‧‧‧Operation Department
45A‧‧‧Slots
45B‧‧‧ lower surface
46‧‧‧ cavity
47, 47a, 47b‧‧‧ link
48‧‧‧left upper wall
49‧‧‧Upper right wall
49A‧‧‧Back
51‧‧‧ convex
55‧‧‧Becamped
55B‧‧‧Activated face
56‧‧‧foot receiving trough
410‧‧‧Open slot
411‧‧‧Extension slot
420‧‧‧ hinge part on the side of the female member
470‧‧‧ fulcrum department
470A‧‧‧Protruding
471‧‧‧1st Extension Department
472‧‧‧2nd Extension Department
473‧‧‧3rd Extension Department
Size of L1‧‧‧1st extension
The size of the L2‧‧‧2nd extension
S‧‧‧ interval
X‧‧‧Insert direction
Y‧‧‧ center line

Fig. 1 is a schematic perspective view showing an example of a buckle according to an embodiment of the present invention. FIG. 2 is a schematic perspective view showing a state in which the male member of the buckle of FIG. 1 is engaged with the female member. 3 is a schematic plan view showing an example of a buckle according to an embodiment of the present invention. FIG. 4 is a partial cross-sectional view showing a state in which the male member according to the embodiment of the present invention is housed inside the female member and is engaged with each other. Fig. 5 is a partial cross-sectional view showing a state in which the male member and the female member are engaged with each other in the embodiment of the present invention. 6(a) to 6(c) are cross-sectional side views, taken along line B-B of Fig. 3, showing a procedure in which the male member according to the embodiment of the present invention is housed inside the female member until the engagement is completed. 7(a) to 7(c) are cross-sectional side views showing a state in which the male member and the female member according to the embodiment of the present invention are engaged with each other, and FIG. 7(a) and FIG. 7( b) shows a cross section along the line AA of Fig. 3, and Fig. 7(c) is an enlarged view of a broken line portion of Fig. 7(b). 8 is a partial cross-sectional side view showing a first modification of the buckle according to the embodiment of the present invention. Fig. 9 is a partial cross-sectional side view showing a second modification of the buckle according to the embodiment of the present invention. Fig. 10 (a) is a partial cross-sectional side view showing a third modification of the buckle according to the embodiment of the present invention, and Fig. 10 (b) is a partial cross-sectional view showing a state in which the operation portion of the buckle of Fig. 10 (a) is pressed. Side view. FIG. 11 is a schematic perspective view showing a fourth modification of the buckle according to the embodiment of the present invention. FIG. 12 is a partial cross-sectional view showing a state in which the male member of the buckle of FIG. 11 is engaged with the female member in the fourth modification. FIG. 13 is a schematic perspective view showing a fifth modification of the buckle according to the embodiment of the present invention. FIG. 14 is a schematic partial cross-sectional plan view showing an example of the buckle of FIG. 13 according to a fifth modification. Fig. 15 is a cross-sectional side view taken along line C-C of Fig. 14;

1‧‧‧ buckle

2‧‧‧public components

4‧‧‧Female components

20‧‧With adjustment department

21‧‧‧Vertical components

22‧‧‧1st cross member

23‧‧‧2nd cross member

24, 50‧‧‧ Installation Department

30‧‧‧Plug and insert

31‧‧‧ Guidance Department

31A, 34A‧‧‧ sloped surface

32‧‧‧ hinge part on the side of the male member

33‧‧‧foot

34‧‧‧ script body

34B‧‧‧ side

35‧‧‧Clock Department

40‧‧‧ Housing Department

41‧‧‧Upper wall

42‧‧‧ Lower wall

42A‧‧‧Gap section

43‧‧‧ left wall

44‧‧‧ right wall

45‧‧‧Operation Department

45A‧‧‧Slots

46‧‧‧ cavity

47‧‧‧Connecting Department

48‧‧‧left upper wall

49‧‧‧Upper right wall

51‧‧‧ convex

410‧‧‧Open slot

411‧‧‧Extension slot

420‧‧‧ hinge part on the side of the female member

X‧‧‧Insert direction

Y‧‧‧ center line

Claims (6)

A buckle comprising: a male member (2) having a mounting portion (24) capable of mounting a rope-like member at one end, a plugging portion (30) at the other end, and a female member (4) including a receiving portion (40) The accommodating portion (40) includes an upper wall (41) including an operation portion (45) for engaging and disengaging the male member (2), and a lower wall (42) facing the upper wall (41) And a left side wall (43) and a right side wall (44) connecting the upper wall (41) and the lower wall (42), respectively, by the upper wall (41), the lower wall (42), the left side wall (43) and the right side wall (44) define a cavity (46) inserted into the insertion and removal portion (30), one end of the operating portion (45) is elastically deformable Connected to the upper wall (41), the other end of the operating portion (45) is connected to the lower wall (42) via a connecting portion (47), and the connecting portion (47) is on the upper wall ( 41) A fulcrum portion (470) that serves as a fulcrum when the operation portion (45) is elastically deformed is provided between each of the opposing faces of the lower wall (42). The buckle according to claim 1, wherein the connecting portion (47) includes: a first extending portion (471) extending from the lower wall (42) toward the upper wall (41) And a second extension portion (472) from the other end of the operation portion (45) Extending in the direction of the lower wall (42), the first extending portion (471) is connected to the second extending portion (472) at a connecting portion, and the fulcrum portion (470) is formed at the connecting portion . The buckle according to claim 1, wherein the connecting portion (47) includes: a first extending portion (471) extending from the lower wall (42) toward the upper wall (41) a second extension portion (472) extending from the other end of the operation portion (45) toward the lower wall (42); and a third extension portion (473) for extending the first extension The installation portion (471) is connected to the second extension portion (472), and the fulcrum portion (470) is formed in the connection between the first extension portion (471) and the third extension portion (473). section. The buckle according to any one of claims 1 to 3, wherein a region of the lower wall (42) facing the connecting portion (47) is provided to receive the connecting portion The gap portion (42A) of (47). The buckle according to any one of claims 1 to 3, wherein the insertion and removal portion (30) includes: a portion extending in an insertion direction (X) toward the female member (4) a pair of guiding portions (31) and disposed between the pair of guiding portions (31) a pair of leg portions (33), each leg portion (33) including: a script body portion (34) extending in the insertion direction (X), and a side surface (34B) of the script body portion (34) An outer protruding portion (35), wherein the upper wall (41) includes left and right left upper wall portions (48) and upper right wall portions (49) disposed through the opening groove (410) of the operation portion (45) The left upper wall portion (48) and the right upper wall portion (49) include an engaged portion (55) from the left upper wall portion (48) and the upper right wall The rear surface of the portion (49) protrudes in the direction of the lower wall (42) and is engageable with the engaging portion (35), and the operation portion (45) is provided on the back surface such that the engaging portion (35) a convex portion (51) elastically deformed toward the lower wall (42), the convex portion (51) having a thickness gradually increasing from the one end toward the other end of the operation portion (45) Inclined surface (51A). The buckle according to any one of claims 1 to 3, wherein the extension groove (411) is continuously disposed in the left and right opening grooves formed in the operation portion (45) 410), the extension groove (411) and a hinge portion (420) that connects one end of the operation portion (45) to the upper wall (41).