JP2533866Y2 - buckle - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a buckle for a male / female member, that is, a buckle in which a buckle body and a plug are inserted. It is about.

[0002]

2. Description of the Related Art In a conventional male / female member, for example, a buckle in which a buckle body and a plug body are inserted, openings are provided on both outer surfaces of the buckle body formed of a flat cylindrical box. The insertion body inserted into the buckle body has flexible arms protruding on both outer sides of the substrate, and locking acupressure parts protruding on the outer surfaces of the flexible arms. A buckle that engages with both of the openings (Japanese Utility Model Publication No. Sho 62-446).
No. 49) is known.

In addition, openings are provided on both outer surfaces of a buckle body formed of a flat cylindrical box, and an insertion member inserted into the buckle body has outwardly engaging locking claws at both ends. There is known a buckle in which a pair of legs provided is projected and engaging a locking claw of the legs with an opening of a buckle body, that is, a buckle for a helmet (see Japanese Utility Model Publication No. 56-53690). Have been.

[0004]

The known buckles or buckles described in the preceding paragraph each have openings on both outer surfaces of the buckle main body of a flat cylindrical box, and have a plug-in body inserted into the buckle main body. A flexible arm provided with a locking acupressure part which engages with the opening on both outer sides, or a leg formed with an outward locking claw at the end thereof is arranged side by side, and the opening and the locking acupressure part are provided. , Or with a locking claw, the engagement positions of both are located on both outer sides of the buckle or buckle, and if one of these is disengaged, the other engagement Rotation or twisting occurs between the buckle body and the insertion body with the position as a fulcrum, and the momentum of the fulcrum is also away from the center line of the stopper, so that the emergency And also disengage other normally engaged locking parts. Sister, is by force was also contribute to the damage of the fastener.

The present invention has been devised in order to solve the above-mentioned problem. The engagement position between the buckle main body and the insertion body is arranged on the axis of the insertion leg provided on the insertion body. With such a configuration, the buckle body and the insertion body are firmly engaged with each other, and when a detachment load is applied to the buckle, the legs are urged outward, and fluctuations of the legs are prevented. It is an object of the present invention to provide a sturdy buckle having a function of securely holding an engaged state.

[0006]

In order to achieve the above-mentioned object, the buckle of the present invention in which the buckle body 1 and the plug-in body 2 are inserted into a buckle body 1 is formed by a flat cylindrical box 4. Openings 6 and 6 are formed in both outer surfaces of the cylindrical box 4 so as to be cut out in an arc shape, and a pair of protruding locking parts 9, 9, 10 and 10 are formed on the left and right inner surfaces of the cylindrical box 4. Is arranged.
On the other hand, the insertion body 2 has a pair of flexible insertion legs 15, 15 projecting from one end of a substrate 14, and the locking portions 9, 9, 10 are provided on the axes of the legs 15, 15. , Facing 10
Engaging part 1 that can be engaged with locking parts 9, 9, 10, 10
6, 16, 17, 17 are provided on both sides of the legs 15, 15, and the openings 6,
The buckle has a main configuration in which bulging-out operating portions 18, 18 which are exposed from 6 and can be pressed from the outside of the cylindrical box 4 are integrally formed.

[0007]

Further, the cylindrical box 4 of the buckle body 1 and the plug 2
When the insertion / removal operation of the insertion body 2 is performed, the engaging portions 16, 16, 16
17, 17 is a locking portion 9 disposed on the upper and lower inner surfaces of the cylindrical box 4,
The buckle is formed in a form that avoids 9, 10, and 10 and prevents the legs 15 and 15 from moving outward when engaged.

[0009]

The buckle according to the present invention has the structure as described above, and is a buckle in which the buckle body 1 and the insert body 2 are inserted into the buckle body. When inserted, the legs 15, 15 of the plug-in body 2 are pressed against the side walls 22, 22 of the cylindrical box 4, and the legs 15, 15 are inserted while being pushed toward the center. The engaging portions 16, 16, 17, 17 provided on the sliding member 15 slide around the engaging portions 9, 9, 10, 10 provided on the inner surface of the cylindrical box 4, and move to the outside of the leg portions 15, 15. The operation units 18 and 18 provided are
When exposed in the openings 6 and 6 provided outside the
15 is expanded outward, and at the same time, the engaging portions 9, 9, 10, 10 provided on the cylindrical box 4 and the engaging portions 16, 16, 17, 17 provided on the legs 15, 15 are engaged. At the same time, the legs 15 and 15 are prevented from moving outward by the side wall 22 of the cylindrical box 4, and the insertion operation is completed.

The buckle release operation is performed by first operating the operation unit 18,
18 and the engaging portions 16, 16, 17, 1
7 is released from the engagement between the engaging portions 9, 9, 10, and 10, and if the operation for pulling out the insert 2 from the cylindrical box 4 is performed, the engaging portions 16 of the legs 15, 15 16, 17, 17 are cylindrical boxes 4
Of the operating parts 18, 1,
8 slides along the side wall 22 of the cylindrical box 4 and pulls out to complete the buckle release operation.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a buckle according to the present invention.

As shown in FIGS. 1 to 4, the embodiment of the buckle of the present invention is a male / female member formed of synthetic resin or the like. The buckle body 1 has a belt mounting portion 3 attached to a base end thereof, and is entirely formed of a flat cylindrical box 4. An insertion port 5 for inserting the insertion body 2 is formed at one end of the cylindrical box 4, and openings 6, 6 cut out in an arc shape on both outer surfaces are in communication with the insertion port 5. On the inner surfaces of the upper wall plate 7 and the lower wall plate 8 of the cylindrical box 4, protruding locking portions 9, 9, 10, and 10 are provided on both left and right sides. The engagement surfaces 10, 10 are slightly inclined in a C-shape with respect to the insertion direction.

Second locking portions 11 are formed on the edges of the openings 6 on the side of the insertion port 5, and the openings 6, 6 on the side of the belt mounting portion 3 are the plugs 2. Are formed on the side walls 22, 22 so as to prevent the front end portion from moving to both outsides. Further, a connecting portion 12 for connecting the upper wall plate 7 and the lower wall plate 8 is formed along the center of the cylindrical box 4, that is, along the center line,
The deformation of the cylindrical box 4 is prevented.

On the other hand, the plug body 2 has a belt mounting portion 1 at its base end.
3 is provided, and a pair of flexible insertion legs 15, 15 is projected from one end of the substrate 14, and engagement portions 16, 16 are provided on upper and lower surfaces on the axis of the insertion legs 15, 15. , 17, 17 are protruded, and the engagement surfaces of the engagement portions 16, 16, 17, 17 are formed so as to have a slightly C-shape in the insertion direction, and are provided on the cylindrical box 4. Engaging portions 9, 9, 10, and 10, respectively, and are formed so as to face each other.
The operation units 18 and 1 are provided on both outer surfaces of
8 are provided.

Further, second locking portions 19, 19 are recessed on the substrate 14 side of the operation portions 18, 18, and when the insertion body 2 is inserted into the buckle main body 1, the operation portions 18, 18 become cylindrical. The second engaging portions 19, 19 formed on the operation portions 18, 18 and the second engagement portions provided on the opening portions 6, 6 are formed so as to be exposed from the opening portions 6, 6, provided on the casing 4. The stoppers 11 are formed so as to engage with each other, and a projecting piece 21 having a recessed insertion portion 20 for inserting the distal end of the connecting portion 12 is formed at the center of the substrate 14. ing. In the drawing, reference numeral 23 denotes a belt.

[0016]

The buckle of the present invention has the configuration as described above, and the following effects are obtained by this configuration.

The buckle main body is formed of a flat cylindrical box, provided with openings on both outer surfaces of the cylindrical box, and provided with a pair of projecting locking portions on the left and right of the upper and lower inner surfaces. A pair of flexible insertion legs projecting from one end of the substrate, and an engagement portion that is opposed to the locking portion and can be engaged with the locking portion is provided on the axis of the leg. Since the operating portion for the pressing operation that is exposed from the opening is formed integrally on the outside, the engaging portion provided on the inner surface of the cylindrical box and the engaging portion provided on the insertion body are engaged. Since the position of the buckle is on the axis of the leg of the plug-in body, the detachment load applied to the leg is reliably received, and a strong buckle that is strong and can be engaged is obtained. In addition, pressing of the leg is easy,
There is an advantage that the buckle release operation can be performed accurately.

[0018]

Further, the cylindrical box and the insertion leg are provided such that the engaging portion avoids the locking portion during the insertion / removal operation of the insertion body, and the leg portion fluctuates outward during the engagement. The insertion and withdrawal operation of the plug-in body can be performed smoothly because it is formed in a form to block,
In addition, once engaged, the cylindrical box prevents unnecessary outward movement of the leg, so that the insertion member can be easily pulled out and removed, and a buckle with a good appearance can be obtained. There are advantages.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a detached state of a buckle.

FIG. 2 is a plan view showing an engaged state of a buckle.

FIG. 3 is a sectional view taken along line AA in FIG. 2;

FIG. 4 is a sectional view taken along line BB in FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Buckle main body 2 Insert body 3, 13 Belt attachment part 4 Cylindrical box 6 Opening part 9, 10 Locking part 14 Substrate 15 Insertion leg part 16, 17 Engaging part 18 Operation part

Claims (2)

(57) [Scope of request for utility model registration] 1. A buckle of an insertion type in which a belt attachment portion is provided at a base end of a buckle body and an insertion body,
The buckle body is formed of a flat cylindrical box, and openings are provided on both outer surfaces of the box, and a pair of projecting locking portions are provided on the left and right sides of the upper and lower inner surfaces. A pair of flexible insertion legs are provided on the outer periphery of the legs, and an engagement portion that is opposed to the locking portion and is engageable with the locking portion is provided on the axis of the legs. A buckle, wherein an operation part for a pressing operation that is exposed from the opening is integrally formed. 2. The cylindrical box and the insertion leg, wherein the engaging portion avoids the locking portion during the insertion / removal operation of the insertion body, and the engaging portion moves outward when engaged. claim 1 Symbol placement buckle made by forming the form to prevent.