JPH09187308A - Connecting buckle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a buckle part from being suddenly ruptured to suddenly release the connected state by building all members of a female member in a buckle. SOLUTION: A female member 10 has elastic pieces 11 on both sides, guides 13 on both insides, and a top plate 12 on the top, the top plate 12 has a reverse wedge-shaped locking tooth 14 on the inside surface of the top plate 12, and the elastic piece 11 has a projection 111 in conformation of the locking tooth 14 and a movement stopping part 112 on the top part. Thus, when a tooth band 20 is inserted to the female member 10, it is laid in the connected state by the gearing of a tooth part 21 formed on the tooth band 20 with the locking tooth 14, and when the elastic piece 11 is pushed in, the projection 111 moves the locking tooth 14 upward to release the connected state of the tooth part with the locking tooth 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buckle for connection, and more particularly to a buckle having a beautiful appearance by incorporating all internal members and having practicality.

[0002]

2. Description of the Related Art Conventionally, a buckle used for knapsacks, handbags, shoes, etc., has a tooth band having a locking tooth and a female member meshing with each other to push the elastic pieces inward from both sides of the buckle. It is roughly divided into two types, that is, the one that releases the engagement and the one that is made more elastic by adding an elastic body such as a spring to the elastic piece.

[0003]

First, the elastic pieces are pushed inward from both sides of the buckle to release the engagement of the band.
The types have the following problems. 1. The elastic piece projects outward and is inadvertently torn. 2. Insufficient elastic force of the elastic piece may cause disconnection. 3. If the elastic piece is pressed by an unsuitable or excessive pressure in use, it will rupture.

Next, the second type in which an elastic member such as a spring is added to the elastic piece to make it more elastic has the following problems. 1. The structure is complicated, the assembly is difficult, and the failure rate and the failure rate are high. 2. The number of parts increases and the cost increases.

In addition, the conventional method of connecting the female member and the male member of the buckle has many locking methods, and there is a problem that the connected state is easily disengaged.

[0006] The main object of the present invention is to provide a connection buckle having a neat appearance in which both elastic pieces do not protrude to the outside of the side wall of the female member.

A second object of the present invention is to provide a coupling buckle which has all the internal members built therein, has a beautiful appearance, and has practicality.

Further, an object of the present invention is to provide a connecting buckle in which the inner surface of the female member is arcuate and which corresponds to ergonomics.

Another object of the present invention is to provide the outer surface of the elastic piece with
Provided is a coupling buckle having a plurality of longitudinally arcuately arcuate slots to increase the frictional force when pushed.

Another object of the present invention is to provide a practical buckle having a simple structure, a low manufacturing cost and a practical use.

[0011]

DISCLOSURE OF THE INVENTION The present invention comprises an elastic member composed of a female member whose both ends are open, and a tooth band which can penetrate through the female member and are connected to each other. The inner surfaces of the two elastic pieces facing each other communicate with the inside of the female member, and in the connecting buckle having the top plate on the top of the female member, the inner surfaces of the both side walls of the female member facing each other. A guide for guiding the tooth band is provided on the inner surface of the top plate so as to project downwardly inverted trapezoidal type locking teeth, and the elastic pieces are provided with protrusions corresponding to the locking teeth.
At the tops of the both elastic pieces, there are provided stop portions that are located inside both side walls of the female member and face forward, and abut against the side walls, and when the tooth band is inserted from the rear end of the female member, The tooth portion provided on the tooth band meshes with the retaining tooth provided on the top plate to be in a connected state, and the tooth band advances from the female member by the guide of the guides provided on both side walls of the female member. When both elastic pieces move inward under pressure from the outside, the protrusions provided inside the elastic pieces press both sides of the retaining teeth to move the retaining teeth upward to move the retaining teeth to the tooth band. The connection state is released, and the tooth band can be pulled out from the female member by the guide of the guides provided on both side walls of the female member.

[0012]

An embodiment will be described below with reference to the drawings. FIG. 1 shows an external perspective view of a coupling buckle according to the present invention and a tooth band used for the buckle. In FIG. 1, the female member 10 is a hollow cylinder whose both ends are open, and a space inside thereof. Is adapted to penetrate a band-shaped tooth band 20. Elastic pieces 11 are provided on both sides of the female member 10 so as to face each other. The inner surfaces of the elastic pieces 11 facing each other are the female member 1 described above.
0 (see FIG. 6), and a top plate 12 is provided on the top of the female member 10.

FIG. 2 is a plan view of the female member according to the embodiment of the present invention, and FIG. 3 is a front view of the female member according to the embodiment of the present invention.
4 is a sectional view taken along line 4-4 of FIG. 3, and FIG.
A sectional view taken along line 5 is shown.

As shown in the above figure, the side wall 1 of the female member 10
A guide 13 is provided corresponding to the inner side surface of 01 (see FIG. 4 at the same time), and a retaining tooth 14 protruding downward is provided on the inner side surface of the top plate 12. The pawl 14 is from top to bottom,
It is formed in an inverted trapezoidal shape having an inclined surface portion 141 from the outside to the inside (see also FIG. 5 at the same time), for example, in an inverted C shape. The elastic piece 1 is made to correspond to the slope portion 141 of the retaining tooth 14.
1 is provided with a protrusion 111. Then, the stop portion 112 is formed on the upper side of both elastic pieces 11. The stop portion 112 is located at the top of the elastic piece 11 or inside both side walls 101 of the female member 10 (see FIGS. 5 and 8) and projects toward the front side. When the tooth band 20 is inserted from the rear end of the female member 10, the tooth portion 21 formed on the upper side of the tooth band 20 meshes with the locking tooth 14 formed downward on the inner surface of the top plate 12 (see FIGS. 5 and 6). ). Both sides 22 of the tooth band 20 advance from the female member 10 by the guides 13 provided at the corresponding positions of the both side walls 101 of the female member 10.

2 is a plan view of the female member in the embodiment of the present invention, FIG. 6 is a sectional view taken along line 6-6 in FIG. 2, and FIG.
The operation will be described with reference to the operation diagram when the elastic piece is pushed in in FIG.

As shown in the above figure, after inserting the tooth band 20 into the female member 10, the tooth portion 21 formed on the upper portion of the tooth band 20 meshes with the stop tooth 14 formed on the inner surface of the top plate 12 to form a tooth. The band 20 and the female member 10 are in a connected state.

When the elastic piece 11 is press-fitted from both outer sides of the female member 10 toward the inner side, the elastic piece 11 moves inward, and the projections 111 provided on the inner side of the elastic piece 11 have the inclined surfaces 141 of the locking teeth 14. Press to move the stop tooth 14 upward to release the engagement between the stop tooth 14 and the tooth portion 21 of the tooth band 20. Further, at this time, the adjustment of the tooth band 20 or the withdrawal from the female member 10 can be smoothly performed by guiding the both sides 22 of the tooth band 20 to the guide 13.

When the elastic piece 11 is pushed in as described above, a plurality of inner concave arcuate slots which are recessed inward in the vertical direction are provided on the outer surface, which is the pressing surface of the elastic piece 11, so that the frictional force is increased. It becomes easier to push in.

Another embodiment of the present invention will be described below with reference to FIG.

A fixed connecting portion, which is an elongated hole 102 for attaching the belt, is provided at the front end of the bottom portion of the female member 10 of the above embodiment shown in FIG. 1, and the fixed connecting portion has a rivet hole 103 as shown in FIG. Alternatively, they may be provided at the front and rear ends of the female member 10. The inner surface of the female member 10, that is, the surface in contact with a person, is formed into an arc shape in any of the above-described fixed connection portions so as to correspond to human body engineering.

[0021]

The present invention, which is configured as described above, has the following effects. As shown in FIG. 8, the elastic piece 11 has the stop portion 112 at the top thereof, and the stop portion 112 is provided inside both side walls 101 of the female member 10. 112 is the side wall 1
It is blocked by 01 and cannot be pulled out from the female member 10. As a result, the elastic piece 11 is prevented from bursting and the connected state is prevented from being inadvertently released, so that it is possible to provide a connecting buckle different from the related art.

In addition to this, since both elastic pieces 11 of the female member 10 are prevented from projecting outward from the side wall of the female member 10, a neat appearance without a protruding portion is obtained.

Furthermore, since the inner surface of the female member 10 is formed into an arc shape in accordance with human body engineering, it is comfortable to use.

Further, since the elastic piece 11 is provided with a plurality of vertically concave arcuate slots on the outer surface thereof, when the elastic piece 11 is pushed in, the frictional force is increased to facilitate pushing.

Further, the structure for obtaining the intended effect is simple, the manufacturing cost is low, and the structure is practical.

The above description is only for the embodiments of the present invention, and the practical effects thereof are clear, and any changes or modifications within the scope of the claims belong to the scope of the claims.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a connecting buckle of the present invention.

FIG. 2 is a plan view of the female member according to the embodiment of the present invention.

FIG. 3 is a front view of the female member according to the embodiment of the present invention.

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

FIG. 5 is a sectional view taken along the line 5-5 in FIG. 3;

FIG. 6 is a sectional view taken along the line 6-6 in FIG. 2;

7 is an operation diagram when the elastic piece of FIG. 6 is pushed in. FIG.

FIG. 8 is an external perspective view of an elastic piece according to the present invention.

FIG. 9 is an external perspective view of another embodiment of the present invention.

[Explanation of symbols]

 10 Female Member 101 Side Wall 102 Long Hole 103 Rivet Hole 11 Elastic Piece 111 Protrusion 112 Stopper 12 Top Plate 13 Guide 14 Stopper 141 Slope 20 Teeth Band 21 Teeth 22 Side

Claims (7)

[Claims] 1. A female member having open both ends, and a tooth band penetrating through the female member so as to be connectable, and elastic pieces facing each other are provided on both sides of the female member. Inner surfaces facing each other communicate with the inside of the female member, and in a connecting buckle having a top plate on the top of the female member, a guide for guiding the tooth band to the inner surfaces of both side walls of the female member facing each other. The projection is provided on the inner surface of the top plate so as to project downwards in an inverted trapezoidal shape, and the elastic pieces are provided with projections corresponding to the locking teeth, and the female members are provided on the tops of the elastic pieces. A stop portion that is located on the inner side of both sidewalls and faces forward is provided, and when the tooth band is inserted from the rear end of the female member, the tooth portion provided on the tooth band is attached to the top plate. The tooth band is engaged by engaging the above-mentioned set tooth and connecting. The protrusions provided on the inner sides of both elastic pieces move out from the female member by the guides provided on both side walls of the female member, and when the elastic pieces move inward by receiving pressure from the outside. Presses both sides of the retaining tooth to move the retaining tooth upward to release the connection state with the tooth band, and the tooth band is guided from the female member by the guides provided on both side walls of the female member. A connecting buckle that can be pulled out. 2. The connecting buckle according to claim 1, wherein both elastic pieces of the female member do not project outward from a side wall of the female member. 3. The coupling buckle according to claim 1, wherein the inner surface of the female member is arcuate. 4. A plurality of longitudinally inwardly arcuate arcuate slots are provided on the outer surfaces of both elastic pieces.
To the connecting buckle according to claim 3. 5. The connecting buckle according to claim 1, wherein a fixed connecting portion for connecting a belt is provided on at least one end side of the female member. 6. The buckle for connection according to claim 5, wherein the fixed connection portion is a rectangular hole. 7. The connecting buckle according to claim 5, wherein the fixed connecting portion is a rivet hole.