JPH05317107A - Buckle - Google Patents

Abstract

PURPOSE:To enable a buckle to be manufactured by one kind of member molding dies and members to be saved by reversing one of two same shape connecting members S, S for use. CONSTITUTION:One of two same shape connecting members S, S is reversed so that a projecting piece 4 of one connecting member S is opposed to an opening 50 of the other member S into which the projecting piece 4 is inserted and then the projecting piece 4 is forcibly inserted into the opening 50. On the way of the forcible insertion, a locking part 40 is elastically deformed inside, while elastically recovered to the original state when the connecting members S, S are connected properly to each other and the outer surface of the locking part 40 projects from an operating outside opening 30. Under such a state, a support shaft 7 of one connecting member S is inserted into a support shaft inserting hole 8 of the outer connecting member S. The connecting members S, S are prevented from careless separation from each other by locking the locking part 40 in a wall constituting the inserting opening 50, and the connecting members S, S are prevented from deviation from each other by the relationship between the support shaft 7 and the support shaft inserting hole 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting tool (referred to as a buckle in this specification) used for a belt of a bag, ski wear and the like.

[0002]

2. Description of the Related Art A conventional buckle is generally composed of a male member and a female member integrally molded, and has a structure in which the male member and the female member can be connected / separated from each other by one touch with two fingers. However, the conventional buckle requires a male member mold and a female member mold because a male member and a female member having a different shape from the male member exist, and the male member and the female member have a pair. Therefore, for example, when a male member has a large number of molding defects, a large number of female members that are not defective are wasted.

[0004]

Therefore, in the present invention, it is possible to manufacture with one kind of member molding die,
An object of the present invention is to provide a buckle in which members are hardly wasted.

[0005]

According to the present invention, one of the two connecting members S having the same shape is inverted,
A buckle of a type for connecting the connecting members S, S to each other, wherein the connecting member S is a mounting portion 6 to which a belt-shaped body is mounted.
An elastic projecting piece 4 which is provided on a connecting surface between the connecting members S, S and has a protruding position closer to the first adjoining surface 2 adjacent to the connecting surface, and having a locking portion 40;
A vacant chamber 5 having an insertion opening 50 on the connection surface between the connection members S, S and having the opening position closer to the second adjacent surface 3 in a back-to-back relationship with the first adjacent surface 2, and the second adjacent surface. Three
And an external operation opening 30 that communicates the vacant chamber 5 with the outside. When the connecting members S, S are connected to each other, the protruding piece 4 of one connecting member S is connected.
Is inserted into the vacant chamber 5 of the other, and the locking portion 40 of the elastic protruding piece 4 is brought into a protruding state from the external operation opening 30.

[0006]

The present invention has the following actions. In the buckle of the present invention, one of the two connecting members S, S having the same shape is used by being inverted, and when connecting, the projecting piece 4 of one connecting member S is used for inserting the other. Opening 5
0 are opposed to each other, and the protruding piece 4 is forcedly inserted into the insertion opening 50. Then, the locking portion 40 of the elastic protruding piece 4 is brought into a protruding state from the external operation opening 30, and the connecting members S and S are mutually connected by the locking of the locking portion 40 and the constituent wall of the insertion opening 50. Will not be separated carelessly. Then, when the locking portion 40 that is in a protruding state from the external operation opening 30 is pushed in, the locked state is released and the state becomes separable.

The buckle of the present invention has the same function as that of the conventional buckle as described above, and further, one of the two connecting members S having the same shape is used by being inverted. Therefore, it can be manufactured by one type of member molding die, and the member is hardly wasted.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the invention of this application will be described below with reference to the drawings shown as embodiments. In the buckle of this embodiment, as shown in FIG. 1, the connecting surfaces are an upper surface 1a closer to the first adjacent surface 2, a lower surface 1c closer to the second adjacent surface 3, and the upper surface 1 described above.
It is a three-step surface of an intermediate surface 1b located between a and the lower surface 1c, and the upper surface 1a and the lower surface 1c have the same area. As shown in the figure, the connecting member S includes an elastic projecting piece 4 projecting from a central portion of the upper surface 1a located near the first adjacent surface 2 and a second adjacent surface of the connecting surface of the connecting member S. 3, a vacant chamber 5 provided in the central portion of the lower surface 1c, an external operation opening 30 provided on the second adjacent surface 3 so as to communicate with the vacant chamber 5, and a support shaft provided on the middle surface 1b. 7 and a support shaft insertion hole 8 and a mounting portion 6 provided at a portion opposite to the connecting surface. The connecting member S is integrally formed of elastic synthetic resin.

As shown in FIGS. 1 and 3, the elastic projection piece 4 has a locking portion 40 at its tip, and the locking portion 40 is formed by an arcuate piece that is convex outward. ing. As shown in the figure, the vacant chamber 5 has a rectangular parallelepiped shape and has an insertion opening 50 that opens to the lower surface 1c side. As shown in FIG. 3, the length of the external operation opening 30 is substantially the same as the length of the locking portion 40 described above.

As shown in the figure, the support shaft 7 and the support shaft insertion hole 8 are provided at positions symmetric with respect to the center point of the inner surface 1b. The size is such that 7 can be inserted tightly. As shown in FIG. 3, the mounting portion 6 has a cavity 60 that is open at the end and two vertically elongated holes 61 that are provided on both side walls of the cavity that forms the cavity 60.
As shown in FIG. 1, the strip-shaped body 9 is attached using the vertically elongated hole 61.

Since the buckle of this embodiment has the above-mentioned construction, the connection state shown in FIG. 2 or the separated state may be performed as follows. ． As shown in FIG. 1, two connecting members S having the same shape,
One of the S is inverted so that the protruding piece 4 of the one connecting member S faces the insertion opening 50 of the other, and then the protruding piece 4 is forcibly inserted into the insertion opening 50. ． During the forced insertion, the locking portion 40 is elastically deformed inward, but when the connecting members S and S are properly connected to each other, the locking portion 40 elastically returns to the outer surface of the locking portion 40 as shown in FIG. Is projected from the external operation opening 30. And in this state, as shown in FIG.
The support shaft 7 of one connecting member S is inserted into the support shaft insertion hole 8 of the other connecting member S. Therefore, the connecting members S, S are not inadvertently separated from each other due to the locking of the locking portion 40 and the constituent wall of the insertion opening 50, and the connection between the support shaft 7 and the support shaft insertion hole 8 is made. The members S, S will not be displaced. ． Then, when the connecting members S, S are separated from each other, the locking portion 40 protruding from the external operation opening 30 is simply pushed inward to connect the locking portion 40 and the constituent wall of the insertion opening 50. The locked state is released and the state becomes separable.

The buckle of this embodiment has the same function as that of the conventional buckle as described above, and is used by reversing one of the two connecting members S, S having the same shape. Therefore, it can be manufactured by one type of member molding die, and the member is hardly wasted. In the above embodiment, the connecting surfaces of the connecting members S, S are three-step surfaces of the upper surface 1a, the middle surface 1b, and the lower surface 1c, but are not limited to this, and the upper surface 1a, the middle surface 1b are not limited thereto.
The lower surface 1c may have the same plane, may have a two-step surface, and may have a plurality of corrugations.

The structure of the locking portion 40, the structure and arrangement of the support shaft 7 and the support shaft insertion hole 8, and the structure of the mounting portion 6 are as follows.
It is not limited to this embodiment.

[0014]

Since the present invention has the structure as described above, it has the following effects. As described in the section of action, the buckle of the present invention can be manufactured by one type of member molding die, and the member is hardly wasted. That is, it was possible to provide a buckle which can be manufactured by one type of member molding die and in which members are hardly wasted.

[Brief description of drawings]

FIG. 1 is a perspective view of a buckle according to an embodiment of the present invention in a separated state.

FIG. 2 is an external view of the buckle in a connected state.

FIG. 3 is a sectional view of the buckle in a connected state.

[Explanation of symbols]

 S connection member 2 first adjacent surface 3 second adjacent surface 4 elastic protruding piece 5 vacant chamber 6 mounting portion 9 band-shaped body 30 external operation opening 40 locking portion 50 insertion opening

Claims (2)

[Claims] 1. A buckle of the type in which one of two connecting members S, S having the same shape is inverted, and the connecting members S, S are connected to each other. Elasticity having a mounting portion 6 to be mounted and a protruding portion on the connecting surface between the connecting members S, S, and the protruding position thereof being closer to the first adjacent surface 2 adjacent to the connecting surface, and having a locking portion 40. A projecting piece 4 and a vacant chamber 5 having an insertion opening 50 on the connecting surface between the connecting members S, S and having the opening position closer to the second adjacent surface 3 in a back-to-back relationship with the first adjacent surface 2; An external operation opening 30 that opens to the second adjacent surface 3 and communicates the vacant chamber 5 with the outside, and one connecting member S protrudes in a state where the connecting members S and S are connected to each other. The piece 4 is inserted into the cavity 5 of that of the other and The buckle characterized in that the locking portion 40 of the elastic protruding piece 4 is in a protruding state from the external operation opening 30. 2. The buckle according to claim 1, wherein the connecting member S is integrally formed of elastic synthetic resin.