JP2010264147A - Snap button - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a snap button allowing to keep engaging force between a female snap member and a male snap member, and to reduce the number of parts and manufacturing cost. <P>SOLUTION: The snap button includes the male snap member and the female snap member. The male snap member includes a male-type fitting plate penetrating one of the fabrics, a male-type cylindrical part covering the male-type fitting plate, a male-type head formed in an upper part of the male-type cylindrical part, and a brim which catches the fabric in a gap to the male-type fitting plate and extends from the male-type cylindrical part in approximately the same direction as the fabric. The female snap member includes a female-type head which penetrates the other fabric and is formed on a periphery of an opening of a female-type cylindrical part formed of metallic material, an engaging part for catching and fixing a female-type fitting plate and the fabric in a gap to the female-type head, and a projection projected from the female-type cylindrical part toward an inner diameter direction. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a snap button, and more particularly to a snap button in which a female snap is formed using eyelets.

  Conventionally, a snap button in which a female snap is formed using eyelets is known. For example, an annular receiving portion formed at the periphery of the opening of a cylindrical portion that penetrates one fabric, a spring built in the annular receiving portion, and the annular receiving portion are inserted and inserted into the fabric. A ring-shaped washer having an annular collar that is flush with the fabric, a decorative snap fitted to the annular receiving portion, a female snap comprising the other fabric, a crimping collar that penetrates the other fabric, the crimping collar and the What has the male snap which consists of the cylindrical part which pinches | interposes cloth | dough, the head formed in this cylindrical part, and the collar part which is formed in the said cylindrical part and becomes flush with the said cloth | dough Yes (see, for example, Patent Document 1).

  With this structure, the male and female snaps can be brought into close contact with each other, and the upper and lower fabrics can be engaged with no gaps, so that the appearance can be made beautiful. However, in the structure in Patent Document 1, a spring for engaging with the male snap is built in the female snap, and the female snap is composed of a relatively large number of components.

  On the other hand, unlike the snap button according to Patent Document 1, a snap button having a high engagement force with a male snap without using a spring is also known. In the structure, the snap button is a combination of a female snap formed with an inner curl portion around a hole provided in the center portion and a male snap adapted to be elastically engaged with the female snap. The male snap is made of plastic, and includes a support column, a spherical head provided on the top of the support column, a bulge formed around the spherical head, and an inner lower side of the bulge. And a cylindrical portion that extends downward and terminates at the free end (see, for example, Patent Document 2).

  With the structure according to Patent Document 2, the hollow portion is provided in the inner portion of the head portion, so that the head portion is easily deformed when the female snap is inserted into the hole, and the peripheral portion of the head portion is formed by the cylindrical portion. Since it is reinforced, the resistance to the lateral force during engagement with the expanding curled portion such as a female snap is improved.

No. 6-37704 Noto 2594702 gazette

  In Patent Document 2, the spring can be removed from the component parts of the snap button, and since the male snap is formed of plastic, it is molded even in a complicated shape such as providing a hollow portion. Although possible, the cost of the mold for forming the male snap may increase.

  Therefore, the present invention solves such problems, and provides a snap button that reduces the number of parts, maintains the engagement force between the female snap and the male snap, and reduces the production cost. Let it be an issue.

  In order to solve the above problem, the snap button according to claim 1 of the present invention includes a male mounting plate that penetrates one of the fabrics, and a male cylindrical portion that covers the male mounting plate. An eaves part extending in the same direction as the cloth from the male tubular part by sandwiching the cloth in the gap between the male head formed above the male tubular part and the male mounting plate A female snap attachment plate, a female head formed on the periphery of the opening of the female cylindrical portion formed of a metal material, and a female mounting plate in the gap between the female head And an engaging part that sandwiches and fixes the cloth and a female snap provided with a protruding part that protrudes in the inner diameter direction from the female cylindrical part.

  According to a second aspect of the present invention, there is provided a snap button comprising: a male mounting plate that penetrates one fabric; a male cylindrical portion that covers the male mounting plate; and a male cylindrical portion. A male snap provided with a male head formed above, and a flange extending substantially in the same direction as the fabric from the male cylindrical portion by sandwiching the fabric in a gap between the male mounting plate; A female mounting plate and a cloth are sandwiched between the female head formed on the periphery of the opening of the female cylindrical portion formed of a synthetic resin and penetrating the other cloth, and the female head. It is comprised from the engaging part to adhere | attach, and the female snap provided with the protrusion part which protrudes in an internal diameter direction from a female type | mold cylindrical part.

  The snap button according to claim 3 of the present invention is the snap button according to claim 1 or 2, wherein the protrusions are provided in at least two locations in the radial direction of the peripheral wall of the female cylindrical portion. It is what

  The snap button according to a fourth aspect of the present invention is the snap button according to the first or second aspect, wherein the protrusion is provided on the entire peripheral wall of the female cylindrical portion.

  The snap button according to claim 5 of the present invention is the snap button according to any one of claims 1 to 4, wherein the protrusion is in the vertical direction of the peripheral wall of the female cylindrical portion. It is provided in at least two places.

In the snap button according to the first and second aspects of the present invention, since the female snap is provided with a protrusion protruding in the inner diameter direction from the female cylindrical portion without using a spring, a metal material or a synthetic resin is provided. The female snap and the male snap can be engaged with each other by using the elastic force, and the number of parts can be reduced.
Further, when the snap button is engaged, the female head of the female snap and the male head of the male snap are exposed to the external appearance, so that the design of the snap button can be improved by combining the colors of both. .

  In the snap button according to claim 3 or claim 4 of the present invention, since the protrusions are provided in at least two locations in the radial direction of the peripheral wall in the female cylindrical portion or the entire peripheral wall, the engaging force between the female snap and the male snap Can be improved.

  In the snap button according to claim 5 of the present invention, since the protrusions are provided in at least two places in the vertical direction of the peripheral wall of the female cylindrical portion, the engagement force between the female snap and the male snap is obtained even with a thick fabric. Is not reduced.

It is front sectional drawing before engaging the female snap and male snap in the snap button in the Example of this invention. It is an expanded front sectional view after engaging the female snap and male snap in the snap button in the example of the present invention. It is a top view of the snap button in the example of the present invention. It is front sectional drawing of another specification of the female type | mold main body which comprises the snap button of this invention. It is the (a) top view and (b) front view which provided the projection part in four places of the surrounding wall of the female type | mold main body which comprises the snap button of this invention. It is the (a) top view and (b) front view which provided the projection part in the perimeter wall of the female type | mold main body which comprises the snap button of this invention.

  Hereinafter, a snap button according to an embodiment of the present invention will be described with reference to the drawings.

  The snap button according to the present invention includes a female snap 1 and a male snap 5 as shown in FIGS. The female snap 1 is mainly composed of a female main body 2 and a female mounting plate 3, and the male snap 5 is mainly composed of a male main body 6 and a male mounting plate 7.

  The female main body 2 constituting the female snap 1 is formed of a metal material, and has a female cylindrical portion 2b that penetrates the cloth F and is formed in a substantially cylindrical shape, and an opening peripheral portion of the female cylindrical portion 2b. It consists of a female head 2a extending in the outer diameter direction. Further, two protrusions 2c having a substantially circular cross section projecting in the inner diameter direction are formed on the peripheral wall of the female cylindrical portion 2b by press working or the like. The protrusions 2c are formed so as to face each other.

  A female attachment plate 3 constituting the female snap 1 is formed of a metal material in the same manner, and has a substantially circular sandwiching portion 3a that comes into contact with the back surface of the periphery of a through hole (not shown) formed in the fabric F. It consists of a collar part 3b that extends in the outer diameter direction from the sandwiching part 3a and interposes between the cloth 4 and the packing 4 that is prevented from rotating.

  The female snap 1 positions the female head 2a on the peripheral surface of the through hole formed in the fabric F, penetrates the female cylindrical portion 2b, and then attaches the packing 4 to the peripheral back surface of the through hole of the fabric F. The female cylindrical portion 2b is inserted and disposed, and the sandwiching portion 3a of the female mounting plate 3 is further inserted into the female cylindrical portion 2b and brought into contact with the fabric F. After that, the end portion of the female cylindrical portion 2b is bent in the outer diameter direction so as to come into contact with the sandwiching portion 3a, and the fabric F is sandwiched between the female main body 2 and the female mounting plate 3. Secure. The bent end portion of the female cylindrical portion 2b is an engaging portion 2d.

  On the other hand, the male main body 6 constituting the male snap 5 is formed of a metal material in the same manner as the female snap 1, and is formed in a substantially cylindrical shape, and the male cylindrical portion 6b. The peripheral edge portion of the opening is formed with a flange portion 6c extending in the outer diameter direction. A male head 6a having an outer diameter slightly larger than that of the male cylindrical portion 6b is formed above the male cylindrical portion 6b. It is desirable to provide a rib for reinforcement on the flange portion 6c.

  Similarly, the male mounting plate 7 constituting the male snap 5 is formed of a metal material, and has a cylindrical portion 7a that penetrates the fabric F and is formed in a substantially cylindrical shape, and an opening peripheral portion of the cylindrical portion 7a. It comprises a flange portion 7b extending in the outer diameter direction. It is desirable to provide a rib for reinforcement on the flange portion 7b.

  The male snap 5 is inserted in the tubular portion 7a from the back surface of the through hole formed in the fabric F, covers the tubular portion 7a with the male main body 6 from the surface, and holds the fabric F in a sandwiched state. It is formed by adhering.

  The female snap 1 and the male snap 5 thus configured are engaged as shown in FIG. Specifically, the projection 2c of the female snap 2 formed slightly smaller than the outer diameter of the male head 6a in the male snap 5 is brought into contact with the head 6a, and the female snap 2 is pressed downward. Thereby, the protrusion 2c is elastically deformed toward the outer diameter direction of the female cylindrical portion 2b, and slides downward along the male head 6a. Later, when the projection 2c is released from contact with the male head 6a, the projection 2c is restored to its original shape, and comes into contact with the outer peripheral wall of the male cylindrical portion 6b. 5 is engaged.

As described above, according to the snap button according to the present invention described above, the female snap 1 and the male snap 5 can be engaged using the elastic force of the metal material without adopting a spring. In addition, the number of parts can be reduced.
Further, since the projecting portion 2c is merely protruded in the inner diameter direction on the peripheral wall of the female cylindrical portion 2b in the female snap 1 by pressing or the like, a complicated mold or the like at the time of resin molding is not required. It also leads to reduction of production cost.
Further, as shown in FIG. 3, when the snap button is engaged, the female head 2a in the female snap 1 and the male head 6a in the male snap 5 are exposed to the external appearance. The design of the snap button can be improved.

  Moreover, it is not restricted to the said Example, As shown to Fig.4 (a), the projection part 2c can also be provided in the surrounding wall of the female cylindrical part 2b in the female main body 2 separately. The protrusion 2c can be formed of the same metal material as the female main body 2, but is preferably formed of a synthetic resin that can be easily elastically deformed.

  Further, when the fabric F is thick, as shown in FIG. 4B, the protrusions 2c can be provided at two locations in the vertical direction of the peripheral wall of the female cylindrical portion 2b. Thereby, even if it is thick cloth, since it can be engaged by two steps of the upper and lower sides, the engagement force of the female snap 1 and the male snap 5 is not reduced.

  Further, as shown in FIG. 5, four protrusions 2c formed by pressing or the like can be provided at equal intervals in the radial direction of the peripheral wall of the female cylindrical portion 2b. The number of the projecting portions 2c is not limited, and as shown in FIG. 6, the entire peripheral wall can be the projecting portion 2c. Thereby, the engaging force of the female snap 1 and the male snap 5 can be improved. Furthermore, the female main body 2 and the female mounting plate 3, the male main body 6 and the male mounting plate 7 can be formed of synthetic resin or the like. Further, the combination of these embodiments is not limited.

DESCRIPTION OF SYMBOLS 1 Female snap 2 Female type | mold main body 2a Female type | mold head part 2b Female type | mold cylindrical part 2c Projection part 2d Engagement part 3 Female type | mold attachment plate 3a Clamping part 3b Grow part 4 Packing 5 Male snap 6 Male type | mold main body 6a Male type head Portion 6b Male tubular portion 6c Hook 7 Male mounting plate 7a Tubular 7b Hook

Claims (5)

A male mounting plate that penetrates one fabric;
A male tubular portion overlying the male mounting plate;
A male head formed above the male tubular section;
A male snap comprising a dough sandwiched in a gap with the male mounting plate and extending from the male tubular portion in the same direction as the dough;
A female head formed on the periphery of the opening of the female cylindrical portion formed through a metal material and penetrating the other fabric;
An engaging portion that sandwiches and fixes a female mold mounting plate and fabric in a gap with the female head;
A snap button comprising: a female snap provided with a protrusion protruding in an inner diameter direction from a female cylindrical portion. A male mounting plate that penetrates one fabric;
A male tubular portion overlying the male mounting plate;
A male head formed above the male tubular section;
A male snap comprising a dough sandwiched in a gap with the male mounting plate and extending from the male tubular portion in the same direction as the dough;
A female head formed on the periphery of the opening of the female cylindrical portion formed through the other fabric and formed of synthetic resin;
An engaging portion that sandwiches and fixes a female mold mounting plate and fabric in a gap with the female head;
A snap button comprising: a female snap provided with a protrusion protruding in an inner diameter direction from a female cylindrical portion.   3. The snap button according to claim 1, wherein the protrusions are provided at at least two locations in the radial direction of the peripheral wall of the female cylindrical portion.   The snap button according to claim 1, wherein the protrusion is provided on the entire peripheral wall of the female cylindrical portion.   5. The snap button according to claim 1, wherein the protrusions are provided in at least two locations in the vertical direction of the peripheral wall of the female cylindrical portion.

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