KR101154685B1 - Fastener - Google Patents

Abstract

(Problem) The present invention relates to a fastener capable of attaching the attachment member and the skin attachment member with one touch and attaching them without shaking and without falling out regardless of the thickness of the attachment member and the skin attachment member.
(Measures) The fastener of the present invention, by inserting the male member 21 into the female member 11 by opening the tubular portion 113 formed on the female member 11 to the outside and the attachment member 41 and The adhesion member 42 is to be fixed so as not to fall off each other. The arm member 11 includes at least a flange portion 112 having an insertion hole 111 formed therein, a tubular portion 113 extending downward from the flange portion 112, and a plurality formed in the tubular portion 113. Of slits 114 and 144. The male member 21 is comprised by the head part 211, the shaft part 212, and the leg parts 214 and 214 'at least. The male member 21 has a shaft portion 212 extending downward from the head portion 211 and inserted into the cylindrical portion 113 of the female member 11 to open the cylindrical portion 113 outward. It is. The lower end of the shaft portion 212 is a cylindrical cylindrical portion 213 that can open the lower portion of the cylindrical portion 133 to the outside when the shaft portion 212 is inserted into the cylindrical portion 113 of the arm member 11. You can do The engaging portions 217 and 217 are formed in the leg portions 214 and 214 ', and are prevented from swinging when the attachment member 41 and the skin adhesion member 42 are sandwiched.

Description

Fixture {FASTENER}

The present invention relates to a fastener capable of attaching the attachment member and the skin attachment member with one touch and attaching them without shaking and without falling out regardless of the thickness of the attachment member and the skin attachment member. The present invention also relates to a fastener which can be easily attached to the attachment member and the skin attachment member and can be released without using any tool at the time of release.

As a conventional fastener, there exist some which were described, for example in Unexamined-Japanese-Patent No. 6-40428. 6 (A) and 6 (B) are partial cross-sectional front views for explaining a conventional fastener, and FIG. 6 (C) is a top view. In FIGS. 6A to 6C, the push rivet (fixing tool) is composed of a rivet main body (female member) 61 and a pin (male member) 62. The rivet main body 61 is composed of a flange 611, a cylindrical portion 612, and a slit 613. Moreover, the pin 62 is comprised by the head part 621, the shaft part 622, and the driver groove 623. As shown in FIG. A tool insertion groove 624 is formed between the flange 611 and the head 621.

The push rivet attaches an attachment member and an adhesion member (not shown) by opening the tubular portion 612 to the outside by the pin 62 being inserted from the flange 611 side of the rivet body 61. can do. In addition, when releasing the engagement between the rivet main body 61 and the pin 62, the pin is inserted into the tool insertion groove 624 by using a tool such as a driver 625. (62) was made to release by pulling up.

Patent Document 1: Japanese Unexamined Utility Model Patent Publication No. 6-40428

In the conventional push rivet, the attachment member and the attachment member are attached by the elasticity of the rivet body and the pin. When the said push rivet uses this again, the member itself may loosen. In this case, since it does not return to an original state, it may fall out and there existed a reliability problem. In addition, the push rivet has a problem in that rocking occurs in the attachment hole when the attachment member and the skin attachment member are thin. In addition, the push rivet had to be forcibly released using a tool when releasing the engagement between the rivet body and the pin.

In order to solve the above problems, an object of the present invention is to provide a fastener which is free of fluctuations in the attachment hole even when the thickness of the attachment member and the skin attachment member is thin and that the male member and the female member do not fall out. In addition, the present invention provides a fastener that is free from swinging and falling out of the attachment hole of the attachment member and the skin attachment member, and does not require a special tool when releasing the male member from the female member. For the purpose of

<< first invention >>

The fastener of the present invention includes a flange portion having an insertion hole, a cylindrical portion extending downward from the flange portion, and an arm member composed of a plurality of slits formed in the cylindrical portion: a head portion; A shaft portion extending downward from the head portion and inserted into the cylindrical portion of the arm member and spreading the cylindrical portion outwardly, formed from the lower portion of the shaft portion toward the upper portion, and spreading outwardly through the slit of the cylindrical portion; And a male member composed of a leg portion having an engaging portion projecting outwardly, wherein the male member is opened to the outside by pushing the male member into the insertion hole of the female member, thereby attaching and attaching the skin member. The abutment portion of the leg is projected to the outside of the slit, It is characterized in that it is fixed by engaging the edge of the attachment hole of the attachment member and the skin attachment member.

<< second invention >>

In the fastener of the second invention, the tip of the leg portion protrudes outward from the lower portion of the head portion, and is characterized in that it is an operation portion for releasing engagement with the attachment member and the skin attachment member.

<< third invention >>

In the fastener of the third invention, the operation portion is formed in a wedge shape, and the operation portion is separated between the female member and the male member by being inserted between the head portion and the flange portion.

<< fourth invention >>

In the fastener of the fourth invention, the inclined portion is formed on at least one side of the operation portion or the flange portion.

According to the fastener of the present invention, the flaring outwardly of the cylindrical portion rich in elasticity in the female member and the leg portion of the male member protrude outward through the slit of the cylindrical portion, so that the attachment hole of the attachment member and the skin attachment member is formed. By the engagement engaged with the edge, even if the thickness of the attachment member and the skin attachment member is different, there is no fluctuation, and it is possible to prevent the male member and the female member from being pulled out.

According to the fastener of the present invention, since the male member and the female member have a temporary fixing protrusion for unifying without being separated during conveyance, assembly can be performed quickly. Further, after inserting the male member and the female member into the attachment hole of the attachment member and the skin attachment member, the attachment member and the skin attachment member are spread out by spreading the tubular portion of the female member outward by pressing the head of the male member. Since they are attached to each other, the assembly can be made easily and quickly.

According to the fastener of the present invention, since the operation portion is formed in the lower part of the head and the engagement with the attachment member and the skin attachment member is released only by pressing operation pressed inwardly as if the operation portion is picked up, a tool is used. The engagement with the attachment member and the attachment member can be easily released without work.

According to the fastener of the present invention, the male member and the female member can be easily formed without using a tool by only pressing operation of pressing the operation member by forming the operation portion in a wedge shape or by forming an inclination portion in a part of the flange portion. Can be separated.

1 (A) and 1 (B) are partial cross-sectional front views of the arm member according to the embodiment of the present invention, and FIG. 1 (C) is a top view of the arm member according to the embodiment of the present invention, FIG. 1 (D). ) Is a cross-sectional view taken along the line AA of FIG. 1 (C) (first embodiment)
2 (A) and 2 (B) are partial cross-sectional front views of the male member according to the embodiment of the present invention, and FIG. 2 (C) is a top view of the male member according to the embodiment of the present invention.
FIG. 3 (A) is a front view illustrating a state in which the female member and the male member are separated, and FIG. 3 (B) is a front view illustrating a state in which the female member and the male member are partially engaged, and FIG. Front view explaining the state where the female member and the male member are fully engaged
Figure 4 is an embodiment of the present invention, a front view for explaining a state in which the attachment member and the skin attachment member is attached by the female member and the male member
5 is a diagram for explaining another embodiment of the present invention (second embodiment).
6 (A) and 6 (B) are partial cross-sectional front views of the fastener according to the conventional example, and FIG. 6 (C) is a top view.

<< first invention >>

The fastener of the first invention is inserted into an attachment hole formed in the attachment member and the skin attachment member to attach the two to each other. The fastener is to secure the attachment member and the skin attachment member so as not to be separated from each other by opening the tubular portion formed on the female member to the outside by press-fitting the male member to the female member.

The arm member is composed of at least a flange portion in which an insertion hole is integrally formed, a tubular portion extending integrally downward from the flange portion, and a slit formed in a substantially cross shape formed in the tubular portion. The slit formed in the cross shape is formed in the shape of a groove into which the leg portion and the slide convex portion described later can be inserted. The female member and the male member are molded by a synthetic resin member having elasticity, for example, using a mold.

The male member is composed of at least a head, a shaft, and a leg. The male member has a shaft portion extending downward from the head and inserted into a cylindrical portion of the female member to open the cylindrical portion outward. The shaft portion includes a pair of leg portions and a pair of slide convex portions inserted into the slit formed in the cross shape of the arm member, and a lower portion of the cylindrical portion when inserted into the cylindrical portion of the arm member at a lower end portion. It consists of a cylindrical part spreading outward. In addition, the leg portion is formed from the lower portion to the upper portion of the shaft portion and is formed in a shape that spreads outward, and in the vicinity of the middle portion thereof is engaged with the edges of the attachment holes of the attachment member and the attachment member, and an operation portion to be described later. An engaging portion for releasing the engagement between the attachment member and the skin attachment member by pressing to easily pull out the male member from the female member is provided. The engaging portion may be a protrusion projecting gently from the leg portion. The engaging portion formed on the leg portion may be free from shaking when the thick attachment member and the skin attachment member are sandwiched.

When attaching the attachment member and the skin attachment member, the male member is pressed into the insertion hole of the female member. The tubular portion having the plurality of slits is opened outward by the insertion of the male member to abut on the edges of the attachment holes of the attachment member and the skin attachment member. In addition, a part of the leg portion protrudes outward through the slit of the tubular portion and engages with the edge of the attachment hole, thereby attaching the attachment member and the attachment member. The fastener has the legs of the male member engaged with the edges of the attachment holes of the attachment member and the skin attachment member, so there is no fluctuation even when the thickness of the attachment member and the skin attachment member is different, and the male member and the female The member can be prevented from coming off. That is, the fastener of the present invention is engaged on the engaging portion when the attachment member and the skin attachment member are thin, and is fixed using the inclined portion of the engaging portion when the attachment member and the skin attachment member are thick, so that the fixing member is free from fluctuation even if the thickness is different. Can be fixed

The male member and the female member are molded into a mold by an elastic resin having elasticity, and then the male member is inserted into the female member. The male member is assembled in a state where the temporary fixing protrusion formed on the slide convex portion of the leg portion is engaged with the flange portion of the female member, and is conveyed from the factory. The male member and the female member are integrated without being separated during conveyance. Then, after inserting the male member and the female member into the attachment hole of the attachment member and the attachment member, the attachment member and the attachment member are opened by spreading the tubular portion of the female member outward by pressing the head of the male member. Are attached to each other, so that assembly can be performed quickly. In addition, the male member and the female member can stably and quickly insert the leg portion and the slide convex portion formed in the cross shape into the slit and the slide groove.

<< second invention >>

In the fastener of the second invention, an operation portion is formed at the tip of the leg portion formed in the male member. The tip of the leg portion protrudes outward from the lower portion of the head portion and is provided with a pair of operation portions that protrude outwardly along the lower surface of the head portion. Under the head, the engagement with the attachment member and the skin attachment member which is engaged with the engagement portion is released by pressing the operation portion inward. By moving the leg portion of the arm member opened outward to its original position only by pressing the operation portion inwardly, the leg portion can be returned to its original position. The engagement between the male member and the female member can be easily released without using a tool for the alignment.

<< third invention >>

In the fastener of the third invention, the operation portion is formed in a wedge shape, and an operation portion insertion recess in which the operation portion can enter and exit is formed in the flange portion of the arm member. The female member and the male member can be separated by being pushed into the operation portion insertion recess formed between the head and the flange by only pressing operation that pushes the operation portion. In the fastener, the operation portion is formed in a wedge shape, whereby the engagement between the male member and the female member can be easily released simply by the pressing operation of pressing the operation portion.

<< fourth invention >>

The fastener of 4th invention forms the inclination part in at least one side of the said operation part or a flange part. The said inclined part is formed in the front-end | tip part of the operation part insertion recessed part in the lower part or the flange part of the said operation part. The operation unit may be pulled up to easily remove the male member by the inclined surface formed on the inclined portion.

<Embodiment>

EMBODIMENT OF THE INVENTION Hereinafter, the fastener which concerns on embodiment of this invention with reference to drawings is demonstrated.

The fastener according to the present embodiment is inserted into the attachment hole 43 formed in the attachment member 41 and the attachment member 42, as shown in Fig. 4, so that the attachment member 41 and the attachment member 42 are mutually supported. To attach. The fixture is used in the interior of the car, etc., and can be applied to the interior of the aircraft, railroad or housing facilities. In addition, the fixture can be used for buckle in the apparel field, pipe fixing, lock of the shipping box, and the like.

The fixture consists of a female member 11 (see FIG. 1) and a male member 21 (see FIG. 2). The female member 11 and the male member 21 are molded by a synthetic resin member using, for example, a mold. The fastener is a state in which the temporarily fixed female member 11 and the male member 21 are inserted into the attachment hole 43 of the attachment member 41 and the attachment member 42, as shown in Fig. 3B. When the male member 21 is press-fitted into the insertion hole 111 of the female member 11, the male member 21 is formed by the cooperation of the slit 114 and the slide groove 118 formed in a substantially cross shape. The shaft portion 212 is to secure the attachment member 41 and the skin attachment member 42 does not fall apart by spreading the tubular portion 113 of the arm member 11 to the outside.

1 (A) and 1 (B) are partial sectional front views of the arm member according to the embodiment of the present invention, and FIG. 1 (C) is a top view of the arm member according to the embodiment of the present invention, and FIG. 1 ( D) is a cross-sectional view taken along the line AA of FIG. 1 (C).

As shown in Figs. 1A to 1D, the arm member 11 is integrally formed downward from the flange portion 112 and the flange portion 112 at which the insertion hole 111 is formed. It consists of the cylindrical part 113 extended, the several slits 114, and the slide groove 118 formed in the said cylindrical part 113. As shown in FIG.

The lower portion of the tubular portion 113 is separated into a plurality of portions (four portions in this embodiment) by the slit 114 and the slide groove 118, and the upper portion thereof is integral with the lower portion of the flange portion 112. It is formed successively.

The flange portion 112 is formed with a head insertion recess 115 into which the head portion 211 of the male member 21 to be described later is fitted. Moreover, the operation part insertion recessed part 116 which is deeper than the said head part insertion recessed part 115 in which the operation part 215 mentioned later is fitted is formed in the said flange part 112. As shown in FIG.

2 (A) and 2 (B) are partial cross-sectional front views of the male member according to the embodiment of the present invention, and FIG. 2 (C) is a top view of the male member according to the embodiment of the present invention.

The male member 21 is composed of at least the head portion 211, the shaft portion 212, the leg portions 214 and 214 'and the slide convex portions 219 and 219', as shown in Figs. 2A-2C. It is.

The shaft portion 212 extending downward from the head 211 is inserted into the cylindrical portion 113 of the arm member 11, the cylindrical portion by the slit 114 and the slide groove 118. Spread 113 outward. The slide protrusions 219 and 219 'are guided and inserted into the slide grooves 118 formed in the cylindrical portion 113 of the arm member 11, and the first temporary fixing protrusions 220 and 220' and the second temporary fixing protrusions are inserted into the slide grooves 118. The female member 11 and the male member 21 can be temporarily fixed together with the engaging portions 217 and 217 'which will be described later by 221 and 221'.

On the lower end of the shaft portion 212, when the shaft portion 212 is inserted into the cylindrical portion 113 of the arm member 11, a substantially cylindrical that can open the lower portion of the cylindrical portion 133 to the outside An upper cylindrical portion 213 is formed. The cylindrical portion 213 can reliably open the cylindrical portion 113 of the arm member 11 by the slit 114 and the slide groove 118. In addition, the leg portions 214 and 214 'and the slide protrusions 219 and 219' are cross-shaped in cross section and are inserted straight into the slit 114 and the slide groove 118 of the arm member 11. .

In addition, the shaft portion 212 is provided with a pair of legs (214, 214 ') formed from the bottom toward the top and spread outward, and the attachment member (near the middle portion of the legs (214, 214') is formed. 41) and engagement with the attachment member 41 and the attachment member 42 by a pressing operation that is engaged with the edge of the attachment hole 43 of the attachment member 42 and the operation portions 215 and 215 '. Engaging portions 217 and 217 'are provided to release the fitting to easily pull the male member 21 out of the female member 11. The leg portions 214 and 214 'make the engaging portions 217 and 217' have elasticity. The engaging portions 217 and 217 'may be protrusions that gently protrude from the leg portions 214 and 214'. The engaging portions 217 and 217 'formed on the leg portions 214 and 214' are inclined so as not to swing when the relatively thick attachment member 41 and the adherence member 42 are sandwiched.

A pair of operation parts 215 and 215 'is formed at the tip of lower part of the head part 211 in the said leg part 214 and 214'. The pair of operation parts 215 and 215 'extends outward from the lower part of the head 211 toward the outside and protrudes outward along the lower surface of the head 211. ) Are integrally formed in series.

In the male member 21, the attachment member 41 engaged with the engaging portions 217 and 217 'by pressing the operation portions 215 and 215' inward from the lower portion of the head 211 is picked up. And the engagement with the attachment member 42 are alleviated, and the inclination of the engagement portions 217 and 217 'is crushed so that the engagement with the attachment member 41 and the attachment member 42 is easily released. do. By moving the leg portions 214 and 214 'in the narrowing direction only by pressing the inner portion as pressing the operation portions 215 and 215', the tubular portion 113 of the arm member 11 that is opened outward is moved. Since it can be returned to the position of, the engagement between the attachment member 41 and the attachment member 42 can be easily engaged with the male member 21 and the female member 11 without using a tool. Can be released.

In the fastener, the shape of the operation portions 215 and 215 'is formed in a wedge shape inclined toward the bottom of the head 211. FIG. In addition, the flange portion 112 of the arm member 11 is provided with an operation portion insertion recess 116 through which the operation portions 215 and 215 'can enter and exit the lower portion of the head insertion recess 115. The arm member 11 is inserted into the operation portion insertion recess 116 formed between the head portion 211 and the flange portion 112 only by the pressing operation of pressing the operation portions 215 and 215 'as if they are picked up. ) And the male member 21 can be separated.

In the fastener, the inclined portion 117 (see FIG. 1B) may be formed on at least one of the operation portions 215 and 215 ′ or the flange portion 112. The inclined portion 117 may be formed at the front end of the operation portion insertion recess 116 in the lower portion or the flange portion 112 of the operation portions 215 and 215 '. The operation units 215 and 215 ′ may be pulled up so that the male member 21 can be easily pulled out by the inclined surface formed on the inclined portion 117.

FIG. 3 (A) is a front view illustrating a state where the female member and the male member are separated, and FIG. 3 (B) is a front view illustrating a state in which the female member and the male member are partially engaged, and FIG. It is a front view explaining the state in which the female member and the male member are completely engaged.

In Fig. 3A, the female member 11 and the male member 21 are composed of two parts each formed by different molds. In FIG. 3B, the female member 11 is in a state in which the male member 21 is partially inserted. The engaging portions 217 and 217 'of the male member 21 are engaged with the lower portion of the flange portion 112 of the female member 11. Since the female member 11 and the male member 21 are not separated apart from each other by engaging the engaging portions 217 and 217 'with the flange 112, they are always in a pair. Can be assembled quickly. In FIG. 3C, the male member 21 is pressed into the insertion hole 111 of the female member 11 by pushing the head 211 downward.

4 is a front view for explaining a state in which the attachment member and the skin attachment member are attached by the female member and the male member as an embodiment of the present invention.

In Fig. 4, after inserting the fixing member to which the female member 11 and the male member 21 are temporarily fixed into the attachment hole 43 of the attachment member 41 and the skin attachment member 42, the female member 11 is inserted. The shaft portion 212 of the male member 21 is press-fitted into the cylindrical portion 113. The cylindrical portion 113 having the plurality of slits 114 and the slide grooves 118 in the female member 11 is opened outwardly by the insertion of the shaft portion 212 of the male member 21. It comes into contact with the edges of the attachment hole 43 of the attachment member 41 and the skin attachment member 42. In addition, the leg portion 214 is protruded outward through a slit 114 of the tubular portion 113 to be engaged with the edge of the attachment hole 43, so that the leg member 214 Attachment member 42 is attached.

The fastener has the leg 214 of the male member 21 engaged with the attachment hole 43 of the attachment member 41 and the attachment member 42, thereby attaching the attachment member 41 and the skin attachment. Even if the thickness of the member 42 is different, there is no fluctuation and it is possible to prevent the male member 21 and the female member 11 from being pulled out.

<Other embodiment>

5 is a diagram for explaining another embodiment of the present invention.

In Fig. 5, the fastener is composed of a female member 51 and a male member 52, and is molded into a mold by synthetic resin or the like. The female member 51 and the male member 52 have almost the same shape as the above-described embodiment. The male member 52 of this embodiment differs from the above-mentioned embodiment in that the leg part 523 does not have an operation part. The fastener does not need to be removed, and there is no part of the operation portion. The leg portion 523 may be a shape to which the attachment member and the skin adhesion member are attached by the engaging portion 524.

As mentioned above, although embodiment of this invention was described in detail, this invention is not limited to said embodiment. The present invention can be modified in various ways without departing from the matters described in the claims. Needless to say, the fastener of the present invention can partially change the shape and dimensions of each part by the range described in the claims. Moreover, the fastener of this invention can arbitrarily change elasticity etc. using another well-known or well-known material according to a use place.

11-Female member 111-Insertion hole
112-flange 113-tubular
114-Slit 115-Head Insert Recess
116-control panel insert recess 117-inclined section
21-Male 211-Head
212-Shaft 213-Cylindrical
214,214 '-Leg 15,215'-Control panel
217,217 '-Fitting 41-Attachment member
42-Skin Attachment 43-Mounting Hole

Claims (4)

A flange portion 112 having an insertion hole 111 formed therein, a tubular portion 113 extending downward from the flange portion 112, and a plurality of slits 114 and 114 formed in the tubular portion 113; Arm member 11 is composed of:
A head 211 and a shaft 212 extending downward from the head 211 and inserted into the tubular portion 113 of the arm member 11 to open the tubular portion 113 outward; And a leg portion which is formed from the lower portion of the shaft portion 212 to the upper portion and has an engaging portion 217, 217 'that protrudes outwardly through the slits 114 and 114 of the tubular portion 113. And a male member 21 composed of (214, 214 '),
By press-fitting the male member 21 into the insertion hole 111 of the female member 11, the tubular portion 113 is opened to the outside to attach the attachment member 41 and the attachment member 42 to the attachment hole. In addition to being fixed to the edge of the 43, the engaging portions 217 and 217 'of the leg portions 214 and 214' protrude outward of the slits 114 and 114, thereby adhering the attachment member 41 and the skin attachment member. A fastener, characterized in that it is engaged with and fixed to the edge of the attachment hole (43) of (42).
The tip of the leg portions 214 and 214 'protrude outward from the lower portion of the head 211, and release the engagement of the attachment member 41 and the attachment member 42. Fixtures, characterized in that the operating unit (215,215 ').
3. The arm member 11 of claim 2, wherein the operation parts 215 and 215 ′ are formed in a wedge shape, and the operation parts 215 and 215 ′ are sandwiched between the head part 211 and the flange part 112. Fasteners, characterized in that to separate and the male member (21).
The fastener according to claim 3, wherein an inclined portion (117) is formed on at least one side of the operation portion (215, 215 ') or the flange portion (112).

Images