JP2504695Y2 - clip - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is locked in a first hole provided in one plate material and in a second hole provided in the other plate material. The present invention relates to a clip that connects a pair of plate materials.

[Prior art]

Conventionally, when connecting a pair of plate members, it is general that a locking piece is inserted into a hole provided in each and then the locking piece is expanded and fixed.

Here, when the pair of plate members are made to face each other and are connected at a predetermined interval, a grommet having a through hole in the axial direction and a pin inserted into the through hole are applied. That is, a grommet is arranged between a pair of plate members, and a pair of locking pieces extending in opposite directions from both sides of a flange having a predetermined wall thickness, which is a base portion of the grommet, are provided on the pair of plate members, respectively. Insert into the hole. In this case, at least one of the locking pieces is formed such that its diameter is larger than the hole into which it is inserted, and is elastically deformed and temporarily held in the hole. Here, by inserting the pin into the through hole, the diameter of the pair of locking pieces is expanded to prevent the locking, and the pair of plate members are connected.

[Problems to be solved by the device]

However, in the grommet having the above-mentioned conventional structure, in order to expand the diameter of the pair of locking pieces, it is necessary to provide a protrusion or the like which interferes with the pin especially on the inner circumference of the locking path on the pin insertion side. Therefore, the structure is complicated and the cost is increased. Also,
In the fastener disclosed in U.S. Pat. No. 4,786,225, it is necessary to insert the pin and then rotate the shaft, resulting in poor assembly workability.

Furthermore, the pin is inserted from the plate on the front side, but the grommet is configured to be temporarily held on the plate on the back side, so the work place for temporary fixing of the grommet and the work for inserting the pin are different, and the workability is poor. .

In consideration of the above facts, the present invention has an object to obtain a clip which has a simple structure and improves assembly workability when a pair of plate members are connected at a predetermined interval.

[Means for solving the problem]

According to the present invention, a pair of plate members are connected at a predetermined interval by being locked in a first hole provided in one plate member and being locked in a second hole provided in the other plate member. A clip which is sandwiched between the pair of plate members, and which is formed on one surface of the base portion and has a larger diameter than the first hole and a spherical outer shape, and is inserted into the first hole. A first locking piece capable of reducing the diameter; and a second locking piece formed on the other surface of the base portion and having a diameter smaller than that of the second hole, wherein the first locking piece is provided.
A grommet having a through hole extending from the locking piece to the second locking piece, and preventing the diameter reduction of the first locking piece inserted into the through hole and expanding the diameter of the second locking piece. It is characterized by having a pin and a pin.

With such a configuration, when the first locking piece is inserted into the first hole, the spherical outer shape is reduced in diameter because the diameter is larger than that of the first hole, and the elastic reaction force engages the first hole. Be stopped. Further, since the second locking piece has a smaller diameter than the second hole, it can be easily inserted into the second hole.

Here, when the pin is inserted into the through hole, the first locking piece is prevented from being reduced in diameter, and the second locking piece is expanded in diameter to be locked in the second hole. As a result, the pair of plate members are connected via the base portion.

In this way, by locking the first locking piece to one of the plate members, the grommet can be temporarily fixed, and the second locking piece can be inserted into the second hole without difficulty and the pin can be penetrated. One plate member is firmly connected to the other plate member only by inserting it into the hole. Further, since the outer shape of the first locking piece is spherical, it is possible to flexibly cope with the change in the wall thickness of the plate material to be temporarily fixed.

〔Example〕

FIGS. 1 and 2 show a clip 10 according to this embodiment.

The clip 10 is composed of two members, a grommet 12 and a pin 14, and the structure will be described below separately.

First, the grommet 12 will be described. Third to sixth
As shown, the grommet 12 has a circular base portion 16
The base portion 16 is sandwiched between a pair of plate members 18 and 20, as shown in FIG. The pair of plate members 18 and 20 are separated from each other by the thickness of the base portion.

A through hole 22 is provided in the axial center portion of the base portion 16.
A cylindrical first locking piece 24 is formed so as to project from the peripheral edge of the through hole 22 on one end surface of the base portion 16. This first
The engaging piece 24 is formed with a substantially V-shaped notch 26 extending from the front end to the base in the projecting direction and is divided into four claws.

The surface shape of the first locking piece 24 is spherical. That is, it is a so-called daruma type in which the axially intermediate portion has the maximum diameter. In addition, this first locking piece 24
The contraction of the gap of the notch 26 allows the four claws to elastically deform and approach each other, thereby reducing the overall diameter dimension. The first locking claw 24 is provided on one plate member 18
It is adapted to be inserted into the first circular hole 28 formed in the. The inner diameter of the first circular hole 28 is the same as the first locking piece.
Since it is smaller than the maximum diameter dimension of 24, the first locking piece 24 is reduced in diameter when it is inserted. Further, after the insertion, since the elastic member returns to the base by the elastic force, the grommet 12 is temporarily held by the one plate member 18.

From the peripheral edge of the through hole 22 on the other end surface of the base portion 16, a second tubular locking piece 30 is formed so as to project in a direction opposite to the first locking piece 24. This second locking piece 30
A substantially U-shaped notch 32 is formed from the tip end in the protruding direction to the base, and is divided into four claws.

Unlike the first locking claw 24, the second locking claw 30 has a substantially uniform outer diameter and is chamfered only at the tip. A projecting portion (not shown) is formed at the tip end portion of the second locking piece 30 so that the inner diameter dimension thereof gradually decreases, and the pin 14 of the pin 14 is inserted when the pin 14 is inserted into the through hole 22 described later. It comes into contact with the tip and the four claws are adapted to be expanded in the radial direction. The second locking piece 30 is adapted to be inserted into the second circular hole 34 formed in the other plate member 20. Since the inner diameter of the second circular hole 34 is larger than the outer diameter of the second locking piece 30 or can be inserted tightly, it can be easily inserted.

Next, the structure of the pin 14 will be described with reference to FIGS. 7 to 11. The pin 14 is composed of a head portion 26 having a diameter larger than the inner diameter of the tip portion of the first locking piece 24 and an insertion portion 38 inserted into the through hole 22. A small diameter portion 40 is formed in the axially intermediate portion of the insertion portion 38. This small diameter part 40
The amount of change in diameter is small from the tip side of the insertion portion 38, and is formed by the slope portion 42 formed by this and the inner circumference when the diameter of the first locking piece 24 is reduced. The slopes are aligned with each other. Therefore, in the state where the insertion portion 38 of the pin 14 is inserted into the through hole 22 from the tip of the first locking piece 24 and the slope portion 42 corresponds to the first locking piece 24, The locking piece 24 can be reduced in diameter, and the projection 14 in the radial direction is formed at the tip of the insertion portion 38 of the pin 14.
Is engaged with the base of the notch 32 of the second locking piece 30 (temporary fixing position).

When the pin 14 is further inserted into the through hole 22 from this temporarily fixed position, the base portion of the insertion portion 38 corresponds to the first locking piece 24 (prevents the diameter reduction of the first locking claw 24) and is inserted. The tip of the portion 38 is brought into contact with the protruding portion of the second locking piece 30 so that the four claws can be pushed and expanded (diameter expansion of the second locking claw).

 The operation of this embodiment will be described below.

First, the pin 14 is inserted into the through hole 22 of the grommet 12, and the protrusion 14 is engaged with the base of the notch 32 of the second locking piece 30. As a result, the grommet 12 and the pin 14 are temporarily fixed.

Next, the first locking piece 24 is attached to the first circular hole 28 of one plate member 18.
To insert. At this time, since the maximum diameter dimension of the first locking piece 24 is larger than that of the first circular hole 28, it cannot be inserted unless the diameter of the first locking piece 24 is reduced. Here, since the notch portion 26 is formed in the first locking piece 24, it is possible to reduce the size by bringing the four claws close to each other. Further, since the inner peripheral portion of the first locking piece 24 corresponds to the slope portion 42 of the pin 14, the first locking piece 24 can be easily contracted by pushing it into the first circular hole 28. The diameter of the first locking piece 24 is inserted into the first circular hole 28. When the bases of the first locking pieces 24 are inserted, the four claws are elastically deformed and opened again, and the grommets 12 are temporarily fixed to one plate member 18.

Next, the second locking piece 30 is inserted into the second circular hole 34 formed in the other plate member 20. Since the inner diameter of the second circular hole 34 is larger than the outer diameter of the second locking piece 30 or is a size that can be tightly accommodated, it can be easily inserted. As a result, the pair of plate members 18 and 20 are
The first locking piece 24 and the second locking piece 30 are positioned at a predetermined position.

In this state, the pin 14 in the temporarily fixed state is further pushed. When the pin 14 is pushed in, the insertion part 38 of the pin 14
Since the base portion of the first locking piece 24 corresponds to the inner peripheral surface of the first locking piece 24, the diameter reduction of the first locking piece 24 is prevented. Therefore, the first locking piece 24 does not fall out of the first circular hole 28 and is engaged.

At the same time, the tip of the insertion portion of the pin 14 comes into contact with the protruding portion of the second locking piece 30, and the four claws are expanded.
As a result, the second locking piece 30 is engaged without falling off from the second circular hole 34.

In this way, the pair of plate members 18 and 20 can be both fixed and connected by the grommet 12.

According to this embodiment, the plate member 18 for temporarily fixing the grommet 12 is used.
Since the plate material 18 on the insertion side of the pin 14 is the plate material 18 on the front side, the work positions are the same and the assembling workability is good.

Further, since the pin 14 is only pushed deeply at the time of connection, it becomes a simple work and the assembling workability is further improved.

Further, since the pin 14 can be temporarily fixed to the grommet 12, the grommet 12 and the pin 14 can be carried by the set, and the pin 14 does not fall out or be lost, so that the working efficiency is good.

[Effect of device]

As described above, the clip according to the present invention has an excellent effect that the assembling workability is improved when a pair of plate members are connected with a predetermined interval with a simple structure.

[Brief description of drawings]

FIG. 1 is a sectional view showing a state in which a pair of plate materials are connected using the clip according to the present embodiment, FIG. 2 is a sectional view in a temporarily fixed state, FIG. 3 is a perspective view of a single grommet, and FIG. A front view of the grommet, FIG. 5 is a right side view of FIG. 4, and FIG.
Left side view of the figure, FIG. 7 is a perspective view of the pin alone, FIG. 8 is a front view of the pin, FIG. 9 is a top view of FIG. 8, FIG. 10 is a right side view of FIG. FIG. 9 is a left side view of FIG. 10 …… Clip, 12 …… Grommet, 14 …… Pin, 16…
… Base part, 18, 20… Plate material, 22… Through hole, 24… First locking piece, 28… First circular hole, 30… Second locking piece,
34 …… Second circular hole, 42 …… Slope surface.

Claims (2)

(57) [Scope of utility model registration request] 1. A pair of plate members are spaced at a predetermined interval by being locked in a first hole provided in one plate member and in a second hole provided in the other plate member. A clip to be connected, the base part being sandwiched between the pair of plate members, and a larger diameter than the first hole formed on one surface of the base part, the outer shape being spherical, and insertion into the first hole. A first locking piece that can be reduced in diameter at times, and a second locking piece that is formed on the other surface of the base portion and that is smaller in diameter than the second hole and that can expand in diameter.
A grommet having a through hole extending from the locking piece to the second locking piece, and preventing the diameter reduction of the first locking piece inserted into the through hole and expanding the diameter of the second locking piece. A clip characterized by having a pin and a pin. 2. The pin is temporarily fixed to the grommet in a state in which it is inserted up to a position for preventing the diameter reduction of the first locking piece or a position for expanding the diameter of the second locking piece. The clip according to claim 1, wherein: