JPH0958482A - Mounting fastener for interior trim material of baby's seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent interior packaging parts from being removed out of a baby's seat carelessly by hands and the like by holding each interior packaging part by a fastener, and thereby rotating the fastener by a jig for mounting to/demounting from the baby's seat. SOLUTION: The shaft 10 of a pin 40 is put into the through hole 31 of an interior packaging part 30, and when it is adjusted to the insertion hole 90 of a grommet 50 so as to be inserted therein, the pawl part 110 of the grommet 50 is pressed by the tip end swelled part 73 of the pin so as to be deflected, and when the tip end swelled part 73 of the pin 40 passes through the pawl part 110, the pawl part 110 is fitted in the tapered part 72 of the shaft part 70 of the pin 40. Next, the leg part 100 of the grommet 50 is adjusted to the mounting hole 21 of a baby's seat 20 so as to be inserted therein, a jig (for example, a hard coin) is inserted into an insertion groove 61 of the pin 40, and when the pin 40 is rotated by a set angle, the grommet 50 is also integrally rotated, the projected peripheral part 102 of the leg part of the grommet 50 is caught by the back face of the mounting hole 21 of the baby's seat 20, and the leg part 100 can thereby be firmly retained therein.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastener for mounting an interior material of a child seat such as a child seat to be mounted on a seat of a stroller or an automobile.

[0002]

2. Description of the Related Art Conventionally, as a fastener of this kind, a snap fastener or a hook-and-loop fastener is attached to the interior material of a child seat so that the interior material can be removed from the child seat for cleaning.

[0003]

However, in the above-mentioned conventional fastener, since the interior material can be easily removed by hand,
There was a problem that the interior material was unnecessarily removed from the child seat. Therefore, the invention according to claim 1 has been made in view of the problems of the above-described conventional technology, and the purpose thereof is to perform desorption using a jig, It is intended to prevent the interior material from being unintentionally detached from the child's seat by hand or the like.

The invention according to claim 2 is the above-mentioned claim 1.
In addition to the stated purpose, the following points are intended. In other words, the invention according to claim 2 makes it possible to use a familiar coin as a jig. The invention described in claim 3 has the following object in addition to the object described in claim 1 or claim 2.

That is, the invention according to claim 3 is to provide a fastener having a relatively simple structure by constructing the fastener from a pin and a grommet. The invention described in claim 4 has the following object in addition to the object of claim 3 described above. That is, the invention according to claim 4 makes it easy to connect the pin and the grommet.

[0006]

The present invention is to achieve the above-mentioned object, and the contents thereof will be described below with reference to the embodiments shown in the drawings. The invention according to claim 1 is characterized by the following points. That is, the fastener (10)
For example, as shown in FIGS. 1 and 2, the interior material (30) is held and can be attached to and detached from the child seat (20) by rotating using a jig (for example, a coin).

The invention according to claim 2 is the above-mentioned claim 1.
In addition to the features of the described invention, the following features are provided. That is, the jig is a coin (not shown). The invention described in claim 3 is characterized by the following points in addition to the features of the invention described in claim 1 or claim 2.

That is, the fastener (10) is, for example, as shown in FIG.
As shown in 2, holding the interior material (30) between the pin (40) and this pin (40), it is attached to the non-circular mounting hole (21) formed in the child seat (20). It is composed of a grommet (50) that can be used. As the non-circular shape, for example, a square hole is illustrated as shown in FIG. 8, but the shape is not limited to this.
It may be a polygonal shape other than a square, an elliptical shape, an oval shape, or a hole having a geometric shape.

The invention according to claim 4 is the above-mentioned claim 3.
In addition to the features of the described invention, the following three features are characterized. First, the pin (40) is formed on the head (60) and the surface of the head (60) as shown in FIGS. 1 and 10, and a coin (not shown) can be inserted therein. Insertion groove (61) and the head
The shaft portion (70) extends from the center of the back surface of the (60) and penetrates the interior material (30).

As the coin, the pin (40) can be rotated by using any coin. For example, the pin is frequently used in North America, and the groove is suitable for a large 25 cent coin. It has a width. Of course, Japanese coins can also be inserted, and you can rotate the pin (40) with a screwdriver if you have a negative screwdriver nearby as well as coins.

Secondly, the grommet (50) is formed to have a diameter larger than the inner diameter of the mounting hole (21) of the child seat (20) as shown in FIGS. Between the back surface of the head (60) of the, the collar portion (80) holding the interior material (30), and opening on the surface of the collar portion (80), the shaft portion of the pin (40) ( 70) into which the insertion hole (90) can be inserted and the rear surface of the collar portion (80), and after being inserted into the mounting hole (21) of the child seat (20), the insertion groove of the pin (40). Coin inserted in (61) (not shown)
Then, when the pin (40) is rotated, the protrusion (102) is rotated integrally with the pin (40) and hooked on the back surface of the mounting hole (21).
And a leg portion (100) having.

Third, between the shaft portion (70) of the pin (40) and the insertion hole (90) of the grommet (50), for example, as shown in FIG.
As shown in FIGS. 9 and 10, by inserting the shaft portion (70) of the pin (40) into the insertion hole (90) of the grommet (50), they fit into each other and the inside of the insertion hole (90). Uneven part that holds the shaft part (70) non-rotatably (for example, the taper 72 on the pin 40 side).
And one of the claw portions 110) on the grommet 50 side is formed on each.

As the concave and convex portion, for example, as shown in FIG. 1, for example, a tapered portion (72) is formed as a concave portion, and a shaft portion of the pin (40).
Formed in the middle of the length of (70), and the tapered portion (72)
For example, a claw portion (110) is formed in the insertion hole (90) of the grommet (50) as a convex portion hooked on the pin, but the present invention is not limited to this.
A protrusion may be formed on the shaft portion (70) side of the (40) and a recess may be formed on the insertion hole (90) side of the grommet (50).

Next, the operation of each claim having the above construction will be described below. According to the invention described in claim 1, the following effects are exhibited. That is, for example, in FIG.
As shown in 10, by rotating the fastener (10) using a jig (for example, a coin), the interior material (30) is attached to the child seat (20) via the fastener (10).

On the other hand, the fastener (10) is rotated again by using a jig (for example, a coin), so that the interior material (30)
Can be removed from the child seat (20). According to the invention described in claim 2, in addition to the operation of the invention described in claim 1, the following operation is achieved. That is, although not shown, a coin can be used as the jig to rotate the fastener (10).

According to the invention described in claim 3, in addition to the operation of the invention described in claim 1 or 2, the following operation is achieved. That is, as shown in FIGS. 9 and 10, for example, the interior material (30) is provided between the pin (40) and the grommet (50).
Hold the. In this state, by inserting the grommet (50) into the non-circular mounting hole (21) formed in the child seat (20) and rotating it using a jig (for example, a coin), for example, as shown in FIG. As shown in 10, the interior material (30) is attached to the child seat (20) through the pin (40) and the grommet (50).

On the other hand, by rotating the grommet (50) again using a jig (for example, a coin), the interior material (3
The 0) can be removed from the child seat (20). According to the invention described in claim 4, in addition to the operation of the invention described in claim 3, the following operation is exhibited. First, pin (4
As shown in FIGS. 9 and 10, for example, the shaft portion (70) of (0) is passed through, for example, the through hole (31) of the interior material (30) and is inserted into the insertion hole (90) of the grommet (50). .

In this way, when the shaft portion (70) of the pin (40) is inserted, for example, as shown in FIGS. 9 and 10, the uneven portion between the pin (40) and the grommet (50) (for example, the tapered portion 72 on the pin 40 side, The claw portions 110) on the grommet 50 side are fitted to each other, and the shaft portion (70) of the pin (40) is inserted into the insertion hole (90) of the grommet (50).
0) is held non-rotatable. Further, the interior material (30) is, for example, as shown in FIGS. 9 and 10, between the back surface of the head portion (60) of the pin (40) and the front surface of the collar portion (80) of the grommet (50). It is sandwiched from the front and back sides.

Next, the leg portion (100) of the grommet (50) is
Insert it by aligning it with the mounting hole (21) of the child seat (20). After that, a jig (for example, a coin) is inserted into the insertion groove (61) of the pin (40), and the pin (40) is rotated by a predetermined angle, for example, ¼.
When the pin (40) is thus rotated, the shaft portion (70) of the pin (40) is held in the insertion hole (90) of the grommet (50) so that the shaft portion (70) cannot rotate. To rotate.

The leg portion (100) of the grommet (50) is
By rotating on the back side of the mounting hole (21) of the child seat (20), the projecting edge portion (102) of the child seat (20) is attached to the mounting hole (21) of the child seat (20) as shown in FIGS. The legs (100) of the grommets (50) can be hooked to the back of the child seat (21) so that the child seat
It will not come out of the mounting hole (21) of (20). In the installation procedure described above, the grommet (50) was attached to the pin (40) and then the grommet (50) was attached to the child seat (20). Seat (20)
The pin (40) may be attached later to the grommet (50) attached to the child seat (20) after the first attachment.

On the other hand, in order to remove the interior material (30) from the child seat (20), a jig (for example, a coin) is inserted again into the insertion groove (61) of the pin (40), and the pin (40) is inserted. Predetermined angle, eg 1
/ 4 rotation is enough. When the pin (40) is rotated, the projecting edge (102) of the leg (100) of the grommet (50) is replaced by the child seat (20).
To align with the mounting holes (21) of the grommet (50).
00) can be pulled out from the mounting hole (21) of the child seat (20).

[0022]

1 to 10 show an embodiment of the present invention. 1 is an exploded sectional view of the fastener, FIG.
Is an exploded perspective view showing the mounting position of the fastener, FIG. 3 is a plan view of the pin, FIG. 4 is a rear view of FIG. 3, FIG. 5 is a side view of the grommet, FIG. 6 is a plan view of FIG. 5, and FIG. FIG. 8 is a plan view showing the relationship between the mounting holes of the child seat and the legs of the grommets, FIG. 9 is a sectional view showing the mounting state of the fastener, and FIG. 10 is another sectional view of FIG. Show.

In FIGS. 1 and 2, reference numeral 10 denotes a fastener, and the fastener 10 is used to detachably attach the interior material 30 to the child seat 20. The child seat 20 is used, for example, in a stroller, a child seat to be mounted on a seat of an automobile, or the like. (Children's Seat) As shown in FIG. 2, the armrest of the children's seat 20 has a non-circular mounting hole 21 for mounting the fastener 10, which is a square mounting hole 21 in this embodiment.

The mounting hole 21 is not limited to the square shape,
It may be a polygonal shape other than a square, an elliptical shape, an oval shape, or a hole having a geometric shape. (Interior Material) Although not shown, the interior material 30 has a pad with high elasticity inside, and its surface is sewn. Then remove it from the armrest of the child seat 20,
I am able to clean it. In addition, a circular through hole 31 for attaching the fastener 10 is formed in the interior material 30.

The through hole 31 is not limited to a circular shape, but may be a non-circular shape such as a polygonal shape, an elliptical shape, an oval shape, or a geometrical shape as long as the interior material 30 can be rotated. It can be a hole. (Fastener) As shown in FIGS. 1 and 2, the fastener 10 is roughly divided into a pin 40 and the interior material 30 sandwiched between the pin 40 and attached to the attachment hole 21 of the child seat 20. Equipped with a grommet 50. (Fastener: Pin) The pin 40 is formed on the head 60 and the surface of the head 60 as shown in FIGS. 1 to 4, and a coin (not shown) as a jig can be inserted therein. Insert groove 61
And a shaft portion 70 extending from the center of the back surface of the head portion 60 and passing through the through hole 31 of the interior member 30. And pin 40
Are integrally formed of a thermoplastic resin such as POM.

As shown in FIGS. 1 to 4, the head 60 is formed in a disk shape, and its outer diameter is set to be larger than the inner diameter of the through hole 31 of the interior material 30. As shown in FIGS. 3 and 10, the surface of the head 60 is formed with an insertion groove 61 that is recessed in a cross section so as to cross the center thereof. Further, a pair of left and right inclined surfaces 62, 62 is formed which is inclined obliquely from both sides of the insertion groove 61 toward the outer edge. Both slopes 62
Is for reducing a step between the interior material 30 and the surface thereof.

As the jig, a familiar coin is exemplified, but the jig is not limited to this, and a driver or the like may be used. In addition, as a coin
Although it can be rotated, it has a groove width adapted to a 25 cent coin, which is frequently used and has a large size, for example, in North America. Of course, you can insert Japanese coins, and if you have a minus driver around you,
You can also rotate pin 40 with a screwdriver.

On the other hand, the shaft portion 70, as shown in FIGS.
It extends from the center of the back of the head 60, and its cross-sectional shape is the interior material 30.
Is the same as the through hole 31 and is rectangular in cross section in this embodiment. As shown in FIG. 1, the shaft portion 70 includes a base portion 71 that is continuous with the back surface of the head portion 60, a taper portion 72 that is tapered from a lower end portion of the base portion 71, and a taper portion 72.
A tip bulge portion 73 thickened in an arrowhead shape from the tip of 72 is provided. (Fastener: Grommet) The grommet 50 is shown in Fig. 1.
As shown in FIGS. 5 to 7, the collar portion 80, an insertion hole 90 that is opened in the surface of the collar portion 80 and into which the shaft portion 70 of the pin 40 can be inserted, and extends from the back surface of the collar portion 80, Hole for seat 20
21 and a leg portion 100 attached to it. And
Like the pin 40, the grommet 50 is integrally formed of a thermoplastic resin having appropriate elasticity and rigidity, such as POM.

As shown in FIGS. 1, 5 and 7, the brim portion 80 is formed in a disk shape, and its outer diameter is set to be larger than the inner diameter of the mounting hole 21 of the child seat 20. The insertion hole
As shown in FIGS. 1 and 5-7, 90 passes through the center of the collar portion 80, penetrates vertically, and is formed in a rectangular shape conforming to the cross-sectional shape of the shaft portion 70 of the pin 40.

At the lower end of the insertion hole 90, as shown in FIG.
As shown in FIGS. 6 and 7, there are formed a pair of claw portions 110, 110 as protrusions which project into the insertion hole 90 and fit into the tapered portion 72 of the shaft portion 70 of the pin 40. The number of the claw portions 110 is not limited to two and may be three or more. On the other hand, as shown in FIGS. 1, 5 and 7, the leg portion 100 has a square tubular shape as a whole, and its outer diameter is formed to be slightly smaller than the mounting hole 21 of the child seat 20.

As shown in FIGS. 1, 5 and 7, an octagonal constricted portion 101 is formed in the middle of the height of the leg portion 100 by diagonally cutting off the four corner portions. This constriction section 101
By rotating in the mounting hole 21 of the child seat 20, as shown in FIG. 8, the four corners of the leg portion 100 below the constricted portion 101 serve as projecting edges 102 ... It is designed to be caught on the back surface of the seat 20. (Installation method) Next, the fastener 10 having the above-described configuration
A method of attaching the interior material 30 to the child seat 20 will be described using.

First, the shaft portion 70 of the pin 40 is, for example, as shown in FIGS.
As shown in FIG. 0, it is passed through the through hole 31 of the interior material 30, and is inserted in alignment with the insertion hole 90 of the grommet 50. When the shaft portion 70 of the pin 40 is inserted, the distal end bulging portion 73 engages with the pair of claw portions 110 protruding into the insertion hole 90 of the grommet 50. here,
When the shaft portion 70 of the pin 40 is strongly inserted, the pair of claw portions 110 of the grommet 50 are pushed by the tip end bulging portion 73 and bend in a direction in which they are separated from each other by the elasticity of the resin. Then, when the tip bulge 73 of the pin 40 passes through the claw 110, both claws 110 are constricted in the middle of the length of the shaft 70 of the pin 40 as shown in FIGS. It snaps into.

In this way, the two claws 110 have the taper 72 of the pin 40.
When it fits in, the tip bulge 73 of the pin 40 is caught by both the claws 110, and the shaft 70 of the pin 40 is inserted into the grommet 50.
I can't get out of 90. At this time, as shown in FIGS. 9 and 10, the interior material 30 is sandwiched between the back surface of the head 60 of the pin 40 and the front surface of the brim portion 80 of the grommet 50 from the front and back directions.

Further, the shaft portion 70 of the pin 40 and the grommet 50
Since the insertion hole 90 of the pin 40 has a non-circular shape, that is, a rectangular shape in this embodiment, the shaft portion 70 of the pin 40 has the insertion hole 90 of the grommet 50.
It is held non-rotatable inside. Next, the leg portion 100 of the grommet 50 is inserted in alignment with the attachment hole 21 of the child seat 20.

Then, a coin (not shown) is inserted into the insertion groove 61 of the pin 40, and the pin 40 is rotated by a predetermined angle, for example, 1/4. When the pin 40 is rotated in this manner, the shaft portion 70 holds the shaft portion 70 in the insertion hole 90 of the grommet 50 so that the shaft 70 cannot rotate, so that the grommet 50 also rotates integrally. Then, the leg portion 100 of the grommet 50 is rotated on the back surface side of the mounting hole 21 of the child seat 20, so that the four projecting edge portions 102 are formed.
However, as shown in FIGS. 8 to 10, for example, the leg portion 100 of the grommet 50 cannot be pulled out from the attachment hole 21 of the child seat 20 by being caught on the back surface of the attachment hole 21 of the child seat 20.

In the above-mentioned mounting procedure, the pin 40 is mounted on the grommet 50 and then the grommet 50 is mounted on the child seat 20, but the present invention is not limited to this, and the grommet 50 is mounted on the child seat 20 first. After that, the pin 40 may be attached to the grommet 50 attached to the child seat 20 later. (Removal method) On the other hand, in order to remove the interior material 30 from the child seat 20, a coin (not shown) is again inserted into the insertion groove 61 of the pin 40, and the pin 40 is slid at a predetermined angle, for example, 1/4 turn. Good.

When the pin 40 is rotated, the legs of the grommet 50 are
Since the projecting edge portion 102 of the 100 is aligned with the mounting hole 21 of the child seat 20, the leg portion 100 of the grommet 50 can be pulled out from the mounting hole 21 of the child seat 20. Then, the interior material 30 removed from the child seat 20 can be cleaned. After cleaning, by the mounting method described above, the interior material 30,
It can be attached to the child seat 20 again via the fastener 10.

[0038]

Since the present invention is configured as described above, it has the following effects. Claim 1
According to the described invention, the following effects can be obtained. That is, according to the first aspect of the present invention, by using the jig to perform the attachment / detachment, it is possible to prevent the interior material from being unintentionally detached from the child's seat by a hand or the like. .

According to the invention of claim 2, in addition to the effect of claim 1 described above, the following effect is exhibited. That is, according to the invention of claim 2, a familiar coin can be used as the jig. According to the invention of claim 3, in addition to the effect of claim 1 or claim 2 described above, the following effect is exhibited.

That is, according to the invention of claim 3,
By forming the fastener from the pin and the grommet, it is possible to provide a fastener having a relatively simple structure. According to the invention described in claim 4, in addition to the effect described in claim 3, the following effect is exhibited. That is, according to the invention of claim 4, it is possible to facilitate the connection between the pin and the grommet.

[Brief description of drawings]

FIG. 1 is an exploded sectional view of a fastener.

FIG. 2 is an exploded perspective view showing a mounting position of a fastener.

FIG. 3 is a plan view of a pin.

FIG. 4 is a rear view of FIG.

FIG. 5 is a side view of the grommet.

FIG. 6 is a plan view of FIG. 5;

FIG. 7 is a rear view of FIG.

FIG. 8 is a plan view showing the relationship between the mounting holes of the child seat and the legs of the grommets.

FIG. 9 is a cross-sectional view showing a mounting state of the fastener.

FIG. 10 is another cross-sectional view of FIG.

[Explanation of symbols]

 10 Fastener 20 Child seat 21 Mounting hole 30 Interior material 31 Through hole 40 Pin 50 Grommet 60 Head 61 Insertion groove 62 Inclined portion 70 Shaft 71 Base 72 Tapered portion 73 Tip bulge 80 Collar 90 Insert hole 100 Leg Part 101 Constriction part 102 Projection edge part

Claims (4)

[Claims] 1. A fastener for attaching an interior material of a child seat, which is detachably attached to a child seat, wherein the fastener holds the interior material and rotates by using a jig for the child. Fasteners for attaching interior materials for children's seats, which can be attached to and detached from the seat. 2. The fastener for mounting the interior material of a child's seat according to claim 1, wherein the jig is a coin. 3. The fastener comprises a pin and a grommet which holds an interior material between the pin and which is attached to a non-circular attachment hole formed in a child seat. Alternatively, the fastener for mounting the interior material of the child seat according to claim 2. 4. A pin, a head, an insertion groove formed on the surface of the head, into which a jig can be inserted, and a shaft portion extending from the center of the back surface of the head and penetrating the interior material. The grommet is formed with a diameter larger than the inner diameter of the mounting hole of the child seat, and between the back surface of the head of the pin and the flange portion that holds the interior material, and on the surface of this flange portion. With a jig that is opened and extends from the back surface of the collar portion and an insertion hole into which the shaft portion of the pin can be inserted, and is inserted into the attachment hole of the child seat, and then inserted into the insertion groove of the pin, When is rotated,
A leg portion that rotates integrally with the pin and has a protruding edge portion that is hooked on the back surface of the mounting hole; and between the shaft portion of the pin and the insertion hole of the grommet, the shaft portion of the pin is 4. The grommet is inserted into the insertion hole so that it fits into each other, and one of the concavo-convex portions that holds the shaft portion in a non-rotatable manner is formed in each of the insertion holes. Fasteners for mounting interior materials for children's seats.