JP3346896B2 - Floor carpet fasteners - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor carpet fastener for fixing a floor carpet laid on a floor in a passenger compartment of an automobile or the like to the floor.

[0002]

2. Description of the Related Art In recent years, floor carpets are often laid on floors in passenger compartments.

FIG. 12 shows an example of a floor carpet mounting structure applied to a conventional passenger car.

In FIG. 12, in this structure, a mounting hole 62 is formed in a floor panel 61 on the vehicle body side corresponding to a portion where a floor carpet fastener 51 is used, and a mounting hole 72 is formed in a floor carpet 71. Are formed.

On the other hand, a floor carpet fastener 51 (hereinafter simply referred to as “fastener 51”) has a plate-shaped base 52.
And a plate-shaped upright portion 53 that rises substantially upward from the end of the base portion 52, and is provided in the base portion 52 and inserted into the mounting hole 72 to lock the floor carpet 71. And a mounting portion 55 provided on the upright portion 53 and press-fitted into the mounting hole 62 and having an elastic locking claw 55 a for mounting the upright portion 53 to the floor panel 61. And reinforcing ribs 56 and 57 are formed at corners of the base 52 and the upright 53.

In this structure, when the floor carpet 71 is laid, first, the mounting portion 55 of the fastener 51 is press-fitted into the mounting hole 62 of the floor panel 61 to fix the fastener 51 to the floor panel 61, and then the floor The floor carpet 71 is engaged with the fastener 51 with the locking portion 54 inserted into the mounting hole 72 provided in the carpet 71, thereby fixing the floor carpet 71 to the floor panel 61.

[0007]

However, in the above-mentioned conventional fastener 51, the upright portion 53 with respect to the base portion 52 is provided.
Has a fixed rising angle. For this reason, when the rising angle of the floor panel 61 is different depending on the type of the vehicle, it is necessary to prepare a fastener 51 corresponding to the rising angle every time, so that various molding dies are required, and parts management is very difficult. It is not economical. This allows
There was a problem that the cost was high.

The present invention has been made in view of the above-mentioned problems, and has as its object the floor which can be used without being affected by the rising angle of the floor panel and the like, and which can improve the versatility and reduce the cost. It is to provide a carpet fastener. Further, other objects will be clarified sequentially in the contents described below.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a mounting portion for engaging a plate-shaped base with a mounting hole on a vehicle body panel side and a mounting hole on a floor carpet side. In a resin floor carpet fastener formed integrally with a locking portion to be fitted, the base portion forms the first base portion forming the locking portion and the mounting portion. a second base are the first to form between the base and the second base consists of a thin portion which is bent in the vertical direction, the locking portion, the axis on the first base portion protrudes Jo, and has a bulging portion for retaining elastically displaced in the circumferential surface, wherein the attachment portion, the tip engagement formed on the second base portion
A pair of protruding pieces with pawls and the second base portion
An opening penetrating between the two projecting pieces, and the second base portion;
And a plate-shaped portion connected to the plate via a flexible connecting member
A projection formed in the portion, and having a length of the opening.
The length (S) is longer than the length (L) of the mounting hole of the panel.
The locking claw is engaged with a mounting hole of the panel.
The plate-like part is bent through the connecting member
The projecting piece of the plate-shaped part is inserted into the opening.
In the direction in which the locking claw is detached from the mounting hole.
It is characterized in that movement of the object can be prevented .

[0010] In addition, it is carrying out, you of claim 2
In particular, the locking portion is provided so as to cross the shaft-shaped peripheral surface back and forth, has a slit in the same direction as the pulling direction of the floor carpet, and opens the bulging portion into the slit. A substantially thickness of the floor carpet is provided on a surface on a side opposite to a direction in which a pulling force is applied to the floor carpet, on a surface opposite to a direction in which a pulling force is applied to the floor carpet. It is preferable to provide a notch for a minute .

[0011]

According to this structure, when the rising angle of the floor panel or the like on the vehicle body side is different, the thin portion provided at the portion between the mounting portion of the base portion and the locking portion is bent. , Even if the rising angles are different.

[0012] Further, a locking claw is provided at the tip, and a pair of protruding pieces inserted into and engaged with a mounting hole formed in a panel material on the vehicle body side, and the locking claw is provided in the mounting hole. The attachment portion is formed by a plate-like portion-side projection for preventing the locking claw from being moved in the direction of detaching from the attachment hole by being pressed into the opening after being engaged. So
The mounting portion can be more reliably fixed to the panel material on the vehicle body side.

The locking portion is formed in a shaft shape, and the base of the locking portion is formed on the outer periphery of the locking portion and on the surface opposite to the direction in which the pulling force is applied to the floor carpet. From the edge over the thickness of the floor carpet,
In the case where the cutout portion is provided, the edge of the mounting hole on the floor carpet side engaged with the locking portion is engaged with the cutout portion, and more secure fixing is performed.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 3 show an example of a floor carpet mounting structure using a floor carpet fastener according to the present invention. FIG. 1 is a schematic longitudinal sectional side view thereof, and FIG. 2 is a cross section taken along line AA of FIG. FIG. 3 is an exploded view showing a part of FIG. 4 to 9 show a floor carpet fastener alone according to the present invention. FIG. 4 is a perspective view seen from the back side, FIG. 5 is a plan view seen from the back side, and FIG. FIG. 7 is a plan view seen from the top side, and FIG.
FIG. 8 is a side view seen from the direction of arrow B in FIG.
FIG. 9 is a side view as seen from the direction of arrow D in FIG. In FIGS. 1 to 3, FIG.
Those denoted by the same reference numerals as those shown in FIG.

1 to 3, in this floor carpet mounting structure, a floor carpet fastener 1 is shown.
The floor panel 6 on the vehicle body side corresponds to the part where
1 has a mounting hole 62 formed therein, and a floor carpet 71 has a mounting hole 72 formed therein.

On the other hand, floor carpet fasteners 1 (hereinafter, referred to as floor carpet fasteners 1)
The “fastener 1” is made of resin (nylon), and is formed based on the plate-shaped base 2. The base 2 has a first base 2 a in which a locking portion 4 is formed which is inserted into and engaged with the mounting hole 72 on the floor carpet 71 side, and a mounting hole 62 on the floor panel 61 side of the vehicle body. A second base 2b having a mounting portion 5 which is press-fitted and locked into the second base 2b, and a thin portion 2c formed between the first base 2a and the second base 2b . the thin portion so (between the formation of the first base portion 2a and the second base portion 2b
(Thin portion) The portion 2c can be freely bent in the vertical direction. Here, the thickness of the thin portion 2c is about 1 mm.

More specifically, the locking portion 4 is formed integrally with the shaft 4 in a state of protruding substantially perpendicularly from the first base 2a. In addition, a pair of slits 11 are formed in a part from the back side of the first base portion 2a to immediately before reaching the tip of the locking portion 4.
Is provided so as to traverse the peripheral surface back and forth. In addition, on the peripheral surfaces on both sides which are located substantially at right angles to the peripheral surface where the slit 11 is opened, portions 1 bulging outward are provided.
2 are formed. The position of the bulging portion 12 from the first base 2a is set to be substantially the same as or slightly larger than the thickness of the floor carpet 71. And, in this locking part 4, the locking part 4 is a floor carpet 7.
When the inner diameter of the mounting hole 72 is smaller than the maximum width of the bulging portion 12 when inserted into the one mounting hole 72, the outer peripheral portion having the bulging portion 12 at the slit 11 is elastically inward. When the bulging portion 12 has passed through the mounting hole 72 and has been deformed and released, it is elastically restored again, and the bulging portion 12 is engaged with the hole edge on the upper surface side of the floor carpet 71, and From the floor carpet 71. Further, since the slit 11 is provided in the same direction as the pulling direction of the floor carpet 71 (for example, the direction indicated by the arrow C in FIG. 11), the rigidity of the locking portion 4 is not impaired.

The mounting member 5 is a first member 1 comprising a pair of left and right protruding pieces 15A, 15A formed on a second base 2b.
5 and the second through the flexible belt-shaped connecting member 13.
Plate portion 16A connected to the base portion 2b and the plate portion 1
6A, and a second member 16 having one protruding piece 16B protruding substantially perpendicularly from above. In addition, the second base portion 2b is provided between the protruding pieces 15 and 15A,
An opening 14 is formed. The length S (see FIG. 5) of the opening 14 is formed to be about 1.5 times larger than the length L (see FIG. 5) of the mounting hole 62. This is the projecting piece 16B of the second member 16 connected by the connecting member 13.
This is to allow the insertion of the slanting member. Further, the engaging claws 15a are provided at the tips of the protruding pieces 15A, 15A in such a manner that they protrude from both sides of each protruding piece 15A.
Are provided, and the cross section of each tip is formed like an arrow head. On the other hand, the projecting piece 16B of the second member 16 is
A locking claw 16a is provided at the tip of the protruding piece 16B so as to protrude from both sides of the protruding piece 16B, and the cross section of the tip is formed in an arrow head shape. When the projection 16B is inserted into the opening 14 from the front side of the second base 2b, as shown in FIG. Locking claw 1
5a, slightly projecting beyond 5a.
5a is set to a size that can be engaged and prevented from falling off.

In this structure, when the floor carpet 71 is laid, first, the mounting portion 5 of the fastener 1 is attached to the floor panel 61.
The fastener 1 is fixed to the floor panel 61 by press-fitting into the mounting hole 62. Then, when the mounting portion 5 is mounted, only the protrusions 15A, 15A are inserted into the mounting holes 62 before the protrusions 16B are inserted between the protrusions 15A, 15A. Also, during this insertion, the protrusion 15A, 15A strikes the hole edge of the mounting hole 62, the protrusion 15A, 15A are both elastically deformed inward, is inserted by the elastic deformation is performed easily, and La After insertion, it is elastically restored and the locking claw 1
5a is engaged with the hole edge. Subsequently, when the second member 16 is folded back at the flexible connecting member 13 and the protruding piece 16B is inserted into the opening 14 from the surface side of the second base 2b, as shown in FIG. , The locking claw 16a is
A is slightly projected beyond the locking claw 15a of A. Then, in the pulling-out direction, the locking claw 16a is attached to the locking claw 15a.
Are engaged and are prevented from coming off. As a result, the projection 15A,
15A is prevented from being moved in a direction to separate from the edge of the mounting hole 62, and the mounting portion 5 is securely mounted to the floor panel 61. In the process of inserting the projecting piece 16B of the second member 16, the second member 16 is inserted into the opening 14 while moving in an arc shape by the bending action of the connecting member 13, but as described above, the opening 14 Is formed larger than the mounting hole 62, so that the connecting member 13 does not have to be bent forcibly.

Next, the floor carpet 71 is engaged with the fastener 1 with the engaging portion 4 inserted into the mounting hole 72 provided in the floor carpet 71, whereby the floor carpet 71 is fixed to the floor panel 61. You. In this case, the bulging portion 12 functions as a retaining member, and the fixing between the locking portion 4 and the floor carpet 71 is reliably performed. By performing this same operation on the portion where each fastener 1 is provided, the floor carpet 7
1 can be fixed on the floor panel 61.

In the case where the rising angles of the floor panel 1 are different from each other, the mounting portion 5
By bending the thin portion 2c provided at the portion between the and the locking portion 4, it is possible to cope with different rising angles. Therefore, versatility is improved, small-scale mass production is possible, and parts management is easy.
The cost can be reduced and the cost can be reduced.

FIGS. 10 and 11 show a modified example of the floor carpet fastener of the present invention and a structure in which a floor carpet is attached using the same. In FIG.
1 to 9 are the same as those in FIGS. 1 to 9. In the modification shown in FIG. 10, the outer periphery of the locking portion 4 and the floor carpet 7
1 is provided with a cutout portion 17 on the surface opposite to the direction in which the pulling force is applied from the base end of the locking portion 4 to substantially the thickness of the floor carpet 71.
In this case, the hole diameter L1 of the mounting hole 72 on the carpet side is set to be smaller than the width L2 of the distal end portion of the locking portion 12, so that the engagement between the two is not released. According to this, for example, as shown in FIG. 11, even when the first base 2a is inclined in the vertical direction during the mounting process of the floor carpet 71, the hole edge of the mounting hole 72 on the floor carpet 71 side is notched. The floor carpet 71 is prevented from being inadvertently disengaged from the locking portion 4 by being engaged with the portion 17.

[0023]

As described above, according to the floor carpet fastener of the present invention, when the rising angle of the floor panel or the like on the vehicle body side is different, the portion between the mounting portion of the base and the locking portion is provided. By bending the thin portion provided in the above, it is possible to cope with a different rising angle. As a result, versatility is improved, small-quantity mass production is possible, parts management is simple, and costs can be reduced and provided at low cost.

Also, a locking claw is provided at the tip, and when inserted into a mounting hole formed in the panel material on the vehicle body side, a pair of projections engaged with the mounting hole, and the locking claw are formed. A projection on the plate-like portion side for preventing the locking claw from being moved in a direction of being separated from the edge of the mounting hole by being pressed into the opening after being engaged with the mounting hole. Since the mounting portion is formed by the pieces , the mounting portion can be more securely fixed to the panel member on the vehicle body side.

[Brief description of the drawings]

FIG. 1 is a schematic vertical sectional side view showing an example of a mounting structure using a floor carpet fastener according to the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an exploded view showing a part of FIG.

FIG. 4 is a perspective view showing the fastener alone as viewed from the rear side.

FIG. 5 is a plan view showing the fastener as viewed from the back side.

FIG. 6 is a plan view showing the fastener as viewed from above.

FIG. 7 is a side view of the fastener as viewed from the direction of arrow B in FIG. 6;

FIG. 8 is a side view of the fastener as viewed from the direction of arrow C in FIG. 6;

FIG. 9 is a side view of the same fastener as seen from the direction of arrow D in FIG.

FIG. 10 is a schematic vertical sectional side view of a mounting structure using a modified example of the floor carpet fastener of the present invention.

FIG. 11 is a schematic longitudinal sectional side view for explaining the effect of the fastener shown in FIG.

FIG. 12 is a schematic vertical sectional side view showing an example of a mounting structure using a conventional fastener.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Floor carpet fastener 2 Base 2a 1st base 2b 2nd base 2c Thin part 4 Locking part 5 Attachment part 11 Slit 12 Swelling part 13 Connection member 14 Opening 15 First member 15A 2nd base side Projection piece 15a Engagement claw 16A Plate-shaped part 16B Projection piece 16a Engagement claw 17 Notch part 61 Notch 61 Floor panel 62 Floor panel-side mounting hole 71 Floor carpet 72 Floor carpet-side mounting hole S Length of opening L Panel side mounting hole length

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-84407 (JP, A) JP-A-52-18564 (JP, A) JP-A-61-167707 (JP, A) 7533 (JP, U) Fully open 63-59208 (JP, U) Fully open 58-119434 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F16B 17/00-19 / 14 B60N 3/04 A47G 27/04

Claims (2)

(57) [Claims] Formed by integrally formed with the mounting portion for mounting in engagement with the mounting hole of the vehicle body panel side, and a locking portion which is engaged in the mounting hole of the floor carpet side to 1. A plate-shaped base portion In a resin floor carpet fastener, the base includes a first base that forms the locking portion;
Consists of a second base forming the mounting portion, and the thin portion which is bent in the vertical direction to form between the first base and the second base portion, the locking portion is protrudes axial to the first base portion, and has a bulging portion for retaining elastically displaced in the circumferential surface, the attachment portion is formed in said second base tip locking claws
A pair of protruding pieces, and formed on the second base,
An opening penetrating between the projecting pieces and a second base
A plate-like portion connected via a flexible connecting member and the plate-like portion
Having a projecting piece and the length of the opening
(S) is formed longer than the length (L) of the mounting hole of the panel.
In the state where the locking claw is engaged with the mounting hole of the panel,
The plate-shaped portion is bent via the connecting member,
By inserting the protruding piece of the plate-like portion into the opening,
Prevents the locking claw from moving away from the mounting hole
A floor carpet fastener, characterized in that it is made possible . 2. The locking portion is provided so as to cross the shaft-shaped peripheral surface back and forth, has a slit in the same direction as the pulling direction of the floor carpet, and connects the bulging portion to the slit. The floor carpet is provided on the peripheral surface on both sides thereof substantially perpendicular to the opened peripheral surface, and on the surface opposite to the direction in which pulling force is applied to the floor carpet, The floor carpet fastener according to claim 1, wherein the notch is provided over substantially the thickness of the carpet.