JPH0882310A - Parts fastener - Google Patents

Abstract

PURPOSE: To provide a parts fastener that can desirably cope with the automation of assembly without fitting directionality at the time of being fitted to parts. CONSTITUTION: The lower face of a flange part 1 is protrusively provided with a leg part 2, and the upper face is provided with four elastically-deformable claw parts 7 or more spaced equally around the neck part 4 of a fastener provided with a head part through the neck part 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stopper for parts used for fixing various parts to various mating members such as when attaching a door trim of an automobile to an inner panel of a door body. Then, a leg portion having a locking portion is projected on the lower surface of the flange portion, and a plate-shaped head is provided on the upper surface of the flange portion via the neck portion, and a part provided on the component is cut out. Insert the neck into the fixing hole, hold the periphery of the fixing hole between the flange and the head, and press the leg into the mounting hole provided in the mating member to attach the locking part of the leg. The present invention relates to a component stopper for fixing a component to a mating member by locking the component at a peripheral portion of a hole.

[0002]

2. Description of the Related Art Conventionally, the problems to be solved by the invention
When attaching a door trim of an automobile to an inner panel of a door body, there is known a method of fixing the door trim to the inner panel using a stopper a shown in FIGS. 11 and 12 (Japanese Utility Model Laid-Open No. 5-87318). That is, in this stopper a, the leg portion 2 is projectingly provided on the lower surface of the disc-shaped flange portion 1, and the disc-shaped head portion 3 is provided on the upper surface of the flange portion 1.
It is the one protruding through. The door trim b is provided with a pocket-shaped pedestal portion c, and a fixing hole e is formed in the pedestal portion c by cutting out a part d of the pedestal portion c.
By inserting the neck portion 4 of the stopper a into the fixing hole e through the notch d and holding the peripheral portion of the fixing hole e between the head portion 3 and the flange portion 1, the stopper a is attached to the door trim. b
The leg portion 2 of the stopper a is press-fitted into the mounting hole g provided in the inner panel f of the door body so that the elastically deformable locking projection 5 provided in the leg portion 2 is mounted in the mounting hole. The door trim b is fixed to the inner panel f by engaging the peripheral edge of g and fixing the stopper a to the inner panel f.

In this case, on the lower surface of the flange portion 1 of the stopper a, there is provided an elastically deformable hakama portion 6 formed in a ring plate shape so as to surround the base end portion of the leg portion 2 along the circumferential direction. The hakama 6 gradually inclines downward (toward the tip of the leg 2) from the inside to the outside. And FIG.
As shown in FIG. 5, the lower surface of the peripheral edge of the hakama 6 abuts the inner panel f so that the hakama 6 bends slightly upward (to the flange 1 side), and the elastic force of the hama 6 causes the stopper a to move to the inner side. The panel f is fixed without rattling. Further, around the neck portion 4, three elastically deformable claw portions 7, 7, 7 are provided so as to project obliquely upward and outward from the base end side of the neck portion 4, as shown in FIG. As shown in FIG. 5, these claw portions 7, 7, 7 contact the inner peripheral surface of the fixing hole e, and the elastic force of the claw portions 7 holds the neck portion 4 in the central portion of the fixing hole e, and the stopper a A rattling between the door trim b and the door trim b is prevented.

Here, the neck 4 of the stopper a having the three claws 7, 7, 7 provided on the neck 4 in this way is inserted into the fixing hole e of the door trim b, and the stopper a is attached to the door trim b. 13B, depending on the insertion direction of the neck portion 4, one of the claw portions 7, 7, 7 provided on the neck portion 4 is used for inserting the fixing hole e as shown in FIG. 13B. Located in the notch d, the claws 7 do not uniformly press against the inner peripheral surface of the fixing hole e, and the neck 4 becomes eccentric from the center of the fixing hole e.
Moreover, rattling occurs in the attached stopper a.

Therefore, conventionally, a knob piece h is projected from the neck portion 4 toward the outside, and the knob piece h is grasped to insert the neck portion 4 of the stopper a into the fixing hole e from the notch portion d. Due to
Although the insertion direction of the neck portion 4 is regulated so that all the three claw portions 7 contact the inner peripheral surface of the fixing hole e, in this case, the insertion direction of the stopper a into the fixing hole e is regulated at the time of mounting. Therefore, it is difficult to automate the assembly work.

The present invention has been made in view of the above circumstances, and it is possible to securely mount a component on a mating member without rattling, and there is no directivity at the time of mounting, and the component can be securely mounted in any direction. Another object of the present invention is to provide a stopper for parts that can be reliably assembled to a mating member and that can respond well to automation of assembly work.

[0007]

In order to achieve the above-mentioned object, the present invention has a leg portion having an elastically deformable engaging protrusion portion protruding from the lower surface of the flange portion, and a neck portion on the upper surface of the flange portion. A plate-shaped head is provided through, and the neck portion is inserted into the fixing hole that is partially cut out provided in the part, and the periphery of the fixing hole is provided between the flange portion and the head portion. A component stopper for fixing a component to a mating member by holding the leg portion and press-fitting the leg portion into a mounting hole provided in the mating member to lock the locking protrusion around the mounting hole, A structure in which four or more elastically deformable claw portions are evenly provided at equal intervals around the neck portion, and the claw portions press the inner peripheral portion of the fixing hole to prevent rattling. Provided is a stopper for a component characterized by the above.

The present invention also provides, as a preferred embodiment,
When an elastically deformable ring plate-shaped hakama that inclines downward as it goes outward is provided on the lower surface of the flange so as to surround the base end of the leg, and the leg is inserted and fixed in the mounting hole of the mating member. , Abutting against a mating member with the hakama part elastically deformed,
(EN) Provided is a stopper for a component configured to prevent rattling between a mating member and its counterpart due to its elastic force.

[0009]

As described above, the fastener of the component of the present invention has the neck portion inserted into the notched fixing hole provided in the component so that the component is mounted between the head portion and the flange portion. By holding the periphery of the hole and attaching it to the component, by press fitting the leg into the attachment hole provided in the mating member and locking the elastically deformable locking projection provided on the leg around the mounting hole , The component is fixed to a mating member, and in this case, the elastically deformable claw portion provided around the neck portion abuts on the inner periphery of the fixing hole of the component, and the elastic force causes the neck portion to move to the center portion of the fixing hole or It is held in place and is prevented from rattling with its components.

Here, in the fastener of the present invention, four or more of the above-mentioned claw portions are provided, and these claw portions are equally spaced from each other and are evenly arranged around the neck portion. , When inserting the neck into the fixing hole from the notch, even if one claw is located inside the notch, at least three claws contact the inner circumference of the fixing hole, and the elastic force causes the neck to move. It is possible to reliably hold the central portion of the fixing hole or a predetermined position, and to reliably prevent rattling of components.

Therefore, according to the stopper of the present invention, when the neck portion is inserted into the fixing hole from the cutout portion of the fixing hole, the stopper can be properly attached to the component regardless of the direction of insertion. Therefore, unlike the conventional stopper, it is not necessary to provide a knob portion that regulates the insertion direction, and it is possible to favorably automate the assembling work.

Further, as in the above-mentioned embodiment, by providing the ring plate-shaped hakama portion which is gradually inclined downward as it goes outward, the leg part lower end is provided so as to surround the leg base end,
When the leg portion is inserted and fixed in the mounting hole of the mating member, the hakama portion abuts the mating member in a state of being elastically deformed to prevent rattling due to its elastic force, and the thickness of the mating member. Can absorb changes in

[0013]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 10 show a stopper of a component according to an embodiment of the present invention, which is a component b such as a door trim of an automobile and a mating member f such as an inner panel of a door.
It is attached to.

In the figure, reference numeral 1 denotes a disk-shaped flange portion. A leg portion 2 is projectingly provided at a central portion of a lower surface of the flange portion 1, and a neck portion 4 having a cross-shaped cross-section is projected at a central portion of an upper surface. A disk-shaped head portion 3 is provided on the upper end of the neck portion 4 in parallel with the flange portion 1.

As shown in FIGS. 5 and 6, the flange portion 1 has a peripheral edge portion formed in a V-shaped cross section.
This peripheral portion is elastically deformable. Also,
On the lower surface of the flange portion 1, there is provided a ring plate-shaped hull portion 6 which is gradually inclined downward from the outer periphery of the base end of the leg portion 2 toward the outer periphery. It is deformable.

The leg portion 2 is provided with a long plate-shaped leg body 8 having a sword-like tip at the center of the lower surface of the flange portion 1 and is projected upward from the tip portion of the leg body 8. Elastically deformable locking pieces 9, 9 are provided in a protruding manner. As shown in FIG. 8, the locking pieces 9 and 9 constituting the leg portion 2 are formed in a substantially sickle-shaped cross section, and as shown in FIGS. 2 and 5, their outer surfaces are From the base end to the tip side (top)
As it goes toward the outside, it gradually bulges outward, and is inclined inward at the tip (upper end), and locking projections 5 and 5 are formed on the outer surfaces of the respective upper portions. Further, as shown in FIG. 8, above the tip of the leg body 8 to which the locking pieces 9 and 9 are connected, between the leg body 8 and the locking pieces 9 and 9, as shown in FIG. A slit-shaped gap is provided.
This slit-shaped gap is shown in FIG. 2, in which the one side gap of each locking piece 9 is narrow and the other side gap of each locking piece 9 is wide. Thus, when the leg portion 2 is viewed from the front, the one locking piece 9 and the leg body 8 are
A slit-shaped gap is formed between
Between the other locking piece 9 and the leg body 8, the inside of the locking piece 9 is open.

Further, on the upper surface of the flange portion 1, four claw portions 7, 7, 7, 7 which are elastically deformable outward from the base end of the neck portion 4 are provided so as to project outward. The claw portions 7, 7, 7, 7 are evenly provided around the neck portion 4 at equal intervals.

The stopper is formed of a synthetic resin by integrally molding the above parts. Also,
In the figure, 10 and 10 are punch holes provided in the head 3 for pulling out the molding pins for molding the claw portions 7, 7, 7, 7.

Next, the usage and operation of this stopper will be described. When a component b such as a door trim of an automobile is attached to a mating member f such as an inner panel of a door by using this stopper, the component b formed on the component b is the same as the stopper of the conventional example shown in FIG. Insert the neck portion 4 of the fastener of this example into the fixing hole e having a cutout portion from the cutout portion d,
As shown in FIG. 9, the fastener of this example is attached to the component b by holding the periphery of the fixing hole e between the lower surface of the head 3 and the flange portion 1, and the leg portion 2 of this fastener is opposed. By press-fitting into the mounting hole g provided in the member f, the locking projections 5 and 5 of the locking pieces 9 forming the leg portion 2 are engaged with the rear side of the peripheral edge of the mounting hole g, Fix the stopper in the mounting hole g,
As a result, the component b and the mating member f are connected and fixed to each other.

In this case, when the neck 4 of the stopper is inserted into the fixing hole e from the notch d of the fixing hole e and the stopper is attached to the component b, the neck 4 is inserted into the notch d. The claws 7 come into contact with the inner surface of the notch d, and in this state, the neck 4 is pressed toward the fixing hole e, whereby each claw 7 bends inward and passes through the notch d. When the neck portion 4 reaches the inside of the fixing hole e, as shown in FIG. 10, each of the claw portions 7 elastically returns to be in contact with the inner peripheral surface of the fixing hole e.

When the leg portion 2 of the stopper is press-fitted into the mounting hole g of the mating member f, the outer surfaces of the two locking pieces 9, 9 of the leg portion 2 come into contact with the inner peripheral surface of the mounting hole g and move inward. Is pressed, both the locking pieces 9 and 9 are bent inward, and the locking projections 5 and 5 are attached to the mounting holes g.
When reaching the opposite side, the both locking pieces 9 and 9 elastically return to engage the two locking projections 5 and 5 with the peripheral edge portion on the opposite side of the mounting hole g, and the stopper is fixed to the mating member f. , Then the hakama part 6 of the stopper
The lower surface of the skirt comes into contact with the mating member f, and the skirt portion 6 is elastically deformed.

In this case, the neck portion 4 of the stopper of this example mounted in the fixing hole e of the component b is held in the center portion of the fixing hole e by the elastic force of each of the claws 7 and is moved forward and backward. The rattling in the left-right direction is prevented. Even if the position of the fixing hole e and the position of the mounting hole g are slightly deviated from each other, the claw portion 7,
By elastically deforming 7, 7, 7, the positional deviation can be absorbed and the neck portion 4 can be held at a predetermined position of the fixing hole g, and rattling can be prevented and the component b can be favorably attached.

Further, as shown in FIG. 9 (A),
The upper surface of the peripheral edge portion of the flange portion 1 formed in an inverted V shape abuts on the lower surface of the component b, and it is possible to absorb the rattling in the up-and-down direction by the elastic force, and the thickness of the component b is slightly different. Even if it changes, the peripheral portion of the flange portion 1 elastically deforms, so that the periphery of the fixing hole e can be favorably held without rattling. Further, as shown in FIG. 9 (B), even in the component b ′ having a considerably thin thickness, since the outer surface of each claw portion 7 is an inclined surface 7a that spreads outward as it goes upward, The periphery of the fixing hole e is pressed downward by the elastic force of the claw portion 7 so that the lower surface of the component b ′ abuts the upper surface of the flange portion 1 and can be held well without rattling. .

Here, in the stopper of this example, the four claw portions 7 are provided, and these claw portions 7 are equally spaced from each other and are evenly arranged around the neck portion 4. Therefore, as shown in FIG. 10 (B), when the neck portion 4 is inserted into the fixing hole e from the cutout portion d, at least 3 even if the one claw portion 7 is located in the cutout portion d. The two claws 7 are in contact with the inner circumference of the fixing hole e, and the elastic force thereof holds the neck 4 securely at the center of the fixing hole or at a predetermined position, and surely prevents rattling of the component b. You can

That is, in the stopper of this embodiment, no matter which direction the neck 4 is inserted into the fixing hole e of the component b from any direction, at least three claws 7 reliably contact the inner peripheral surface of the fixing hole e, The neck portion 4 can be held in the center portion of the fixing hole e or at a predetermined position, and it can be satisfactorily attached to the fixing hole e by preventing its rattling, and has no attachment directionality. Therefore, unlike the conventional stopper, it is not necessary to provide a knob for regulating the insertion direction, and it is possible to favorably automate the assembling work.

On the other hand, the elastic force of the skirt portion 6 abutting on the mating member f in an elastically deformed state allows the mating member f to be well fixed without rattling. Furthermore, even if the thickness of the mating member f changes due to the elastic deformation of the hakama 6, it can be satisfactorily absorbed and can be satisfactorily fixed to the mating member of various thicknesses without rattling. .

The stopper of the present invention is not limited to the above embodiment, and the shapes of the flange 1, the leg 2, the locking projection 5, the head 3 and the neck 4 are appropriately changed. It is possible to omit the hakama 6 or to provide five or more claws 7, and other configurations can be variously modified without departing from the gist of the present invention.

[0028]

As described above, according to the fastener for a component of the present invention, four or more claw portions are evenly provided at equal intervals around the neck portion, so that the neck portion is provided with a fixing hole for the component. When inserting into the part by inserting it from the notch of the fixing hole,
No matter which direction the stopper is inserted from, at least three claws come into contact with the inner circumference of the fixing hole to hold the neck securely in the center of the fixing hole or at a predetermined position and prevent rattling. It is possible that there is no restriction on the mounting direction. Therefore, according to the fastener of the component of the present invention, it is not necessary to provide a gripping portion or the like for restricting the mounting direction unlike the conventional fastener, and the assembly work can be favorably coped with. It is possible.

[Brief description of drawings]

FIG. 1 is a plan view showing a stopper for a component according to an embodiment of the present invention.

FIG. 2 is a front view showing the stopper.

FIG. 3 is a side view showing the stopper.

FIG. 4 is a bottom view showing the stopper.

5 is a cross-sectional view taken along the line AA of FIG. 1 showing the stopper.

FIG. 6 is a cross-sectional view taken along the line BB of FIG. 1, showing the stopper.

FIG. 7 is a sectional view taken along the line CC of FIG. 2 showing the fastener.

FIG. 8 is a sectional view taken along the line D-D of FIG. 2 showing the stopper.

FIG. 9 is a cross-sectional view showing a state in which a component is attached to a mating member using the fastener, showing two modes of (A) and (B).

FIG. 10 is a cross-sectional view taken along the line EE of FIG. 9 (A) showing a state in which the component is attached to the mating member using the fastener, and the insertion directions are different (A) and (B). It shows an embodiment.

FIG. 11 is a perspective view showing a stopper for a conventional component.

FIG. 12 is a cross-sectional view showing a state in which a component is attached to a mating member using the fastener.

FIG. 13 is a cross-sectional view taken along the line FF of FIG. 12, showing a state in which a component is attached to a mating member using the fastener.
It shows two modes (A) and (B) having different insertion directions.

[Explanation of symbols]

 1 flange part 2 leg part 3 head part 4 neck part 5 locking projection part 6 hakama part 7 claw part 8 leg body 9 locking piece b part d notch part e fixing hole f mating member g mounting hole

Claims (2)

[Claims] 1. A component comprising a leg portion having an elastically deformable locking protrusion on a lower surface of a flange portion, and a plate-shaped head portion provided on the upper surface of the flange portion via a neck portion. The mounting hole provided in the mating member by inserting the neck portion into the fixing hole that is partially cut out to hold the periphery of the fixing hole between the flange portion and the head portion. In a stopper of a component for fixing the component to a mating member by press-fitting into the periphery of the mounting hole by press-fitting into the mounting hole, four or more elastically deformable claw portions are provided around the neck portion. A fastener for a component, characterized in that it is provided at equal intervals and evenly provided, and these claw portions press the inner peripheral portion of the fixing hole to prevent rattling. 2. An elastically deformable ring-plate-shaped hakama that inclines downward toward the outside on the bottom surface of the flange is provided so as to surround the base end of the leg, and the leg is inserted into a mounting hole of a mating member. 2. The component according to claim 1, which is configured to abut against a mating member in a state where the hakama part is elastically deformed when fixed by the fixing, and to prevent rattling between the mating member and the mating member due to its elastic force. Stop.