JPS6230569Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement of a fastening clip for attaching interior parts of an automobile to a vehicle body.

Conventionally, a metal clip 50 as shown in FIG. 10 has been used to attach an interior part such as a plastic pillar cover material to a vehicle body pillar. This clip 50 protrudes inward from an insert main body 51 having a substantially U-shaped cross section and integrally provided with an elastic bending piece 52 that bulges outward from the vicinity of the tip and a flange 55 at the rear end of the insert. As shown in FIG.
A boss portion 46 integrally protruding from the body pillar 5 is inserted and press-fitted into the mounting opening 41 of the vehicle body pillar 40 to securely mount the vehicle body pillar 40. In this clip 50, when it is press-fitted into the vehicle body mounting opening 41, the fixing claw 56 bites into the boss part 46 of the pillar cover, and the elastic bending piece 52 of the insertion part 51 engages and is fixed to the opening edge of the mounting opening 41. Ru.

By the way, interior parts of this type may have to be replaced due to defects or damage, and with clip-structured parts, it may be necessary to forcefully remove the parts when replacing them. Since the end portion 53 of the elastic bending piece 52 is engaged with the mounting opening 41, when a force in the pulling direction is applied, the elastic bending piece 5
2 bulges outward as shown in Figure 12 and becomes increasingly difficult to remove. Then, when a larger force P in the pulling direction is applied, the fixing claw 56 that has bitten into the boss portion 46 is deformed, and the clip 50 is detached from the boss portion 46 and, as a result, falls to the inside 42 of the attachment opening 41. Therefore, although the object to be attached can be removed, the clip 50 is left behind in the vehicle body space where it is difficult to remove the vehicle pillar 40 or door. This not only causes poor workability, but also causes clips left inside the car body to shake inside the car body due to vibrations when the car is running, causing unpleasant noises, which has resulted in user complaints. It has become the best.

In view of this situation, the object of this invention is to provide a clip that can be removed integrally with the object when removing the object. Furthermore, the above object is achieved by providing the elastic bending piece with a locking pawl to the object to be attached, as described below, and this locking portion is easy to form and its operation and effects are also good. The purpose is to provide clips with a reliable configuration. That is, the clip according to this invention has a flange extending outside the U-shaped groove opening of the insert main body having a substantially U-shaped cross section, and a fixing claw protruding inside the U-shaped groove on the flange. The insertion part body has a folded part that extends from the inner bottom of the U-shaped groove toward its opening, bends inward through a bulged part that bulges out to the outside of the U-shaped groove, and whose tip is folded back to the outside. It is characterized by integrally forming an elastic bending piece having a locking pawl that projects inside the U-shaped groove along the folding line of the folding part. Embodiments of this invention will be described below with reference to the accompanying drawings.

Fig. 1 is a perspective view showing an example of the clip of this invention, Fig. 2 is a cutaway perspective view showing its inner structure, Fig. 3 is a perspective view showing another embodiment, and Fig. 4 is a further embodiment. FIG.

First, the clip 10 shown in FIGS. 1 and 2
To explain the structure of this invention regarding A, the clip of this invention consists of the clip 10 shown in FIG.
A has an insert main body 11 having a substantially U-shaped cross section, and a flange 2 on the outside of the opening of the U-shaped groove 12 of the insert main body 11.
0 and 20 are integrally extended. This collar part 20
There are fixed claws 21, 21 that protrude inside the U-shaped groove.
are provided as appropriate.

Furthermore, elastic bending pieces 13, 13 are formed on the insertion body 11 toward the opening of the U-shaped groove inner bottom 12' of the insertion body. As can be better understood from FIG. 1 and FIG. 2, which is a partially cutaway view thereof, the elastic bending piece 13 bends inward through the bulging portion 14 that bulges out to the outside of the U-shaped groove. It is formed into a continuous dogleg shape with a folded portion 15 whose tip is folded back outward. In the folded portion 15 of this elastic bending piece 13,
Hook-shaped locking pawls 17, 17 are formed along the folding line 16 and protrude inside the U-shaped groove. Therefore, it is natural that the hook-shaped locking pawl 17 is connected to the folded portion 15 via the fold line 16 and formed at the same angle as the folded portion 15. This hook-shaped locking pawl 17 is preferably formed to be inclined toward the inner bottom 12' of the U-shaped groove 12 of the insertion body 11 as shown in the figure, and
5. The rear end is formed as close to the collar portion 20 as possible.

Formation of the hook-shaped locking pawl 17 by the folded portion 15 and the notch 18 on the elastic bending piece 13 can be extremely easily formed at a desired angle by ordinary press molding. .

The clip 10B shown in FIG. 3 has an insertion portion main body 11 shaped like the elastic bending piece 13 in a shape 11B that bulges outward, and the clip 10C shown in FIG. Body bulge 11
C and the position of the bulging portion 14 of the elastic bending piece 13 in the front-back direction is different. Note that the other configurations in these examples are the same as the clip 10A shown in FIGS. 1 and 2, so common numbers will be assigned and descriptions will be omitted.

Next, the function and effect of this clip will be explained in accordance with the drawings from FIG.
An example in which the holder is attached to the vehicle body pillar 40 will be explained. First, as shown on the right side of Figure 5, clip 1
The boss portion 46 of the picover material 45 that is the object to be attached is inserted into the U-shaped groove 12 of the insertion portion main body 11 of 0A,
In this state, it is press-fitted into the mounting opening 41 of the vehicle body pillar 40 as shown on the left side of the figure. By press-fitting the cover material 45, the insertion portion main body 11 and the elastic bending piece 13 of the clip 10A are compressed inward, and the fixed claw 21 and the hook-shaped locking claw 17 of the elastic bending piece 13 are inserted into the U-shaped groove 12. The folded part 15 and the flange part 20 at the rear end of the insertion part main body 11 are engaged with the mounting opening 41 and fixed in a state in which the folded part 15 and the collar part 20 at the rear end of the insertion part main body 11 bite into the surface of the boss part 46 that has been formed, and go over the bulge part 14 of the elastic bending piece 13. . At this time, since the hook-shaped locking pawl 17 is integrally connected to the folded portion 15, the stress applied to the hook-shaped locking pawl 17 is dispersed throughout the folded portion 15, and the stress applied to the hook-shaped locking pawl 17 is dispersed throughout the folded portion 15. This prevents the hook-shaped locking pawl 17 from bending or bending backward. At the same time, the folded portion 15 engages with the edge of the mounting opening, thereby giving the locking pawl 17 a forward inclination, thereby ensuring that it bites into the boss portion 46 with a stronger force.

In contrast, FIG. 6 shows a state in which the pillar cover material 45 is removed from the mounting opening 41, but in the case of the clip of this invention, a force P in the removal direction is applied to the pillar cover material 45. Once the bulging portion 14 of the elastic bending piece 13 is applied to the mounting opening 41
When it is engaged with the inner surface and then a larger force is applied, the elastic bending piece 13 bends inward as shown in the figure and is elastically deformed with the hook-shaped locking pawl 17 biting deeply into the boss portion 46. The bulge 14 is compressed and passes through the attachment opening 41 . Therefore, the clip is removed while firmly biting into the boss portion 46 of the pillar cover material 45 to which it is attached.

7 and 8 relate to the clip 10B shown in FIG. 3, in which the insert main body 11 is formed into a bent and bulging shape similar to the elastic bending piece 13. In the case of this clip 10B, since the bulging part 11B is also formed in the insertion part main body 11, the elasticity of the entire clip when passing through the attachment opening 41 increases, and the insertion of the clip into the attachment opening 41 and the Extraction becomes much easier.

Further, FIG. 9 relates to the clip 10C shown in FIG. 4, in which the bulging portion 11C of the insertion portion main body and the bulging portion 14 of the elastic bending piece are located at different positions in the front and back direction, and is constructed in this way. In addition to the above-mentioned increase in the elastic force of the clip, the clip has the advantage of being able to select the front or rear position of the clip with respect to the attachment opening 41. In the same figure, the position shown by the solid line is a state where the bulge 14 of the elastic bending piece 13 is engaged with the opening 41 and the installation depth is shallow, while the broken line is where the bulge 11C of the insertion part main body 11 is engaged with the opening 41. The installation depth will be deeper when it is attached. Therefore, this clip 10C has versatility in that the locking depth can be adjusted, and clip parts can be used in common.

In addition, as mentioned above, the locking pawl in the clip of this invention has the advantage that it can be molded extremely easily and integrally with the folded part at the desired angle by cutting the elastic bending piece and press forming it. The clip of this invention has many advantages in terms of practical effects, such as an increase in the fixing force of the locking pawl and its reliability.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an example of the clip of this invention, Fig. 2 is a partially cutaway perspective view, Fig. 3 is a perspective view showing another embodiment, and Fig. 4 is a still further embodiment. FIG. 5 is a cross-sectional view showing the embodiment shown in FIG. 1 attached with a clip,
6 is a sectional view showing the removed state, FIG. 7 is a sectional view showing the attached state of the clip of the embodiment shown in FIG. 3, FIG. 8 is a sectional view showing the same removed state, and FIG. FIG. 4 is a cross-sectional view showing the attached state of the clip according to the embodiment, FIG. 10 is a perspective view showing an example of the conventional clip, and FIG. 11 is a cross-sectional view when the clip is attached.
FIG. 12 is a sectional view showing the removed state. 10A, 10B, 10C...Clip, 11...
...Plug body part, 11B, 11C...Bending bulge part,
12... U-shaped groove, 13... Elastic bending piece, 14...
Bulging portion, 15... Folding portion, 16... Folding line, 17
... hook-shaped locking claw, 18 ... notch, 20 ... flange,
21... Fixed claw, 40... Vehicle body pillar, 41...
Mounting opening, 45... Pillar cover material, 46... Boss portion.

Claims (1)

[Claims for Utility Model Registration] 1 U-shaped groove 12 of the insertion part main body 11 having a substantially U-shaped cross section
A flange 20 is provided extending outside the opening, and a fixing claw 21 is provided on the flange that protrudes toward the inside of the U-shaped groove. A locking pawl that bends inward through a bulging portion 14 that bulges out, has a folded portion 15 whose tip is folded back to the outside, and projects inside the U-shaped groove along a fold line 16 of the folded portion. 1. A clip characterized in that an elastic bending piece 13 having a diameter of 17 is integrally formed. 2. The clip according to claim 1 of the utility model registration claim, in which the insertion portion main body is shaped to bulge and bend outward. 3. The clip according to claim 2, in which the bulging portion of the insertion portion main body and the bulging portion of the elastic bending piece are located at different positions in the front-rear direction.