WO2012137839A1

WO2012137839A1 - Clip

Info

Publication number: WO2012137839A1
Application number: PCT/JP2012/059241
Authority: WO
Inventors: 邦康深澤
Original assignee: 株式会社ニフコ
Priority date: 2011-04-07
Filing date: 2012-04-04
Publication date: 2012-10-11
Also published as: CN103620238A; JP2012219891A; JP5682090B2; CN103620238B

Abstract

A clip comprises a pin and a grommet which includes a leg portion configured to expand outward and engage with an attached member upon insertion of the pin into the grommet. The pin includes a flange portion and a pin main body extending from a lower surface of the flange portion. The pin main body includes an engaging protrusion formed near the bottom end of the pin main body. The grommet includes a brim portion and a leg portion extending from a lower surface of the brim portion. The leg portion is provided with an opening-leg piece and a rib with a nail portion near the brim portion. The engaging protrusion formed on the pin side and the nail portion formed on the grommet side are provisionally engaged with each other when the pin is inserted into the grommet, so that the pin can be prevented from entering the grommet and being locked therein at the time of packaging.

Description

clip

The present invention relates to a clip used for a member to be attached having a mounting hole, for example, a clip for fastening a bumper, a side sill skirt, or the like of an automobile to a vehicle body.

For example, as shown in Patent Document 1, when a leg portion is composed of a plurality of elastic beams and a plurality of spread leg portions and is attached to a member to be attached, the elastic beam has an overhanging shoulder on the outer surface, and the plate thickness is thin. It is comprised so that it may become an engaging part.

Japanese Patent No. 4213550

However, the conventional clip having the above-described structure has a mechanism that prevents the pin and the grommet from coming off in the vicinity of the leg portion.
Further, there is a possibility that the pin may get into the grommet when the clip is packed, stored and transported.

This invention was made to eliminate the above-mentioned inconveniences, and provides a clip that can be temporarily held with a pin protruding.

The present invention relates to a clip in which a leg portion of a grommet expands outward and engages with a mounting member by inserting a pin into the grommet, and the pin extends to a flange portion and a lower surface of the flange portion. An engaging protrusion is formed in the vicinity of the lower end of the pin body, and the grommet includes a flange portion and a leg portion extending on the lower surface of the flange portion. Includes a leg piece and a rib, and the rib has a claw portion in a portion close to the collar portion, and the engagement protrusion formed on the pin side and the claw portion formed on the grommet side have a pin. Provided is a clip that is temporarily engaged when inserted into a grommet.
In the clip of the present invention, it is preferable that the total length of the pin is shorter than the total length of the grommet, and the tip does not protrude even when the pin is completely inserted into the grommet. According to this preferable aspect, the back pressing pressed from the back surface after fixing the clip can be prevented, and inadvertent dropping can be prevented.
In the clip of the present invention, the engagement protrusion formed on the pin body is configured such that a retaining claw that prevents the pin from coming off and a holding claw that prevents the pin from entering are arranged to face each other with a predetermined interval. preferable. According to this preferable aspect, the pin can be temporarily held at a predetermined position, and the dropping and entering of the pin during packing and transport can be prevented.
In the clip of the present invention, the rib includes a flexible rib that bends when engaged and a rigid rib that has high rigidity, and a claw portion that engages with the engaging protrusion is formed on the flexible rib. It is preferred that According to this preferable aspect, the pin and the grommet can be assembled while maintaining the rigidity of the entire grommet.
In the clip of the present invention, the rigid rib has a positioning protrusion along the inner longitudinal direction, and the pin body has a concave groove through which the protrusion is inserted along the outer peripheral longitudinal direction. It is preferable. According to this preferable aspect, positioning of a pin and a grommet becomes easy.
In the clip of the present invention, a lock claw is formed in the vicinity of the inside of the tip of the spread leg piece, and an engaging portion is formed in the vicinity of the tip of the pin body, and the pin is completely inserted into the grommet. In doing so, it is preferable that the locking claw engages with the engaging portion to hold the open leg piece in an expanded state. According to this preferred aspect, the attached member can be reliably fixed.

According to this invention, by inserting the pin into the grommet, the leg portion of the grommet expands outward and engages with the mounting member. The pin includes the flange portion and the lower surface of the flange portion. An engaging protrusion is formed in the vicinity of the lower end of the pin body, and the grommet includes a flange portion and a leg portion extending on the lower surface of the flange portion, The leg portion includes an open leg piece and a rib, and the rib has a claw portion in a portion close to the collar portion, and an engagement protrusion formed on the pin side and a claw portion formed on the grommet side Since the pin is temporarily engaged when the pin is inserted into the grommet, the protruding amount (protruding amount) of the pin can be lengthened and workability can be improved.

FIG. 1 is a front view of a clip according to an embodiment of the present invention. FIG. 2 is a side view of the clip. FIG. 3 is a bottom view of the clip. FIG. 4 is a front view of a pin used for the clip. FIG. 5 is a side view of a pin used for the clip. FIG. 6 is a plan view of a grommet used for the clip. FIG. 7 is a side view of a grommet used for the clip. FIG. 8 is a bottom view of the grommet used for the clip. FIG. 9 is a cross-sectional view showing a state where a pin is temporarily held in the clip. FIG. 10 is an explanatory view showing a use state in which the pin is completely inserted into the clip.

Hereinafter, the present invention will be described in detail with reference to the drawings showing an embodiment. 1 is a front view of a clip according to an embodiment of the present invention, FIG. 2 is a side view of the clip of the present invention, and FIG. 3 is a bottom view of the clip of the present invention. Here, the clip 10 of the present invention is such that when the pin 11 is inserted into the grommet 12, the leg portion 13 of the grommet 12 expands outward and engages with the mounting member. The flange portion 14 and a pin main body 15 extending on the lower surface of the flange portion 14, an engagement projection 16 is formed in the vicinity of the lower end of the pin main body 15, and the grommet 12 includes a flange portion 17, The leg part 13 is provided with an open leg piece 18 and a rib 19.

As shown in FIGS. 4 and 5, the pin 11 includes a disc-shaped flange portion 14 and a pin main body 15 suspended from the lower surface of the flange portion 14, and an engagement protrusion formed near the lower end of the pin main body 15. In 16, a retaining claw 20 that prevents the pin from coming off and a holding claw 21 that prevents the pin from entering are opposed to each other with a predetermined interval. Further, the retaining claws 20 and the holding claws 21 have a predetermined interval in the longitudinal direction and also have a predetermined interval in the width direction. That is, the interval in the width direction is slightly wider than the width of the flexible rib 22 of the grommet 12 and is formed in a range that does not interfere with the grommet. Further, the retaining claw 20 can be engaged with the claw portion 24 a and the holding claw 21 can be engaged with the claw portion 24 b to temporarily hold the pin 11 with respect to the grommet 12. Further, the total length of the pin 11 is shorter than the total length of the grommet 12. Furthermore, the pin main body 15 has a concave groove 27 through which a protrusion 26 formed on the rigid rib 23 is inserted along the longitudinal direction of the outer periphery. Further, an engaging portion 28 is formed near the tip of the pin main body 15, and the lock claw 18 a engages with the engaging portion 28 when the pin 11 is completely inserted into the grommet 12.

As shown in FIGS. 6 to 8, the grommet 12 includes a flange portion 17 having an opening in the center, and a substantially cylindrical leg portion 13 extending on the lower surface of the flange portion 17. The leg piece 18 and the rib 19 are provided. The open leg piece 18 is extended from the flange portion 17 in a cantilever shape, and a lock claw 18a is formed in the vicinity of the inside of the tip. The rib 19 includes a flexible rib 22 that bends when engaged, and a rigid rib 23 having high rigidity. The flexible rib 22 has

claw portions

24 a and 24 b that engage with the engaging protrusions 16. Is formed. The

claw portions

24 a and 24 b are formed to project from the left and right of the flexible rib 22. Further, the flexible rib 22 and the rigid rib 23 are joined in a cross shape at the lower end portion to constitute a bottom surface 13 a of the substantially cylindrical leg portion 13. The flexible ribs 22 and the rigid ribs 23 have different thicknesses, and the rigid ribs 23 have positioning protrusions 26 along the inner longitudinal direction.

The flange portion 17 of the grommet 12 is configured to have a larger diameter than the flange portion 14 of the pin 11, and an arc-shaped projection 25 that accommodates the outer periphery of the flange portion 14 is disposed on the surface so as to be approximately when the pin 11 is attached. It becomes the same height.

Next, how the clip 10 configured as described above is used will be described with reference to FIGS. FIG. 9 is a cross-sectional view showing a state where the pin 11 is temporarily held on the clip 10 of the present invention. The concave groove 27 formed on the side surface of the pin main body 15 is inserted along the protrusion 26 formed on the inner wall surface of the rigid rib 23 of the grommet 12. After a while, the retaining claw 20 formed on the pin main body 15 gets over the claw portion 24a, and the holding claw 21 stops at the claw portion 24b. In this state, the

claw portions

24a and 24b of the flexible rib 22 are engaged between the retaining claw 20 and the holding claw 21 of the pin body 15, and the flange portion 14 of the pin 11 protrudes upward. Is retained. Since the pin 11 is engaged with the

claw portions

24 a and 24 b by the retaining claw 20 and the holding claw 21, there is no possibility that the pin 11 will inadvertently enter during packing or the like. Moreover, the protrusion amount of a pin can be enlarged and workability | operativity can be improved. Furthermore, in this state, since the open leg piece 18 is not expanded at all, it can be easily inserted into the mounting hole formed in the mounted member.

FIG. 10 is an explanatory view showing a use state in which the pin 11 is completely inserted into the clip 10 of the present invention. When the pin 11 is further pushed in from the temporary holding state, the holding claw 21 gets over the claw portion 24b and moves forward so that the leg piece 18 is expanded. Further, when the pin body 15 moves forward, the lock claw 18a formed at the tip of the open leg piece 18 engages with the engaging portion 28 and is fixed. Thus, in the clip of the present invention, the flexible rib 22 and the rigid rib 23 are joined in a cross shape at the tip of the grommet 12 to form the bottom surface 13a of the leg portion 13, and the tip of the pin 11 protrudes from the bottom surface 13a. Therefore, there is no possibility of being pushed back from the back surface, and the fixing can be surely performed. Furthermore, when removing the pin 11, it can remove by inserting a screwdriver etc. in the lower surface of the flange part 14. FIG.

Furthermore, the present invention is not limited to the above-described embodiments, and various design changes can be made based on the description of the scope of claims.
It should be noted that the entire content of the specification, claims, drawings and abstract of Japanese Patent Application No. 2011-085215 filed on April 7, 2011 is cited herein as the disclosure of the specification of the present invention. Incorporate.

Claims

By inserting a pin into the grommet, the leg portion of the grommet expands outward and engages with the mounting member. The pin includes a flange portion and a pin extending on the lower surface of the flange portion An engaging protrusion is formed in the vicinity of the lower end of the pin main body, the grommet includes a flange portion and a leg portion extending on the lower surface of the flange portion, and the leg portion is an open leg. It has a piece and a rib, and the rib has a claw portion near the collar portion, and the engaging protrusion formed on the pin side and the claw portion formed on the grommet side insert the pin into the grommet. A clip characterized by temporary engagement.
The total length of the pin is shorter than the total length of the grommet,
The clip according to claim 1, wherein the tip does not protrude even when the pin is completely inserted into the grommet.
2. The engaging projection formed on the pin body is configured such that a retaining claw that prevents the pin from slipping out and a holding claw that prevents the pin from entering are opposed to each other with a predetermined interval. Or the clip of 2.
The rib comprises a flexible rib that bends when engaged, and a rigid rib with high rigidity,
The clip according to any one of claims 1 to 3, wherein a claw portion that engages with the engagement protrusion is formed on the flexible rib.
The rigid rib has a protrusion for positioning along the inner longitudinal direction,
The clip according to claim 4, wherein the pin body has a concave groove through which the protrusion is inserted along a longitudinal direction of an outer periphery.
A lock claw is formed in the vicinity of the inside of the tip end of the leg piece, and an engaging portion is formed in the vicinity of the tip of the pin main body. When the pin is completely inserted into the grommet, the lock claw is formed. The clip according to any one of claims 1 to 5, wherein the clip engages with the engaging portion to hold the open leg piece in an expanded state.