WO2014092053A1

WO2014092053A1 - Retainer and structure for attachment by means of grommet

Info

Publication number: WO2014092053A1
Application number: PCT/JP2013/082993
Authority: WO
Inventors: 博文堀; 真崇早乙女; 貴志岩中
Original assignee: 株式会社ニフコ
Priority date: 2012-12-10
Filing date: 2013-12-09
Publication date: 2014-06-19
Also published as: CN104822953B; JP5851388B2; JP2014114887A; CN104822953A

Abstract

The present invention prevents the co-rotation of a retainer (10) during screw (50) fastening. A grommet (12) and the retainer (10) are attached to a side member (16). The grommet (12) has a shaft section (22) and a flange section (24), and the shaft section (22) is inserted into an attachment hole (20) of the side member (16). The retainer (10) has: a through hole (40); a fastening section (34) for mounting a bumper (14); and a locking claw (60). By means of fastening the screw (50) to the through hole (40) and the shaft section (22), final fastening of the bumper (14) to the side member (16) is performed. At such a time, the locking claw (60) of the retainer (10) engages the flange section (24) of the grommet (12), and so does not relatively rotate.

Description

Mounting structure with retainer and grommet

The present invention relates to an attachment structure using a retainer and a grommet for attaching an attachment member such as a bumper to an attachment member such as an automobile panel.

Conventionally, as an attachment structure for attaching an attachment member such as a bumper to an attachment member such as an automobile panel, there is, for example, Patent Document 1. In this attachment structure, the bumper is attached to the vehicle body via a retainer attached to the vehicle body.

JP 2009-101726 A

The present invention provides a mounting structure using a retainer and a grommet that can prevent the retainer from co-rotating at the time of fastening, suppress the deformation of the retainer and the mounting member due to rotational torque, and eliminate the influence on the appearance.

According to a first aspect of the present invention, a flange portion is formed at one end of the shaft portion, and the shaft portion is inserted into the mounting hole of the mounted member so that the grommet is attached to the mounted member; A retainer having a mounting portion for mounting to a mounted member, a through hole for mounting to the grommet, and a mounting portion for mounting the mounting member, a flange portion of the grommet, and the through hole in the retainer The retainer is fixed to the grommet when the mounting member is permanently fixed to the mounted member by fastening a fastening member to the through hole and the grommet. Provided is a mounting structure using a retainer and a grommet having a rotation preventing member that prevents the fastening member from rotating in the direction around the axis.

In the above aspect, the grommet shaft is inserted into the mounting hole of the mounted member, and the grommet is attached to the mounted member. Next, the attachment member is attached to the attachment portion of the retainer attached to the attached member by the attachment portion. Next, the fastening member is fastened to the to-be-attached member by fastening the fastening member into the through hole and the grommet of the retainer. At this time, when the retainer tries to rotate in the direction around the axis of the shaft portion of the fastening member by the rotation of the fastening member, the retainer is formed by the rotation preventing portion formed in at least one of the flange portion of the grommet and the vicinity of the through hole in the retainer. Is prevented from rotating in the direction around the axis of the fastening member with respect to the grommet. For this reason, it can prevent that a retainer rotates together by rotation of a fastening member. As a result, it is possible to suppress the deformation of the retainer and the mounting member due to the rotational torque, and eliminate the influence on the appearance.

In the first aspect of the present invention, the second aspect of the present invention may be a locking claw that is formed on the retainer and that engages with a flange portion of the grommet.

In the above aspect, the rotation preventing portion is a locking claw formed on the retainer side, and this locking claw is engaged with the flange portion of the grommet. Therefore, the grommet can be applied to other vehicles, and the grommet can be shared.

According to a third aspect of the present invention, in the second aspect of the present invention, the locking claw may be formed at a distal end portion of an elastically deformable extending portion that extends from the retainer.

In the above aspect, when the retainer is assembled, the extending portion extending from the retainer is elastically deformed, so that the locking claw formed at the distal end portion of the extending portion is attached to the attached member. Easily engages the flange part of the grommet. For this reason, assembly workability improves.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the retainer claw is provided on the back surface side of the engagement surface with the flange portion from the front end side to the rear end side in the assembly direction of the retainer. An inclined surface that increases the thickness of the locking claw may be formed.

In the above aspect, when the retainer is assembled, the inclined surface formed on the back surface side of the engagement surface with the flange portion of the locking claw slides with the flange portion of the grommet attached to the attached member. The extended portion extended from the retainer is easily elastically deformed. For this reason, assembly workability improves.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, the rotation preventing member has both sides sandwiching at least one of the shaft portion of the grommet and the through hole of the retainer. It may be formed.

In the above aspect, even when the rotation direction of the fastening member is different, the retainer is shared by any one of the anti-rotation members formed on both sides of at least one of the shaft portion of the grommet and the through hole of the retainer. Can prevent turning.

Since the first aspect of the present invention has the above-described configuration, it is possible to prevent the retainer from rotating together at the time of fastening, and to suppress the deformation of the retainer and the mounting member due to the rotational torque, thereby eliminating the influence on the appearance.

Since the second aspect of the present invention is configured as described above, the grommet can be shared.

Since the third aspect of the present invention has the above configuration, the assembly workability is improved.

Since the fourth aspect of the present invention has the above configuration, the assembly workability is improved.

Since the fifth aspect of the present invention has the above-described configuration, it is possible to prevent the retainer from co-rotating even when the rotation direction of the fastening member is different.

It is the perspective view seen from the vehicle slant front inner side which shows the attachment structure by the retainer and grommet which concerns on 1st Embodiment of this invention. It is the disassembled perspective view seen from the vehicle diagonally forward inner side which shows the attachment structure by the retainer and grommet which concerns on 1st Embodiment of this invention. It is the side view seen from the vehicle width direction inner side which shows the attachment structure by the retainer and grommet which concerns on 1st Embodiment of this invention. It is the top view seen from the vehicles upper part which shows the attachment structure by the retainer and grommet which concern on 1st Embodiment of this invention. FIG. 5 is an enlarged cross-sectional view taken along a line 5-5 in FIG. It is the side view seen from the vehicle width direction outer side which shows the vehicle rear part to which the attachment structure by the retainer and grommet which concerns on 1st Embodiment of this invention was applied. It is the perspective view seen from the vehicle diagonal front side which shows the attachment structure by the retainer and grommet which concerns on 2nd Embodiment of this invention. FIG. 8 is an enlarged cross-sectional view taken along a line 8-8 in FIG. 7. It is the disassembled perspective view seen from the vehicle diagonal front side which shows the attachment structure by the retainer and grommet which concerns on 3rd Embodiment of this invention. FIG. 10 is an enlarged cross-sectional view taken along the line 10-10 in FIG. 9 showing an assembly of a mounting structure using a retainer and a grommet according to a third embodiment of the present invention.

(First embodiment)
Next, a first embodiment of a mounting structure using a retainer and a grommet according to the present invention will be described with reference to FIGS.
In the drawings, members (components) having the same or corresponding functions are denoted by the same reference numerals and description thereof is omitted as appropriate. Further, in the figure, an arrow RE indicates a vehicle rear direction of an automobile to which the retainer and grommet mounting structure of the present embodiment is applied, an arrow UP indicates a vehicle upward direction, and an arrow IN indicates a vehicle width inner direction.

As shown in FIG. 6, the retainer and grommet mounting structure according to the present embodiment has a retainer 10 and a grommet 12, and a rear bumper 14 (mounting member) as a mounting member is used as a mounted member side of a vehicle body. It is attached to the member 16 (attachment member). The retainer 10 is made of, for example, a synthetic resin and has a long shape with the longitudinal direction of the vehicle body being the longitudinal direction.

A plurality of insertion holes (not shown) are formed at predetermined intervals in the longitudinal direction of the vehicle body at the site of the side member 16 to which the retainer 10 is attached. On the other hand, the retainer 10 is integrally provided with a clip portion 17 (attachment portion) and a convex portion 19 (attachment portion) as an attachment portion inserted into the insertion hole of the side member 16, and these clip portions. 17 and the convex part 19 protrude to the inner side surface side of the retainer 10 in the vehicle width direction.

The clip portion 17 includes a plurality of claws, and each claw is configured to expand by inserting a mounting screw 21 between the claws. Further, a grommet (not shown) corresponding to the shape of the clip portion 17 is attached to each insertion hole of the side member 16. For this reason, the nail | claw of the clip part 17 by the side of the retainer 10 engages with the grommet attached to the side member 16 when the attachment screw 21 is inserted and expanded.

On the other hand, the convex portion 19 is only inserted into the insertion hole of the side member 16, and the mounting screw 21 is not used. Note that the positions of the clip portion 17 and the convex portion 19 are not limited to the illustrated positions. Further, the position of the convex portion 19 may be the clip portion 17.

The upper wall portion 10A of the retainer 10 is provided with a plurality of mounting portions 23 at predetermined intervals in the longitudinal direction of the retainer 10. On the other hand, a claw portion (not shown) is integrally formed on the back surface of the bumper 14 so as to protrude inward in the vehicle width direction at a position corresponding to the mounting portion 23 of the retainer 10. Therefore, the bumper 14 is mounted on the retainer 10 by the claw portion of the bumper 14 being locked to the mounting portion 23 of the retainer 10.

As shown in FIG. 5, the grommet mounting portion 16 A of the side member 16 includes a vertical wall portion 16 B of the side member 16 that constitutes a side wall portion of the vehicle body, and a vertical wall portion of the side member 16 that is the inner side in the vehicle width direction of the bumper 14. It is formed between 16C and is a flat portion bent substantially horizontally along the vehicle width direction.

As shown in FIG. 2, a rectangular mounting hole 20 for mounting the grommet 12 is formed in the grommet mounting portion 16A of the side member 16. On the other hand, the grommet 12 is made of, for example, a synthetic resin, and includes a rectangular columnar shaft portion 22 and a rectangular plate-shaped flange portion 24 formed in a bowl shape at one end of the shaft portion 22. ing. Further, the shaft portion 22 can be inserted into the mounting hole 20, and a temporary fastening claw 26 that protrudes from the outer peripheral portion 22 A of the shaft portion 22 to be engaged with the peripheral portion of the mounting hole 20 in the side member 16 is formed to protrude. Yes. A rectangular frame-shaped packing 27 is attached to the root portion of the shaft portion 22 of the grommet 12, and the packing 27 is sandwiched between the flange portion 24 of the grommet 12 and the grommet mounting portion 16 A of the side member 16. It is like that. Note that an inclined surface 28 is formed on the inner side in the vehicle width direction of the tip portion of the shaft portion 22 of the grommet 12, and this inclined surface 28 serves as a guide when the shaft portion 22 is inserted into the mounting hole 20.

The flange portion 24 of the grommet 12 has an elongated shape along the vehicle front-rear direction, and both sides of the vehicle front-rear direction across the shaft portion 22 are extended portions 24A on the vehicle front side and extended on the vehicle rear side. It is part 24B. Further, a fastening hole 30 is formed at the center of the flange portion 24, and as shown in FIG. 5, the fastening hole 30 extends from the flange portion 24 along the axial center of the shaft portion 22 to the tip of the shaft portion 22. It extends in the direction.

As shown in FIG. 2, a fastening portion 34 is formed at an intermediate portion in the extending direction on the vehicle front side of the upper wall portion 10 A extending in the front-rear direction of the retainer 10. The fastening portion 34 is formed with a portion projecting upward of the vehicle, and the upper end portion 34 A is a substantially horizontal contact surface along the mounting portion 14 A of the bumper 14. In addition, the upper end 34A of the fastening portion 34 of the retainer 10 and the flange portion 24 of the grommet 12 sandwich the mounting portion 14A of the bumper 14 from the vehicle vertical direction, and the upper end 34A of the fastening portion 34 of the retainer 10 and the side The flange portion 24 of the grommet 12 and the mounting portion 14A of the bumper 14 are sandwiched from the vehicle vertical direction by the grommet mounting portion 16A of the member 16. On the other hand, as shown in FIG. 5, the lower surface 34 B of the fastening portion 34 is an inclined surface that is inclined from the lower outside in the vehicle width direction to the upper inside in the vehicle width direction.

As shown in FIG. 2, the fastening portion 34 of the retainer 10 is formed with an oval through hole 40 whose longitudinal direction is the vehicle front-rear direction, and the mounting portion 14 A of the bumper 14 facing the through hole 40. Also, a through hole 41 is formed. As shown in FIG. 5, the through hole 40 is formed perpendicular to the lower surface 34 B of the fastening portion 34, and is inclined from the inner lower side in the vehicle width direction to the upper outer side in the vehicle width direction. Further, the shaft portion 22 of the grommet 12 is also inclined with respect to the flange portion 24 from the lower side in the vehicle width direction to the upper side in the vehicle width direction.

A locking claw 60 (anti-rotation) serving as an anti-rotation member is provided on a portion of the upper wall portion 10A of the retainer 10 near the through-hole 40, that is, on both sides in the vehicle front-rear direction across the through-hole 40 of the retainer 10. Each member is formed. That is, these locking claws 60 are formed on both sides of the shaft portion 22 on a surface orthogonal to the shaft portion 22 of the grommet 12.

Each latching claw 60 is formed to project upward from a seat portion 61 projecting from the upper wall portion 10 A of the retainer 10 to a distal end portion of an extending portion 62 that linearly extends in the vehicle width inner side direction. The extending portion 62 is elastically deformable in the vehicle vertical direction. Further, the engagement surface 60A, which is the outer surface in the vehicle width direction of each locking claw 60, is formed in the counterclockwise rotation direction of FIG. 4 (the direction of arrow A in FIG. 4) with the retainer 10 centering on the axis of the shaft portion 22 of the grommet 12. ) Or when rotating in the clockwise direction of FIG. 4 (in the direction of arrow B in FIG. 4), the retainer 10 rotates by engaging with the extended portion 24A or the extended portion 24B of the flange portion 24 of the grommet 12. Is to prevent.

As shown in FIG. 5, the contact surfaces of the engagement surface 60A and the extending

portions

24A and 24B are slightly inclined from the lower side in the vehicle width direction to the upper side in the vehicle width direction. It has become difficult. Further, the inner surface in the vehicle width direction which is the back surface side of the engaging surface 60A of the locking claw 60 is an inclined surface 60B, and the inner side in the vehicle width direction of the locking claw 60 is the mounting direction to the side member 16 (FIG. The thickness M1 increases from the inner side in the vehicle width direction, which is the front end side in the direction of arrow C in FIG. 5, toward the outer side in the vehicle width direction, which is the rear end side.

Therefore, when the retainer 10 is moved in the mounting direction to the side member 16 (the direction of arrow C in FIG. 5), the inclined surface 60B slides between the side member 16 and the flange portion 24 of the grommet 12, thereby 62 is elastically deformed to the vehicle lower side. For this reason, the engaging surface 60A of the locking claw 60 can be easily engaged with the extending

portions

24A and 24B of the flange portion 24 of the grommet 12.

A screw 50 (fastening member) as a fastening member is inserted into the through hole 40 of the retainer 10 from the obliquely inner lower side of the vehicle, and the tip portion 50A of the screw 50 is fastened into the fastening hole 30 of the grommet 12. Yes. Further, the through hole 40 of the retainer 10 and the fastening hole 30 of the grommet 12 are inclined from the lower side in the vehicle width direction toward the outer side in the vehicle width direction, and the tightening direction of the screw 50 is from the lower side inside the vehicle width direction. It is an oblique direction toward the outside in the width direction.

(Function)
Next, the operation of this embodiment will be described.
In the present embodiment, the shaft portion 22 of the grommet 12 is inserted into the mounting hole 20 of the grommet mounting portion 16A of the side member 16 from the vehicle lower side, and the temporary fixing claw 26 is engaged with the peripheral portion of the mounting hole 20 of the side member 16. The grommet 12 is attached to the side member 16 (temporarily fixed). Next, the clip portion 17 and the convex portion 19 of the retainer 10 are inserted into the insertion holes of the side member 16, and the retainer 10 is attached to the side member 16 with the attachment screw 21. Next, the claw portion of the bumper 14 is locked to the mounting portion 23 of the retainer 10, and the bumper 14 is mounted on the retainer 10. Next, the screw 50 is tightened into the through hole 40 of the retainer 10 and the fastening hole 30 of the grommet 12 from the lower side of the vehicle, and the bumper 14 is permanently fixed to the side member 16.

At this time, when the retainer 10 tries to rotate in the direction around the axis of the screw 50 (in the direction of arrow A in FIG. 4) due to the rotation of the screw 50, the engagement surface 60 A of the locking claw 60 on the vehicle front side of the retainer 10 is The retainer 10 is prevented from rotating together by engaging (contacting) with the extended portion 24A of the flange portion 24 of the grommet 12. For this reason, the deformation of the retainer 10 and the bumper 14 due to the rotational torque of the screw 50 can be suppressed, and the influence on the appearance can be eliminated. Furthermore, in order to prevent the appearance defect of the bumper 14 caused by the retainer 10 co-rotating at the time of fastening, there is no need for the operator to hold the bumper 14 and the assembling workability is improved.

On the other hand, in the side member and the bumper on the opposite side surface in the vehicle width direction, the retainer 10 tries to rotate in the direction around the axis of the screw 50 (the direction of arrow B in FIG. 4) by the rotation of the screw 50. In this case, the engaging surface 60A of the locking claw 60 on the vehicle rear side of the retainer 10 is engaged (contacted) with the extended portion 24B of the flange portion 24 of the grommet 12 to prevent the retainer 10 from rotating together. To do. For this reason, the deformation of the retainer 10 and the bumper 14 due to the rotational torque of the screw 50 can be suppressed, and the influence on the appearance can be eliminated. Furthermore, in order to prevent the appearance defect of the bumper 14 caused by the retainer 10 co-rotating at the time of fastening, there is no need for the operator to hold the bumper 14 and the assembling workability is improved.

Therefore, in this embodiment, even when the rotation direction of the screw 50 is different, it is possible to prevent the retainer 10 from rotating together due to the rotation of the screw 50.

In the present embodiment, when the screw 50 is tightened, the clearance between the through hole 40 of the fastening portion 34 of the retainer 10 and the screw 50 is caused by the pulling force (arrow F1 in FIG. 5) between the grommet 12 and the screw 50. The retainer 10 and the bumper 14 are about to move outward in the vehicle width direction (in the direction of arrow D in FIG. 5). At this time, the engaging surfaces 60A of the respective locking claws 60 of the retainer 10 are engaged (contacted) with the extending

portions

24A and 24B of the flange portion 24 of the grommet 12, so that the retainer 10 and the bumper 14 are in the vehicle width direction. It is possible to prevent movement in the outer direction (the direction of arrow D in FIG. 5). For this reason, the influence on an external appearance can be eliminated. Furthermore, in order to prevent the appearance defect of the bumper 14 caused by the movement of the retainer 10 at the time of fastening, there is no need for the operator to hold the bumper 14 and the assembling workability is improved.

In the present embodiment, the locking claw 60 as the rotation preventing portion is formed on the retainer 10 side, and the locking claw 60 is engaged with the flange portion 24 of the grommet 12. Therefore, the grommet 12 can be applied to other vehicles, and the grommet 12 can be shared.

Further, in the present embodiment, when the retainer 10 is moved in the mounting direction (the direction of arrow C in FIG. 5) with respect to the side member 16, the inclined surface 60 B of the locking claw 60 slides on the side member 16 and the grommet 12. At the same time, the extending portion 62 is elastically deformed to the vehicle lower side. For this reason, the engaging surface 60A of the locking claw 60 can be easily engaged with the extending

portions

24A and 24B of the flange portion 24 of the grommet 12. For this reason, assembly workability improves.

(Second Embodiment)
Next, a second embodiment of the mounting structure using the retainer and the grommet according to the present invention will be described with reference to FIGS.
In addition, about the same member as 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

As shown in FIGS. 7 and 8, in this embodiment, projecting portions 80 (as plate-shaped anti-rotation members extending toward the vehicle width inner side downwards on the extending portions 24 A and 24 B of the flange portion 24 of the grommet 12, respectively. An anti-rotation member) is formed. Further, these protrusions 80 can be elastically deformed in the vehicle vertical direction. On the other hand, the locking claw 60 is formed on the upper wall portion 10A of the retainer 10 and is a rigid body.

Therefore, when the retainer 10 is moved in the mounting direction (the direction of arrow C in FIG. 8), the inclined surface 60B of the locking claw 60 slides with the protruding portion 80 of the flange portion 24 of the grommet 12, thereby causing the protruding portion. 80 is elastically deformed upward in the vehicle. For this reason, the engaging surface 60A of the locking claw 60 can be easily engaged with the protruding portions 80 of the extending

portions

24A and 24B of the flange portion 24 of the grommet 12. As a result, also in the present embodiment, as in the first embodiment, the co-rotation of the retainer 10 and the movement of the retainer 10 to the outside in the vehicle width direction can be prevented at the time of fastening, and the influence on the appearance can be eliminated.

(Third embodiment)
Next, a third embodiment of the mounting structure using the retainer and the grommet according to the present invention will be described with reference to FIGS.
In addition, about the same member as 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

As shown in FIGS. 9 and 10, in the present embodiment, only one extending portion 24A is formed on the flange portion 24 of the grommet 12 toward the front of the vehicle, and downward from the extending portion 24A. A convex portion 90 (rotation preventing member) as a rotation preventing member is formed. On the other hand, a seat portion 94 is formed at a portion of the retainer 10 that faces the convex portion 90. The seat portion 94 includes an outer wall portion 94A in the vehicle width direction, an inner wall portion 94B in the vehicle width direction, and an upper wall portion 94C that connects the upper end of the outer wall portion 94A in the vehicle width direction and the upper end of the inner wall portion 94B in the vehicle width direction. And. The upper wall portion 94C of the seat portion 94 is formed with an engagement hole 92 (rotation prevention member) as a rotation prevention member with which the convex portion 90 engages, and the engagement hole 92 extends along the vehicle front-rear direction. It is a long hole. Moreover, the lower end of the vehicle width direction outer side wall portion 94 A of the seat portion 94 is connected to the upper wall portion 10 A of the retainer 10. On the other hand, the vehicle width direction inner end portion 94B of the seat portion 94 is inclined from the vehicle width direction inner lower portion toward the vehicle width direction outer upper portion, and the lower end of the vehicle width direction inner wall portion 94B is the upper wall portion 10A of the retainer 10. Not connected to

Therefore, when the retainer 10 is moved in the mounting direction (the direction of arrow C in FIG. 10), the vehicle width direction inner side wall portion 94B of the seat portion 94 slides with the convex portion 90 of the grommet 12, thereby causing the seat portion 94 to move. The upper wall portion 94C is elastically deformed to the vehicle lower side. For this reason, the convex part 90 of the grommet 12 can be easily engaged with the engagement hole 92 of the retainer 10. As a result, also in the present embodiment, as in the first embodiment, the co-rotation of the retainer 10 and the movement of the retainer 10 to the outside in the vehicle width direction can be prevented at the time of fastening, and the influence on the appearance can be eliminated.

(Other embodiments)
In the above, the present invention has been described in detail for specific embodiments. However, the present invention is not limited to the above-described embodiments, and various other embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art. For example, in each of the above embodiments, only the

extended portions

24A, 24B or the extended portion 24A are formed in the flange portion 24 of the grommet 12, but the flange in the vicinity of the shaft portion 22 in the grommet 12 without forming the extended portion. The engaging claw 60 of the retainer 10 may be engaged with the portion 24 to prevent the retainer 10 from rotating.

Moreover, in the said 1st, 2nd embodiment, although the latching claw 60 as one rotation prevention member was each formed in the site | part used as the vehicle front-back direction both sides on both sides of the fastening part 34 in the retainer 10, it replaced with this. Two or more locking claws 60 as anti-rotation members may be formed at portions on both sides in the vehicle front-rear direction across the fastening portion 34 in the retainer 10.

In each of the above embodiments, the screw 50 is used as the fastening member. However, the fastening member is not limited to the screw 50, and may be another fastening member such as a bolt.

In each of the above embodiments, the mounting structure using the retainer and the grommet of the present invention is applied to the rear bumper 14 of the automobile. However, the mounting structure using the retainer and the grommet of the present invention can also be applied to the front bumper of the automobile. is there.

In each of the above embodiments, the mounting structure using the retainer and the grommet according to the present invention is used to mount the bumper 14 as the mounting member to the side member 16 of the automobile body as the mounted member. Other parts may be used without limitation, and the attached member is not limited to the side member of the automobile body, and may be another part.

Claims

A grommet that is attached to the mounted member by forming a flange portion at one end of the shaft portion and inserting the shaft portion into a mounting hole of the mounted member;
A retainer in which an attachment portion for attaching to the attached member, a through hole for attachment to the grommet, and an attachment portion for attaching the attachment member are formed;
Formed in at least one of the flange portion of the grommet and the vicinity of the through hole in the retainer, and the fastening member is fastened to the through hole and the grommet, whereby the mounting member is permanently fixed to the attached member. An anti-rotation member for preventing the retainer from rotating in the direction around the axis of the fastening member with respect to the grommet,
Mounting structure with retainer and grommets.
The mounting structure using the retainer and the grommet according to claim 1, wherein the rotation preventing portion is a locking claw that is formed on the retainer and engages with a flange portion of the grommet.
The attachment structure by the retainer and the grommet according to claim 2, wherein the locking claw is formed at a distal end of an elastically deformable extending portion extending from the retainer.
An inclined surface is formed on the back surface side of the engagement surface of the locking claw with the flange portion so that the thickness of the locking claw increases from the front end side to the rear end side in the assembly direction of the retainer. The attachment structure by the retainer and grommet of Claim 3.
The mounting structure using a retainer and a grommet according to any one of claims 1 to 4, wherein the rotation preventing member is formed on both sides of at least one of a shaft portion of the grommet and a through hole of the retainer.