JP2008247363A - Mounting structure of front bumper cover member for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide mounting structure of a front bumper cover member 1 for a vehicle not requiring labor for management of a bezel and not generating erroneous installation of the bezel. <P>SOLUTION: The bezel 2 for closing a gap between a peripheral edge of a first opening for a lamp of a front bumper 3 and a peripheral edge of the lamp is mounted to the front bumper 3 provided with a lamp mounting part, and a cover member 1 for closing a second opening for a lamp of the bezel 2 is retained to the front bumper 3 in the non-mounting specification of the lamp. An engagement part 10 provided on the cover member 1 is engaged with a part 20 to be engaged provided on the bezel 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a cover member mounting structure for a front bumper of a vehicle.

There are two types of vehicles, one with fog lamps attached to the front bumper mounting part (hereinafter “lamp mounting specifications”) and the other with no mounting specifications (hereinafter “lamp non-mounting specifications”). Is common. When a fog lamp is mounted on a lamp mounting portion of a front bumper in a vehicle with a lamp mounting specification, a bezel having a fog lamp opening is mounted on the front to close the space between the peripheral edge of the first lamp opening of the front bumper and the lamp. Installed on the bumper. This bezel is colored differently from the front bumper and becomes an important member constituting the exterior design of the vehicle. Therefore, a bezel is attached to the front bumper even in a vehicle with no lamp attached.
Conventionally, both a lamp-mounted bezel with a fog lamp opening and a non-lamp-mounted bezel without a fog lamp opening are manufactured, and the former bezel becomes a lamp-mounted front bumper and the latter bezel. Was mounted on a front bumper with no lamp.

However, the bezel is relatively large. If two types of such bezels were produced and used properly, it took time to manage the bezel. In addition, there was a risk of mistaking them together.
SUMMARY OF THE INVENTION An object of the present invention is to provide a cover member mounting structure for a front bumper of a vehicle that does not require troublesome management of the bezel and does not cause erroneous assembly of the bezel.

The feature of the present invention is that
A front bumper having a lamp mounting portion is attached with a bezel that blocks between the peripheral edge of the first bump opening and the peripheral edge of the lamp.
The front bumper holds a cover member that closes the lamp second opening of the bezel with the lamp non-mounting specification,
The engaging portion provided on the cover member is engaged with the engaged portion provided on the bezel.

  According to this configuration, the cover member that closes the lamp second opening of the bezel with the lamp non-mounting specification is held by the front bumper, and the engaging portion provided on the cover member is engaged with the engaged portion provided on the bezel. As a result, the bezel can be shared between the lamp-mounted vehicle and the non-lamp-mounted vehicle. Therefore, it is not necessary to manufacture both a bezel having a lamp mounting specification having the second opening for lamp and a bezel having a non-lamp mounting specification having no second opening for lamp. As a result, it is possible to reduce the time and effort required to manage the bezel, and to eliminate erroneous bezel assembly. The cover member is a small part compared to the bezel and can be easily manufactured, and the manufacturing cost can be reduced.

In the present invention,
The cover member includes a first front wall that closes the second lamp opening, and a first tubular portion that protrudes from the back side of the first front wall toward the vehicle rear side.
The bezel includes a second front wall provided with the second lamp opening, and a second tubular portion protruding from the back side of the second front wall around the second lamp opening toward the vehicle rear side.
The engaging portion is provided in the first cylindrical portion, and the engaged portion is provided in the second cylindrical portion,
When the first cylindrical portion is inserted into the second cylindrical portion, the following effects can be achieved.

  Since the engaging portion is provided on the first cylindrical portion of the cover member and the engaged portion is provided on the second cylindrical portion of the bezel, the engaging portion and the engaged portion are difficult to see from the front side of the vehicle. The appearance can be improved. Moreover, since the 1st cylindrical part is inserted in the 2nd cylindrical part, the mutual position of a cover member and a bezel can be decided easily, and an assembly property can be improved.

In the present invention,
The front bumper is provided with a third front wall provided with the first lamp opening, and a third cylindrical portion protruding from the back side of the third front wall around the lamp first opening to the vehicle rear side. ,
A holding portion for the cover member is provided at a rear end portion on the vehicle rear side of the third cylindrical portion, and a held portion is provided at a rear end portion on the vehicle rear side of the first cylindrical portion,
When the second cylindrical portion is inserted into the third cylindrical portion, the following effects can be achieved.

  Since the holding portion for the cover member is provided at the rear end portion on the vehicle rear side of the third cylindrical portion and the held portion is provided at the rear end portion on the vehicle rear side of the first cylindrical portion, the holding portion and the held portion are provided. The part can be made difficult to see from the front side of the vehicle, and the appearance can be improved. Further, since the third cylindrical portion is inserted into the second cylindrical portion, the positions of the bezel and the front bumper can be easily determined accurately, and the assembling property can be improved.

In the present invention,
A plurality of projecting portions projecting radially outward from the rear end portion of the first tubular portion are arranged in a distributed manner in the circumferential direction of the first tubular portion to constitute the held portion;
A plurality of pairs of front and rear holding walls projecting radially inward from the rear end portion of the third tubular portion and sandwiching the projecting portion in the longitudinal direction of the vehicle are distributed in a plurality of sets in the circumferential direction of the third tubular portion. And constituting the holding part,
The first cylindrical portion is inserted into the second cylindrical portion inserted into the third cylindrical portion from the vehicle rear side, the first cylindrical portion is rotated around its axis, and each overhang portion is If it is inserted between the pair of front and rear holding walls of each set, the following action can be achieved.

  A pair of front and rear holding walls provided on the third cylindrical portion of the front bumper sandwich the overhanging portion provided on the first cylindrical portion of the cover member in the vehicle front-rear direction. Can be positioned. The cover member can be positioned in the vehicle front-rear direction without going through the bezel, and the position of the cover member with respect to the front bumper can be determined more accurately. In addition, the first cylindrical portion is inserted into the second cylindrical portion inserted into the third cylindrical portion from the vehicle rear side, and the first cylindrical portion is rotated around its axis, so that each overhang portion is set in each group. Between the pair of front and rear holding walls, so that the overhanging portion can be easily sandwiched between the pair of front and rear holding walls, and the first cylindrical portion is inserted into the second cylindrical portion. Therefore, it is not necessary to accurately determine the positions of the projecting portion and the pair of front and rear holding walls in the circumferential direction of the first cylindrical portion and the second cylindrical portion, and the assembling work can be simplified. Moreover, since the first cylindrical portion is inserted into the second cylindrical portion inserted into the third cylindrical portion from the vehicle rear side, it is difficult to remove the cover member from the vehicle front side, and the cover member is attached to the front bumper. Since it is hold | maintained, it becomes impossible to remove a cover member from the vehicle front side, and theft of a cover member can be prevented.

In the present invention,
The rear holding wall of the pair of front and rear holding walls protrudes radially inward from the protruding end portion of the protruding wall that protrudes toward the vehicle rear side provided at the rear end portion of the third cylindrical portion. And moving the front holding wall in the circumferential direction of the third cylindrical portion with respect to the rear holding wall to open the vehicle front side of the rear holding wall,
The front holding wall comes into contact with the overhang portion located on one side in the circumferential direction of the first tubular portion from the vehicle front side, and the rear holding wall is located behind the vehicle over the overhang portion located on the other side. When the pair of front and rear holding walls are in contact with each other and sandwich the protruding portion, the following action can be obtained.

  When the front bumper is molded with a mold, the front bumper is cut in the longitudinal direction of the vehicle, that is, in the axial direction of the third cylindrical portion provided in the front bumper. In the configuration of the present invention, the pair of front and rear holding walls provided on the third cylindrical portion protrudes radially inward from the third cylindrical portion. In this structure, for example, both holding walls are in the axial direction. If they overlap, it will not be possible to remove the mold without using a means such as using a slide mold in the front bumper molding process, which complicates the structure of the mold and increases the molding cost. On the other hand, according to the above configuration of the present invention, the front holding wall is displaced in the circumferential direction of the third cylindrical portion with respect to the rear holding wall, and the vehicle front side of the rear holding wall is moved. Since it is opened, it is possible to remove the mold without adopting the slide mold, the structure of the mold can be simplified, and the molding cost can be reduced. In addition, the front holding wall abuts on the overhanging portion located on one side in the circumferential direction of the first cylindrical portion from the vehicle front side, and the rear holding wall is on the vehicle rear side on the overhanging portion located on the other side. Since the pair of front and rear holding walls sandwich the overhanging portion, the pair of front and rear holding walls can stably sandwich the overhanging portion.

In the present invention,
The overhang portion includes an overhang wall positioned on the vehicle front side with respect to the rear end surface of the first cylindrical portion, and a rib portion rising from the overhang wall to the vehicle rear side.
The rib portion includes a first rib extending radially outward from an outer peripheral surface of the first tubular portion, and an arc shape extending from the extending end portion of the first rib in the circumferential direction of the first tubular portion. The second rib of
When the front holding wall is in contact with the front surface of the overhanging wall and the rear holding wall is in contact with the top surface of the second rib, the following effects can be obtained.

  Since the rear holding wall is in contact with the top surface of the second rib of the overhang portion, the contact surface can be reduced and the pinching pressure can be increased. Thereby, the overhang | projection part can be reliably hold | maintained with a pair of front-and-back holding wall. Further, since the second rib extends in the circumferential direction, the second rib is held on the rear side when the overhanging portion is inserted between the pair of front and rear holding walls by rotation around the axis of the first cylindrical portion. It is easy to slide and move smoothly with respect to the wall, and the overhanging portion can easily enter between the pair of front and rear holding walls. Since the front holding wall is in contact with the vehicle front side surface of the overhanging wall, for example, a pair of front and rear holding walls than the structure in which the rib-like portion is also brought into contact with the vehicle front side surface of the overhanging wall. It is possible to stabilize the sandwiched state of the overhanging portion due to. Furthermore, the first rib extends in the radial direction from the outer peripheral surface of the rear end portion of the first cylindrical portion, and the second rib extends in the circumferential direction of the first cylindrical portion from the extended end portion of the first rib. The rib portion composed of the first rib and the second rib can be formed into a strong structure.

In the present invention,
To raise at least the first ribs of the pair of projecting parts longer than the second ribs of the projecting parts to the vehicle rear side, and to rotate the first ribs around the first cylindrical part. If it is comprised in this knob, it can make it easy to rotate a cover member.

In the present invention,
One or more guide portions extending in the axial direction of the third cylindrical portion are formed on the inner peripheral surface of the third cylindrical portion, and the second cylindrical shape is formed on the outer peripheral surface of the second cylindrical portion. Forming one or more guided parts extending in the axial direction of the part,
As the second cylindrical part is inserted into the third cylindrical part, the guided part is guided into the third cylindrical part while sliding relative to the guide part. And the second cylindrical portion can be smoothly inserted into the third cylindrical portion.

In the present invention,
When one of the guided portion and the guide portion is formed as a guide groove and the other is formed as a protruding line, the second cylindrical portion provided with the guided portion and the third tube provided with the guide portion Relative rotation with the shaped part can be prevented.

In the present invention,
The engaged portion is configured by dispersing one or more projecting pieces projecting from the rear end portion of the second cylindrical portion toward the vehicle rear side in the circumferential direction of the second cylindrical portion. And
A pair of raised portions that protrude from the outer peripheral portion of the rear end portion of the first cylindrical portion and are spaced from each other in the circumferential direction of the first cylindrical portion are arranged in the circumferential direction of the first cylindrical portion. A set or two or more sets are distributed and formed to form the engaging portion
When the protruding pieces are inserted between the pair of raised portions of each set and engaged in the circumferential direction of the first cylindrical portion, the following effects can be obtained.

  Since each protruding piece is inserted between a pair of raised portions of each set and engaged in the circumferential direction of the first cylindrical portion, the first cylindrical portion of the cover member is set against the second cylindrical portion of the bezel. Positioning in the circumferential direction. Moreover, it can prevent that a 1st cylindrical part rotates in the circumferential direction of a 1st cylindrical part with respect to a 2nd cylindrical part. And since the said protrusion piece protrudes in the vehicle rear side from the rear-end part of the vehicle rear side of a 2nd cylindrical part, it is easy to elastically deform a protrusion piece and engages a protrusion piece between a pair of said protruding parts. It can be made easy.

In the present invention,
The outer peripheral surface of one of the raised portions is configured as an inclined surface located on the radially outer side of the first tubular portion as the side closer to the pair of raised portions,
As the first cylindrical part inserted into the second cylindrical part is rotated about its axis, the protruding piece is guided between the pair of raised parts over the inclined surface. Then, the protruding piece can be easily engaged between the pair of raised portions.

In the present invention,
When the gap between the pair of raised portions and the outer side of the one raised portion in the circumferential direction of the first tubular portion are cut away, the one raised portion can be easily elastically deformed in the radial direction. . As a result, as the first cylindrical portion is rotated around its axis, the protruding portion can be easily elastically deformed when the protruding piece gets over the inclined surface of the one protruding portion, and the protruding portion It is possible to make it easier for the piece to get over the inclined surface of the one raised portion.

  According to the present invention, it is possible to provide a cover member mounting structure for a front bumper of a vehicle that does not require time and effort to manage the bezel and does not cause erroneous assembly of the bezel.

  As shown in FIGS. 1 to 3, the front bumper 3 having the lamp mounting portion 4 is provided with a peripheral portion of the lamp first opening 41 of the front bumper 3 and a fog lamp (not shown; hereinafter referred to as “lamp”). A bezel 2 that closes the periphery is attached. Then, the cover member 1 that closes the lamp second opening 42 of the bezel 2 with the non-mounting specification of the lamp is held by the front bumper 3, and the engaging portion 10 (FIG. 11, FIG. 15A, 15 (b)) is engaged with an engaged portion 20 provided on the bezel 2 to constitute a cover member mounting structure for an automobile front bumper.

  The front bumper 3 is shared by the non-mounting specification and the mounting specification of the lamp. In the mounting specification, the lamp is mounted on the lamp mounting portion 4 instead of the cover member 1. The cover member 1, the bezel 2 and the front bumper 3 are molded from resin using a molding die.

[Structure of cover member 1]
As shown in FIGS. 2, 8 to 11, 13 (a), 13 (b), etc., the cover member 1 includes a first front wall 11 that closes the second lamp opening 42, and the first front wall. 11 and a first cylindrical portion 21 having a straight cylindrical shape with a circular cross section projecting from the rear side of the vehicle 11 to the vehicle rear side R. The front surface 11M of the first front wall 11 is a spherical design surface convex (partially concave) on the vehicle front side F.

  Then, a pair of raised portions 5 and 6 that protrude from the outer peripheral portion of the rear end portion 21B of the vehicle rear side R of the first cylindrical portion 21 and are spaced from each other in the circumferential direction of the first cylindrical portion 21. Two sets of the engaging portions 10 are formed in a distributed manner in the circumferential direction of the first cylindrical portion 21. One set of raised portions 5 and 6 and another set of raised portions 5 and 6 are positioned point-symmetrically with respect to the axis O <b> 1 of the first cylindrical portion 21. Further, the outer peripheral surface of one raised portion 5 is configured as an inclined surface 5M located closer to the outer side in the radial direction of the first tubular portion 21 toward the side between the pair of raised portions 5 and 6 in the circumferential direction, The gap between the pair of raised portions 5 and 6 and the outer side of one raised portion 5 in the circumferential direction of the first cylindrical portion 21 are cut out in a square shape, and a stepped portion 7 is formed on the inner side surface of the raised portion 5. Is formed.

  A held portion 40 that is held by a holding portion 30 (to be described later) of the front bumper 3 is provided at the rear end portion 21 </ b> B of the first tubular portion 21. Specifically, four overhanging portions 8 projecting radially outward from the rear end portion 21B of the first cylindrical portion 21 are arranged in an unevenly distributed manner in the circumferential direction of the first cylindrical portion 21. A held portion 40 is configured. Of the four overhanging portions 8, the pair of overhanging portions 8 are positioned point-symmetrically with respect to the axis O1 of the first cylindrical portion 21, and another pair of overhanging portions 8 are pointed with respect to the axis O1. Located symmetrically. And the space | interval of a pair of overhang | projection part 8 adjacent in the circumferential direction is set wide, the space | interval of another adjacent pair of overhang | projection part 8 is set narrowly, and a wide space | interval and a narrow space | interval are arrange | positioned alternately in the circumferential direction. . The engaging portion 10 is located at the center between a pair of adjacent projecting portions 8 with a wide interval in the circumferential direction.

  The overhanging portion 8 includes an overhanging wall 9 positioned on the vehicle front side F with respect to the rear end surface 21C (see FIG. 10) of the first cylindrical portion 21 and a rib portion 14 rising from the overhanging wall 9 to the vehicle rear side R. Become. The rib portion 14 includes a linear first rib 51 that extends radially outward from the outer peripheral surface of the first tubular portion 21, and a periphery of the first tubular portion 21 from the extending end portion of the first rib 51. It comprises an arcuate second rib 52 extending in the direction. The top of the extended end of the second rib 52 is chamfered.

  As shown in FIGS. 11 and 12, the first ribs 51 of the pair of overhanging portions 8 positioned symmetrically with respect to the axis O <b> 1 are arranged on the vehicle rear side R with respect to the second rib 52 of the overhanging portion 8. The first rib 51 is configured to be a plate-like knob 15 for operating the first tubular portion 21 around the axis O1 by standing up long (as will be described later, the first tubular portion 21). Is rotated during assembly). The first ribs 51 of another pair of overhang portions 8 may also be configured as the knob 15 similar to the above.

  A flange 16 connected to the overhanging wall 9 is formed between a pair of overhanging portions 8 adjacent to each other in the circumferential direction with a narrow space therebetween. The overhang length of the flange 16 is set to be shorter than the overhang length of the overhang wall 9. That is, the flange 16 is connected to the base of the overhanging wall 9. Further, a flange 16 having a shorter overhang length than the overhang length of the overhanging wall 9 is also formed between the other protruding portion 6 on the side where the inclined surface 5M is not formed and the overhanging wall 9 adjacent to the overhanging wall 9 in the circumferential direction. Is formed.

[Structure of bezel 2]
As shown in FIGS. 2, 4 to 6, the bezel 2 includes a second front wall 12 having a second lamp opening 42, and a rear side of the second front wall 12 around the second lamp opening 42. It consists of a second cylindrical part 22 protruding to the side R. The 2nd front wall 12 is formed in the gentle taper curved surface located in the vehicle rear side R toward the vehicle width direction outer side, and the front surface 12M serves as a design surface. The peripheral edge portion 17 of the second front wall 12 is bent to the vehicle rear side R. A plurality of engaging claws 18 projecting toward the vehicle rear side R are distributed on the peripheral edge portion 17. The engaging claw 18 includes a claw body portion 19 having a U-shaped cross section extending toward the vehicle rear side R, and a wedge-shaped claw portion 24 having a triangular cross section formed at the rear end portion of the claw body portion 19. The claw portion 24 is inserted into an engagement hole 25 described later of the front bumper 3 and elastically engages (see FIG. 7).

  The second tubular portion 22 includes a tapered front tubular portion 26 that extends to the vehicle front side F, and a rear tubular portion 27 that has a smaller diameter than the front tubular portion 26. Further, a pair of projecting pieces 28 projecting from the rear end portion of the rear cylinder portion 27 to the vehicle rear side R are dispersedly arranged in the circumferential direction of the second cylindrical portion 22 so as to engage the engaged portion 20. Is configured. The pair of protruding pieces 28 are positioned point-symmetrically with respect to the axis O2 of the second cylindrical portion 22. A structure in which one or three or more protruding pieces 28 are dispersed in the circumferential direction may be employed.

  A pair of guided portions 29 extending in the axial direction is formed on the outer peripheral surface of the second cylindrical portion 22. The end portion of the guided portion 29 on the vehicle rear side R is formed on the back surface portion of the protruding piece 28. The guided portion 29 extends from the back surface side to the vehicle front side F and reaches the rear end portion of the front cylinder portion 26. The guided portion 29 is formed of a rectangular guide groove, but may be formed of a protruding line.

[Structure of front bumper 3]
As shown in FIGS. 1, 2, and 8 to 11, the front bumper 3 includes a third front wall 13 having a first lamp opening 41 and a third front wall 13 around the first lamp opening 41. A third cylindrical portion 23 that protrudes from the rear side to the vehicle rear side R is provided, and a holding portion 30 for the cover member 1 is provided at the rear end portion of the third cylindrical portion 23 on the vehicle rear side R. That is, the pair of front and rear holding walls 35F and 35R that project radially inward from the rear end portion of the third tubular portion 23 and sandwich the projecting portion 8 in the vehicle front-rear direction are arranged in the circumferential direction of the third tubular portion 23. The holding portion 30 is configured by being distributed in four groups in an unequally distributed manner. The rear holding wall 35R of the pair of front and rear holding walls 35F, 35R is radially inward from the protruding end portion of the protruding wall 37 protruding to the vehicle rear side R provided at the rear end portion of the third cylindrical portion 23. Projects to the side. A side wall 36 extends radially inward from one end of the circumferential projecting wall 37 of the third cylindrical portion 23, and the rear end of the side wall 36 continues to the front surface of the rear holding wall 35R. Yes.

  Of the four rear holding walls 35R, the pair of rear holding walls 35R is positioned point-symmetrically with respect to the axis O3 of the third cylindrical portion 23, and another pair of rear holding walls. 35R is located point-symmetrically with respect to the axis O3. And the space | interval of a pair of back side holding wall 35R which adjoins in the circumferential direction is set wide, and the space | interval of another pair of back side holding wall 35R is set narrowly, and a wide space | interval and a narrow space | interval are alternated in the circumferential direction. It is arranged.

  Further, the front holding wall 35F is displaced in the circumferential direction of the third cylindrical portion 23 with respect to the rear holding wall 35R, and the vehicle front side F of the rear holding wall 35R is opened. Reference numeral 38 (see FIG. 12) is an open space. When die cutting is performed in the molding process of the front bumper 3, the molding die is die-cut in the axial direction (vehicle longitudinal direction) of the third cylindrical portion 23. However, according to the structure of the present invention, as described above, Since the vehicle front side F of the holding wall 35R on the side is opened, the die can be removed without using a slide mold.

  In addition, a pair of guide portions 31 extending in the axial direction of the third cylindrical portion 23 is formed on the inner peripheral surface of the third cylindrical portion 23 (see FIGS. 8 and 13A). Although the guide part 31 consists of a protruding item | line, it may consist of a guide groove.

  An annular groove 34 into which the bent peripheral portion of the peripheral portion 17 of the second front wall 12 of the bezel 2 is inserted is formed in the peripheral portion of the third front wall 13 (see FIGS. 8 and 9). A plurality of engagement holes 25 into which the claw portions 24 of the engagement claw 18 are inserted are distributed. The bent peripheral portion is inserted into the annular groove 34 from the vehicle front side F. The lamp mounting portion 4 includes a plurality of screw holes formed in the front bumper 3.

[Procedure for mounting the bezel 2 and the cover member 1 to the front bumper 3 and its mounting structure]
(1) Insert the second cylindrical portion 22 of the bezel 2 into the third cylindrical portion 23 of the front bumper 3 from the vehicle front side F. With this insertion, the guided portion 29 is guided into the third cylindrical portion 23 while sliding with respect to the guide portion 31. The claw portion 24 of the engagement claw 18 is inserted into the engagement hole 25 and elastically engaged, and the second front wall 12 of the bezel 2 overlaps the third front wall 13 of the front bumper 3 from the vehicle front side F, and the bezel The bent peripheral portion of the peripheral portion 17 of the second front wall 12 is inserted into the annular groove 34 in the peripheral portion of the third front wall 13 from the vehicle front side F. The pair of projecting pieces 28 of the bezel 2 are in a state of projecting to the vehicle rear side R from the rear end portion of the third cylindrical portion 23 of the front bumper 3.

(2) As shown in FIGS. 13 (a) and 13 (b), between the pair of raised portions 5 and 6 (engaging portion 10) and the overhanging portion 8 (held portion 40) of the cover member 1. The first cylindrical portion 21 of the cover member 1 is inserted into the second cylindrical portion 22 of the bezel 2 from the vehicle rear side R with the alignment so that the protruding piece 28 (the engaged portion 20) of the bezel 2 is positioned. Then, the protruding wall 9 of the cover member 1 is brought into contact with the front holding wall 35F of the front bumper 3. During the insertion, the cover member 1 can be inserted while the side surface of the first rib 51 is brought into contact with one side of the protruding piece 28 and guided to the protruding piece 28. Thereby, insertion can be performed easily. 13A and 13B show a first state in which the first cylindrical portion 21 is inserted into the second cylindrical portion 22 of the bezel 2 from the vehicle rear side R. FIG.

(3) As shown in FIGS. 14 (a) and 14 (b), the first tubular portion 21 is rotated around the axis O1 (clockwise) so that each overhang portion 8 is a pair of front and rear pairs of each pair. It is made to enter between the holding walls 35F and 35R (FIGS. 15A and 15B). Since the guide portion 31 of the protrusion of the front bumper 3 is inserted and fitted into the guided portion 29 of the guide groove shape of the bezel 2, even if the first tubular portion 21 is rotated around the axis. The second cylindrical portion 21 of the bezel 2 does not rotate. 14 (a) and 14 (b) show a second state in which the first cylindrical portion 21 is rotated by 15 ° around the axis O1 (clockwise) from the first state, and FIG. 15 (a) and FIG. 15 (b) shows a third state in which the first cylindrical portion 21 is further rotated by 15 ° from the second state, and the rotation is completed (assembly completed). As the first tubular portion 21 inserted into the second tubular portion 22 is rotated around the axis O1, the protruding piece 28 gets over the inclined surface 5M of one raised portion 5 and a pair of raised portions 5, Guided between 6. Then, the protruding piece 28 enters between the pair of raised portions 5 and 6 and engages in the circumferential direction, and the stepped portion 7 on the inner surface of one raised portion 5 receives one side portion of the protruding piece 28. The 1st cylindrical part 21, the 2nd cylindrical part 22, and the 3rd cylindrical part 23 are located concentric.

  As shown in FIG. 12, the front holding wall 35F of the front bumper 3 abuts from the vehicle front side F to the overhanging portion 8A located on one side in the circumferential direction of the first cylindrical portion 21, and holds the rear side. The wall 35R is in contact with the overhang portion 8B located on the other side in the circumferential direction from the vehicle rear side R. Specifically, the front holding wall 35F of the front bumper 3 contacts the surface 9A on the vehicle front side F of the overhang wall 9, and the rear holding wall 35R of the front bumper 3 contacts the top surface 52T of the second rib 52. ing. Accordingly, the pair of front and rear holding walls 35F and 35R sandwich the overhanging portion 8 in the vehicle front-rear direction.

[Another embodiment]
(1) The numerical values given in the above embodiment are merely examples, and may be different numerical values.
(2) In the above embodiment, the structure around the left lamp of the front bumper 3 has been described. However, the structure around the right lamp is the same as the structure around the left lamp mounting portion, and the present invention is arranged around the right lamp. It can be applied to the structure of.

Front bumper front view Exploded perspective view of the left part of the front bumper Perspective view of the lower left side of the front bumper Rear view of bezel Side view of bezel Top view of bezel EE sectional drawing of Fig.15 (a) DD sectional view of FIG. KK sectional view of FIG. GG sectional view of FIG. The perspective view which showed the assembly state which inserted the 1st cylindrical part of the cover member in the 2nd cylindrical part of the bezel, and saw the assembly state before rotating the 1st cylindrical part from diagonally back FF sectional drawing of Fig.15 (a) (A) is the rear view which shows the state in the middle of the assembly which inserted the 1st cylindrical part of the cover member in the 2nd cylindrical part of the bezel, and shows the state before rotating the 1st cylindrical part. b) is a sectional view of (a). (A) is the rear view which shows the state in the middle of the assembly which inserted the 1st cylindrical part of the cover member in the 2nd cylindrical part of the bezel, and shows the state which rotated the 1st cylindrical part by 15 degrees, (B) is a sectional view of (a) (A) is the rear view which shows the assembly completion state which inserted the 1st cylindrical part of the cover member in the 2nd cylindrical part of the bezel, and rotated the 1st cylindrical part by 30 degrees, (b) is ( a) Sectional view

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cover member 2 Bezel 3 Front bumper 4 Lamp attachment part 5 Raised part (one raised part)
5M Inclined surface 6 Raised part (the other raised part)
8 Overhang portion 8A Overhang portion portion located on one side in the circumferential direction of the first tubular portion 8B Overhang portion portion located on the other side in the circumferential direction of the first tubular portion 9 Overhang wall 9A On the vehicle front side of the overhang wall Surface 10 Engagement part 11 First front wall 12 Second front wall 13 Third front wall 14 Rib part 15 Knob 20 Engagement part 21 First cylindrical part 21B First cylindrical part rear end part 21C First cylinder Rear end surface 22 of second part 23 Second part 23 Third part 28 Projection piece 29 Guided part 30 Holding part 31 Guide part 35F Front holding wall 35R Rear side holding wall 37 Projecting wall 40 Part to be held 41 Lamp First opening 42 for lamp second opening 51 for lamp first rib 52 second rib 52T top surface F of second rib F vehicle front side R vehicle rear side O1 shaft core (shaft core of the first cylindrical portion)
O2 shaft core (axis of the second cylindrical part)
O3 shaft core (axis of the third cylindrical part)

Claims (12)

A front bumper having a lamp mounting portion is attached with a bezel that blocks between the peripheral edge of the first bump opening and the peripheral edge of the lamp.
The front bumper holds a cover member that closes the lamp second opening of the bezel with the lamp non-mounting specification,
A cover member mounting structure for a vehicle front bumper in which an engaging portion provided on the cover member is engaged with an engaged portion provided on the bezel. The cover member includes a first front wall that closes the second lamp opening, and a first tubular portion that protrudes from the back side of the first front wall toward the vehicle rear side.
The bezel includes a second front wall provided with the second lamp opening, and a second tubular portion protruding from the back side of the second front wall around the second lamp opening toward the vehicle rear side.
The engaging portion is provided in the first cylindrical portion, and the engaged portion is provided in the second cylindrical portion,
The cover member mounting structure for a vehicle front bumper according to claim 1, wherein the first tubular portion is inserted into the second tubular portion. The front bumper is provided with a third front wall provided with the first lamp opening, and a third cylindrical portion protruding from the back side of the third front wall around the lamp first opening to the vehicle rear side. ,
A holding portion for the cover member is provided at a rear end portion on the vehicle rear side of the third cylindrical portion, and a held portion is provided at a rear end portion on the vehicle rear side of the first cylindrical portion,
The cover member mounting structure for a vehicle front bumper according to claim 2, wherein the second cylindrical portion is inserted into the third cylindrical portion. A plurality of projecting portions projecting radially outward from the rear end portion of the first tubular portion are arranged in a distributed manner in the circumferential direction of the first tubular portion to constitute the held portion;
A plurality of pairs of front and rear holding walls projecting radially inward from the rear end portion of the third tubular portion and sandwiching the projecting portion in the longitudinal direction of the vehicle are distributed in a plurality of sets in the circumferential direction of the third tubular portion. And constituting the holding part,
The first cylindrical portion is inserted into the second cylindrical portion inserted into the third cylindrical portion from the vehicle rear side, the first cylindrical portion is rotated around its axis, and each overhang portion is 4. The cover member mounting structure for a vehicle front bumper according to claim 3, wherein the cover member is inserted between a pair of front and rear holding walls of each set. The rear holding wall of the pair of front and rear holding walls protrudes radially inward from the protruding end portion of the protruding wall that protrudes toward the vehicle rear side provided at the rear end portion of the third cylindrical portion. And moving the front holding wall in the circumferential direction of the third cylindrical portion with respect to the rear holding wall to open the vehicle front side of the rear holding wall,
The front holding wall comes into contact with the overhang portion located on one side in the circumferential direction of the first tubular portion from the vehicle front side, and the rear holding wall is located behind the vehicle over the overhang portion located on the other side. The cover member mounting structure for a vehicle front bumper according to claim 4, wherein the pair of front and rear holding walls are in contact with each other and sandwich the protruding portion. The overhang portion includes an overhang wall positioned on the vehicle front side with respect to the rear end surface of the first cylindrical portion, and a rib portion rising from the overhang wall to the vehicle rear side.
The rib portion includes a first rib extending radially outward from an outer peripheral surface of the first tubular portion, and an arc shape extending from the extending end portion of the first rib in the circumferential direction of the first tubular portion. The second rib of
6. The cover member for a vehicle front bumper according to claim 5, wherein the front holding wall is in contact with the front surface of the overhanging wall, and the rear holding wall is in contact with the top surface of the second rib. Mounting structure.   To raise at least the first ribs of the pair of projecting parts longer than the second ribs of the projecting parts to the vehicle rear side, and to rotate the first ribs around the first cylindrical part. The cover member mounting structure for a vehicle front bumper according to claim 6, wherein the cover member is structured as a knob. One or more guide portions extending in the axial direction of the third cylindrical portion are formed on the inner peripheral surface of the third cylindrical portion, and the second cylindrical shape is formed on the outer peripheral surface of the second cylindrical portion. Forming one or more guided parts extending in the axial direction of the part,
As the second cylindrical part is inserted into the third cylindrical part, the guided part is guided into the third cylindrical part while sliding relative to the guide part. The cover member mounting structure for a vehicle front bumper according to any one of claims 3 to 7.   9. The cover member mounting structure for a vehicle front bumper according to claim 8, wherein one of the guided portion and the guide portion is formed as a guide groove, and the other is formed as a protrusion. The engaged portion is configured by dispersing one or more projecting pieces projecting from the rear end portion of the second cylindrical portion toward the vehicle rear side in the circumferential direction of the second cylindrical portion. And
A pair of raised portions that protrude from the outer peripheral portion of the rear end portion of the first cylindrical portion and are spaced from each other in the circumferential direction of the first cylindrical portion are arranged in the circumferential direction of the first cylindrical portion. A set or two or more sets are distributed and formed to form the engaging portion
The front bumper cover for a vehicle according to any one of claims 2 to 9, wherein each protruding piece is inserted between a pair of raised portions of each set and engaged in a circumferential direction of the first cylindrical portion. Member mounting structure. The outer peripheral surface of one of the raised portions is configured as an inclined surface located on the radially outer side of the first tubular portion as the side closer to the pair of raised portions,
As the first cylindrical part inserted into the second cylindrical part is rotated about its axis, the protruding piece is guided between the pair of raised parts over the inclined surface. The cover member mounting structure for a vehicle front bumper according to claim 10.   12. The cover member mounting structure for a vehicle front bumper according to claim 10 or 11, wherein notches are formed between the pair of raised portions and an outer side of the one raised portion in the circumferential direction of the first tubular portion.

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