JP5961502B2 - Bumper mounting retainer - Google Patents

Description

  The present invention relates to a bumper mounting retainer for mounting a bumper to a vehicle body of an automobile.

  Conventionally, as a structure for fixing a bumper mounting retainer to a body of an automobile and attaching a bumper cover to the bumper mounting retainer, for example, a structure shown in Patent Document 1 is known. In this technique, an elastic part is provided between two board parts provided with an attaching part, and the elastic part is elastically deformed to provide an interval between attached parts provided on the vehicle body and two board parts. A dimensional error with respect to the interval between the mounting portions can be absorbed.

Japanese Patent No. 4435649

  However, in Patent Document 1, it is not possible to cope with a case where the body part to which the bumper mounting retainer is attached is curved inward in the vehicle width direction from the side of the vehicle body toward the front of the vehicle body or toward the rear of the vehicle body. For this reason, the retainer for mounting the bumper is divided into a member for attaching to the vehicle body side and a member for attaching to the vehicle body front portion or the vehicle body rear portion, and the member attached to the vehicle body side portion is fixed from the vehicle width direction. Although it is possible to fix the member attached to a rear part from the vehicle body front-back direction, in this case, the number of parts increases and the assembly work man-hour increases.

  In view of the above fact, an object of the present invention is to obtain a bumper mounting retainer that can be mounted on a curved portion of a vehicle body without being divided.

A retainer for mounting a bumper according to a first aspect of the present invention has a longitudinal direction in a direction along a curved portion that curves inward in the vehicle width direction from one side of the vehicle body in the longitudinal direction of the vehicle body to the other side. A retainer body that can be attached to the retainer body, a plurality of attachment parts that are formed in the retainer body at intervals in the longitudinal direction and are fixed to the curved part of the vehicle body, and between the adjacent attachment parts in the retainer body The retainer body is deformed in the longitudinal direction and the vehicle width direction as viewed from above and below the vehicle body, and one side of the retainer body in the longitudinal direction with respect to the other. It possesses a deformed portion to the mounting position is deformed towards the vehicle width direction inner side from a position spaced apart, from, the retainer body is spaced in the longitudinal direction with respect to the deformable portion Flexures are formed, the flexible portion allows the vehicle vertical direction and the longitudinal direction of the vehicle relative displacement of portions of the longitudinal both sides of the flexible portion of the retainer body.

In the bumper mounting retainer according to the first aspect of the present invention, the mounting portion formed on the other side of the longitudinal direction of the retainer main body with the direction along the curved portion of the vehicle body as the longitudinal direction is fixed to the curved portion of the vehicle body. Then, the deformed portion, the one longitudinal retainer body from a position separated from the vehicle body with respect to the other and the mounting position is deformed toward the vehicle width direction inner side. Next, an attachment portion formed on one side of the retainer body in the longitudinal direction is fixed to the curved portion of the vehicle body. For this reason, it can attach to the curved part of a vehicle body, without dividing | segmenting a retainer main body. As a result, the number of parts is small, and it is possible to deal with the curved portion on the vehicle body side.
Further, in the above bumper mounting retainer, the deformed portion is also deformed in the longitudinal direction of the retainer main body, so that the dimension between the mounting portions located on both sides of the deformable portion along the longitudinal direction of the retainer main body and the covering on the vehicle body side. Even when there is an error in the dimension between the mounting portions, the mounting portions located on both sides of the deformable portion along the longitudinal direction of the retainer main body can be fixed to each mounted portion on the vehicle body side.

The invention described in claim 2 in the bumper mounting retainer according to claim 1, wherein the plurality of mounting portions are legs formed projecting toward the same direction from the retainer body.

In the bumper mounting retainer according to the second aspect of the present invention, the plurality of mounting portions are leg portions that protrude from the retainer body in the same direction. For this reason, when the retainer body is formed, the plurality of leg portions can be integrally formed with the retainer body. As a result, it is easy to form a plurality of attachment portions.

A bumper mounting structure according to a third aspect of the present invention is the bumper mounting retainer according to the first or second aspect , wherein the retainer main body is provided at one end in the longitudinal direction of the retainer main body. And an engaging portion for engaging with.

In the bumper mounting structure according to the third aspect of the present invention, the retainer body can be engaged with the vehicle body by the engaging portion provided at one end portion in the longitudinal direction of the retainer body.

According to a fourth aspect of the present invention, in the bumper mounting retainer according to any one of the first to third aspects, at least one of the retainer main body and the other is curved along the vehicle body.

In the bumper mounting retainer of the fourth aspect , at least one of the retainer body and at least one of the other is curved along the vehicle body. For this reason, since it is not necessary to bend at least one of the retainer main body and the other along the vehicle body at the time of assembling, the assembling workability is improved.

Since the bumper mounting retainer according to the first aspect of the present invention has the above-described configuration, the number of parts is small, and it can correspond to a curved portion on the vehicle body side. In addition, the retainer body can be fixed to the vehicle body even when there is an error in the dimension between the mounting portions of the retainer body and the dimension between the mounted portions on the vehicle body side.

The retainer for mounting a bumper according to the second aspect of the present invention has the above-described configuration, so that a plurality of mounting portions can be easily formed.

Since the retainer for mounting a bumper according to the third aspect of the present invention has the above-described configuration, the assembling workability can be improved.

The retainer for mounting a bumper according to the fourth aspect of the present invention has the above-described configuration, so that the assembly workability can be improved.

It is the disassembled perspective view seen from the vehicle body slanting back outer side which shows the right side rear part of the vehicle body which has the bumper attachment retainer which concerns on one Embodiment of this invention. It is the perspective view seen from the vehicle body slanting back outer side which shows the right rear part of the vehicle body which has the bumper attachment retainer which concerns on one Embodiment of this invention. It is a top view which shows the retainer for bumper attachment which concerns on one Embodiment of this invention. It is a side view which shows the retainer for bumper attachment which concerns on one Embodiment of this invention. It is the perspective view seen from the vehicle body slant front inner side which shows the retainer for bumper attachment which concerns on one Embodiment of this invention. It is the perspective view seen from the vehicle body slanting back outer side which shows the attachment state of the retainer for bumper attachment which concerns on one Embodiment of this invention. It is an expanded sectional view corresponding to the position along the 7-7 sectional line of Drawing 6 showing a part of retainer for bumper attachment concerning one embodiment of the present invention.

  A bumper mounting retainer according to an embodiment of the present invention will be described with reference to FIGS. In these drawings, an arrow UP appropriately shown indicates a vehicle body upward direction, an arrow FR indicates a vehicle body front direction, and an arrow IN indicates a vehicle width inside direction.

  As shown in FIG. 2, in this embodiment, a bumper cover 16 is attached to a side member 12 as a vehicle body of an automobile via a bumper attachment retainer 10.

  As shown in FIG. 1, a curved portion 20 that is curved inward in the vehicle width direction from the front side of the vehicle body toward the rear side of the vehicle body is formed at the rear portion of the side member 12 that constitutes the side surface of the vehicle body. Further, the retainer main body 18 of the bumper mounting retainer 10 has a long shape whose longitudinal direction is the longitudinal direction of the vehicle body along the curved portion 20 of the side member 12.

  As shown in FIG. 4, the retainer body 18 is made of, for example, a synthetic resin. The retainer body 18 is formed in a plate shape and is reinforced by a plurality of ribs 19 extending vertically and horizontally to increase rigidity. ing. Further, an engaging portion 22 is formed at the front end portion 18 </ b> A that is one end portion in the longitudinal direction of the retainer body 18.

  As shown in FIG. 3, the engaging portion 22 is formed in a hook shape on the inner surface of the retainer body 18 in the vehicle width direction so as to protrude. On the other hand, an engagement piece 28 as an engaged portion is formed on the arch portion 14A of the wheel house 14 so as to protrude toward the inside of the arch portion 14A, and the engagement piece 28 becomes a plate-like convex portion. Yes.

  As shown in FIG. 4, the front end portion 18 </ b> A of the retainer body 18 and the vicinity thereof are inclined toward the vehicle body obliquely forward and lower side with respect to the rear side portion of the retainer body 18 extending in the vehicle body front-rear direction. The engaging portion 22 is formed toward the upper front side of the vehicle body. For this reason, the engaging portion 22 engages with the engaging piece 28 of the wheel house 14 from the lower side of the vehicle body toward the upper side of the vehicle body. As shown in FIG. The engaging piece 28 is clamped from both sides in the vehicle width direction.

  As shown in FIG. 4, a flexible portion 60 is formed in the intermediate portion in the longitudinal direction of the retainer body 18. The flexible portion 60 is arranged in parallel in the vertical direction of the vehicle body when viewed from the side of the vehicle body. It is the structure which curved to the U-shape convexly.

  Therefore, the flexible portion 60 allows relative displacement in the longitudinal direction of the vehicle body and relative displacement in the vertical direction of the vehicle body at both sides in the longitudinal direction of the flexible portion 60 in the longitudinal direction of the retainer body 18.

  As shown in FIG. 1, the curved portion 20 of the side member 12 serves as a mounting surface for mounting the retainer main body 18, and insertion holes 62 as a plurality of mounted portions on the vehicle body side are predetermined in the vehicle longitudinal direction. Are formed at intervals.

  As shown in FIG. 5, on the inner side surface in the vehicle width direction of the retainer main body 18, leg portions 64 and 65 as a plurality of attachment portions to be inserted into the insertion holes 62 (see FIG. 1) of the side member 12, A dummy leg portion 69 as an attachment portion is formed to protrude in the same direction. Specifically, three leg portions 64, one leg portion 65, and two dummy leg portions 69 are formed so as to protrude inward in the vehicle width direction. Further, the leg portions 64 and the dummy leg portions 69 are alternately provided at a portion of the retainer body 18 on the vehicle body front side.

  Therefore, when the retainer main body 18 is formed of a resin material, the leg portions 64, 65, and 69 can be integrally formed with the retainer main body 18.

  As shown in FIG. 7, the leg portion 64 includes a plurality of claws 64 </ b> A, and each claw 64 </ b> A is configured to expand by inserting a grommet 68 between the claws 64 </ b> A. For this reason, the claw 64A of the leg portion 64 on the retainer body 18 side engages with the insertion hole 62 on the side member 12 side when the grommet 68 is inserted and expanded.

  Similarly, the leg portion 65 includes a plurality of claws 65A, and each claw 65A is configured to expand by inserting a grommet 68 between the claws 65A. For this reason, the claw 65A of the leg portion 65 on the retainer body 18 side engages with the insertion hole 62 on the side member 12 side when the grommet 68 is inserted and expanded.

  The dummy leg 69 shown in FIG. 5 is only inserted into the insertion hole 62 of the side member 12, and no grommet is used. In addition, the position of each leg part 64, 65, 69 is not limited to the position shown in figure.

  As shown in FIGS. 3 and 4, a deformed portion 70 is formed at a portion between the adjacent leg portion 64 and the leg portion 65 in the vehicle body rear side portion 18 </ b> B of the retainer body 18. That is, along the longitudinal direction of the retainer main body 18, the rear portion 18 </ b> D as one side that is the rear side of the deformable portion 70 and the front portion 18 </ b> C as the other side that is the front side of the deformable portion 70 are connected by the deformable portion 70. ing.

  As shown in FIG. 7, the deforming portion 70 of the retainer body 18 is a thin plate and has a wave shape when viewed from above and below, and the vehicle width direction (in the arrow A direction and the arrow A direction in FIG. 7). It can be deformed in the opposite direction). Accordingly, the rear portion 18D of the retainer main body 18 has a deformable portion 70 as a hinge, and the inner side of the vehicle body toward the side member 12 from the position separated from the side member 12 shown by a solid line in FIG. It is designed to deform in the direction along the rotation trajectory. That is, the rear portion 18D of the retainer body 18 is moved in the direction of arrow A in FIG. 7 approaching the side member 12 by the deforming portion 70, and is moved to the mounting position where it abuts on the side member 12 as shown by a two-dot chain line in FIG. It is movable.

  The deformable portion 70 can also be deformed in the longitudinal direction of the retainer body 18 which is the longitudinal direction of the retainer body 18. For this reason, when there is an error in the dimension between the leg part 64 and the leg part 65 located on both the front and rear sides of the deforming part 70 and the dimension between each insertion hole 62 corresponding to the leg part 64 and the leg part 65. In addition, the deformable portion 70 can be expanded and contracted so that the deformed leg portion 64 and the leg portion 65 can be fixed to the respective insertion holes 62.

  As shown in FIG. 3, the front portion 18C of the retainer main body 18 is curved with respect to the vehicle width direction along the side member 12 (see FIG. 1). The rear portion 18D of the retainer main body 18 is also slightly curved with respect to the vehicle width direction along the side member 12 (see FIG. 1). Therefore, it is not necessary to curve the front portion 18C and the rear portion 18D of the retainer body 18 along the side member 12 in the vehicle width direction at the time of assembly, so that the assembly workability is improved.

  As shown in FIG. 1, a plurality of engaging portions 66 are provided at predetermined intervals in the longitudinal direction on the upper edge portion of the retainer body 18. On the other hand, a claw portion 67 is integrally formed on the back surface of the bumper cover 16 so as to protrude inward in the vehicle width direction at a position corresponding to the engaging portion 66 of the retainer body 18. Therefore, the bumper cover 16 is attached to the retainer body 18 by the claw portion 67 of the bumper cover 16 being locked to the engaging portion 66 of the retainer body 18.

(Function)
Next, the operation of this embodiment will be described.
In this embodiment, when the retainer body 18 is attached to the side member 12, first, the engaging portion 22 provided at the front end 18A of the retainer body 18 is moved from the vehicle body lower side toward the vehicle body upper side. It engages with an engagement piece 28 formed on the arch portion 24.

  Next, the front portion 18 </ b> C of the retainer body 18 that is curved along the side member 12 in the vehicle width direction is attached to the side member 12. At this time, by inserting the grommets 68 between the claws 64A of the leg portions 64, the claws 64A are expanded and engaged with the insertion holes 62 on the side member 12 side. Further, the dummy leg portion 69 is merely inserted into the insertion hole 62 of the side member 12 and engages with the insertion hole 62.

  Next, the rear portion 18D of the retainer main body 18 is moved away from the front member 18C by the deforming portion 70 of the retainer main body 18 from the side member 12 indicated by a solid line in FIG. A direction) and moved to the attachment position to the side member 12. Thereby, the rear portion 18 </ b> D of the retainer body 18 can be attached to the curved portion 20 of the side member 12. At this time, by inserting the grommets 68 between the claws 65A of the leg portions 65, the claws 65A are expanded and engaged with the insertion holes 62 on the side member 12 side.

  Thereafter, the bumper cover 16 can be attached to the retainer body 18 by engaging the claw portions 67 formed on the back surface of the bumper cover 16 with the respective engaging portions 66 of the retainer body 18.

  As described above, in the bumper mounting retainer 10 of the present embodiment, by providing the deformed portion 70 of the retainer main body 18, the curved portion of the side member 12 can be obtained without dividing the retainer main body 18 back and forth along the longitudinal direction. 20 can be attached. As a result, the number of parts is small, and the curved portion 20 of the side member 12 can be handled. Further, since the number of parts is small, the number of assembling steps is reduced, and the assembling workability can be improved.

  In the present embodiment, the deformable portion 70 can also be deformed in the longitudinal direction of the vehicle body, which is the longitudinal direction of the retainer body 18. For this reason, the dimension between the leg part 64 and the leg part 65 located in the longitudinal direction both sides of the deformation | transformation part 70 of the retainer main body 18, and between each insertion hole 62 of the side member 12 corresponding to the leg part 64 and the leg part 65 is provided. The leg 64 and the leg 65 can be fixed to the insertion holes 62 even when there is an error in the dimensions.

  Further, in the present embodiment, leg portions 64, 65, and 69 that are a plurality of attachment portions are formed to protrude in the same direction on the inner surface in the vehicle width direction of the retainer body 18. For this reason, when the retainer body 18 is molded, the leg portions 64, 65, and 69 can be integrally formed with the retainer body 18. As a result, the leg portions 64, 65, and 69 as a plurality of attachment portions can be easily formed.

  In the present embodiment, the front portion 18C and the rear portion 18D of the retainer body 18 are curved along the side member 12 with respect to the vehicle width direction. For this reason, it is not necessary to curve the front part 18C and the rear part 18D of the retainer main body 18 along the side member 12 during assembly. As a result, the assembly workability can be further improved.

(Other embodiments)
While the present invention has been described in detail with respect to specific embodiments, 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 the above-described embodiment, the deforming portion 70 of the retainer body 18 is a thin plate, and the shape viewed from the top and bottom is a wave shape. However, the deforming portion 70 of the retainer body 18 is not limited to the above-described embodiment. For example, the shape of the deformed portion 70 of the retainer body 18 viewed from the top and bottom may be another shape such as an arc shape. Moreover, it is good also as a structure deform | transformed only to a vehicle width direction by making the shape seen from the up-down direction of the deformation | transformation part 70 of the retainer main body 18 into a linear shape.

  In the above embodiment, the plurality of attachment portions of the retainer body 18 are the leg portions 64, 65, and 69 that are formed to protrude from the retainer body 18 in the same direction. The configuration is not limited to the above embodiment. For example, it is good also as a structure which forms the through-hole as a some attachment part in the retainer main body 18, and mounts the attachment member which is a separate member from the retainer main body 18 in these through-holes.

  Further, in the above embodiment, the hook-shaped engaging portion 22 provided at the front end portion 18A of the retainer main body 18 forms the engaging pieces 28 formed on the arch portion 24 of the wheel house 14 with the retainer main body 18 on both sides in the vehicle width direction. However, the engaging portion is not limited to the above embodiment. Moreover, it is good also as a structure which does not provide an engaging part in the retainer main body 18. FIG.

  Further, in the above embodiment, the front portion 18 </ b> C and the rear portion 18 </ b> D of the retainer body 18 are curved along the side member 12. Alternatively, depending on the shape of the side member 12, only one of the front portion 18 </ b> C and the rear portion 18 </ b> D of the retainer body 18 may be curved along the side member 12. Moreover, it is good also as a structure which curves the front part 18C and the rear part 18D of the retainer main body 18 along the side member 12 to a vehicle width direction at the time of an assembly | attachment.

  Moreover, in the said embodiment, although the rear part 18D of the retainer main body 18 was deform | transformed toward the side member 12 side from the position spaced apart from the side member 12 with respect to the front part 18C by the deformation | transformation part 70 of the retainer main body 18. Instead of this, the front portion 18C of the retainer body 18 may be deformed toward the side member 12 from a position away from the side member 12 with respect to the rear portion 18D.

  Moreover, in the said embodiment, although the grommet 68 was used for attaching the retainer main body 18 to a vehicle body, it replaces with a grommet and may use other attachment means, such as a screw.

  In the above embodiment, the bumper mounting retainer of the present invention is applied to the rear bumper of the automobile body. However, the bumper mounting retainer of the present invention is also applicable to a front bumper.

10 Bumper mounting retainer 12 Side member (vehicle body)
14 Wheelhouse
16 Bumper cover 18 Retainer main body 20 Curved part of side member 22 Engagement part of retainer main body 62 Insertion hole (attached part)
64 Retainer body leg (mounting part)
65 Retainer body legs (mounting parts)
69 Retainer body leg (mounting part)
68 Grommet 70 Deformed part of retainer body

Claims (4)

A retainer body to which a direction along a curved portion that curves inward in the vehicle width direction from one side in the vehicle longitudinal direction of the vehicle body to the other side is a longitudinal direction, and a bumper cover can be attached;
A plurality of attachment portions formed on the retainer body at intervals in the longitudinal direction and fixed to the curved portion of the vehicle body;
The retainer body is formed at a portion between the adjacent mounting portions, has a corrugated plate shape when viewed from above and below the vehicle body, and can be deformed in the longitudinal direction and the vehicle width direction of the retainer body. A deforming part that deforms one of the longitudinal directions of the other side from the position away from the vehicle body toward the inside in the vehicle width direction to the mounting position,
I have a,
The retainer body is formed with a flexible portion with a space in the longitudinal direction with respect to the deforming portion,
The flexible part is a bumper mounting retainer that allows relative displacement in a vehicle body vertical direction and a vehicle body longitudinal direction at portions on both sides in the longitudinal direction across the flexible part of the retainer body . 2. The bumper mounting retainer according to claim 1, wherein the plurality of mounting portions are leg portions protruding from the retainer main body in the same direction. The bumper mounting retainer according to claim 1 or 2, further comprising an engaging portion that is provided at one end of the retainer main body in the longitudinal direction and engages the retainer main body with the vehicle body. The bumper mounting retainer according to any one of claims 1 to 3 , wherein at least one of the retainer main body and at least one of the other is curved along the vehicle body.