JP2012255525A - Structure for mounting vehicular part - Google Patents

Abstract

To provide an automobile part mounting structure capable of attaching an automobile part to any vehicle type with a simple configuration.
A plurality of protruding pieces (26) of an outer member (20) are inserted into an attachment hole (16), and an annular plate portion (24) is brought into contact with a portion of a rear bumper cover (10) around the attachment hole (16). Next, the cylindrical portion 38 of the inner member 22 is inserted from the insertion hole 2402 of the ring plate portion 24, the cylindrical portion 38 is rotated, and the protruding piece 26 is moved in the radial direction by screwing the male screw portion 42 and the female screw portion 32. It is elastically deformed outward. When fitted to a predetermined position, the rotation preventing projection 44 and the rotation preventing groove 34 are engaged, and the outer member 20 and the inner member 22 cannot be separated. In this state, the location of the rear bumper cover 10 around the mounting hole 16 is clamped by the clamping projection 28 and the ring plate portion 24 of the outer member 20, and the bezel 14 is attached to the rear bumper cover 10.
[Selection] Figure 1

Description

  The present invention relates to a structure for attaching an automobile part to a panel portion constituting the appearance of a vehicle body.

Automotive parts such as reflectors, fog lamps, sensors, cameras, and the like are attached to panel parts constituting the exterior of the vehicle body such as bumper covers and outer panels constituting the parts.
For example, Patent Document 1 proposes a structure in which a lamp that is an automobile part is attached to a front bumper cover that forms a panel portion. However, in the prior art, it is necessary to provide a recess for storing the lamp in the front bumper cover, or a frame for supporting the lamp on the back surface of the front bumper cover.

JP 2004-331066 A

Therefore, in the prior art, even when the same lamp is used, it is necessary to provide a recess for storing the lamp in the mold for forming the front bumper cover every time the vehicle type is different. Alternatively, it is necessary to arrange a frame for supporting the lamp on the back surface of the front cover each time the vehicle type is different.
Therefore, the structure for mounting the lamp is expensive, and some improvement has been desired.
The present invention has been devised in view of the above circumstances, and an object of the present invention is to provide an automobile part mounting structure that can attach an automobile part to any vehicle type with a simple configuration.

  In order to achieve the above-mentioned object, the present invention is a structure for attaching an automobile part to a panel part constituting the appearance of a vehicle body, and includes a bezel for attaching an automobile part attached to an attachment hole formed in the panel part. The bezel includes an outer member engaged with the mounting hole of the panel portion, and an inner member to which the automobile part is attached and fitted to the outer member. An annular plate portion in which the back surface is capable of contacting a portion around the mounting hole of the panel portion and an insertion hole into which the inner member is inserted is formed, and an inner peripheral portion of the annular plate portion. A plurality of projecting pieces projecting on the rear surface side of the ring plate portion, insertable into the mounting hole and elastically deformable in the radial direction of the ring plate portion, and provided on the outer surface of the projecting pieces; The panel part is sandwiched between And a plurality of projecting pieces of the outer member. The inner member includes a component mounting portion to which the automobile part is attached, and the plurality of projecting pieces of the outer member. Inserted into the insertion hole and fitted inside the plurality of projecting pieces in a state in which the annular plate portion is inserted into the mounting hole and is in contact with the position of the panel portion around the mounting hole. A cylindrical tubular portion; and a male screw portion that is provided on an outer peripheral surface of the tubular portion and can be screwed into a female screw portion of the outer member. The inner member and the outer member include the cylindrical portion. The male threaded portion of the inner member and the female threaded portion of each of the protruding pieces are fitted to each other, and in the fitted state, the tubular portion of the inner member prevents elastic deformation of the protruding piece of the outer member and Engage the member to the panel Characterized in that it is configured to hold the state.

According to the first aspect of the present invention, it is possible to reliably attach the automobile part to the panel part via the bezel by simply forming the attachment hole in the panel part. Therefore, when attaching auto parts of the same shape to different types of panel parts, it is sufficient to prepare a bezel and to form mounting holes in the panel part, so it is necessary to change expensive molds as in the past. Further, the frame for supporting the automobile parts is not necessary, and the cost for attaching the automobile parts can be greatly reduced.
According to invention of Claim 2, it becomes possible to attach a bezel to a panel part more reliably with a simple structure, and positioning of a motor vehicle part can also be performed easily.
According to the invention of claim 3, the outer member can be easily inserted into the mounting hole, and the inner member can be easily inserted inside the plurality of protruding pieces of the insertion hole and the outer member. This is advantageous for improving the mounting workability.

It is explanatory drawing which attaches a reflecting plate to a rear bumper cover using a bezel. It is a perspective view of the state where the reflecting plate was attached to the rear bumper cover. It is a front view of the state where the reflecting plate was attached to the rear bumper cover. FIG. 4 is a sectional view taken along line XX in FIG. 3. FIG. 4 is a sectional view taken along line YY in FIG. 3. It is a top view of an outer member. It is a front view of an outer member. FIG. 7 is a sectional view taken along line XX in FIG. 6. It is a top view of an inner member. FIG. 10 is a sectional view taken along line XX in FIG. 9. FIG. 10 is a view on arrow Y in FIG. 9.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In the present embodiment, the panel part constituting the appearance of the vehicle body is the rear bumper cover 10, and the automobile part is the reflector 12.
As shown in FIGS. 1 to 3, a bezel 14 is used to attach the reflector 12 to the rear bumper cover 10.
Further, when the reflector 12 is attached to the rear bumper cover 10, the rear bumper cover 10 is provided with an attachment hole 16 in which the bezel 14 is fitted and fixed.

The bezel 14 includes a cylindrical outer member 20 that fits into the mounting hole 16 of the rear bumper cover 10 and an inner member 22 that fits inside the outer member 20. The outer member 20 and the inner member Both are made of synthetic resin and are integrally formed by a mold. The bezel 14 is configured to be fixed to the rear bumper cover 10 by fitting the inner member 22 in a state where the outer member 20 is fitted in the mounting hole 16. The reflector 12 is attached to the inner member 22.
As shown in FIGS. 6 to 8, the outer member 20 includes an annular plate portion 24, a plurality of protruding pieces 26, a clamping protrusion 28, a female screw portion 32, and a rotation prevention groove 34. ing.
The annular plate portion 24 is formed in an annular plate shape, is formed with an outer diameter that allows the back surface to abut on the location of the rear bumper cover 10 around the mounting hole 16, and the inner member 22 is inserted inside the annular plate portion 24. A hole 2402 is formed.
Each protruding piece 26 protrudes on the back side of the annular plate portion 24 from a plurality of locations spaced in the circumferential direction of the inner peripheral portion of the annular plate portion 24 and is formed so as to be inserted inside the attachment hole 16. Has been.
In the present embodiment, four projecting pieces 26 are provided in the circumferential direction alternately with the rotation preventing grooves 34, and each projecting piece 26 is formed so as to be elastically deformable in the radial direction of the annular plate portion 24.
Each projecting piece 26 is formed such that the inner surface 26A of each projecting piece 26 and the outer surface 26B positioned opposite to the projecting piece 26 extend along a predetermined conical surface whose outer diameter gradually decreases as the distance from the ring plate portion 24 increases. Has been. That is, each protruding piece 26 protrudes in a state of being inclined so as to be positioned radially inward as the distance from the ring plate portion 24 increases. By making the plurality of projecting pieces 26 have such a shape that extends on the conical surface, the outer member 20 can be easily inserted into the mounting hole 16, and the workability of attaching the reflector 12 to the rear bumper cover 10 is improved. Is planned.

The clamping protrusion 28 is provided on the outer surface 26B of each protruding piece 26 and protrudes radially outward.
The pinching protrusion 28 can clamp the portion of the rear bumper cover 10 around the mounting hole 16 in cooperation with the ring plate portion 24 by the elastic deformation of the protruding piece 26 radially outward of the ring plate portion 24. It is.
The female screw 32 is provided on the inner surface 26 </ b> A on the distal end side of each protruding piece 26.
The female screw 32 is screwed with a male screw portion 42 of a cylindrical portion 38 of the inner member 22 described later.
The rotation prevention groove 34 is provided between the protruding pieces 26 or adjacent protruding pieces 26. In the present embodiment, the rotation preventing groove 34 is formed by a gap between the adjacent protruding pieces 26, and the outer member side engaging portion 30 is simply configured to reduce the cost of the bezel 14. It is advantageous.
Further, since a plurality of projecting pieces 26 are provided, a plurality of rotation prevention grooves 34 are also provided at intervals in the circumferential direction of the insertion hole 2402, and rotation prevention is achieved in a desired screwed state of a male screw 42 and a female screw 32 described later. The rotation preventing projection 44 is easily engaged with the groove 34, and the attachment of the reflector 12 is improved.

As shown in FIGS. 9 to 11, the inner member 22 includes a component mounting portion 36, a tubular portion 38, a male screw portion 42, and a rotation prevention protrusion 44.
The component attachment part 36 is a place where an automobile part is attached. In the present embodiment, the part attachment part 36 has a disk shape, and the reflector 12 which is an automobile part is attached to the surface of the part attachment part 36.
The cylindrical portion 38 is provided in a cylindrical shape so as to protrude from the outer peripheral portion of the back surface of the component mounting portion 36 and is formed so as to be insertable into the insertion hole 2402 of the ring plate portion 24 of the outer member 20.
The outer peripheral surface of the cylindrical portion 38 has an inclination angle smaller than the inclination angle of the conical surface on which the inner surface 26A of the projecting piece 26 of the outer member 20 extends, and the outer diameter gradually decreases as the distance from the component mounting portion 36 increases. It is formed in the inclined surface extended along a conical surface. By configuring the cylindrical portion 38 in such a shape, the cylindrical portion 38 can be easily inserted into the insertion hole 2402 of the annular plate portion 24, and the mounting workability of the reflector 12 can be improved. It has been.
As shown in FIG. 5, the cylindrical portion 38 is inserted in a state where the projecting piece 26 is inserted inside the mounting hole 16 and the ring plate portion 24 is in contact with a portion of the rear bumper cover 10 around the mounting hole 16. By being inserted into the holes 2402, the protruding pieces 26 are fitted into the inner surfaces 26 </ b> A of the protruding pieces 26 to elastically deform the protruding pieces 26 outward in the radial direction of the ring plate portion 24. Thus, the portion of the rear bumper cover 10 around the mounting hole 16 is sandwiched.
Further, the tubular portion 38 is elastically deformed radially inward by pressing the inner surface side of each protruding piece 26 of the outer member 20 in a state where the tubular portion 38 is inserted into the insertion hole 2402 of the annular plate portion 24 of the outer member 20. Stop.

The male screw portion 42 is formed on the distal end side of the outer peripheral surface of the cylindrical portion 38. Therefore, the cylindrical portion 38 is inserted into the insertion hole 2402 in a state where the protruding piece 26 is inserted inside the mounting hole 16 and the ring plate portion 24 is in contact with the location of the rear bumper cover 10 around the mounting hole 16. When the cylindrical portion 38 is rotated in a state where the distal end portion of the cylindrical portion 38 is positioned in the vicinity of the inner side of the distal end side of each protruding piece 26, the male screw portion 42 is screwed into the female screw portion 32, and the protruding piece 26 is connected to the ring. The cylindrical portion 38 advances toward the distal end side of the protruding piece 26 while being elastically deformed outward in the radial direction of the plate portion 24.
As shown in FIG. 4, the rotation-preventing projection 44 is configured such that the male screw portion 42 and the female screw portion 32 are screwed together and the portion of the rear bumper cover 10 around the mounting hole 16 is held by the ring plate portion 24 and the projection. In this state, the inner member 22 is prevented from rotating with respect to the outer member 20 by engaging with the rotation preventing groove 34. Specifically, when the male screw portion 42 of the cylindrical portion 38 is screwed into the female screw portion 32 of the outer member 20 and the cylindrical portion 38 is fitted to a predetermined position of the outer member 20, the rotation prevention protrusion 44 rotates. The mechanism is configured to be engaged with the blocking groove 34, and further screwing is blocked to restrict the positions in the circumferential direction and the insertion direction. The rotation preventing projection 44 is provided on the outer peripheral surface of the cylindrical portion 38 through a notch 3802 so as to be elastically deformable in the radial direction of the cylindrical portion 38.
Then, the male screw portion 42 and the female screw portion 32 are screwed together, and the portion of the rear bumper cover 10 around the mounting hole 16 is clamped by the ring plate portion 24 and the clamping projection 28, and the rotation prevention projection 44 and the rotation prevention projection are clamped. In a state where the groove 34 is engaged, the reflecting plate 12 is disposed at a predetermined position located on the back side of the bumper from the annular plate portion 24 inside the insertion hole 2402.

The reflector 12 is attached to the rear bumper cover 10 using the bezel 14 as follows.
First, the reflecting plate 12 is attached to the component mounting portion 36 of the inner member 22.
Next, the plurality of protruding pieces 26 of the outer member 20 are inserted into the mounting holes 16 of the rear bumper cover 10, and the ring plate portion 24 is brought into contact with the portion of the rear bumper cover 10 around the mounting holes 16. In this case, the annular plate portion 24 may be attached to the rear bumper cover 10 using a double-sided tape, which is advantageous in increasing the efficiency of the operation of engaging the inner member 22 with the outer member 20. It becomes.
Next, the cylindrical portion 38 of the inner member 22 is inserted from the insertion hole 2402 of the annular plate portion 24 of the outer member 20, and the plurality of protruding pieces 26 are expanded outward in the radial direction of the annular plate portion 24. .

When the tip of the cylindrical portion 38 is located in the vicinity of the inside of the protruding piece 26 on the tip side, a finger is put inside the cylindrical portion 38 and the cylindrical portion 38 is rotated. By the rotation of the cylindrical portion 38, the male screw portion 42 and the female screw portion 32 are screwed together so that the cylindrical portion 38 advances toward the distal end side of the protruding piece 26, and the protruding piece 26 is moved in the radial direction of the ring plate portion 24. It is further elastically deformed outward.
When the tubular portion 38 is fitted to a predetermined position by screwing, the rotation preventing projection 44 and the rotation preventing groove 34 are engaged, and the rotation of the inner member 22 relative to the outer member 20 is prevented. The outer member 20 and the inner member 22 are coupled so as not to move. That is, the outer member 20 and the inner member 22 cannot be separated from each other by the engagement between the rotation prevention protrusion 44 and the rotation prevention groove 34.
In this state, the location of the rear bumper cover 10 around the mounting hole 16 is clamped by the clamping projection 28 and the ring plate portion 24 of the outer member 20, and the bezel 14 is attached to the rear bumper cover 10. In addition, the reflecting plate 12 is positioned in a predetermined state.
In this state, the cylindrical portion 38 prevents elastic deformation of the protruding piece 26 inward in the radial direction, so that the rear bumper cover 10 around the mounting hole 16 is clamped by the clamping protrusion 28 and the ring plate portion 24. Since the state where the portion is clamped is maintained and the engagement between the outer member 20 and the rear bumper cover 10 is not released, the bezel 14 is securely attached to the rear bumper cover 10. That is, the reflector 12 that is an automobile part is securely attached to the rear bumper cover 10 via the bezel 14.

According to the present embodiment, it is possible to securely attach the reflector 12 to the rear bumper cover 10 via the bezel 14 simply by forming the attachment hole 16 in the rear bumper cover 10.
Therefore, when attaching the reflector 12 having the same shape to the rear bumper cover 10 of a different vehicle type, it is sufficient to prepare the bezel 14 and to simply form the mounting hole 16 in the rear bumper cover 10. It is no longer necessary to change the mold, and a frame for supporting the reflector 12 is not necessary, so that the cost for attaching the reflector 12 can be greatly reduced. Workability can be greatly improved.
In addition, with the reflector 12 attached to the rear bumper cover 10, the reflector 12 is disposed within the insertion hole 2402 of the annular plate 24 at a location that is more immersed than the annular plate 24. Even if it hits the rear bumper cover 10, the object does not hit the reflecting plate 12, and there is no problem that the orientation and mounting position of the reflecting plate 12 change.

In the present embodiment, the case where the automobile part is the reflector 12 has been described. However, the automobile part of the present invention includes a wide range of exterior parts and ornaments such as fog lamps, various sensors such as ultrasonic sensors, and cameras. It is a waste.
Further, in the present embodiment, the disk-shaped component mounting portion 36 is provided on the front side of the cylindrical portion 38 and the reflecting plate 12 is mounted. However, depending on the shape of the automobile component, the inside of the cylindrical portion 38 is configured. You may attach a motor vehicle part in the state accommodated in (inner peripheral side).
Further, the outer member side engaging portion 30 and the inner member side engaging portion 40 are configured such that the outer bumper cover 10 and the holding protrusion 28 sandwich the outer bumper cover 10 around the mounting hole 16. The member 20 and the inner member 22 may be configured to be immovably coupled in the circumferential direction and the axial direction of the ring plate portion 24, and are not limited to the structure of the embodiment, and various conventionally known structures can be employed. is there.
In the present embodiment, the case where the panel portion constituting the appearance of the vehicle body is the rear bumper cover 10 has been described. However, the panel portion is not limited to the rear bumper cover 10 or the front bumper cover, and other parts of the vehicle body are not limited. Widely applied to panel parts such as outer panels that form the exterior.

  10: Rear bumper cover, 12: Reflector, 14 ... Bezel, 16 ... Mounting hole, 20 ... Outer member, 22 ... Inner member, 24 ... Ring plate, 26 ... Projection piece, 28 …… Nipping protrusion, 32 …… Female thread portion, 34 …… Rotation preventing groove, 36 …… Part mounting portion, 38 …… Cylindrical portion, 42 …… Male thread portion, 44 …… Rotation preventing protrusion

Claims (3)

It is a structure that attaches automobile parts to the panel part that constitutes the appearance of the car body,
A bezel for mounting an automobile part attached to a mounting hole formed in the panel portion is provided,
The bezel includes an outer member engaged with the attachment hole of the panel portion, and an inner member to which the automobile part is attached and fitted to the outer member,
The outer member includes an annular plate portion having a back surface capable of contacting a portion around the mounting hole of the panel portion, and an insertion hole into which the inner member is inserted, and an inner portion of the annular plate portion. A plurality of projecting pieces projecting from the peripheral portion to the back surface side of the annular plate portion, insertable into the mounting hole and elastically deformable in the radial direction of the annular plate portion, and provided on the outer surface of the projecting pieces, A projection for clamping the panel portion between the annular plate portion and a female screw portion provided on the inner surface of each protruding piece;
The inner member includes a part attachment portion to which the automobile part is attached, and the plurality of protruding pieces of the outer member are inserted into the attachment hole, and the ring plate portion is a portion of the panel portion around the attachment hole. A cylindrical tubular portion that is inserted into the insertion hole and fitted inside the plurality of projecting pieces while being in contact with the outer peripheral surface of the cylindrical portion; A male threaded portion that can be screwed into the female threaded portion of
The inner member and the outer member are fitted by a threaded engagement between the male threaded portion of the cylindrical portion and the female threaded portion of each protruding piece, and in the fitted state, the tubular portion of the inner member is the outer member. A structure for mounting an automobile part to a panel portion, wherein the protruding portion of the member is prevented from being elastically deformed and the outer member is held in engagement with the panel. The outer member includes a rotation-preventing groove provided in a slit shape between the adjacent protruding pieces,
The inner member is provided on an outer peripheral surface of the cylindrical portion, and engages with the rotation prevention groove when the male screw portion is screwed to a predetermined position with respect to the female screw portion. The panel portion according to claim 1, further comprising: a rotation-preventing protrusion that prevents rotation of the inner member, prohibits movement of the inner member with respect to the outer member, and positions the automotive component. Mounting structure of automobile parts to The plurality of projecting pieces are formed to extend along a predetermined conical surface whose outer diameter gradually decreases as the inner surface thereof moves away from the ring plate portion to the back surface side of the ring plate portion,
The cylindrical portion is formed so as to extend along a conical surface whose outer diameter gradually decreases at an inclination angle smaller than the inclination angle of the conical surface as the outer peripheral surface thereof moves away from the back surface side of the annular plate portion. And
The panel portion according to claim 1, wherein the plurality of projecting pieces are elastically deformed radially outward according to an amount of the male screw portion screwed into the female screw portion. Mounting structure of automobile parts to

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