JP2004306922A - Mounting structure of overfender - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of an overfender to be installed along the wheel arch part of a car body, in particular of its bottom edge, capable of reducing the man-hours for executing the work, suppressing the labor to make aligning etc. of a fastening hole, assuring good easiness in conducting the mounting work, and securing the clearance between the overfender mounting part and a tire in a wheel house sufficiently. <P>SOLUTION: The mounting structure of the overfender includes a stud bolt 4 provided protrusively on the inner surface of the wheel house for fixing a wheel house liner 5 and the wheel arch part 10 of a car body outer plate 1 furnished at its bottom edge with a flange 21 overhung toward inside the car the overfender 2 in such a way as along the wheel arch part, in which the overfender 2 is mounted with the aid of clips 3, wherein the clip 3 has a clip body 3a extending from the inner surface of the wheel house toward the flange 21 of the overfender 2 and is structured so that a clamp part 31 formed at the top of the clip body 3a is engaged with the stud bolt 4 penetrating the liner 5 and that a fitting groove 32 formed in the middle position of the clip body 3a is fitted on the flange 11 of the wheel arch part 10 for establishing mounting in the wheel house, whereby the flange on the overfender 2 is fastened to a fastening part 33 provided at the bottom of a grip body 3. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a mounting structure of an over fender provided along a wheel arch portion of a vehicle body, and particularly to a mounting structure of a lower edge portion thereof.
[0002]
[Prior art]
Conventionally, RV vehicles and the like include a vehicle equipped with a wide tire. In this type of vehicle, an over fender is attached to a wheel arch portion of a vehicle body so that a tire does not protrude from a side surface of the vehicle body. As shown in FIG. 6, the over fender 2 has an arch shape along the wheel arch portion 10 of the vehicle body outer panel 1, and has an upper edge fixed to an outer surface of the vehicle body outer panel 1 and fixed to a central portion of a lower edge. ing.
[0003]
FIG. 7 is a cross-sectional view taken along the line AA of FIG. 6 showing a mounting structure of the lower edge center portion of a conventional typical over fender. A mounting hole 13 is formed in the vehicle body outer plate 1 and the grommet 7 is formed therein. The upper end of the bracket 8 made of a metal plate and having a substantially L-shaped cross section is screwed and fixed to the grommet 7. Then, a flange 21 provided on the lower edge of the over fender 2 and projecting toward the vehicle interior is overlapped with a lower end portion 80 of the bracket 8 projecting to the vehicle exterior, and both are fastened (riveted) together with the rivets 6. . In FIG. 7, reference numeral 5 denotes a wheel house liner that covers the inner surface of the wheel house, 4 denotes a stud bolt protruding from the inner surface of the wheel house, and 52 denotes a resin nut that fixes the wheel house liner 5 to the stud bolt 4.
[0004]
Further, as another conventional mounting structure of an over fender, a bracket protruding to the outside of the vehicle is riveted to a flange at a lower edge of a wheel arch portion of a vehicle body, and a flange of the over fender is overlapped with an outer end of the bracket. There is one that is riveted together (for example, see Patent Document 1).
[0005]
[Patent Document 1]
Japanese Utility Model Laid-Open No. 05-076972 [0006]
[Problems to be solved by the invention]
However, in the former conventional technique, there is a problem that an operation for forming the mounting hole 13 for inserting the grommet 7 on the vehicle body side and an operation for mounting the bracket 8 on the vehicle body side are required, and the number of operation steps is large. Further, when the bracket 8 and the over fender 2 are riveted, the lower end portion 80 of the bracket 8 is easy to swing along the vehicle body outer plate 1 around the fastening portion to the grommet 7, and the riveting bracket 8 is fastened. There has been a problem that the hole positions of the holes and the fastening holes of the over fender 2 are shifted, and the workability of fastening the bracket 8 and the over fender 2 is poor. Similarly, in the latter conventional technology, the problem that the number of working steps is large also occurs, and the bracket must be fastened to the flange of the wheel arch portion, so the amount of projection of the flange to the inside of the vehicle increases, and the tire in the wheel house and Has a disadvantage that it is difficult to secure the clearance. Therefore, the present invention can reduce the number of work steps, does not require any work such as alignment of the fastening holes, has good mounting workability, and further ensures a sufficient clearance between the overfender mounting portion and the tire in the wheel house. An object of the present invention is to provide a mounting structure for an over fender that can be provided.
[0007]
[Means for Solving the Problems]
The present invention relates to a wheel of a vehicle body outer plate having a stud bolt protrudingly provided on an inner surface side of a wheel house of an automobile to fix a wheel house liner covering the same, and having a flange formed on a lower edge so as to project inward. An over fender mounting structure for mounting, via a clip, an over fender having a flange formed on a lower edge along a lower edge thereof along the arch portion, wherein the clip is provided from an inner side of the wheel house. At the upper end of the clip body extending toward the flange side of the fender, a clamp portion for locking the stud bolt is provided, a fitting groove for fitting the flange of the wheel arch portion is provided at an intermediate position, and the over fender of the over fender is provided at the lower end. A fastening portion for fastening a flange is provided, and the fitting groove of the clip is fitted to the flange of the wheel arch portion. A structure in which the clamp portion is engaged with the tip of the stud bolt penetrating the wheel house liner and attached to the wheel house, and the fastening portion is overlapped and fastened to the flange of the over fender. (Claim 1). When the clip is mounted on the vehicle body, stud bolts on the inner surface of the wheel house are used, so that it is not necessary to provide a mounting hole or the like in the vehicle body. The clip has an upper end fixed to the stud bolt and an intermediate portion fixed to the flange of the wheel arch, so that the mounting stability is good. Accordingly, when the flange of the over fender is fastened to the fastening portion of the clip, the positions of the fastening holes are not shifted, and the two can be fastened with good workability.
[0008]
The clip body is formed of an integrally molded synthetic resin material having the clamp portion, the fitting groove, and the fastening portion (claim 2).
[0009]
The clamp portion has a vertically long through hole through which the stud bolt can be inserted at an upper end of the clip body, and sandwiches a thread portion on an outer periphery of a tip end portion of the stud bolt from an opening vertical edge facing the through hole. The engaging claw to be attached is extended (claim 3). The clamp can be locked to the stud bolt with one touch.
[0010]
The clip includes the clip body and a reinforcing member formed of a metal plate superimposed on a portion of the clip body extending to the fitting groove and the fastening portion. The mounting strength of the over fender using the clip is increased.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
The present invention is an overfender mounting structure for fixing a lower edge of an overfender to a wheel arch portion of a wheel house via a clip. As shown in FIG. 6, the over fender 2 is an arch-shaped synthetic resin molded product along the wheel arch portion 10 of the vehicle body outer panel 1, and is attached so as to cover the outer surface of the wheel arch portion 10. FIG. 1 is a cross-sectional view of the mounting structure of the lower edge of the over fender at a position along the line AA in FIG. 6, and the wheel arch portion 10 has a double-body body outer plate including an outer panel 1a and an inner panel 1b. 1 and has a flange 11 at its lower edge bent toward the inside of the vehicle. A wheel house liner 5 made of synthetic resin is installed on the inner surface 12 of the wheel house so as to cover the inner surface. The inner surface 12 of the wheel house is provided with a stud bolt 4 for fixing a wheel house liner 5 whose base end is welded to the inner panel 1b and protrudes toward the vehicle interior at a position near the wheel arch portion 10. The stud bolt 4 penetrates through a mounting hole 51 of the wheel house liner 5 which is disposed so as to overlap the inner surface 12 of the wheel house.
[0012]
A flange 21 is formed at the lower end of the over fender 2 toward the inside of the vehicle. The lower end of the over fender 2 is fixed to the wheel arch 10 by the clip 3 extending from the inner surface 12 of the wheel house to the flange 21 of the over fender 2 while avoiding the flange 11 of the wheel arch 10.
[0013]
As shown in FIGS. 1 to 3, the clip 3 is provided with a clamp portion 31 at the upper end which is engaged with a tip end of a stud bolt 4 protruding from the wheel house liner 5, and a flange of the wheel arch portion 10 at an intermediate position. A clip body 3a made of a synthetic resin material integrally formed and provided with a fitting groove 32 for fitting the flange 11 and a fastening portion 33 for fastening the flange 21 of the over fender 2 at the lower end, and a vehicle interior of the clip body 3a And a reinforcing member 3b made of a metal plate extending along the plate surface.
[0014]
The clamp portion 31 of the clip body 3a is a hollow rectangular shape having openings on four sides of a rectangular parallelepiped peripheral wall. The base wall 311 of the peripheral wall that is disposed to face the wheel house liner 5, and the opening of the opposing wall 312 that faces the front is vertically long. The through hole 34 is shaped like a letter. The width of the opening of the through hole 34 is substantially the same as the diameter of the thread of the thread 41 at the tip of the stud bolt 4 so that the thread 41 can be inserted. The vertical width of the opening of the through hole 34 is longer than the horizontal width, and the stud bolt 4 inserted into the through hole 34 can move relative to the through hole 34.
[0015]
As shown in FIG. 4, a pair of locking claws 35 extending from the vertical edges on both sides of the through hole 34 to the inside of the clamp portion 31 are formed on the base wall 311 of the clamp portion 31. The two locking claws 35 are formed so that the interval between them becomes narrower toward the distal end. The distance between the distal ends of the both locking claws 35 is smaller than the diameter of the thread of the thread portion 41 of the stud bolt 4. It is.
[0016]
As shown in FIGS. 1 to 3, a strip-shaped substrate portion 36 extends downward from the bottom wall of the clamp portion 31, and connects the clamp portion 31 to the fitting groove 32. A plurality of triangular vertical wall-shaped ribs 361 and 362 connecting the bottom wall of the clamp portion 31 and the plate surface of the substrate portion 36 are provided at the boundary between the clamp portion 31 and the substrate portion 36 to reinforce the rib. As shown in FIG. 1 to FIG. 3 and FIG. 5, a rectangular boss 37 on which a reinforcing member 3b described later is mounted protrudes from a plate surface inside the wheel house (inside the vehicle) of the substrate portion 36. A pair of locking claws 371 are provided on both side surfaces of 37. The both locking claws 371 are formed so as to be inclined such that the claw ends protrude from the protruding end of the boss 37 toward the substrate portion 36 side.
[0017]
As shown in FIGS. 1 to 3, the lower half of the substrate portion 36 has a shape facing the flange 11 of the wheel arch portion 10 and projecting toward the inside of the vehicle so as to avoid the flange 11. Is provided with a fitting groove 32 having a substantially U-shaped cross section which opens to the side opposite to the direction of extension so as to fit with the flange 11. The upper portion 321 of the fitting groove 32 has a width wider than that of the substrate portion 36, and improves the contact with the upper surface when the flange 11 is fitted. The lower portion 322 of the fitting groove 32 is hollow, and when the flange 11 is fitted into the fitting groove 32, the hollow lower portion 322 is pressed against the lower surface of the flange 11. A thin lip 324 is formed on the edge of the lower portion 322 and projects in an inclined manner toward the fitting groove 32. When the flange 11 is fitted into the fitting groove 32, the lip 324 Is guided to the fitting groove 32 and is hardly removed from the fitting groove 32.
[0018]
Further, at the lower end of the substrate portion 36, a flat fastening portion 33 extending toward the vehicle outside is formed below the fitting groove 32. In the center of the fastening portion 33, an elongated fastening hole 331 is formed along the extension direction. On the lower surface of the fastening portion 33, a small circular protrusion 332 for engaging the reinforcing member 3b is provided to protrude downward.
[0019]
The reinforcing member 3b is a metal plate having the same width as that of the clip body 3a, and is formed by bending a series of metal plates along the lower surface of the fastening portion 33 from the inner surface of the board portion 36 of the clip body 3a. In the upper half of the reinforcing member 3b, a square hole 372 for fitting the boss 37 is formed at a position corresponding to the boss 37 of the clip body 3a. At the lower end of the reinforcing member 3b, a fastening hole 331 corresponding to the fastening hole 331 of the fastening portion 33 of the clip body 3a is formed. A through-hole 333 for fitting the protrusion 332 is formed near the fastening hole 331 at a position corresponding to the protrusion 332 on the lower surface of the fastening portion 33.
[0020]
The reinforcing member 3b is disposed so as to be superimposed on the lower surface of the fastening portion 33 from the plate surface on the vehicle interior side of the substrate portion 36 of the clip body 3a, and the boss 37 of the clip body 3a is fitted into the square hole 372 of the reinforcing member 3b. The locking claws 371 on both sides of the boss 37 are locked on both side edges of the square hole 372, and the protrusion 332 on the lower surface of the fastening portion 33 of the clip body 3a is fitted and fixed in the through hole 333 in the lower half. Is done. The fastening hole 331 at the lower end of the reinforcing member 3b matches the fastening hole 331 of the clip body 3a.
[0021]
As shown in FIG. 1, the clip 3 is fitted from the inside of the wheel house into the through hole 34 of the base wall 311 of the clamp portion 31 with the tip end of the stud bolt 4 projecting from the wheel house liner 5 being fitted into the fitting groove 32. Is fitted to the flange 11 of the wheel arch 10. In this case, since the through hole 34 of the clamp portion 31 is formed to be vertically long, the through hole 34 can be easily formed even if the protruding angle of the stud bolt 4 toward the vehicle interior differs from the protruding angle of the flange 11 toward the vehicle interior. The stud bolt 4 can be fitted into the stud bolt 4.
[0022]
Then, the clamp portion 31 abuts the base wall 311 around the mounting hole 51 of the wheel house liner 5, and presses the wheel house liner 5 against the inner surface of the wheel house. The stud bolt 4 is sandwiched between the locking claws 35, and the claw ends of the both locking claws 35 are locked to the valleys between the thread portions of the screw portion 41 on the outer periphery of the stud bolt 4. At this time, the flange 11 of the wheel arch portion 10 is fitted into the fitting groove 32 to its deepest portion, and the flange 11 is vertically sandwiched between the wide upper portion 321 and the hollow lower portion 322 of the fitting groove 32. To hold.
[0023]
After that, the over fender 2 is set along the wheel arch portion 10, the upper edge of the over fender 2 is fixed along the outer surface of the vehicle body outer panel 1, and the fastening portion 33 of the clip 3 and the flange of the over fender 2 are fixed. 21 are vertically overlapped and fastened (riveted) with rivets 6. The rivet 6 is a cylindrical body provided with a flange portion, and a rivet having a ball-shaped caulking shaft inserted into the cylinder is inserted into the fastening hole 331 from the flange 21 side (below) of the over fender 2 and the caulking is performed. By pulling out the shaft, the tip is buried in the cylinder, the diameter of the cylinder increases, and the fastening portion 33 of the clip 3 and the flange 21 of the over fender 2 are fastened.
[0024]
According to the present embodiment, when the clip 3 is mounted on the vehicle body, the clamp portion 31 of the clip 3 is engaged with the stud bolt 4 for mounting the wheel house liner 5 projecting from the inner surface of the wheel house. Therefore, unlike the conventional structure, it is not necessary to form a hole in the vehicle body outer plate or provide a member such as a bracket, so that the number of working steps can be reduced. Further, since the wheel house liner 5 is also integrally fastened to the stud bolt 4 by the clamp portion 31 of the clip 3, a nut member or the like for fastening the wheel house liner 5 to the stud bolt 4 unlike the conventional structure is not required. .
[0025]
Further, the clip 3 has a structure in which the clamp portion 31 is engaged with the stud bolt 4 and the fitting groove 32 and the flange 11 of the wheel arch portion 10 are fitted, so that the clip 3 can be easily attached to the vehicle body with one touch. In addition, when the clip 3 is attached to the vehicle body, the fastening portion 33 at the lower end does not swing as in a bracket or the like having a conventional structure, and accurate positioning of the fastening portion 33 can be easily performed. Therefore, the hole positions of the fastening hole 22 of the flange 21 and the fastening hole 331 of the fastening portion 33 do not shift, and it is not necessary to adjust these positions. In this embodiment, the fastening portion 33 of the clip 3 and the flange 21 of the over fender 2 are riveted. However, the present invention is not limited to this, and the two may be welded, bonded by an adhesive, or screwed.
[0026]
In addition, according to the mounting structure of the present invention, unlike the conventional mounting structure of an over fender, a bracket or the like is not directly fastened to the flange 11 of the wheel arch portion 10; , The amount of protrusion of the flange 11 toward the wheel house can be reduced, and the amount of protrusion of the clip 3 fitted with the flange 11 toward the wheel house can be reduced. The clearance between the wheel and the tire in the wheel house can be sufficiently secured.
[0027]
In the above embodiment, the clip 3 in which the reinforcing member 3b is attached to the clip main body 3a is used, but the over fender 2 can be fixed with only the clip main body 3a. However, the attachment strength of the over fender can be enhanced by providing the reinforcing member 3b.
[0028]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to the mounting structure of the over fender of the present invention, the number of work steps for mounting the over fender to the wheel arch portion of the vehicle body can be reduced, and the work for mounting such as positioning of the fastening holes of each member is not required. Can be improved. Further, a sufficient clearance between the overfender mounting portion and the tire in the wheel house can be secured.
[Brief description of the drawings]
FIG. 1 shows a mounting structure of an over fender of the present invention, and is a cross-sectional view taken along a line AA of FIG.
FIG. 2 is an exploded perspective view of a clip used for the mounting structure of the present invention.
FIG. 3 is a completed perspective view of the clip.
FIG. 4 is a sectional view taken along a line IV-IV in FIG. 3;
FIG. 5 is a sectional view taken along a line VV in FIG. 3;
FIG. 6 is a side view of an over fender to which the present invention is applied.
FIG. 7 is a cross-sectional view taken along the line AA of FIG. 6 showing a conventional mounting structure of an over fender.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Body outer panel 10 Wheel arch part 11 Wheel arch part flange 2 Over fender 21 Over fender flange 3 Clip 3a Clip body 3b Auxiliary member 31 Clamp part 32 Fitting groove 33 Fastening part 34 Through hole 35 Locking claw 4 Stud bolt 41 Screw part 5 Wheel house liner

Claims (4)

On the inner side of the wheel house of the car, provided with stud bolts protruding to fix the wheel house liner that covers it, and on the wheel arch part of the vehicle body outer plate with a flange protruding inward in the lower edge, An over fender mounting structure for mounting via a clip an over fender formed with a flange protruding inward in the vehicle along a lower edge thereof,
The clip is provided with a clamp portion for locking the stud bolt at an upper end of a clip body extending from an inner surface side of the wheel house to a flange side of the over fender, and a flange of the wheel arch portion is fitted at an intermediate position. A fitting portion for fastening the flange of the over fender is provided at the lower end, and the fitting groove of the clip is fitted to the flange of the wheel arch portion, and the clamp portion is connected to the wheel house. A mounting structure for an over fender, wherein the stud bolt is penetrated through a liner and is fixed to a wheel house by being locked to a tip end of the stud bolt, and the fastening portion is overlapped and fastened to a flange of the over fender. The mounting structure for an over fender according to claim 1, wherein the clip body is made of a synthetic resin material in which the clamp portion, the fitting groove, and the fastening portion are integrally formed. The clamp portion has a vertically long through hole through which the stud bolt can be inserted at an upper end of the clip body, and sandwiches a thread portion on an outer periphery of a tip end portion of the stud bolt from an opening vertical edge facing the through hole. The mounting structure for an over fender according to claim 2, wherein the engaging claw to be attached is extended. 4. The overfender according to claim 2, wherein the clip includes the clip body and a reinforcing member formed of a metal plate overlapped with a portion of the clip body extending to the fitting groove and the fastening portion. 5. Mounting structure.

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