JP2000079857A - Installing structure of bumper for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fix the end of a bumper in a good workability to the end of a car body panel low in rigidity and easy to deflect. SOLUTION: In this installing structure of a bumper for vehicle, a support member 3 is provided at the end 10 of a car body panel 1, an engaging part 40 provided to the bumper 2 is press-fitted in to the head 30 of the support member 3, and the bumper 2 is installed to the car body panel 1. In such an installing structure, an installing part 12 parallel to the pressing-in direction of the bumper 2, and a flange part 13 which is bent almost square to the installing part 12, are formed at the end 10 of the car body panel 1, the support member 3 having the head part 30, and two legs 31 and 32 extending from the head part 30 almost in the square direction each other is used, the tips of the legs 31 and 32 are connected to the installing part 12 and the flange part 13 respectively, to form a square box cross section with the end 10 of the car body panel 1 and the support member 3, so as to reinforce the rigidity, the bumper 2 is pressed in to the flange part 13 along the installing part 12, and the engaging part 40 is press-fitted in to the head 30 of the support member 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting method for a vehicle bumper, and more particularly to a mounting structure for mounting a bumper on an end of a vehicle body panel.

[0002]

2. Description of the Related Art Generally, a vehicle bumper is fixed to a vehicle body panel at a plurality of positions via support members.
FIG. 4 shows a typical mounting structure of the vehicle body panel 1A.
Is provided with a support member 5 on an outer plate 16. The support member 5 is a cylindrical body made of a synthetic resin, is fitted into the mounting hole of the outer plate 16, and is screwed into the mounting hole by screwing the screw 51 from the head 50 side to be fixed. The support member 5 has a flange 52 below the head 50.

[0003] The end of the synthetic resin bumper 2 is folded back to the back side of the bumper 2, and the folded portion 25 is provided with a fitting hole 26 for fitting the head 50 of the support member 5, and the bumper 2 is attached to the outer plate 16. The head 50 of the support member 5 is pressed into the fitting hole 26.

[0004]

The conventional structure for mounting a bumper is, as shown in FIG. 4, for mounting a bumper on a highly rigid panel end where an outer plate 16 and an inner plate 17 are joined. Can be easily applied. However, the bumper 2 is attached to the front edge 10 of the fender panel 1 of the vehicle shown in FIG.
When the end portion is mounted, the front edge 10 is generally a single plate, and when the bumper 2 is pressed against the support member provided thereon, the front edge 10 of the fender panel 1 bends inward to transmit the pressing force. Therefore, it is difficult to fit the bumper and the support member. For this reason, the worker inserts one hand into the inside of the car and
It is necessary to press the bumper with the other hand while supporting the front edge 10 from the inside, which makes the operation difficult.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a mounting structure of a bumper which can mount a bumper with good workability even at a terminal of a vehicle body panel having low rigidity against a pressing force.

[0006]

According to the present invention, a support member is attached to an end portion of a vehicle body panel, and a bumper provided with an engagement portion on the back surface is pushed toward the vehicle body panel, and the engagement portion is attached to the support member. In a mounting structure for a vehicle bumper in which a bumper is mounted on a vehicle body panel by press-fitting to a head, a mounting portion parallel to a pushing direction of the bumper is provided at an end of the vehicle body panel, and a flange bent substantially at right angles from the mounting portion. A support member having a head and two legs extending in a direction substantially perpendicular to each other from the head as the support member, and the ends of the legs are respectively attached to the mounting portion and the flange. The vehicle body panel and the support member are connected to each other to form a rectangular box cross section.
The end of the low rigidity body panel is box-shaped with the support member, so that sufficient rigidity is exhibited against the pressing force of the bumper, and the engagement portion of the bumper and the support member are securely fitted. Can be.

[0007] The head of the support member is formed in a spherical shape,
A clip provided with the engaging portion fitted to the head is engaged with the back surface of the end of the bumper, and the engaging portion is press-fitted to the head. Since the head of the support member is spherical, the engaging portion can be easily fitted to the head even if there is some deviation in the direction of pushing the bumper.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to the attachment of the end of a bumper 2 to a front edge 10 of a fender panel 1 of a vehicle shown in FIG. 3 will be described with reference to FIGS. . At the end of the mounting portion 12 which is bent inward at a substantially right angle from the design portion 11 of the fender panel 1 forming the wheel house 15 (FIG. 3), a flange portion 13 bent at a substantially right angle in the opposite direction to the design portion 11 is formed. I have. Also,
The mounting portion 12 has a rectangular mounting hole 14 formed therein.

The support member 3 is an integrally molded body made of a synthetic resin, and has a substantially spherical head 30 and a first head 30 extending from the head 30.
And a second leg 32 which also extends from the head 30 in a direction perpendicular to the first leg 31.

The first leg 31 has a rectangular flat plate portion 34 formed at the tip of a cylindrical portion 33 extending from the head portion 30, and a square pillar-shaped engaging portion is formed on the front surface of the flat plate portion 34 from the center thereof. The stop 35 protrudes. The engaging portion 35 has a tapered outer peripheral surface at the distal end, and a projection 36 having a triangular cross section and a gentle slope from the distal end side is provided on each of two side surfaces opposed to each other in a back-to-back manner.
4 and a groove 37 is formed.

The second leg 32 is provided with a grip 39 at the tip of a column 38 extending from the head 30. Gripping part 3
Reference numeral 9 denotes a U-shaped cross section, which forms a T-shape with the cylindrical portion 38, and is opened in a direction along the projecting direction of the first leg 31.

The support member 3 pushes the locking portion 35 of the first leg 31 into the mounting hole 14 from the front of the mounting portion 12 of the fender panel 1 so that the groove 37 is fitted into the mounting hole 14, and at the same time, the second By fitting the grip portion 39 of the leg portion 32 into the edge of the flange portion 13 of the fender panel 1, it is locked to the front edge 10 of the fender panel 1. Thereby, the mounting portion 12 and the flange portion 13 of the fender panel 1 and the first and second leg portions 31 of the support member 3 at right angles to each other.
32 form a square box cross section.

On the other hand, the bumper 2 is made of a synthetic resin, and has an inwardly projecting flange 21 formed at an end of the fender panel 1 facing the mounting portion 12, and an inner surface of the end of the bumper 2 has a fender. A clip 4 is attached at a position corresponding to the support member 3 locked to the front edge 10 of the panel 1.

The clip 4 is an integral molded body made of synthetic resin.
It comprises an engaging portion 40 for fitting the head 30 of the support member 3 and a fixing portion 41 for fixing to the bumper 2. The engaging portion 40 is a cylindrical body having a slit-shaped opening 42 provided in the side surface of the cylinder in the vertical direction. The inner diameter of the engaging portion 40 is large enough to fit the head 30, and the width of the opening 42 is the diameter of the head 30. It is smaller than.

The fixing portion 41 has a main body having a U-shaped cross section, the same length as the engaging portion 40, and one end edge having an engaging portion 40.
On the opposite side of the opening. The other end is formed as a double wall, and forms an engagement groove 44 into which the flange 21 of the bumper 2 is fitted. A projection 45 is formed on one side wall of the engagement groove 44, the flange 21 is fitted into the engagement groove 44, and the projection 45 is fitted and locked in the hole 22 formed in the flange 21, so that the fixing portion 41 is It is fixed to the bumper 2. The fixing portion 41 is provided with a bulkhead 46 to enhance rigidity.

The end of the bumper 2 is fixed to the fender panel 1 via the clip 4 and the support member 3 by fitting the engaging portion 40 of the clip 4 to the head 30 of the support member 3. In this case, the opening 4 of the engaging portion 40
2 is opposed to the head 30, and the clip 4 is pressed firmly together with the bumper 2 toward the flange portion 13 along the mounting portion 12, and the head 30 engages while expanding the opening 42 of the engaging portion 40. The part 40 is fitted.

A notch 47 is formed on one side of the engaging portion 40 to avoid interference with the cylindrical portion 33 when the head 30 is fitted. A projection 48 for preventing the fitted head 30 from being displaced is formed inside.

Since the fender panel 1 is made of a thin steel plate, the fender panel 1 is easily bent when a pushing force acts on the edge surface from a direction perpendicular to the fender panel. However, in the above mounting structure, the end of the bumper 2 is connected to the front edge 10 of the fender panel 1.
When fixing the bumper 2, the end of the bumper 2 is pushed into the vehicle interior along the surface of the mounting portion 12 of the fender panel 1, so that
The mounting portion 12 does not bend.

On the other hand, the pushing force of the bumper 2 acts on the flange portion 13 from the right angle direction via the clip 4 and the support member 3. However, since the flange section 13 forms a box cross section with the mounting section 12 and the support member 3, it becomes rigid and does not bend. Accordingly, since the head 30 of the support member 3 receives the pushing of the engaging portion 40 of the clip 4 without being displaced, the engaging portion 40
Push force effectively acts on the head 30 and the head 3
0 is fitted into the engagement portion 40.

Further, when the head 30 is fitted into the engagement portion 40, the head 30 is formed into a spherical shape even if there is a slight displacement in the pressing direction of the bumper 2.
Can be easily and reliably fitted.

[0021]

According to the present invention, the rigidity of the end of the vehicle body panel is enhanced by attaching the support member for engaging the bumper to the end of the vehicle body panel having low rigidity. Workability The end of the bumper can be easily and reliably attached.

[Brief description of the drawings]

FIG. 1 is a partially cutaway plan view showing a mounting structure of a vehicle bumper of the present invention.

FIG. 2 is an exploded perspective view of a vehicle bumper mounting structure according to the present invention.

FIG. 3 is a front perspective view of a vehicle to which the present invention is applied.

FIG. 4 is a sectional view showing a mounting structure of a conventional vehicle bumper.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body panel (fender panel) 10 End part of body panel (front edge of fender panel) 12 Mounting part 13 Flange part 2 Bumper 3 Support member 30 Head 31, 32 Leg part 4 Clip 40 Engaging part

Claims (2)

[Claims] 1. A support member is attached to an end portion of a vehicle body panel, and a bumper provided with an engagement portion on a back surface is pushed toward the vehicle body panel, and the engagement portion is press-fitted to a head portion of the support member. A mounting portion parallel to the pushing direction of the bumper and a flange portion bent substantially at right angles from the mounting portion at an end of the vehicle body panel, A head and a support member having two legs extending substantially at right angles to each other from the head are used, and the ends of the legs are respectively connected to the mounting portion and the flange portion to form a vehicle body panel. A mounting structure for a vehicle bumper having a rectangular box cross section formed with a support member. 2. The head of the support member is formed in a spherical shape, and a clip provided with the engaging portion to be fitted to the head is engaged with the back surface of the end of the bumper. The mounting structure for a vehicle bumper according to claim 1, wherein the joint portion is press-fitted.