JP4032348B2 - Mounting structure and mounting method for car body exterior parts - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is applied to a large bus, an overfender device for a large truck, and the like, and a vehicle body exterior part to be mounted on the surface of a vehicle body outer plate is assembled to the vehicle body outer plate via a mounting bracket. The present invention relates to a mounting structure and mounting method for exterior parts.
[0002]
[Prior art]
A vehicle equipped with a wide tire such as a large bus or a large truck is provided with an over fender device in which an over fender is provided on a side plate of the vehicle body so as to cover the outer periphery of the tire with the over fender.
Patent Document 1 (Japanese Patent Laid-Open No. 2002-19642) and Patent Document 2 (Japanese Patent Laid-Open No. 2000-344142) have been proposed as a structure for mounting such an overfender device to a vehicle.
[0003]
In Patent Document 1, the upper portion of the mounting bracket is fixed to the surface of the vehicle body outer plate by screwing a plurality of bolts into the boss portion of the vehicle body, and the over fender is fixed to the lower portion of the mounting bracket with the plurality of bolts. At the same time, the outer peripheral edge of the over fender is pressed against the vehicle body outer plate via a rubber seal by the tightening force of the bolt.
Further, in Patent Document 2, a leg portion of a resin clip is fitted into a hole of a vehicle body outer plate, a head portion of the clip is inserted into a fitting hole formed on an inner surface of the over fender, and an upper portion of the over fender is further inserted. Is pressed into a protector fixed to the vehicle body outer plate to fix the over fender to the vehicle body outer plate.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-19642 [Patent Document 2]
JP 2000-344142 A
[Problems to be solved by the invention]
In such an overfender device mounting structure, in the mounting structure disclosed in Patent Document 1, after fixing the outer peripheral side of the mounting bracket to the surface of the vehicle body outer plate with bolts, Since the over fender is fixed to the outer periphery with multiple bolts, multiple bolts are tightened on the outer periphery when the mounting bracket is fixed to the vehicle body outer plate, and when the over fender is fixed to the mounting bracket. Two bolt tightening operations of performing a plurality of bolt tightening operations on the inner peripheral side are required, and a large number of man-hours are required for mounting the over fender device.
Further, in such a mounting structure, the outer peripheral edge of the over fender is crimped to the vehicle body outer plate via a rubber seal by the bolt tightening force between the inner peripheral side of the over fender and the inner peripheral side of the mounting bracket. Therefore, the rubber seal crimping part on the outer peripheral side and the bolt tightening part on the inner peripheral side are separated from each other, so that a sufficiently large crimping force cannot be applied to the rubber seal crimping part, and there is a seal failure in the rubber seal crimping part. It is easy to generate.
[0006]
Further, in the mounting structure disclosed in Patent Document 2, the head of the resin clip fitted into the hole of the vehicle body outer plate is press-fitted into the hole formed in the intermediate portion of the overfender, and the vehicle body outer plate Since the outer fender of the overfender is press-fitted into the protector fixed to the upper fender, there is a risk that the press-fitted portion between the overfender and the vehicle body outer plate will be displaced due to vehicle body vibration or the like, causing the overfender to fall off.
And so on.
[0007]
In view of the problems of the prior art, the present invention reduces the mounting man-hours for mounting a vehicle body exterior part such as an over fender to a vehicle body outer plate, and also causes a drop in the vehicle body exterior part due to vehicle body vibration or the like and a seal failure of the seal part. It is an object of the present invention to provide a mounting structure and mounting method for a vehicle body exterior part that can be securely and securely fixed to a vehicle body outer plate while avoiding occurrence.
[0008]
[Means for Solving the Problems]
In order to solve such a problem, the present invention provides a vehicle body configured to assemble a vehicle body exterior part mounted on the surface of a vehicle body outer plate to the vehicle body outer plate via a mounting bracket. in the mounting structure of the exterior part, the mounting bracket, and fixing the inner surface fixed to a surface of the vehicle body external panel, it is formed corresponding to the inner shape of the front Symbol vehicle exterior parts, while being bonded to the inner surface , and two of the bonding outer surface orientation of the surface cross each other, the vehicle body exterior parts of the inner surface bonded with adhesive to the two adhesive outer surface of the mounting bracket, a fixing inner surface of the mounting bracket A mounting structure for a vehicle body exterior part is proposed, which is fixed to the vehicle body outer plate by a mounting member such as a bolt.
[0009]
In Claim 1, it is preferably configured as described in Claim 2 .
That is, according to a second aspect of the present invention, one of the two bonding outer surfaces formed on the mounting bracket is formed on a shear surface that supports the weight of the vehicle body exterior component by the shearing force of the bonding outer surface, Any one of the inner surfaces of the part is formed in a plane parallel to the shearing surface and bonded to the shearing surface.
[0010]
According to the invention, the two bonding outer surface crossing each other of the mounting bracket with two inner surfaces of the vehicle body exterior parts to adhere by an adhesive, to secure the vehicle body exterior parts to bracket with said mounting, with said mounting By fixing the fixing inner surface of the bracket to the surface of the vehicle body outer plate with an attachment member such as a bolt, the vehicle body exterior part can be securely fixed to the vehicle body outer plate via the attachment bracket.
[0011]
Therefore, according to this invention, the vehicle body exterior part can be easily fixed to the mounting bracket by simply bonding the inner surface of the vehicle body exterior part to the two adhesive outer surfaces formed on the mounting bracket with the adhesive. As in Document 1, it is not necessary to perform the bolting operation for fixing the mounting bracket to the vehicle body outer plate and fixing the overfender (vehicle body exterior part) to the mounting bracket twice.
In addition, since the inner surface of the vehicle body exterior part is adhered to the two outer surfaces of the mounting bracket that intersect each other with an adhesive, positioning of the mounting bracket and the vehicle body exterior part becomes easy, and a positioning jig is not required. Become.
As described above, it is possible to reduce the man-hours for attaching the vehicle body exterior parts to the vehicle body outer plate.
[0012]
Further, as described above, the two inner surfaces formed on the vehicle body exterior part are bonded to the two bonding outer surfaces of the mounting bracket that intersect with each other by the adhesive, so that the vertical and horizontal directions are formed by the two bonding portions that intersect each other. As described above, the attachment bracket and the vehicle body exterior part can be firmly fixed without causing displacement or peeling of the adhesive portion even with different two-direction forces.
[0013]
The invention according to claim 3 relates to a method of attaching the vehicle body exterior component to the vehicle body outer plate, wherein the vehicle body exterior component mounted on the surface of the vehicle body outer plate is assembled to the vehicle body outer plate via an attachment bracket. In the mounting method of the vehicle body exterior part configured as described above, an adhesive having a higher bonding speed than the adhesive of the other adhesive outer surface is used for the adhesive of the outer surface of one adhesive, and the adhesive of the outer surface of the other adhesive is used The vehicle body exterior part is fixed to the mounting bracket using an adhesive having a higher adhesive strength than the adhesive material of the one outer surface for bonding, and the mounting bracket is fixed to the vehicle body outer plate by a mounting member such as a bolt. It is characterized by doing.
[0014]
According to such an invention, the inner surface of the vehicle body exterior part is temporarily fixed to one of the outer surfaces of the mounting bracket, for example, the horizontal outer surface of the mounting bracket, with an adhesive having a high bonding speed such as an instantaneous adhesive, and the epoxy resin adhesive As described above, the other bonding outer surface of the mounting bracket, for example, the vertical bonding outer surface is fixed to the vehicle body exterior part with an adhesive having a slow bonding speed but a large bonding strength.
[0015]
As a result, the inner surface of the vehicle body exterior part is bonded to one of the outer surfaces of the mounting bracket by using an adhesive having a high bonding speed, so that the vehicle body exterior component is quickly and accurately positioned and temporarily fixed. And a step of firmly fixing the vehicle body exterior component to the mounting bracket by bonding the other inner surface of the vehicle body exterior component to the other adhesion outer surface of the mounting bracket using an adhesive having a high adhesive strength. In addition, the positioning and temporary fixing can be performed quickly without any time difference, and the adhesive surface can be firmly bonded at the final stage, which is used to bond and fix the car body exterior parts to the mounting bracket. The work process can be shortened.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the component parts described in this example are not intended to limit the scope of the present invention only to specific examples unless otherwise specified. Only.
[0017]
FIG. 1 is a cross-sectional view of a main part of a large bus overfender device according to an embodiment of the present invention (a cross-sectional view taken along the line CC in FIG. 4 and a cross-sectional view taken along the line DD in FIG. 5). 2 is a view taken along the line AA in FIG. 1 showing the structure of the bracket, and FIG. 3 is a view taken along the arrow B in FIG. FIG. 4 is a front view of the overfender device. FIG. 5 is a schematic side view of a bus to which the present invention is applied.
[0018]
In FIG. 5 schematically showing a bus to which the present invention is applied, 101 is a vehicle (bus), 102 is a vehicle body frame of the vehicle 101, 103 is a vehicle body side plate, 104 is a front wheel, and 105 is a rear wheel. Reference numeral 100 denotes an overfender device that is an object of the present invention, and is attached to at least the rear wheel 105 of the vehicle 101.
[0019]
The present invention relates to an improvement in the mounting structure and mounting method of the overfender device 100.
1 to 4 showing an embodiment of the present invention, reference numeral 1 denotes an over fender made of a resin material, which is formed in a semicircular shape so as to cover the tire of the rear wheel 105 as shown in FIG. Reference numeral 2 denotes a mounting bracket made of a metal material. As shown in FIG. 4, a plurality of brackets 2 (seven in this example) are provided on the vehicle body side plate 103 at a predetermined interval in the circumferential direction of the over fender 1. )is set up. The outer periphery of the over fender 1 is pressed against the vehicle body side plate 103 via a rubber seal 9.
[0020]
In FIG. 1, 3 is a bolt fixed to the central portion of the bracket 2 by welding or the like, 4 is a nut screwed to the bolt 3, 5 is a contact plate, 6 is a washer, and the bracket 2 is the vehicle body. The bolt 3 fitted in the mounting hole of the side plate 103 is fastened and fixed to the vehicle body side plate 103 by the nut 4 via the contact plate 5 and the washer 6.
As shown in FIG. 3, the bracket 2 has a substantially U-shaped cross-sectional shape with flat plate portions 2 b extending on both sides, and is substantially perpendicular to the outer surface and the lower surface of the bracket 2. Crossed adhesive surfaces 7 and 8 are formed. 1d shown in FIG. 1 is a hole for use in painting.
[0021]
Further, the bracket 2 is formed with a fixing inner surface 2c which is fixed to the surface of the vehicle body outer plate 103 by being in contact with the surface of the washer 6 by tightening the bolt 3, and the vertical inner surface of the over fender 1 is also formed. A vertical adhesive surface 7 bonded by an adhesive material and a horizontal adhesive surface 8 bonded by an adhesive material to the horizontal inner surface of the over fender 1 are formed so as to intersect at a substantially right angle.
The vertical adhesive surface 7 is formed as a shear surface capable of supporting a shearing force accompanying vertical vibration of the over fender 1.
[0022]
In attaching the over fender device 100 having such a configuration to the vehicle body outer plate 103, a plurality of (in this example, seven) brackets 2 are arranged at intervals as shown in FIG.
Next, the horizontal adhesive surface 8 of the bracket 2 and the horizontal inner surface of the over fender 1 opposed to the bracket 2 are bonded using an adhesive having a high bonding speed such as an instantaneous adhesive, and an epoxy resin adhesive is used. The vertical adhesive surface 7 of the bracket 2 and the vertical inner surface of the overfender 1 facing the bracket 2 are bonded using an adhesive having a low bonding speed but high bonding strength.
[0023]
According to this procedure, after fixing the bracket 2 to the jig, the inner surface of the over fender 1 is bonded to one bonding surface of the bracket 2, that is, the horizontal bonding surface 8 using an adhesive having a high bonding speed. The step of positioning and temporarily fixing the over fender 1 to the bracket 2 quickly and accurately, and the adhesive material having a high adhesive strength between the inner surface of the over fender 1 and the other adhesive surface of the bracket 2, that is, the vertical adhesive surface 7 It is possible to proceed simultaneously with the step of firmly fixing the over fender 1 to the bracket 2 by adhering with the use of without using a time difference.
[0024]
In this way, the horizontal adhesive surface 8 side using an adhesive having a high adhesion speed is first fixed, and the bracket 2 and the over fender 1 are temporarily fixed on the adhesive surface 8 quickly and accurately. Although the speed is low, the vertical adhesive surface 7 using an adhesive having a high adhesive strength, that is, the shear surface side is solidified, and the bracket 2 and the over fender 1 are firmly bonded, and the over fender 1 is attached to the bracket 2. The work process for bonding and fixing is shortened. Thereafter, the over fender 1 is fixed to the vehicle body outer plate 103 by fixing the bracket 2 to the vehicle body outer plate 103 using the bolts 3.
[0025]
Therefore, according to this embodiment, after the bracket 2 is fixed to the jig, the overfender 1 is bonded to the two adhesive surfaces 7 and 8 formed on the bracket 2 so as to cross each other with the adhesive. The fender 1 can be easily fixed to the bracket 2.
In addition, since the inner surface of the over fender 1 is adhered to the two adhesive surfaces 7 and 8 of the bracket 2 that intersect each other with an adhesive, the positioning of the bracket 2 and the over fender 1 is facilitated, and a positioning jig is not required. It becomes.
As described above, it is possible to reduce the man-hours for attaching the vehicle body exterior parts to the vehicle body outer plate.
[0026]
In addition, since the bracket 2 is fixed to a jig, the two inner surfaces formed on the over fender 1 are bonded to the two adhesive surfaces 7 and 8 of the bracket 2 that intersect with each other by an adhesive, so that they intersect each other. The bracket 2 and the over fender 1 can be firmly fixed without causing the adhesive portion to be displaced or peeled against two different forces such as the vertical direction and the horizontal direction due to the two adhesive portions.
The present invention is not limited to the over fender device in the above embodiment, but can be widely applied to a mounting structure for a vehicle body exterior part that is mounted to a vehicle body outer plate via a bracket.
[0027]
【The invention's effect】
As described above, according to the present invention, the vehicle body exterior part can be easily attached to the mounting bracket only by bonding the inner surface of the vehicle body exterior part to the two outer surfaces for bonding formed on the mounting bracket with the adhesive. It can be fixed, and the bolting operation of fixing the mounting bracket to the vehicle body outer plate and fixing the overfender (vehicle body exterior part) to the mounting bracket as in the prior art is unnecessary.
Further, as described above, since the inner surface of the vehicle body exterior part is adhered to the two outer surfaces for bonding of the mounting brackets that intersect each other with the adhesive, positioning of the mounting bracket and the vehicle body exterior part is facilitated, A jig is unnecessary.
As described above, it is possible to reduce the man-hours for attaching the vehicle body exterior parts to the vehicle body outer plate.
[0028]
Further, since two inner surfaces formed on the vehicle body exterior part are bonded to the two bonding outer surfaces of the mounting bracket that intersect with each other by an adhesive, the vertical and horizontal directions differ depending on the two bonding portions that intersect each other. The attachment bracket and the vehicle body exterior part can be firmly fixed without causing displacement or peeling of the adhesive portion even with a force in two directions.
[0029]
According to the third aspect of the present invention, the vehicle body exterior part can be mounted quickly and accurately by bonding the inner surface of the vehicle body exterior part to the outer surface for bonding on one side of the mounting bracket using an adhesive having a high bonding speed. The vehicle body exterior part is firmly fixed by bonding the other inner surface of the body exterior part to the outer surface of the attachment bracket on the other side of the mounting bracket using an adhesive having a high adhesive strength. The process of fixing to the mounting bracket can proceed at the same time without any time difference, and positioning and temporary fixing can be performed quickly, and at the final stage, the adhesive surface can be firmly bonded. The work process for bonding and fixing the exterior parts can be shortened.
[Brief description of the drawings]
1 is a cross-sectional view of a main part of a large bus overfender device according to an embodiment of the present invention (a cross-sectional view taken along line CC in FIG. 4 and a cross-sectional view taken along line DD in FIG. 5);
FIG. 2 is an AA arrow view of FIG. 1 showing the structure of the bracket.
FIG. 3 is a view taken in the direction of arrow B in FIG. 2;
FIG. 4 is a front view of the overfender device.
FIG. 5 is a schematic side view of a bus to which the present invention is applied.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 100 Over fender apparatus 101 Vehicle 103 Car body side plate 1 Over fender 2 Bracket 3 Bolt 4 Nut 7, 8 Bonding surface 9 Rubber seal

Claims (3)

In a mounting structure for a vehicle body exterior part configured to assemble a vehicle body exterior part to be mounted on the surface of the vehicle body exterior plate to the vehicle body exterior plate via a mounting bracket, the mounting bracket is a part of the vehicle body exterior plate. and fixing the inner surface which is fixed to the surface, is formed corresponding to the inner shape of the front Symbol vehicle exterior parts, while being bonded to the inner surface, and two of the bonding outer surface orientation of the surface cross each other, wherein The inner surface of the vehicle body exterior part is bonded to two bonding outer surfaces of the mounting bracket with an adhesive, and the fixing inner surface of the mounting bracket is fixed to the vehicle body outer plate with a mounting member such as a bolt. Mounting structure for car body exterior parts. One of the two outer surfaces for bonding formed on the mounting bracket is formed as a shear surface that supports the weight of the vehicle body exterior component by the shear force of the adhesion outer surface, and any one of the inner surfaces of the vehicle body exterior component 2. The mounting structure for a vehicle body exterior part according to claim 1, wherein a surface is formed in a plane parallel to the shear surface and adhered to the shear surface . In a mounting method of a vehicle body exterior part configured to assemble a vehicle body exterior part to be mounted on the surface of a vehicle body exterior plate to the vehicle body exterior plate via a mounting bracket, the adhesive material on one adhesive outer surface The vehicle body using an adhesive having a bonding speed larger than that of the adhesive on the outer surface for bonding, and an adhesive having an adhesive strength higher than that of the adhesive on the outer surface of one of the adhesives on the other outer surface for bonding. A mounting method for a vehicle body exterior component, wherein an exterior component is fixed to the mounting bracket, and the mounting bracket is fixed to the vehicle body outer plate with a mounting member such as a bolt.

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