JP3948829B2 - Front grille mounting structure for automobiles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a front grille mounting structure for an automobile, and more particularly to an automotive front grille mounting structure for attaching a front grille to a front hood.
[0002]
[Prior art]
A front grille which is attached to the front of an automobile to protect a radiator and to take outside air into an engine room is, for example, a bumper and a front hood as disclosed in Japanese Utility Model Publication No. 60-37861 and Japanese Utility Model Publication No. 6-13960. A hood lock mechanism is provided that is attached to the vehicle body member between the front end and a vehicle body member disposed near the upper portion of the front grille, such as a radiator panel upper, for locking the front hood front end.
[0003]
In addition, by attaching the front grille to the front hood as one piece, the gap between the front hood and the front grille is eliminated to enhance the design effect, and the engine compartment is opened by lifting the front grille together with the front hood. Some increase the area and improve workability such as assembly work and maintenance.
[0004]
The mounting structure for attaching the front grille to the tip of the front hood is generally such that the hood inner panel of the front hood extends along the outer periphery of the front grille, and a synthetic resin front grille is overlapped and attached to this extended part. It is done.
[0005]
[Problems to be solved by the invention]
According to the above-described front grill mounting structure, the hood inner panel of the front hood is extended and the front grill is attached to the extended portion, so that the rigidity of the front grill can be obtained and the coupling strength between the front hood and the front grill is increased. Secured.
[0006]
However, since the hood inner panel of the front hood generally formed of metal is extended along the outer periphery of the front grill to form the extended portion, the front hood is enlarged and its manufacturing cost increases. There is concern about an increase in the mass of the front hood.
[0007]
Accordingly, an object of the present invention made in view of such a point is to provide a front grille mounting structure for an automobile which can secure the rigidity of the front grille attached to the front hood and can reduce the manufacturing cost and mass of the front hood. It is in.
[0008]
[Means for Solving the Problems]
The front grille mounting structure for an automobile according to claim 1, which achieves the above object, is a front grille mounting structure for an automobile in which a front grill is integrally attached to a front end of a front hood of the automobile. A front grille arranged continuously at the front end, a reinforce for mounting and supporting the hood lock mechanism by being arranged along the vehicle front-rear direction on the front lower surface of the front hood at a substantially central portion in the vehicle width direction, and along both side edges each flange portion is formed, and a grill bracket having a grille mounting portion for coupling to a mounting portion formed on the front grille to the mounting support and the lower end to polymerize on the bottom surface of the reinforcement to the upper end of each flange portion Te each mounting support of the grille bracket, to branch in the width direction of the vehicle body across the hood lock mechanism Characterized in that coupled to the reinforcement deviate in the longitudinal direction of the vehicle body together with.
[0009]
According to the first aspect of the present invention, the front grille is continuously arranged at the front end of the front hood, and the front hood and the front grille are substantially at the center of the front hood in the vehicle width direction and along the front-rear direction of the vehicle body on the front lower surface. Since the upper mounting support part is connected to the strong reinforcement that is installed and supports the hood lock mechanism, and the grill bracket is provided with the grill mounting part at the lower end , the front hood and the front grill are overlapped. The front hood is reduced in size and weight by reducing the number of front hoods, the front hood is reduced in mass, and the front grill is stiffened by the reinforcement and the grill bracket .
[0010]
Further, the load acting on the hood lock mechanism is transmitted from the reinforcement to the front hood, and the front grill is protected without the load affecting the front grill.
[0012]
Further, a reinforcement attached to the front hood is attached to the hood locking mechanism, grill bracket for connecting the reinforcement and the front grill, it is possible to form according to the strength required and the required shape, suitable reinforcement and the grill The manufacture of the bracket becomes easy.
[0014]
Furthermore, since the mounting support of the grill bracket branches off in the vehicle body width direction across the hood lock mechanism and is biased in the vehicle body front-rear direction and coupled to the reinforcement, the grill mounting member having the reinforcement and the grill bracket is compact. The grill bracket is coupled to the reinforcement with sufficient coupling strength against the load acting from the vehicle body width direction and the vehicle body longitudinal direction.
[0015]
According to a second aspect of the present invention, in the front grille mounting structure for an automobile according to the first aspect , a pin insertion hole formed in at least one of the front hood and the reinforcement and penetrating in the longitudinal direction of the vehicle body; And a pin that protrudes from the front grille and is inserted into the pin insertion hole.
[0016]
According to the second aspect of the present invention, by inserting the pins protruding from the front grille into the pin insertion holes, the front hood and the vehicle body main body are relatively positioned, and the efficiency of the assembly work of the front grille is obtained.
[0017]
According to a third aspect of the present invention, in the front grille mounting structure for an automobile according to the second aspect, the pin insertion hole is perforated at a substantially central position in the vehicle body width direction at the overlapping portion of the front hood and the reinforcement. It is characterized by that.
[0018]
According to the invention of claim 3 , since the pin insertion hole is perforated at the substantially central position in the vehicle width direction at the overlap portion of the front hood and the reinforcement, the front grill is formed in one pin insertion hole perforated in the vehicle width direction central portion. The front grille can be positioned efficiently by inserting the pins projecting from.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of a front grille mounting structure for an automobile according to the present invention will be described below with reference to the drawings.
[0026]
FIG. 1 is a perspective view of an automobile 1 showing an outline of the present embodiment, and FIG. 2 is an exploded perspective view showing a main part of a front grill mounting structure.
[0027]
Reference numeral 10 in the figure denotes a front hood that opens and closes the engine room E, and the front grill 40 is attached to the front end of the front hood 10 by a grill attachment member 20 installed on the lower surface of the front hood 10 and the front grill 40. Yes.
[0028]
The front hood 10 has a hood outer panel 11 and a hood stretched on the lower surface of the hood outer panel 11, as shown in FIG. The inner panel 12 is configured such that the rear end is swingably supported by the vehicle body 2 by a hinge (not shown), and the flange 11a formed at the front end edge of the hood outer panel 11 and the front end of the hood inner panel 12 The flange portions 12a formed at the edges are welded together by overlapping each other.
[0029]
Further, a through hole 10a is formed at a substantially central position in the vehicle width direction at the overlapping portion of the flange portions 11a and 12a of the hood outer panel 11 and the hood inner panel 12.
[0030]
The grill attachment member 20 includes a reinforce 21 and a grill bracket 31. The reinforce 21 is disposed at a substantially central portion in the vehicle width direction of the front hood 10 and on the lower surface of the front portion along the vehicle body front-rear direction. 3, a substantially flat striker mounting portion 22 formed in a substantially central portion, and bent upward from the rear end of the striker mounting portion 22, and further bent rearward of the vehicle body to overlap with the hood inner panel 12. A rear coupling portion 24 that extends from the front end of the striker mounting portion 22 along the hood inner panel 12, and further bent downward to overlap the flange portions 11a and 12a. It is formed by the plate-shaped body.
[0031]
As shown in FIGS. 2 and 3, the striker mounting portion 22 of the reinforcement 21 is provided with striker mounting holes 26 extending along the longitudinal direction of the vehicle body, and each striker mounting hole 26 is biased in the longitudinal direction of the vehicle body. A through hole 27 is bored, and a nut 28 is welded and coupled to the through hole 27. Reference numeral 21 a is a reinforcing bead formed along both sides of the reinforcement 21.
[0032]
The striker 29 attached to the striker attachment portion 22 forms a hood lock mechanism together with a latch 30 to be described later, and has a substantially U-shape in which a tip end portion 29a is formed along the longitudinal direction of the vehicle body as shown in FIGS. And both ends 29b are bent in the vehicle body width direction so as to be separated from each other.
[0033]
Then, the tip end portion 29 a of the striker 29 is inserted into the striker attachment hole 26 from above, and the both end portions 29 b are attached to the upper surface of the striker attachment portion 22 to be attached to the reinforcement 21.
[0034]
Further, a through hole 25a is drilled in the front coupling portion 25 corresponding to the through hole 10a drilled in the front hood 10, and the pin insertion hole 13 penetrating in the longitudinal direction of the vehicle body by the through hole 10a and the through hole 25a. Is configured to form.
[0035]
The reinforce 21 to which the striker 29 and the nut 28 are attached in this way is positioned with respect to the front hood 10 by matching the through hole 10a of the front hood 10 and the through hole 25a of the front coupling portion 25, and at the same time, the hood inner panel 12 The rear coupling portion 24 and the front coupling portion 25 that are superposed on each other are welded to the hood inner panel 12 to be attached to the lower front portion of the front hood 10 with sufficient strength.
[0036]
On the other hand, the grill bracket 31 has a striker 29 attached to the reinforcement 21 on the upper side, as shown in FIG. The flange portions 32 are formed along both side edges of the grill bracket 31 so as to avoid the contact of the flange brackets 32. A pair of mounting support portions 34 that overlap is formed, and through holes 35 corresponding to the through holes 27 are formed in each mounting support portion 34.
[0037]
Further, a planar grill mounting portion 36 is formed at the lower end of the grill bracket 31, and a through hole 37 is formed in the grill mounting portion 36, and a nut 38 is formed on the upper surface of the grill mounting portion 36 corresponding to the through hole 37. Are welded together.
[0038]
The grill bracket 31 configured as described above is inserted into the through hole 35 and coupled to the lower surface of the striker mounting portion 22 of the reinforcement 21 by a bolt 39 that passes through the through hole 27 and is screwed into the nut 28.
[0039]
Accordingly, the mounting support portion 35 of the grill bracket 31 is separated in the vehicle body width direction so as to avoid contact with the striker 28, and is biased in the vehicle body longitudinal direction so as to be coupled to the reinforcement 21. The member 20 can be made compact, and the grill bracket 31 is coupled to the reinforcement 21 with sufficient coupling strength against loads acting from the vehicle body width direction and the vehicle body longitudinal direction, and the grill bracket 31 is joined to the reinforcement 21 by bolts 39. Since it is combined, the attachment position of the grill bracket 31 with respect to the reinforcement 21 can be easily adjusted.
[0040]
Moreover, the reinforcement 21 and the grill bracket 31 can be formed according to each required strength and required shape, and the suitable grill mounting member 20 can be easily obtained.
[0041]
On the other hand, the front grill 40 is made of synthetic resin, and on the back surface of the front grill 40, as shown in FIG. 2, an attachment portion 41 and a fitting portion 41 fitted from below to a grill attachment portion 36 formed at the lower end of the grill bracket 31. A pin 43 that can be inserted into the pin insertion hole 13 from the front of the vehicle body protrudes toward the rear of the vehicle body, and a through hole 42 is formed in the grill mounting portion 36 corresponding to the through hole 37 of the grill mounting portion 36. Yes.
[0042]
The front grill 40 is positioned relative to the front hood 10 by fitting the mounting portion 41 from below into the grill mounting portion 36 of the grill bracket 31 and inserting the pin 43 into the pin insertion hole 13. It is mounted and supported on the grill mounting portion 36 of the grill bracket 31 by a single bolt 45 inserted through the through hole 37 and screwed into the nut 38.
[0043]
On the other hand, a latch 30 of the hood lock mechanism that engages the tip 29a of the striker 29 when the engine room E is closed by the front hood 10 is provided in a component of the vehicle body 2, for example, the radiator panel upper 4.
[0044]
Therefore, according to the vehicle front grille mounting structure configured in this way, the front grille 40 is continuously arranged at the front end of the front hood 10, and the front hood 10 and the front grille 40 are constituted by the strong reinforcement 21 and the grill bracket 31. The front hood 10 is reduced in size and weight by being coupled by the relatively small grill mounting member 20, and the mass is reduced.
[0045]
Further, the mounting portion 41 formed on the front grill 40 is fitted into the grill mounting portion 36 of the grill bracket 31 from below, and the pins 43 protruding from the back surface of the front grill 40 are formed by the front hood 10 and the reinforcement 21. The front hood 10 and the front grill 40 are relatively positioned by being inserted into the pin insertion hole 13, and are inserted through the through hole 42, penetrate the through hole 37, and are screwed into the nut 38. Since the front grill 40 is attached to the front hood 10, the attachment workability is excellent, and the efficiency of the removal work at the time of maintenance or recycling can be obtained.
[0046]
Further, the front grill 40 is stiffened by the grill bracket 31, and the impact load that acts on the striker 29 from the latch 30 in accordance with the closing operation of the front hood 10 is transmitted from the reinforcement 21 to the front hood 10. This prevents the load from affecting the front grille 40 and protects the front grill 40 from impact.
[0047]
In the above embodiments described the striker 29 provided on the reinforcement 21 has a latch 30 provided in the radiator panel upper 4, the latch 30 is provided on reinforcement 21, the provision of the striker 29 to the radiator panel upper 4 also, the pin insertion was or It is also possible to drill a hole in either the front hood 10 or the reinforcement 21 so as to penetrate in the direction after the vehicle body war, and to project a pin toward the rear of the vehicle body corresponding to this pin insertion hole. The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention.
[0048]
【The invention's effect】
According to the front grille mounting structure for an automobile of the present invention described above, the front grille is continuously arranged at the front hood tip, and the front hood and the front grille are substantially central in the vehicle width direction of the front hood and the vehicle body on the front lower surface. Since the upper mounting support part is joined to the strong reinforcement that is installed along the front-rear direction and supports the hood lock mechanism , the front hood and the front hood The front grille is extremely small and the front hood can be reduced in size and weight to reduce mass, and the front grille is stiffened by reinforcement and grill brackets to obtain a high quality front grille mounting for automobiles. Contributing to industry is great.
[Brief description of the drawings]
FIG. 1 is a perspective view of an automobile showing an outline of an embodiment of a front grill mounting structure for an automobile according to the present invention.
FIG. 2 is an exploded perspective view showing the main part of the front grille mounting structure.
3 is a cross-sectional view taken along line AA of FIG. 1 in a state where the engine room is closed by the front hood.
4 is a front view of the essential part, similarly seen from the direction of arrow B in FIG. 3. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Car 2 Car body 10 Front hood 11 Hood outer panel 12 Hood inner panel 13 Pin insertion hole 20 Grill mounting member 21 Reinforce 29 Strike (lock mechanism)
31 Grill bracket 34 Mounting support portion 36 Grill mounting portion 40 Front grill 41 Mounting portion 43 Pin

Claims (3)

In the front grille mounting structure for automobiles , in which the front grille is integrally attached to the front hood of the automobile,
The front hood,
A front grill arranged continuously at the front end of the front hood;
Reinforce for mounting and supporting a hood lock mechanism disposed in the vehicle front-rear direction on the front hood substantially at the center in the vehicle width direction of the front hood,
Each flange portion is formed along the side edges, grille having grille mounting portion for coupling to the mounting support to polymerize on the bottom surface of the reinforcement to the upper end and the mounting portion formed on the front grille to the lower end of each flange portion With brackets,
A mounting structure for a front grill of an automobile , wherein each mounting support portion of the grill bracket is branched in the vehicle body width direction across the hood lock mechanism and is biased in the vehicle body longitudinal direction and coupled to the reinforcement . A pin insertion hole formed in at least one of the front hood and the reinforcement and penetrating in the vehicle front-rear direction;
The front grille mounting structure for an automobile according to claim 1 , further comprising a pin protruding from the front grille toward the rear of the vehicle body and inserted into the pin insertion hole. 3. The automobile use according to claim 2 , wherein the pin insertion hole is formed by penetrating in the vehicle front-rear direction at a substantially central position in the vehicle body width direction at an overlap portion of the front hood tip and reinforcement. Front grille mounting structure.

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