JP2543412Y2 - Car front body structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front body structure of a motor vehicle, and more particularly, to an improvement in the rigidity of a cab mount of a motor vehicle in which a vehicle body is bolted to a frame.

[0002]

2. Description of the Related Art As disclosed in Japanese Patent Publication No. 54-42487, an automobile body structure in which a vehicle body is bolted to a frame is known. This type of automobile has a monocoque structure. In contrast, it is called a full frame structure.

In an automobile having a full frame structure, cab mounts are provided at a plurality of positions on a vehicle body and bolted to the frame via the cab mounts. High stiffness is required for cab mounts.

[0004]

That is, in the cab mount located at the center of the vehicle body, it is possible to disperse the vibration transmitted from the frame in all directions, but in the cab mount located at the front end of the vehicle body. Cannot disperse the vibration transmitted from the frame at least forward.

Accordingly, an object of the present invention is to provide a vehicle body front structure in which the rigidity of a cab mount located at the front end of the vehicle body is improved, assuming that the vehicle has a full frame structure.

[0006]

In order to achieve the above technical object, the present invention provides an automobile having a vehicle body bolted to a frame. A cab mount forming an attachment portion of the vehicle body to the vehicle, a bottom plate portion having an insertion hole for the fastening bolt, an inner standing portion extending upward from a vehicle width direction inner end of the bottom plate portion, An outer standing portion extending upward from a vehicle width direction outer end of the bottom plate portion, wherein the inner standing portion is connected to a shroud upper via a first reinforcement extending in a vertical direction, and The upright portion is connected to a connecting portion between the shroud upper and the wheel apron via a second reinforcement extending in a vertical direction, and the first reinforcement and the second reinforcement are connected to each other. Between, it is constituted that an opening for headlight mounting formed to the shroud side panel is located.

[0007]

According to the above configuration, the vibration transmitted from the frame to the cab mount provided at the front end of the vehicle body is the first type.
It is dispersed to the shroud upper via reinforcement and to the joint between the wheel apron and the shroud upper via second reinforcement.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, reference numeral 1 denotes a shroud panel. The shroud panel 1 includes a shroud door 2 extending in a vehicle width direction at a front end of a vehicle body, and shroud side panels 3 disposed on both left and right sides of the shroud upper 2, respectively. The shroud side panel 3 is configured
The upper part has an opening 3a for attaching a headlight. The lower portion of the shroud side panel 3 has a shape in which the outer portion is cut out, and the notch 3b is a space A for installing an oil cooler (not shown) for an automatic transmission.

At the lower end of the shroud side panel 3, a first cross member 4 extending in the vehicle width direction is joined to the front surface of the shroud side panel 3. Of the space narrowed by the first cross member 4 and the shroud upper 2, As is known, a radiator installation space B is located on the center side of the shroud side panel 3 in the vehicle width direction.

In FIGS. 1 and 2, reference numeral 6 denotes a cab mount. The cab mount 6 has an L-shape as a whole as shown in the figure, and has a bolt insertion hole 8 formed in a bottom plate portion 7 thereof, and as shown in FIG. The frame 9 is fixed to a frame 10 extending in the vehicle longitudinal direction.

The cab mount 6 includes an inner standing portion 11 extending upward from the inner end of the bottom plate portion 7 in the vehicle width direction.
And an outer upright portion 12 extending upward from the outer end of the bottom plate portion 7 in the vehicle width direction, and a first flange 12a extending vertically is formed at a rear end edge of the outer upright portion 12. I have. The cab mount 6 has a second flange 13 extending along the front end edge thereof and having an L-shape as a whole, while the lower portion of the inner upright portion 11 is notched forward. Notch 11a.
A third flange 14 is formed along the edge of “a”.

The cab mount 6 is attached to the first cross member 4 and the shroud side panel 3 from the front side, and the bottom plate 7 is attached to the first cross member 4.
The notch 11a of the inner upright portion 11 is fitted into the first cross member 4, and the outer upright portion 12 is positioned outside the end surface of the first cross member 4, and the first flange 12a
Are arranged in contact with the front surface of the shroud side panel 3.

The first flange 12a is joined to the shroud side panel 3, and the lower part of the third flange 14 is joined to the first cross member 4.

The inner standing portion 11 is connected to the shroud upper 2 via a first reinforcement 20 extending in the vertical direction. That is, the first reinforcement 20 is basically formed of a plate member having a width in the front-rear direction of the vehicle body, and a flange 20b extending vertically is formed at a front end edge of the wall portion 20a. 20b has its lower end joined to the first cross member 4 and its upper end joined to the shroud upper 2. Thus, the shroud upper 2 and the first cross member 4
The inner upright portion 11 is joined to the wall portion 20a of the first reinforcement 20 combined with the first reinforcement 20.

On the other hand, the outer standing portion 12 is joined to a front flange 22a formed on the front edge of the wheel apron 22, and this front flange 22a extends completely along the front edge of the wheel apron 22 in the vertical direction. I have. Of course, an upper flange 22 b extending in the front-rear direction is formed at the upper edge of the wheel apron 22, and the front end of the upper flange 22 b is joined to the end of the shroud upper 2. In addition, in the figure, X mark means welding.

With the above configuration, the vibration transmitted from the frame 10 to the cab mount 6 is transmitted to the shroud upper 2 via the inner standing portion 11 and the first reinforcement 20. Further, the power is transmitted from the outer standing portion 12 to the connecting portion between the wheel apron 22 and the shroud upper 2 via the front flange 22a as the second reinforcement.

[0017]

As is apparent from the above description, according to the present invention, the inner upright portion of the cab mount is connected to the shroud upper through the first reinforcement, and the outer upright portion is connected to the second reinforcement. Connected to the joint between the shroud upper and the wheel apron, the vibration transmitted from the frame can be dispersed to these members, and therefore the cab mount located at the front end of the vehicle body can be dispersed. The rigidity can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view partially showing a side portion at a front end of a vehicle body.

FIG. 2 is a perspective view of a cab mount.

FIG. 3 is a sectional view taken along the line III-III shown in FIG. 2 and showing a connection state between the cab mount and the frame.

[Explanation of symbols]

2 Shroud Door Upper 3 Shroud Side Panel 3a Headlight Mounting Hole 6 Cab Mount 7 Bottom Plate 8 Bolt Insertion Hole 9 Bolt 10 Frame 11 Inner Standing Part 12 Outer Standing Part 20 First Reinforcement 22 Wheel Apron 22a Wheel Front flange formed on the front edge of the lue apron (second reinforcement)

Claims (2)

(57) [Scope of request for utility model registration] An automobile having a vehicle body bolted to a frame, the vehicle body being provided at a front end of the vehicle body,
A cab mount forming an attachment portion of the vehicle body to the vehicle, a bottom plate portion having an insertion hole for the fastening bolt,
An inner upright portion extending upward from an inner end in the vehicle width direction of the bottom plate portion, and an outer upright portion extending upward from an outer end in the vehicle width direction of the bottom plate portion, wherein the inner upright portion comprises: The outer standing portion is connected to the connecting portion between the shroud upper and the wheel apron via the second reinforcing member extending in the vertical direction via a first reinforcement extending in the vertical direction. A headlight mounting opening formed in a shroud side panel is located between the first reinforcement and the second reinforcement. 2. The vehicle front body structure according to claim 1, wherein the second reinforcement is constituted by a flange formed at a front end of the wheel apron.