JPH08183476A - Automobile body front part structure - Google Patents

Abstract

PURPOSE: To attain the reinforcement of a body front part with simple constitution, facilitate the formation of a body thus reinforced, and support a radiator and headlights firmly with simple constitution. CONSTITUTION: An automobile body 2 is provided with a body frame 3 and a body 4 supported on the body frame 3, and the front face part of the body 4 is formed of a front face plate 6. The front face of a cabin 12 in the body 4 is formed of a dashboard panel 14. The dashboard panel 14 is disposed adjacently to the front face plate 6, and a windshield 28 is provided at the upper part of the front face plate 6. Brackets 44 for suspending front wheels 16 are fitted to the respective right and left side parts of the front part of the body frame 3. A front member 60 of box-shape cross section is provided in the state of being extended laterally so as to be connected to the front face plate 6 and the dashboard panel 14, and the respective lateral end parts of this front member 60 are connected to the respective brackets 44.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body front structure including a front plate forming a body, a dash panel forming a front surface of a passenger compartment, and a bracket for suspending front wheels.

[0002]

2. Description of the Related Art Conventionally, the above-mentioned vehicle body front structure is
There is one configured as follows.

That is, the vehicle body is provided with a vehicle body frame and a body supported on the vehicle body frame, the front surface portion of the body is formed by a front plate, and the front surface of the vehicle compartment in the body is formed by a dash panel. A dash panel is provided close to the front plate. On the other hand, front wheel suspension brackets are attached to the left and right sides of the front portion of the vehicle body frame.

[0004]

By the way, in particular, it is desired that the front portion of the vehicle body is sufficiently reinforced for the purpose of dealing with a collision or the like, but the front plate, dash panel, and Reinforcing the brackets individually
There are problems that the number of parts increases, the structure of the vehicle body becomes complicated, and the molding of the vehicle body becomes complicated.

On the other hand, for automobiles, for example, the actual Kaihei 4-1
As shown in Japanese Patent No. 33991, a radiator for cooling an engine may be provided, and an automobile may have a radiator.
Generally, a headlight is provided, but it is desired that the radiator and the headlight be supported to the vehicle body firmly and with a simple structure.

[0006]

SUMMARY OF THE INVENTION The present invention has been made by paying attention to the above circumstances, and the reinforcement of the front portion of the vehicle body can be achieved with a simple structure, and the vehicle body thus reinforced can be easily molded. The purpose is to be able to.

It is another object of the present invention to firmly support the radiator and the headlight with a simple structure.

[0008]

In order to achieve the above object, the vehicle body front structure of the present invention has a vehicle body 2 including a vehicle body frame 3 and a body 4 supported on the vehicle body frame 3. The front surface of the body 4 is formed by the front plate 6, the front surface of the passenger compartment 12 inside the body 4 is formed by the dash panel 14, and the dash panel 1 is formed under the front plate 6.
4 are adjacent to each other, the front window 28 is provided on the upper part of the front plate 6, and when the brackets 44 for suspending the front wheels 16 are attached to the left and right sides of the front part of the vehicle body frame 3, the front windows 28 extend to the left and right. A front member 60 having a box-shaped cross section which is connected to the lower portion of the front plate 6 and the dash panel 14 is provided, and the left and right ends 63 of the front member 60 are connected to the brackets 44. is there.

In the above case, the radiator 68 is provided in the front portion of the vehicle body 2, and the radiator 68 is attached to the front member 60.
May be supported by.

The left and right ends 6 of the front member 60 are also provided.
3 may support the headlight 72.

[0011]

[Operation] The operation of the above configuration is as follows.

A front member 60 having a box-shaped cross section is provided which extends to the left and right and is connected to the lower portion of the front plate 6 of the body 4 and the dash panel 14 on the front surface of the vehicle compartment 12. The end portion 63 is connected to each of the brackets 44.

Therefore, the front plate 6 and the dash panel 1
4 and each bracket 44 are reinforced by the front member 60, that is, the front member 60 is commonly used to reinforce the front plate 6 and the like. Therefore, the front plate 6 and the like can be reinforced individually. Compared with, the front portion of the vehicle body 2 is reinforced with fewer parts.

In the above structure, a radiator 68 may be provided in the front portion of the vehicle body 2 and the radiator 68 may be supported by the front member 60.

In this way, the front member 60 having a large strength is used to support the radiator 68, and therefore the support of the radiator 68 is sufficiently strong and has a simple structure. Become.

The left and right ends 6 of the front member 60 are also provided.
3 may support the headlight 72.

In this way, the front member 60 having a high strength is used to support the headlight 72, and therefore, the headlight 72 is supported sufficiently firmly and with a simple structure. It will be.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

In the figure, reference numeral 1 is an automobile, and an arrow Fr indicates the front thereof, and left and right described below means the vehicle width direction toward the front.

The vehicle body 2 of the automobile 1 is a vehicle body frame 3
And a body 4 supported on the front of the body frame 3.
And a luggage carrier 5 supported on the rear part of the vehicle body frame 3, and the body 4 and the luggage carrier 5 are located above the vehicle body frame 3. The body 4 is made of sheet metal, and has a front plate 6 forming a front surface thereof, outer plates 7 forming left and right side parts, a top plate 8 forming an upper part, and a rear plate (not shown) forming a rear part. The front plate 6 has a substantially flat front-down shape. A front bumper 10 is provided near the front of the body frame 3 and below the front plate 6, and the front bumper 10 is supported by the body frame 3 to protect the front portion of the vehicle body 2. There is.

A vehicle interior 12 is provided inside the body 4. The bottom of the vehicle compartment 12 is formed by a floor panel 13, and the floor panel 13 is supported on the upper surface side of the vehicle body frame 3. In addition, the floor panel 13
Has a front edge extending upward and frontward, which is a dash panel 14. The dash panel 14 forms a lower front portion of the vehicle compartment 12. A dash panel 14 is adjacent to and adjoins the lower part of the front plate 6 in the front-rear direction, and the upper edge of the dash panel 14 is joined to the middle part of the front plate 6 in the vertical direction by spot welding. ing.

Front wheels 16 are suspended by suspension devices 17 on the left and right sides of the front portion of the vehicle body frame 3, respectively. In addition, the rear wheels 18 are suspended on the left and right sides of the rear part of the vehicle body frame 3, respectively.
The vehicle body 2 is supported on the road surface 19 by the. The front wheels 16 are steered wheels, while the rear wheels 18 are driven by an engine (not shown) supported by the vehicle body frame 3, whereby the automobile 1 can run on a road surface 19.

The vehicle body frame 3 has a pair of left and right side frames 21, 21.
Are located on the left and right sides of the vehicle body 2 and extend in the front-rear direction. Further, the front cross member 22 for connecting the front ends of the left and right side frames 21, 21 to each other, and the rear member for connecting the rear ends of the left and right side frames 21, 21 and the cross member (not shown) for connecting the middle portions in the front-rear direction are the same. The front cross member 22 and the other cross members are provided with a circular pipe.

The front plate 6 is composed of an upper panel 24 constituting the upper part thereof and a lower panel 25 constituting the lower part thereof, which are arranged side by side in the vertical direction. The upper panel 24 is fixed to the front edges of the outer plates 7 and the upper plate 8 by integral molding or spot welding, and the lower panel 25 connects the lower edge of the upper panel 24 and the front bumper 10. The opening 23 between them is openably closed.
Further, the upper edge portion 26 of the dash panel 14 is joined to the lower edge portion 27 of the upper panel 24, which is a midway portion in the vertical direction of the front plate 6, by spot welding.

A front window 28 is provided above the front plate 6 of the body 4. The front window 28 includes a window opening 29 formed in the upper panel 24 of the front plate 6 and a glass plate 30 that closes the window opening 29. A reinforcing plate 31 extending laterally is fixed to the rear surface of the upper panel 24 at the lower opening edge of the window opening 29, and the upper panel 24 and the reinforcing plate 31 form a reinforcing portion 32 having a box-shaped cross section. .
Due to this reinforcing portion 32, the upper panel 24 of the front plate 6 is provided.
Is reinforced, and the reduction in strength due to the provision of the window opening 29 is sufficiently compensated.

A side door 35 is provided on each outer plate 7 of the body 4. Each of these side doors 3
Reference numeral 5 is composed of a door opening 36 formed in the outer side plate 7 and a door 37 for opening and closing the door opening 36. A front opening edge of the door opening 36 is a front pillar 38 formed by a part of the outer plate 7, and a pair of upper and lower hinges 39, 39 is provided on the front pillar 38 to pivot the door 37 left and right. The door opening 36 is supported so that it can be opened and closed by this rotation.

The outer panels 7 are spaced apart from each other in the left-right direction, face each other, and are joined to each other.
And an outer panel 41. The lower part of the front pillar 38 is provided with the inner panel 40 and the outer panel 4.
It is formed by connecting two members of No. 1 to each other so as to have a box-shaped cross section, and the lower end side thereof is firmly connected to the corresponding side frame 21. The upper portion of the front pillar 38 has the inner panel 40, the outer panel 41, and the upper panel 24.
It is formed by spot-welding the three members on the outer side of each other so as to form a box-shaped cross section, and the upper end side thereof is firmly connected to the side portion of the top plate 8. The front pillars 38 are pillars on the left and right sides of the front part of the vehicle body 2 and have sufficiently large strength and rigidity.

The suspension device 17 has a bracket 44 attached to the outer surface of each side frame 21, which is each of the left and right side portions of the front portion of the vehicle body frame 3. The bracket 44 faces the front and rear apart and is fixed to the outer surface of the side frame 21. The front plate 45, 46 and the upper plate 4 for connecting the upper edges of the front and rear plates 45, 46 to each other.
7 and a side plate 48 for connecting the inner edges of the front and rear plates 45, 46 and the upper plate 47 in the vehicle width direction to each other. The upper portion of the bracket 44 including the upper plate 47 is provided on the side frame 21. It projects above and outside.

Below each of the brackets 44, a lower arm 50 is pivotally supported on each of the side frames 21 by a pivot shaft 51 so as to be vertically rotatable, and a pivot end 52 of the lower arm 50 is located outside the side frame 21. Overhangs. A shock absorber 53 whose axial center is substantially vertical is provided below the bracket 44, and the shock absorber 53 is an upper plate 47 which is an upper portion of the bracket 44.
And the rotating end 52 of the lower arm 50,
It is supported by these 47 and 52. The shock absorber 53 includes a hydraulic cylinder type absorber body 54,
It is composed of a spring 55 for urging the absorber main body 54 in a direction to extend it.

A steering knuckle 57 is integrally formed on the lower portion of the absorber main body 54, and an axle 58 is formed substantially horizontally from the outer surface of the steering knuckle 57 to the outer side.
The front wheel 16 is rotatably supported on the axle 58 about the axis thereof. That is, the front wheel 16 is supported on the lower end side of the shock absorber 53 via the steering knuckle 57, and the upper end side of the shock absorber 53 is supported by the upper plate 47 of the bracket 44.

When the front wheels 16 support the vehicle body 2 via the suspension device 17, the weight of the vehicle body 2 is slightly compressed together with the absorber body 54 by being supported by the spring 55 of the shock absorber 53. Then, when the impact force when the automobile 1 travels is given to the shock absorber 53, the absorber main body 54 of the shock absorber 53.
The spring 55 expands and contracts, and the oil inside the absorber main body 54 flows from one chamber partitioned by the piston to the other chamber, whereby the impact force is absorbed. Also, at this time, the shock absorber 53 to the bracket 44
The load applied to the upper plate 47 of the bracket 44 is applied upward.

A front member 60 is connected to the front plate 6 and the dash panel 14 to reinforce them.
Is provided. The front member 60 extends left and right so as to cover substantially the entire width direction of the vehicle body 2. The front member 60 has a box-shaped cross section between the left and right brackets 44, 44, which is at least a part in the left-right direction, and due to this shape, the front member 60 is substantially large over the entire length in the left-right direction. It has strength and rigidity. The front member 60 sufficiently reinforces the front plate 6 and the dash panel 14 over almost the entire width of the vehicle.

The front member 60 is composed of the upper edge portion 26 of the dash panel 14 and a reinforcing plate 62 joined to the front surface of the upper edge portion 26 by spot welding. In this case, as described above, the dash panel 14
The upper edge portion 26 of the upper panel 24 and the lower edge portion 27 of the upper panel 24 are joined to each other, and the upper edge portion of the reinforcing plate 62 is joined to the joint portion by spot welding. As a result, the front member 60 is joined to the front plate 6 at an intermediate portion in the vertical direction. Further, since the upper edge portion 26 which is a part of the dash panel 14 constitutes a part of the front member 60, this allows the front member 60 to be coupled to the dash panel 14. ing.

As described above, each front pillar 38 has a box-shaped cross section and has sufficient strength and rigidity.
The lower part of each of the front pillars 38 is joined to the rear part of the upper plate 47 of the bracket 44 by spot welding.
Is fully reinforced.

On the other hand, although the left and right end portions 63 of the front member 60 are not box-shaped in cross section, the upper edge portions 26 of the dash panel 14 constituting the front member 60 respectively project outward in the left and right directions and have an L-shaped section. In addition, the left and right end portions of the reinforcing plate 62 forming the end portions 63 are also L-shaped in cross section, and each end portion 63 of the front member 60 also has sufficient strength and rigidity. ing. Each end 63 of the front member 60 is connected to the upper plate 47 of the bracket 44.
Is joined to the front portion of the upper end surface of the bracket by spot welding, whereby the bracket 44 is further sufficiently reinforced.

In the above case, the front pillar 38 and the end 63 of the front member 60 are both attached to the bracket 44.
Since it is coupled to the upper end surface of the upper plate 47, the front pillar 38 is particularly subjected to a load applied upward from the shock absorber 53 to the bracket 44.
And the end 63 of the front member 60 effectively oppose each other. That is, the reinforcement of the bracket 44 by the above-mentioned front pillar 38 and the end portion 63 of the front member 60 is
The load from the shock absorber 53 works extremely effectively.

The lower portion of the front pillar 38,
The end portion 63 of the front member 60 is the bracket 4 described above.
The support portion 64 at the upper end of the absorber body 54 with respect to the upper plate 47 of the No. 4 is sandwiched from the front and the rear. That is, the load of the support portion 64 is supported at a middle portion in the front-rear direction of the upper plate 47 of the bracket 44 which is supported by the front pillar 38 and the end portion 63 of the front member 60 at two front and rear points, Therefore, the shock absorber 53
Is firmly supported to the vehicle body frame 3 via a bracket 44.

In the above case, the front plate 6 and the dash panel 1
4 and each bracket 44 are reinforced by the front member 60, that is, the front member 60 is commonly used to reinforce the front plate 6 and the like. Therefore, the front plate 6 and the like can be reinforced individually. Compared with, the front portion of the vehicle body 2 is reinforced with fewer parts.

Moreover, the front member 60 has a box-shaped cross section and has a sufficiently large strength and rigidity, and the front plate 6 and the like are connected to each other by the front member 60, so that the front member 60 has a simple structure. While
The front part of the vehicle body 2 will be sufficiently reinforced.

Inside the front part of the vehicle body 2, a water cooling radiator 68 for the engine is provided in a space 67 sandwiched from the front and rear by the lower panel 25 of the front plate 6 and the dash panel 14.
Is provided, and the radiator 68 is provided vertically. The radiator 68 is provided on the front cross member 22.
A lower support piece 69 attached to a central portion which is a middle portion in the left-right direction, and a pair of left and right upper support pieces 70, 70 attached to a middle portion in the left-right direction of the reinforcing plate 62 of the front member 60. , And is detachably supported at three points via a mounting tool 71 composed of a cushioning body and a fastener.

In the above case, the front member 60 having a large strength is used to support the radiator 68. Therefore, the support of the radiator 68 is made sufficiently strong, and a separate support member is provided for this support. Since it does not need to be provided, the support of the radiator 68 can be obtained with a simple structure.

Headlights 72 that can illuminate the front of the vehicle body 2 are supported at the left and right ends 63 of the front member 60.

In the above case, the front member 60 having high strength is used to support the headlight 72,
Therefore, the support of the headlight 72 is made sufficiently strong, and since it is not necessary to provide a separate support member for this support, the support of the headlight 72 can be obtained with a simple structure.

A spare tire 76 is detachably supported on the front portion of the vehicle body 2 by a supporting device 75. The spare tire 76 is replaceable with the front wheel 16 and the rear wheel 18.

The support device 75 has a support body 77 which is provided at the front ends of the left and right side frames 21, 21 in the space 67. The support body 77 is formed of a pipe material having a circular cross section, and the support body 77 improves the bonding strength of the left and right side frames 21. The support body 77 is located below the front of the front member 60, and a plate-shaped first bracket 78 is provided in the middle of the support body 77 and the front member 60 in the left-right direction. The upper and lower ends of the first bracket 78 are joined to the front member 60 and the support body 77 by welding.

The first bracket 78 is the lower panel 25.
It is located closer to the space 67 than the space 67, and a part of the first bracket 78 is exposed to the front of the vehicle body 2 through an opening 79 formed in the lower panel 25. A second bracket 80 is detachably fastened to a part of the first bracket 78 by a fastener 81, and the second bracket 80 is located outside the front plate 6 and near the front thereof. The spare tire 7 is attached to the second bracket 80 from the front thereof.
6 is detachably fastened by a fastener 82.

In the above case, the first bracket 78 is firmly supported by the front member 60 and the support body 77 by two-point support, and the front member 60 has sufficient strength and rigidity. The spare tire 76 is firmly supported on the body frame 3 side.

The front bumper 10, the front cross member 22, and the support 77 are all located in front of the radiator 68. Therefore, the front bumper 10, the front cross member 22, and the support body 77 prevent the radiator 68 from being damaged by this impact when the vehicle 1 collides with any object while the vehicle 1 is traveling forward. That is, the front cross member 22 and the support 77 are effectively used to protect the radiator 68.

A circular recess 84 is formed on the outer surface of the front plate 6 so as to correspond to the spare tire 76 supported by the supporting device 75. By inserting the spare tire 76 into the recess 84 as much as possible, an increase in air resistance due to the spare tire 76 and a decrease in the appearance of the vehicle body 2 are suppressed.

Further, the recess 84 is formed by bending the front plate 6, whereby the front plate 6 is formed.
The rigidity of is improved.

Although the above is based on the illustrated example, the front plate 6
The dash panel 14 and the dash panel 14 may be integrally molded.

[0052]

According to the present invention, a front member having a box-shaped cross section is provided which extends to the left and right and is respectively connected to the lower part of the front plate of the body and the dash panel on the front of the passenger compartment.
The left and right ends of the front member are joined to the brackets.

Therefore, the front plate, the dash panel, and the brackets are reinforced by the front member, that is, the front member is commonly used for reinforcing the front plate and the like. Compared to individual reinforcement, the front part of the vehicle body is reinforced with fewer parts, and this reinforcement is achieved with a simple configuration.

In addition, the front member has a box-shaped cross section and has a shape with sufficiently large strength and rigidity, and the front plate and the like are connected to each other by the front member. Although it has such a simple structure, the front portion of the vehicle body is sufficiently reinforced.

Further, as described above, the front portion of the vehicle body is a small number of parts, and the structure thereof is simple. Therefore, although the vehicle body is sufficiently reinforced as described above, the vehicle body can be easily molded. Becomes

In the above structure, a radiator may be provided in the front part of the vehicle body and the radiator may be supported by the front member.

In this way, the front member having high strength was used to support the radiator, and therefore the support of the radiator was made sufficiently strong and no additional support member was provided for this support. As a result, the radiator can be supported with a simple structure.

Headlights may be supported on the left and right ends of the front member.

In this way, the front member having high strength was used for supporting the headlight, and therefore, the headlight was sufficiently supported and a separate supporting member was provided for this support. Since it is not necessary to provide the headlight, the headlight can be supported with a simple structure.

[Brief description of drawings]

1 is a cross-sectional view taken along the line 1-1 of FIG.

FIG. 2 is an overall perspective view of an automobile.

FIG. 3 is a front perspective view of the automobile with the body removed.

FIG. 4 is a partial side sectional view of what is shown in FIG.

5 is a front partial cross-sectional view of what is shown in FIG. 4. FIG.

[Explanation of symbols]

 1 Car 2 Body 3 Body Frame 4 Body 6 Front Plate 7 Outer Plate 10 Front Bumper 12 Cabin 14 Dash Panel 16 Front Wheel 17 Suspension 21 Side Frame 24 Upper Panel 25 Lower Panel 28 Front Wind 38 Front Pillar 44 Bracket 47 Upper Plate 53 Shock absorber 60 Front member 62 Reinforcement plate 63 End portion 64 Support portion 67 Space 68 Radiator 72 Headlight

Claims (3)

[Claims] 1. A vehicle body comprising a vehicle body frame and a body supported on the vehicle body frame, wherein a front surface portion of the body is formed by a front plate, and a front surface of a vehicle compartment in the body is formed by a dash panel. , A dash panel is adjacent to the lower part of the front plate, a front window is provided on the upper part of the front plate, and a bracket for front wheel suspension is attached to each of the left and right sides of the front part of the body frame. In the front structure, a front member having a box-shaped cross section is provided which extends to the left and right and is connected to the lower portion of the front plate and the dash panel, and the left and right ends of the front member are connected to the brackets. Front structure of the car body. 2. A vehicle body front structure according to claim 1, wherein a radiator is provided in a front portion of the vehicle body, and the radiator is supported by a front member. 3. The vehicle body front structure according to claim 1, wherein headlights are supported on left and right ends of the front member.