JP2000016332A - Fitting structure of suspension strut for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure a space at the foot of a driver's seat by arranging the axis of a coil spring in an offset manner outward of a vehicle body relative to the axis of a suspension strut, and forming a recessed part corresponding to a pedal arm in an inner wall surface of the in-cabin side of a strut tower. SOLUTION: In this fitting structure, a strut tower to store a suspension strut is arranged in a space at the foot of right and left front seats. The axis O2 of a coil spring 24 to be mounted on right and left suspension struts 16 is arranged in an offset manner outward of a vehicle body relative to the axis O1 of the suspension strut 16, and a recessed part 26 corresponding to a pedal arm at a driver's seat is formed on an inner wall surface 17a on the in-cabin side of the strut tower 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a vehicle suspension strut which can reduce the size of a strut tower.

[0002]

2. Description of the Related Art Generally, as shown in FIGS.
When adopting the coil spring integrated strut type suspension 100, in consideration of the fact that the suspension strut 101 itself rotates together with the coil spring 102 in the direction of the arrow in steering, sufficient space is provided around the mounting portion of the suspension strut 101. Need to secure. Normally, as shown in FIG. 8, the upper end of the suspension strut 101 is screwed to the ceiling surface of the cylindrical strut tower 103, and the lower end of the suspension strut 101 is fixed to a wheel hub 105 that supports the wheel 104. . Coil spring 102
Are the spring upper seat 106 and the spring lower seat 10 attached to the suspension strut 101.
It is arranged between seven. The coil spring 102 is usually wound in a cylindrical shape.
And the axis of the suspension strut 101 are aligned. As a result, the suspension struts 10
The strut tower 103 that accommodates 1 is to be enlarged.

[0003] The location of the strut tower 103 is roughly divided into three places depending on the type (shape) of the vehicle body. FIG.
As shown in (1), in a hood type vehicle, it is provided in an engine room. As shown in FIG. 10, in a semi-cab-over type vehicle, the vehicle is provided in a foot space of a front seat in a room. As shown in FIG. 11, in a hatchback type vehicle or the like that employs rear struts, it is provided in a trunk room. Increasing the size of the strut tower may cause the following problems in each vehicle type. Strut tower 10 in engine room
In the case where 3 is provided, the space in the engine room is compressed, and the arrangement of accessories is restricted. When the strut tower 103 is arranged in the foot space of the front seat in the room, FIG.
As shown in FIG. 2, since the foot space is compressed, the arrangement of the operation pedals 108 is restricted. When the strut tower 103 is provided in the trunk room, the luggage space is compressed and the trunk capacity is reduced.

[0004]

In particular, the strut tower 103 is provided in the foot space of the front seat in the room as shown in FIG.
When the foot space is compressed by arranging the vehicle, it is a problem related to the operation system, and in a limited vehicle frame (standard), in terms of suspension performance, desired layout, operability,
It was very difficult to achieve a desired pedal arrangement.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems and to provide a mounting structure of a suspension strut for an automobile which can secure a foot space for a driver's seat.

[0006]

According to the present invention, there is provided an automobile suspension strut mounting structure in which a strut tower for accommodating a suspension strut is disposed in a left and right foot space of a front seat. The axis of the coil spring attached to the left and right suspension struts is offset from the axis of the suspension strut to the outside of the vehicle body, and the inner wall surface of the strut tower above corresponds to the driver's seat pedal arm Thus, the recess was formed.

[0007] Since the recessed portion is formed on the inner wall surface of the strut tower on the indoor side corresponding to the pedal arm of the driver's seat, the foot space of the driver's seat can be enlarged to improve the operability of the pedal arm.

[0008]

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

1 to 3, reference numeral 1 denotes a vehicle body of a semi-cab-over type vehicle.
An equipment storage space 4 is formed by the dash panel 2 and separated from the room 3. The dash panel 2 includes a clutch pedal 5, a brake pedal 6, and an accelerator pedal 7,
Each is mounted via a clutch pedal arm 8, a brake pedal arm 9, and an accelerator pedal arm 10. A brake booster 12 is mounted on a pedal bracket 11 that supports the clutch pedal arm 8 and the brake pedal arm 9. A floor panel 13 of the interior 3 of the vehicle body 1 includes a side panel 14 and a dash panel 2.
As shown in FIG. 4, the front wheel 15
A strut tower 17 for housing a suspension strut 16 for suspending the vehicle and a wheel house 18 are provided.

Referring to FIG. 4, the suspension strut 16 has an upper end fixed to a strut tower 17 and a lower end connected to a steering knuckle 20 provided on a wheel hub 19 of a front wheel 15 via a bracket 21. Is fixed. The suspension strut 16 is provided with a spring upper seat 22 on an upper cylinder rod 16a and a spring lower seat 23 on a lower cylinder 19b. A coil spring 24 is provided between the spring upper seat 22 and the spring lower seat 23. ing.

The coil spring 24 is formed in a spiral shape so that the upper end has a small diameter and the lower end has a large diameter, and is formed in a substantially truncated cone shape.
6 is disposed between the spring upper seat 22 mounted on the upper cylinder rod 16a and the spring lower seat 23 mounted on the lower cylinder 19b. The spring upper seat 22 and the spring lower seat 23 form a seat surface 22 for supporting a coil spring 24.
a, 23a are the axes O of the suspension struts 16
It is disposed with the outside of the vehicle body raised by a predetermined angle θ with respect to a plane orthogonal to ₁ . Thus, the lower side of the coil spring 24 is disposed so as to be offset by a predetermined angle θ to the outside of the vehicle body with respect to the axis O ₁ of the suspension strut 16. Since the coil spring 24 is disposed offset by a predetermined angle θ to the outside of the vehicle body to the axial center O ₂ with respect to the strut the axial center O _1, strut tower inner wall surface side end of the body 1 side of the coil spring 24 It is arranged along.

The strut tower 17 is shown in FIGS.
As shown in FIG.
The wheel house portions 25b are integrally provided on both sides of the strut tower a, and the interior side wall surface 17a of the strut tower 17 is formed in the concave portion 26 by the offset of the coil spring 24 to the outside of the vehicle body, and a predetermined width L is formed outside the vehicle body. At the same time, the interior space is enlarged.

The attachment of the suspension struts 16 to the vehicle body 1 will be described. On the upper cylinder rod 16a,
A bump stopper 27 and a strut bearing sheet 28 are arranged with the spring upper sheet 22 interposed therebetween, and the upper cylinder rod 16
A nut 31 is screwed into the threaded portion 30 at the tip end of FIG. The strut rebound stopper 29
A strut support rubber 32 is disposed between the strut bearing rubber 28 and the strut support rubber 32, and a strut support 33 is attached to the strut support rubber 32. This strut support 33 is screw 3
4 and the strut tower body 2 via the nut 35
It is fixed to the ceiling portion 25a ₁ of 5a. The screw 34 and the nut 35 are fastened at two places. By adjusting the mounting angle of the strut support 33 with respect to the horizontal plane,
The mounting angle of the suspension strut 16 is set.

According to the above configuration, the coil spring 24
Is formed in a spiral shape so that the upper end portion has a small diameter and the lower end portion has a large diameter, and is formed in a substantially truncated cone shape, and the axis O ₂ of the coil spring 24 is changed to the strut axis O ₁ . since the arranged offset by a predetermined angle θ to the outside of the vehicle body against the length of the length L1 to the side end of the coil spring 24 of the vehicle body 1 side to the vehicle body 1 outer way against the strut axial O ₁ Length L2. Therefore, the indoor side wall surface 17a of the strut tower 17 is formed in the concave portion 26, and can be shifted to the outside of the vehicle body by a predetermined width L. Therefore, the operation of the pedal is facilitated since the indoor side space can be enlarged accordingly.

Further, since the axis O ₂ of the coil spring 24 formed in a substantially frustoconical shape is disposed outside the vehicle body by a predetermined angle θ with respect to the axis O ₁ of the strut, the coil spring 24 Since the side end on the vehicle body 1 side can be made substantially perpendicular to the inner wall surface of the strut tower, a concave portion 26 is formed in the indoor side wall surface 17a of the strut tower 17, and the wall surface can be moved to the outside of the vehicle body. Therefore, it is possible to easily operate the clutch pedal 5 in the case of a left-hand drive vehicle and the accelerator pedal 7 in the case of a right-hand drive vehicle. Since the strut tower 17 has the wheel house portions 25b integrally provided on both sides of the strut tower main body portion 25a on the indoor 3 side, the strength is improved as compared with a conventional semi-cylindrical one.

The present invention is not limited to the above-described embodiment. For example, if the suspension strut mounting structure of the present invention is applied to an engine room,
The space in the engine room can be expanded, and when applied to a rear suspension strut, the space in the luggage compartment can be expanded. Therefore, the luggage room in the trunk room or the like can be expanded.

[0017]

As described above, according to the mounting structure of the vehicle suspension strut according to the present invention, the following effects can be obtained. The strut tower that accommodates the suspension struts is mounted on the suspension strut for the vehicle, which is disposed in the foot space on the left and right of the front seat, and the axis of the coil spring mounted on the left and right suspension struts is the axis of the suspension strut On the other hand, since it is arranged offset to the outside of the vehicle body and a concave portion is formed on the inner wall surface of the strut tower on the indoor side corresponding to the pedal arm of the driver's seat, it is possible to expand the indoor side space, Pedal operation becomes easy. Therefore, it is possible to prevent the strut tower from increasing in size with respect to the suspension strut, and to secure a room on the indoor side. In addition, since the upper end of the coil spring has a small diameter and the lower end has a large diameter, the small diameter portion of the coil spring is arranged in a small space portion and the large diameter portion of the coil spring is formed in a large space portion. Since they are arranged, the size of the strut tower can be reduced. Further, by adjusting the arrangement angle of the spring seat supporting the upper and lower ends of the coil spring mounted on the suspension strut, the coil is arranged so that the side end of the coil spring on the vehicle body side is arranged along the inner wall surface of the strut tower. Since I set the axis of the spring,
Because the large diameter portion of the coil spring can be placed outside the vehicle body,
A recess can be formed corresponding to the pedal arm of the driver's seat.

[Brief description of the drawings]

FIG. 1 is a front view showing a vehicle body to which a mounting structure of an automotive suspension strut according to the present invention is applied.

FIG. 2 is a side view showing a vehicle body to which the mounting structure for a vehicle suspension strut according to the present invention is applied.

FIG. 3 is a perspective view showing an embodiment of the mounting structure of the automotive suspension strut of the present invention.

FIG. 4 is a sectional view taken along the line AA of FIG. 3, showing the embodiment of the mounting structure of the automotive suspension strut of the present invention.

FIG. 5 is a perspective view showing the strut tower of FIG. 3;

FIG. 6 is a plan view of FIG. 5;

FIG. 7 is a perspective view showing a mounting structure of a conventional automobile suspension strut.

FIG. 8 is a cross-sectional view showing a conventional mounting structure of a vehicle suspension strut.

FIG. 9 is a perspective view showing a vehicle body in which a strut tower of a suspension strut is arranged in an engine room.

FIG. 10 is a perspective view showing a vehicle body in which a strut tower of a suspension strut is arranged in a vehicle cabin.

FIG. 11 is a perspective view showing a vehicle body in which a strut tower of a suspension strut is disposed at a rear part of a vehicle cabin.

FIG. 12 is a perspective view showing a relationship between a pedal and a vehicle body in which a strut tower of a suspension strut is arranged in a vehicle cabin.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Body 2 Dash panel 3 Room 4 Equipment storage space part 5 Clutch pedal 6 Brake pedal 7 Accelerator 8 Clutch pedal arm 9 Brake pedal arm 10 Accelerator pedal arm 11 Pedal bracket 12 Brake booster 13 Floor part 14 Side panel 15 Front wheel 16 suspension strut 17 strut tower 18 wheel house 19 wheel hub 20 the steering knuckle 21 bracket 22 spring upper sheet 23 spring lower sheet 24 coil springs 25a strut tower main body 25b wheel house portion 26 recesses O _1, O ₂ axial

Claims (3)

[Claims] 1. A structure for mounting a suspension strut for an automobile, wherein a strut tower accommodating the suspension strut is disposed in a foot space on the left and right sides of a front seat.
The axes of the coil springs mounted on the left and right suspension struts are arranged offset to the outside of the vehicle body with respect to the axis of the suspension struts. A mounting structure for an automotive suspension strut, wherein a concave portion is formed correspondingly. 2. The mounting structure according to claim 1, wherein the coil spring has a small diameter at an upper end and a large diameter at a lower end. 3. An arrangement angle of a spring seat for supporting upper and lower ends of a coil spring mounted on the suspension strut is adjusted, and a side end of the coil spring on a vehicle body side is arranged along an inner wall surface of the strut tower. The mounting structure of a suspension strut for an automobile according to claim 2, wherein the axis of the coil spring is set such that the axis of the coil spring is set.