JPH086674Y2 - Car steering support structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a steering support structure in which a steering support supports a steering wheel.

(Prior Art) Generally, steering of an automobile is disclosed in, for example, JP-A-61-24.
As disclosed in Japanese Patent No. 1264, a steering support is installed between the left and right front pillars of a vehicle body, and a steering column that rotatably supports a steering shaft is mounted via a bracket in the middle of the length of the steering support. Are assembled.

However, in the above steering support structure,
As disclosed in the above publication, a brace extending in the front-rear direction is installed between the steering support and a strength member located in front of the steering support to sufficiently enhance the supporting rigidity of the steering wheel with respect to the vehicle body. Thus, for example, the vibration of the steering wheel is suppressed when the vehicle is traveling at high speed or idling.

(Problems to be Solved by the Invention) In an automobile having the above structure, for example, it is necessary to suppress the rearward movement amount of the brace and the steering as much as possible at the time of front collision of the vehicle. In order to improve the rigidity of the brace, the brace becomes a bracing during a frontal collision of the vehicle,
The impact load acting in the front-rear direction of the vehicle may cause a problem that the steering wheel is largely protruded rearward through the brace. On the other hand, if the rigidity of the brace is reduced, the vibration suppressing performance of the steering wheel may be deteriorated. Therefore, in the structure described above,
It is extremely difficult to achieve both suppression of steering vibration and suppression of rearward movement of the steering due to a frontal collision of the vehicle.

The present invention was developed in view of the above circumstances,
An object of the present invention is to provide a steering support structure in which vibration of the steering wheel can be surely suppressed, but the steering wheel is not largely protruded rearward, for example, in the case of a frontal collision of the vehicle.

(Means for Solving the Problem) However, the present invention provides a steering support structure in which a steering support is installed between the left and right front pillars, and the steering support is supported by the steering support. The brace is connected to the vicinity of the steering support portion, and the brace is extended obliquely forward from the connection portion with the steering support outward in the vehicle width direction, and the front end portion of the brace is arranged in front of the steering support. The present invention is characterized in that a strength member provided in the vehicle width direction and a front pillar are connected to each other in the vicinity of a connecting portion.

(Operation) According to the present invention, since the brace extends diagonally forward toward the outside in the vehicle width direction with respect to the steering wheel and is coupled near the front pillar having high rigidity, steering support rigidity is increased. In addition, for example, when a large impact load acting in the front-rear direction of the vehicle is applied to the strength member during a frontal collision of the vehicle, the front end side of the brace is easily displaced outward in the vehicle width direction by the impact load, and the brace This prevents the steering wheel from protruding rearward.

Embodiment An embodiment of the steering support structure according to the present invention will be described below with reference to the drawings.

The drawings schematically show the periphery of a steering wheel in a cab-over type truck, and a strength member extending in the vehicle width direction is provided at the upper edge of a front panel (1) arranged below the front window (W). And a pair of left and right front pillars (3) having a closed cross section are erected at both ends in the vehicle width direction of the front panel (1).

A steering support (4) composed of a steering support body (41) having a closed cross section and a steering bracket (40) fixed to the steering support body (41) is installed between the left and right front pillars (3). On the other hand, the first connecting piece (51) is fixed to the lower part of the steering column (5) which rotatably supports the steering shaft (50), and the second connecting piece (52) is fixed to the upper part thereof. The connecting piece (51) is bolted to the lower end of the steering bracket (40).

The steering bracket (40) is provided at a position corresponding to the steering column (5) in the steering support body (41).

Thus, in the embodiment shown in the drawings, a pair of first and second braces (6) (7) having a U-shaped cross section are provided between the steering support (4) and the reinforcement (2).
Specifically, the lengthwise intermediate portion of the first brace (6) and the second brace (7) is installed on the upper end portion of the steering bracket (40) constituting the steering support (4). The second connecting pieces (52) are bolted to the rear ends of the first brace (6) and the second brace (7), respectively.

Then, the first brace (6) arranged outward of the steering column (5) in the vehicle width direction extends obliquely forward from the joint with the steering support (4) outward in the vehicle width direction. And the front end of the steering column is bolted near the end of the reinforcement (2) in the lengthwise direction near the joint with the front pillar (3). The second brace (7) arranged on the inner side in the vehicle width direction with respect to (5) is arranged so as to extend substantially toward the front of the vehicle, and the front end portion thereof is the reinforcement (2). It is bolted to.

The second brace (7) has a structure that buckles when an impact load of a predetermined value or more is input.

In the figure, (8) shows a steering wheel and (9) shows a front panel.

According to the steering support structure having the above configuration,
Particularly, since the front end portion of the first brace (6) is connected to the vicinity of the front pillar (3) having high rigidity, the supporting rigidity of the steering wheel is sufficiently increased, and accordingly, the first and second brace (6) are provided. (7) By virtue of the intervention of (7), it is possible to reliably suppress the vibration of the steering wheel with respect to the vehicle body when the vehicle is traveling at high speed or idling.

Then, for example, when a large impact load is applied to the first and second braces (6) (7) due to a frontal collision of the vehicle, the second brace (7) buckles while the first brace (6) Since the front end side extends obliquely forward toward the outer side in the vehicle width direction, the front end side is smoothly bent outward in the vehicle width direction with the joint portion with the steering support (4) as a base point. Thus, the impact load is absorbed by the first and second braces (6) and (7), and the rearward protrusion of the steering wheel is suppressed.

In the above embodiment, the front end of the first brace (6) is bolted to the vicinity of the joint between the front end of the reinforcement (2) and the front pillar (3). It may be directly connected to the pillar (3).

Further, in the above embodiments, both the braces (6) (7)
Was connected to the steering bracket (40) that constitutes the steering support (4), but both braces (6)
(7) may be coupled to the steering support body (41).

Further, although the present invention is applied to the cab-over type truck in the above embodiments, it may be applied to, for example, a bonnet type automobile. In this case, the front end portion of the first brace (6) is a cowl as a strength member. It is desirable to couple them in the vicinity of the joint between the front pillar and the front pillar (3).

Further, in the above embodiments, the second brace (7) is arranged in the front-rear direction between the steering support (4) and the reinforcement (2), but the second brace (7) is You may arrange | position so that a front-end part may face diagonally ahead toward the vehicle width direction outside.

The second brace (7) is not always necessary.

In the above embodiments, the first and second braces (6)
Although the second connecting piece (5) is bolted to the rear end portion of (7), the second connecting piece (5) may be fixed to the steering support (4).

(Effect of the Invention) According to the present invention as described above, since the brace is connected near the highly rigid front pillar, the supporting rigidity of the steering is increased, and for example, when the vehicle is running at high speed or idling, the steering Vibration can be surely suppressed, and even when a large impact load acting in the front-rear direction is applied to the brace at the time of a frontal collision of the vehicle, the brace is easily displaced outward in the vehicle width direction. The rearward protrusion of the steering wheel due to the brace is reliably suppressed.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a steering support structure according to the present invention, and FIG. 2 is a sectional side view thereof. (1) …… Front panel (front body) (2) …… Reinforcement (strength member) (3) …… Front pillar (4) …… Steering support (6) …… Brace

Claims (1)

[Scope of utility model registration request] 1. A steering support structure in which a steering support is installed between the left and right front pillars to support the steering on the steering support, and a brace is coupled to the steering support in the vicinity of the steering support portion. The brace extends obliquely forward from the joint with the steering support outward in the vehicle width direction, and the front end portion of the brace is disposed in front of the steering support and extends in the vehicle width direction. A steering support structure for an automobile, characterized in that the steering support structure is connected in the vicinity of a connecting portion between the front pillar and the front pillar.