JPH061105U - Car steering column support device - Google Patents

Abstract

(57) [Abstract] [Purpose] In the case where a long body for supporting a steering column is composed of a first supporting member and a second supporting member, and the steering column is supported on the second supporting member side. The strength of the second supporting member can be improved without increasing the cross-sectional shape of the second supporting member, and stress concentration does not occur in the middle portion in the longitudinal direction of the elongated body. [Structure] The elongated body 17 is attached to the left and right side walls 15 and 16 of the passenger compartment 2.
It is configured by a first support member 19 protruding from one side wall 15 and a second support member 20 protruding from the other side wall 16 and supporting the steering column 10. These first and second
The protruding ends of the support members 19 and 20 are connected to each other. The protruding end side 19a of the first supporting member 19 is connected to the second supporting member 20.
It extends through the inside toward the other side wall 16, and the extending end of the extending portion 22 is connected to the other side wall 16.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a supporting device in which a long body is installed on left and right side walls of a vehicle compartment of an automobile, and the long body supports the steering column.

[0002]

[Prior art]

 2. Description of the Related Art A conventional steering column support device for an automobile is disclosed in Japanese Utility Model Laid-Open No. 60-87863. According to this, the supporting elongated body is installed on the left and right side walls of the vehicle compartment. This elongated body is a pipe-shaped first support member protruding from one of the left and right side walls toward the left and right center of the vehicle compartment, and the other side wall of the elongated body toward the left and right center side of the vehicle compartment. The second support member is made of a protruding sheet metal, and the projecting end sides of the first and second support members are connected to each other. The second support member has a larger cross-sectional shape than the first support member, and a steering column that supports a steering handle is supported on the second support member side. That is, the steering column is usually provided on one side of the left and right sides of the vehicle compartment. Therefore, the long body that supports the steering column is biased on the one side of the left and right sides by supporting the steering column. You will receive a heavy load. Therefore, the cross-sectional shape of the second support member on the side supporting the steering column is made larger than that of the first support member, so that the strength of the second support member is improved and the load is dealt with. .

[0003]

[Problems to be solved by the device]

 By the way, in order to prevent the steering handle from vibrating due to traveling, it is desired that the second support member that supports the steering column has greater strength. Therefore, it is conceivable to increase the cross-sectional shape of the second support member, but since the passenger compartment is a limited and narrow space, there is a limit to increasing the cross-sectional shape in this way. Further, since the cross-sectional shapes of the first support material and the second support material are different from each other, stress concentration is likely to occur at the connecting portion between the projecting ends, that is, at the middle portion in the longitudinal direction of the elongated body. There's a problem.

[0004]

[The purpose of the device]

 This invention was made in view of the above circumstances, and an elongated body for supporting a steering column is composed of a first support member and a second support member, and an upper member is provided on the second support member side. In the case where the steering column is supported, the strength of the second supporting member can be improved without increasing the cross-sectional shape of the second supporting member, and the longitudinal direction of the elongated body can be improved. The purpose is to prevent stress concentration in the middle part.

[0005]

[Means for Solving the Problems]

 A feature of the present invention for achieving the above object is that a long body for supporting a steering column is provided with a first support member protruding from one side wall of the left and right side walls of a vehicle compartment and another A second supporting member protruding from the side wall, the protruding end sides of the first and second supporting members are connected to each other, and the steering column is supported on the second supporting member side. At the point where the projecting end side of the first supporting member is extended toward the other side wall through the inside of the second supporting member, and the extending end of this extending portion is connected to the other side wall. is there.

[0006]

[Work]

 The operation of the above configuration is as follows. The terms in parentheses below correspond to the terms in the scope of claims for utility model registration. A long body 17 for supporting the steering column 10 is provided with a first support member 19 protruding from one front pillar (side wall) 15 of the left and right front pillars (side walls) 15 and 16 of the vehicle compartment 2, and the other front pillar. The second support member 20 protruding from the (side wall) 16 is connected to the respective projecting end sides of the first and second support members 19 and 20, and the steering is provided on the second support member 20 side. When the column 10 is supported, the projecting end side 19a of the first supporting member 19 is extended toward the other front pillar (side wall) 16 through the inside of the second supporting member 20. The extended end of the projecting portion 22 is connected to the other front pillar (side wall) 16 described above. Therefore, the extending portion 22 reinforces the second supporting material 20, and the strength of the second supporting material 20 is improved. Then, in this case, the second support member 20 has a larger cross-sectional shape than the first support member 19, and the extending portion 22 from the first support member 19 is provided in the second support member 20. Therefore, the above-mentioned improvement of the strength of the second supporting member 20 can be achieved without increasing the sectional shape of the second supporting member 20.

Since the second support member 20 is reinforced by the extending portion 22 as described above, the cross-sectional shape of the second support member 20 can be reduced to some extent. Therefore, it is possible to suppress the cross-sectional change in the longitudinal middle portion of the long body 17 to be small, which prevents stress concentration from easily occurring in the longitudinal middle portion of the long body 17.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. In FIG. 2, reference numeral 1 is the vehicle body of an automobile, and arrow Fr indicates the front thereof. Further, the left and right below mean the direction toward the front. The interior of the vehicle body 1 is a passenger compartment 2, and the front wall of the passenger compartment 2 is composed of a front cowl 3 extending left and right and a dash panel 4 extending downward from the front cowl 3. A lower panel 5 extends rearward from the lower end of the dash panel 4. 7 is a hood, and 8 is a front side door.

A steering column 10 is provided on the right front side of the vehicle compartment 2 so as to extend rearward and upward. The lower end of the steering column 10 is supported on the dash panel 4 side, and the upper end of the steering column 10 is supported on the protruding end side of a brace 11 protruding rearward from the front cowl 3. A steering shaft 13 is rotatably supported on the steering column 10 around its axis, and a steering handle 14 is attached to the upper end of the steering shaft 13. When the driver rotates the steering handle 14, the front wheels are steered via the steering shaft 13 in response to this.

1 to 3, the left and right side walls of the front portion of the vehicle compartment 2 are composed of left and right front pillars 15 and 16, and the left and right front pillars 15 and 16 are used to support the steering column 10. The long body 17 is installed. The brace 11 is supported on the left and right midway portions of the elongated body 17.

In all the figures, the elongated body 17 includes a circular pipe-shaped first support member 19 projecting from the left front pillar 15 toward the left and right center sides of the vehicle compartment 2 and a front pillar 16 on the right side. It is configured with a second support member 20 that protrudes toward the left and right center sides of the passenger compartment 2. In this case, the left end of the first support member 19 is detachably screwed to the front pillar 15 by a bolt 21. The protruding end side 19a of the first supporting member 19 is internally fitted to the protruding end side of the second supporting member 20 and is connected to the protruding end side. The projecting end side 19a of the first supporting member 19 passes through the inside of the second supporting member 20 and extends toward the front pillar 16 on the right side. The cross-sectional shape of the extending portion 22 is substantially the same as that of the first supporting member 19, and an outward flange 23 is welded to the extending end of the extending portion 22. It is detachably screwed to the front pillar 16.

The second support member 20 is made of sheet metal and is composed of an upper member 26 and a lower member 27. The left halves 26a and 27a of the upper member 26 and the lower member 27 constitute the projecting end side of the second supporting member 20. The left halves 26a and 27a each have a substantially semicircular cross section. The protruding end side 19a of the first supporting member 19 is internally fitted so as to be surface-bonded, and is welded to the protruding end side 19a of the first supporting member 19. The right halves 26b and 27b of the upper member 26 and the lower member 27 each have a substantially hat-shaped cross section, and are joined by spot welding from above and below, whereby the right halves 26b and 27b as a whole are box-shaped. It is shaped. An outward flange 28 is formed at the right end of each of the right halves 26b and 27b. The outward flange 28 is overlapped with the outward flange 23 and is fastened to the front pillar 16 together with the bolt 24. .

In the above case, the extending portion 22 reinforces the second supporting material 20, and the strength of the second supporting material 20 is improved. In addition, the second support member 20 has a larger cross-sectional shape than the first support member 19, and the extending portion 22 extending from the first support member 19 is provided in the second support member 20. Therefore, the improvement in the strength of the second support member 20 described above is achieved without increasing the cross-sectional shape of the second support member 20, and the support of the steering column 10 is strengthened without narrowing the passenger compartment 2. ing.

As described above, since the second support member 20 is reinforced by the extending portion 22, the cross-sectional shape of the second support member 20 is correspondingly reduced. As a result, the cross-sectional change at the midway portion in the longitudinal direction of the elongated body 17 is suppressed to be small, which prevents stress concentration from easily occurring in the midway portion in the longitudinal direction of the elongated body 17. .

1 to 4, the brace 11 is made of sheet metal, and the brace 11 includes a front plate 31 screwed to the front cowl 3 with a bolt 30, and a rear end from the left end of the front plate 31. The left side plate 32, the right side plate 33 extending rearward from the right end of the front plate 31, and the bracket plate 34 provided so as to connect the left side plate 32 and the rear parts of the right side plate 33. It consists of and. Then, the steering column 10 is screwed to the bracket plate 34 with a bolt 35, whereby the steering column 10 is supported on the protruding end side of the brace 11 as described above.

In the above case, the left and right midway portions of the elongated body 17 are vertically sandwiched between the rear portions of the left side plate 32 and the right side plate 33 and the bracket plate 34, and welded to each other. As a result, as described above, the brace 11 is firmly supported on the left and right midway portions of the elongated body 17, and the brace 11 is reinforced. Further, in this case, the brace 11 is supported at a portion where the protruding end side 19a of the first supporting member 19 and the left halves 26a, 27a of the upper and lower members 26, 27 of the second supporting member 20 are joined. ing.

The right side plate 33 extends substantially straight forward and backward. On the other hand, the left side plate 32 is inclined toward the left side as it goes rearward, and the left side plate 32 is connected to the elongated body 17 extending left and right at an acute angle θ, as shown in FIG. There is. Circular openings 37 are formed through the left side plate 32 and the right side plate 33, respectively. The opening edge 38 of the opening 37 is burred (bent) to form a flat truncated cone-shaped tubular portion 39 and a narrow inward flange integrally formed with the protruding end of the tubular portion 39. 40 and 40. When a large impact is applied from the side of the front cowl 3 to the side of the steering column 10 via the brace 11 at the time of a collision, the presence of the opening 37 causes the left side plate 32 and the right side plate 33 to move smoothly. It buckles and the above impact is effectively absorbed. Therefore, the steering column 10 and the steering handle 14 are prevented from protruding rearward due to the impact.

[0018]

[Effect of device]

 According to this invention, the elongated body for supporting the steering column is composed of the first support member protruding from one of the left and right side walls of the vehicle compartment and the second supporting member protruding from the other side wall. In the case where the projecting end sides of the first and second supporting members are connected to each other and the steering column is supported by the second supporting member side, the projecting end side of the first supporting member is configured. Is extended toward the other side wall through the inside of the second support material, and the extension end of this extension portion is connected to the other side wall, so that the extension portion reinforces the second support material. As a result, the strength of this second support material is improved. Further, in this case, the second support member has a larger cross-sectional shape than the first support member, and the extending portion from the first support member is provided in the second support member. The improvement of the strength of the second support material is achieved without increasing the sectional shape of the second support material. That is, the steering column is firmly supported without narrowing the passenger compartment.

Further, since the second support member is reinforced by the extending portion as described above, the cross-sectional shape of the second support member can be reduced to some extent. Therefore, since it is possible to suppress the change in the cross section in the middle part in the longitudinal direction of the elongated body, it is possible to prevent stress concentration from easily occurring in the middle part in the longitudinal direction of the elongated body. The support of the ing column will be strengthened.

[Brief description of drawings]

FIG. 1 is a partial plan view of a plane.

FIG. 2 is an overall perspective view.

FIG. 3 is a view of a long body as viewed from the rear.

FIG. 4 is a side view.

5 is a view taken along line 5-5 of FIG.

6 is a view taken along line 6-6 of FIG.

[Explanation of symbols]

 1 Car Body 2 Cabin 5 Floor Panel 10 Steering Column 11 Brace 13 Steering Shaft 14 Steering Handle 15 Front Pillar (Side Wall) 16 Front Pillar (Side Wall) 17 Long Body 19 First Supporting Material 19a Projecting End Side 20 Second Supporting Material 22 Extension part 26a Left half (projection end side) 27a Left half (projection end side)

Claims (1)

[Scope of utility model registration request] 1. An elongated body for supporting a steering column is installed on left and right side walls of a vehicle compartment, and the elongated body is projected from one of the left and right side walls toward a left and right center side of the vehicle compartment. And a second support member made of sheet metal that protrudes from the other side wall toward the left and right center sides of the vehicle compartment, and each of these first and second support members protrudes. A steering column supporting device for an automobile, wherein end portions are connected to each other, and a sectional shape of a second supporting member is made larger than that of the first supporting member so that the steering column is supported on the second supporting member side. A steering column supporting device for an automobile, wherein a protruding end side of a supporting member extends through the second supporting member toward the other side wall, and an extending end of the extending portion is connected to the other side wall.