JPH04193642A - Steering wheel - Google Patents

Abstract

PURPOSE:To enhance workability in installing a steering wheel wherein each bracket protrusively provided on a pad body is affixed by an attaching screw to each of plural mounting portions protrusively provided on the side of a steering wheel main body by providing each bracket with a tilting guide portion on which the large diameter portion of each bracket which is located on the side of the head portion of an attaching screw is made to abut. CONSTITUTION:A steering wheel main body 1 has a plurality of plate-shaped mounting portions 7 each provided on a boss plate 6 in such a manner as being bent and projected upward and a bracket 12 corresponding to each mounting portion 7 is affixed to the lower side of a base plate 11 located on the reverse side of a pad body 10. A hole 13 opposite to the screw hole 8 of each mounting portion 7 is bored through the bracket 12. A guide frame 15 comprising a spring member is affixed to the lower end portion of each bracket 12. An attaching screw 22 is threadably engaged in the screw hole 8 and when the attaching screw 22 is tightened the large diameter portions 24, 46 of each bracket 12 which are located on the side of the head portion 23 of the attaching screw 22 are each made to abut on a tilting guide portion 19 and the guide portion 19 is pushed downward together with each bracket 12 because of the tilt and the pad body 10 is tightened and fixed to the steering wheel main body 1 while being pushed downward.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a steering wheel for a vehicle such as an automobile, and particularly relates to a mounting structure for a pad body.

(Prior Art) In a conventional steering wheel for a vehicle such as an automobile, as shown in Japanese Utility Model Application Publication No. 63-69658, a plurality of mounting portions are provided protruding from the steering wheel body side. The pad body is attached to the steering wheel body by fixing a bracket protruding from the pad body with a screw.

(Problem to be Solved by the Invention) In the conventional structure described above, the mounting screw is screwed in from the side by aligning the mounting hole of the bracket of the pad body with the screw hole of the mounting portion on the steering wheel body side. However, the mounting structural parts are often made with metal presses, and due to the stacking tolerance of each part, it is difficult to perfectly match the mounting surfaces and mounting points, and if they are not matched and fastened with mounting screws, The pad body is tilted with respect to the steering wheel body, and therefore, during the fastening work, the pad body must be strongly pressed against the steering wheel body, resulting in poor work efficiency.

Furthermore, if the pad body constitutes a push button of the horn switch mechanism, that is, if the mounting part on the steering wheel body side to which the pad body is attached is the movable contact side of the horn switch mechanism, a small amount of the pad body Since the tilt also affects the operability of the horn, it is necessary to suppress even the slightest tilt.

The present invention is intended to solve the above-mentioned problems, and aims to prevent the pad body from tilting and to allow the pad body to be mounted with good workability.

[Structure of the invention]

(Means for Solving the Problems) In the present invention, a plurality of mounting portions 7 are provided protrudingly on the side of the steering wheel main body 1, and a bracket 12 protruding from the pad body 10 is attached to the mounting portions 7 with mounting screws 22. In a fixed steering wheel, a long hole 13 is formed in the bracket 12 of the pad body 10 opposite to the slotted hole 8 formed in the mounting portion 7 on the side of the steering wheel body 1, and in the bracket h12, The elongated hole 13 of the bracket 12 is provided with a guide portion 19 inclined outward and downward, which is in contact with the large diameter portion 24.46 on the head 23 side of the mounting screw 22 screwed into the screw hole 8 of the mounting portion 7. It is something.

(Function) In the present invention, the pad body 1 is attached to the steering wheel body 1.
0, screw the mounting screw 22 from the elongated hole 13 of the bracket 12 into the threaded hole 8 of the corresponding mounting part 7, and tighten this mounting screw 22. The large diameter portion 24.46 on the head 23 side contacts the inclined guide portion 19, and the guide portion 19 is pushed down together with the bracket 12 due to the inclination, thereby causing the pad body 10 to be attached to the steering wheel body 1. On the other hand, the tightening is fixed while being pushed downward.

(Example) An example of the steering wheel of the present invention will be described with reference to the drawings.

1 to 3 show a first embodiment.

In FIGS. 1 and 3, reference numeral 1 denotes a steering wheel body, and the steering wheel body 1 has a central boss 4 connected to an annular rim portion 2 via spoke portions 3. A boss plate 6 integrally formed with the spoke core metal 5 is fixed to the outer periphery of the upper end of the boss 4.
At least two or more plate-shaped mounting portions 7 are bent upwardly from the boss plate 6, and screw holes 8 are bored in the mounting portions 7.

Reference numeral 10 denotes a pad body disposed on the central portion of the steering wheel body 1, and a bracket 12 corresponding to each of the mounting portions 7 is fixed to the lower surface of the base plate 11 on the back side of the pad body 10. ) 12 protrudes below the base plate 11, and this bracket 12 has an elongated hole 13 facing the screw hole 8.

A guide frame 15 made of a spring material is fixed to the lower end of each bracket 12. As shown in FIG. 2, this guide frame 15 is formed by bending a locking piece 17 that locks from the center of the base 16 to the inner surface of the bracket 12 to the lower inner edge of the elongated hole 13. Connecting portion I from the center of the lower edge of 16 to the lower edge of bracket 12
Guide part 1 to the outer surface of bracket 12 via 8
9 is formed by bending, and engaging pieces 20 are formed by bending from both sides of the lower edge of the base 15.

When this guide frame 15 is attached to the bracket I2, it is fixed to the bracket 12 by the locking piece I7 and the connecting part 18, and in this state, the guide part 19 is attached to the outer surface of the bracket 12. The elongated hole 13 is inclined outwardly and downwardly from the lower part thereof.

Then, when attaching the pad body lO to the steering wheel body l, a guide frame 15 is placed on the outside of each mounting portion 7.
A corresponding bracket 12 is placed through the base 16 of the bracket 12, and the mounting screw 22 is screwed into the screw hole 8 of the mounting portion 7 through the elongated hole 13 of the bracket 12. When the mounting screw 22 is screwed together and tightened, the washer 24 as a large diameter portion on the head 23 side of the mounting screw 22 comes into contact with the inclined guide portion 19 of the guide frame 15, and the inclined guide frame 15 is pushed down together with the bracket 12, thereby
The pad body IO is tightened and fixed while being pressed downward with respect to the steering wheel body 1.

Note that when the bracket 12 of the pad body 10 is arranged together with the guide frame 15 on the outside of the mounting portion 7 of the steering wheel main body 1, the engagement piece 20 of the guide frame 15 serves as a guide, making the work easier.

Also, at this time, a contact surface 26 is formed on the upper surface of the steering wheel body 1, an engagement recess 27 is formed in a part of this contact surface 26, and an engagement protrusion is formed on the lower surface of the base plate 11 of the pad body 10. By forming the portion 28,
The base plate 11 of the pad body 10 is brought into contact with the contact surface 26 of the steering wheel body 1, and the engagement convex portion 28 is engaged with the engagement recess 27 to ensure that the pad body 10 is at a predetermined height position. Can be fixed.

By doing this, the pad body 1
This eliminates the need to tighten screws while pressing the pad body 10. For example, even if the mounting portions 7 are arranged on both sides and the pad body 10 is mounted on one side at a time, problems such as tilting of the pad body 10 can be drastically reduced.

In this embodiment, the washer 24 on the head 23 side of the mounting screw 22 is brought into contact with the inclined guide portion 19 of the guide frame 15 as the large diameter portion, but the present invention is not limited to this. The head 23 of the mounting screw 22 may be brought into direct contact with the guide portion 19.

FIGS. 4 and 5 show a second embodiment.

In this embodiment, the pad body IO constitutes a push button of the horn switch mechanism, and the mounting portion 7 on the steering wheel body 1 side to which the pad body 10 is attached is on the movable contact side of the horn switch mechanism. This is an example in which the horn plate 31 is provided.

That is, both ends of each horn plate 31 are supported by a member 34 on the steering wheel body 1 side through a guide shaft 32 and a horn spring 33 so as to be able to be pushed in the vertical direction, and are inserted into screw holes 8 of the mounting portion 7 of the horn plate 31. When the mounting screw 22 is screwed into the elongated hole 13 of the bracket 12 to which the guide frame 15 is fixed, and the mounting screw 22 is tightened, the pad body 10 is pressed downward against the horn plate 3I on the steering wheel body 1 side. The tightening is fixed while being applied.

At this time, support pins 36 are attached to both ends of each horn plate 31.
By protruding, both ends of the bracket 12 can be brought into contact with the support pins 36, and a clearance between the pad body IO and the horn plate 31 can be secured.

Further, although the same is true for the first embodiment, as shown in FIG.
It is possible to prevent lateral displacement of the

6 and 7 show a modification example in which a stepped portion 41 is formed at the tip of the guide portion 19 of the inclined guide frame 15, so that when the mounting screw 22 is tightened, the mounting screw 22 can be tightened. A washer 24 as a large diameter portion on the head 23 side of 22 is locked to prevent the mounting screw 22 from loosening.

Similarly, in the modification shown in FIG. 8, an inclined part 43 opposite to the guide part 19 is formed at the tip of the guide part 19 of the guide frame 15, so that the mounting screw 22 can be tightened. Lock the washer 24 on the head 23 side of the mounting screw 22,
This prevents the mounting screws 22 from loosening.

Furthermore, in the modification shown in FIG. 9, the guide portion 1 of the guide frame 15
A wavy portion 45 is formed at the tip of the mounting screw 22 , and a flange portion 46 is integrally formed on the head 23 side of the mounting screw 22 as a large diameter portion in place of the washer 24 .
By forming the outer periphery of the knurled portion 47, when the mounting screw 22 is tightened, the flange portion 46 on the head 23 side of the mounting screw 22 is locked, thereby preventing the mounting screw 22 from loosening. ing.

In addition, in the above-mentioned embodiment and modification, the guide frame 15 in which the guide part 19 was formed was fixed to the bracket 12.
bracket! When 2 is a spring material, the guide portion can be integrally formed with the bracket 12.

〔Effect of the invention〕

As described above, according to the present invention, there is no need to perform screw tightening work while pressing the pad body as in the conventional case, and work efficiency can be improved.
Since the mounting portions are arranged on both sides, problems caused by inclination of the pad body can be drastically reduced even if the pad is mounted on one side at a time.

[Brief explanation of the drawing]

1 to 3 show a first embodiment of the steering wheel of the present invention, FIG. 1 is a sectional view of the section 1-I in FIG. 3, FIG. 2 is a perspective view of the main part, and FIG. is a plan view of the whole, FIGS. 4 and 5 show the second embodiment, FIG. 4 is a sectional view of the main part, FIG. 5 is an exploded perspective view thereof, and FIGS. Figure 7 shows a modified example, Figure 6 is a sectional view of the main part, Figure 7 shows a modified example.
The figure is a perspective view of the main part, FIG. 8 is a side view of the main part showing another modification, and FIG. 9 is an exploded perspective view of the main part showing still another modification. 1. Steering wheel body, 7. Mounting part, 8.
・Screw hole, 10... Pad body, 12... Bracket, 1
3...Long hole, 19...Guide part, 22...Mounting screw, 2
3. Head, 24. Washer as large diameter part, 46.
・Flange part as large diameter part. 14 times 1 wound” female spear j-possible

Claims (1)

[Claims] (1) In a steering wheel in which a plurality of mounting portions are provided protruding from the steering wheel body side, and a bracket protruding from the pad body is fixed to the mounting portions with mounting screws, the mounting portion is formed on the steering wheel body side. A long hole is formed in the bracket of the pad body opposite to the screw hole formed in the pad body, and a large diameter mounting screw is formed on the head side of the mounting screw that is screwed from the long hole of the bracket into the screw hole of the mounting part. What is claimed is: 1. A steering wheel characterized in that a guide portion is provided that is inclined outwardly and downwardly, and the guide portion abuts the guide portion.