JPH04123773U - steering wheel - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a steering wheel that can prevent a horn pad from rattling in the clockwise or counterclockwise direction. [Structure] The steering wheel includes a ring portion R having a coating layer and a boss portion B disposed at the center of the ring portion R.
and a spoke part S connecting the boss part B and the ring part R, and a horn pad 7 is disposed partially above the boss part B and the spoke part S. Guide portions 16 and 1 are installed at the lower side of the horn pad 7 at a location covering the spoke portion core metal 2 of the spoke portion, so as to sandwich the spoke portion core metal from both sides with a loose fit.
A coating layer 11 is formed around the spoke core metal 2 which is opposed to the guide parts 16 and 17.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a steering wheel for an automobile, and in particular, the present invention relates to a steering wheel for an automobile. The present invention relates to a steering wheel that can prevent rattling of a horn pad.

0002

[Conventional technology]

For steering wheels with a center horn type horn switch, The horn pad is arranged above the central boss so that it can slide up and down, and the inside of the horn pad A horn switch is installed on the side. (For example, Utility Model Application Publication No. 60-182256 ) Then, by pressing down on the horn pad, the movable contact plate contacts the fixed contact plate, turning on the horn switch.

0003

[Problem that the idea aims to solve]

This type of steering wheel generally has multiple guides inside the horn pad. The guide legs are provided protrudingly, and support holes are provided on the boss side corresponding to each guide leg. The guide legs are slidably fitted into the support holes, and are urged upward by a leaf spring or the like. In this state, the horn pad is installed on the boss portion.

0004 The shape of the horn pad has been made larger for ease of operation, and Multiple supports so that the horn switch turns on easily no matter where you press down. A small gap is formed between the hole and the guide leg. For this reason, The pad rotates clockwise on a horizontal plane including that plane, with the center of the boss section as the approximate axis. There was a problem that it wobbled in the direction or counterclockwise.

[0005] This invention was made to solve the above problems, and the horn pad clock To provide a steering wheel that can prevent rattling in the direction or counterclockwise direction. aimed to.

[0006]

[Means to solve the problem]

For this purpose, the steering wheel of the present invention includes a ring portion having a coating layer; A boss section located at the center of the ring section and spoke sections that connect the boss section and the ring section. A steering wheel with a horn pad placed above a portion of the boss and spokes. In a ring wheel, the spoke part of the spoke part on the underside of the horn pad. Guide the spoke part core metal from both sides with a loose fit in the area that covers the core metal. The spoke part is provided with a protruding part, and a covering layer is formed around the spoke part core metal facing the guide part. configured.

[0007]

[Effect]

In the steering wheel configured as above, the lower part of the horn pad is Insert the spoke core metal from both sides in the area that covers the spoke core metal of the spoke. Since the guide part is protruded so as to be sandwiched in a loose fit, the horn pad On the horizontal plane including the surface, clockwise or counterclockwise with the center of the boss section as the approximate axis If the guide part comes into contact with the coating layer of the core metal of the spoke part, This prevents the horn pad from wobbling in the clockwise or counterclockwise direction.

[0008]

【Example】

Hereinafter, embodiments of the present invention will be described based on the drawings.

[0009] Figure 1 shows a partial front view of an automobile steering wheel, and Figure 2 shows its horn. 6 shows a rear view of the pad assembly H, and FIG. 6 shows a front view of the boss portion B thereof. steer The ring wheel consists of a ring part R, a boss part B located at the center of the ring part R, and a boss part B located at the center of the ring part R. The spoke part S connects the spoke part B and the ring part R. The horn pad assembly H is attached.

0010 For example, a ring core metal made of an aluminum tube is disposed in the ring portion R. A covering layer 1 made of synthetic resin such as soft urethane is formed around the core metal. This cover The covering layer 1 extends to a part of the spoke part S, and is attached to the guide part 1 of the horn pad 7, which will be described later. A thin coating layer 11 is also integrally molded on the base of the spoke core bar 2 facing the spoke parts 6 and 17. Ru.

[0011] As shown in FIG. 6, a steel boss 3 is provided in the center of the boss part B. A boss plate 4 connects the core metal 2 of each spoke part at the center while enclosing the The connecting part that connects the spoke part core metal and the spoke part core metal 2 is molded by die casting. .

0012 A lower cover made of synthetic resin is provided so as to surround the lower side of the boss part B and the spoke part S. 5 is attached, and on the lower cover 5 there is a shock energy absorber on the horn pad assembly side. In order to support the ghee absorber 8, three fixed legs 6 are provided in a protruding manner.

[0013] As shown in FIG. 2, the horn pad mounting body H has a horn inside the horn pad 7. It is constructed by attaching a switch mechanism and an impact energy absorber 8. Bend a metal plate On the top of the shock energy absorber 8 formed by A contact plate 9 is fixed, and a movable contact is mounted on the opposite horn pad 7 side. The top plate 10 is fixed (FIG. 4).

[0014] As shown in FIGS. 3 and 7, the impact energy absorber 8 is located inside the horn pad 7. The legs 14 and 15 protruding from the by a leaf spring 12 mounted on the impact energy absorber 8. Horn pad 7 is urged upward.

[0015] Furthermore, as shown in FIG. 2, a lower cover is provided at the bottom of the impact energy absorber 8. A fixing hole 8a is provided at a position corresponding to the fixing leg 6 on the lower cover 5. 6 is inserted into the fixing hole 8a (FIG. 7). Note that the horn pad assembly H is the boss. A part of the impact energy absorber 8 is attached to the boss plate 4 when it is installed on the part B. It is tightened and fixed by the fixing screw 13 (FIG. 3).

[0016] The horn pad 7 is formed into a shell shape with a two-layer structure of synthetic resin, for example. , a hard synthetic resin such as fiber-reinforced polypropylene is used as an insert, and a soft It is coated with urethane resin and molded.

[0017] Furthermore, the top of the spoke part core metal 2 of the spoke part S on the lower side of the horn pad 7 is Insert the guide portion 16 into the covered area so as to sandwich the spoke core metal 2 from both sides with a loose fit. , 17 are provided protrudingly, and a thin film is provided around the spoke part core bar 2 facing the guide parts 16 and 17. A thick covering layer 11 is formed.

[0018] In the steering wheel configured as above, the horn pad 7 is pressed down. When the horn pad 7 is pressed against the biasing force of the leaf spring 12, A movable contact that approaches the impact energy absorber 8 and is fixed to the lower side of the horn pad 7 contact plate 10 contacts fixed contact plate 9 on impact energy absorber 8 and the horn switch turns on.

[0019] In addition, a spoke part is provided at a location that covers the spoke part S on the lower side of the horn pad 7. Guide parts 16 and 17 are protruded so as to sandwich the core metal 2 from both sides with a loose fit. Therefore, the horn pad 7 has approximately the center of the boss portion on a horizontal plane including that plane. If the axis is to be moved clockwise or counterclockwise, the guide portion 16 , 17 correspond to the coating layer 11 of the spoke core metal 2, and the horn pad 7 is rotated clockwise or Counterclockwise rattling is prevented.

[0020] In addition, in the above embodiment, the impact energy absorber 8 was provided on the boss portion S. Of course, this invention can be applied to steering wheels that do not have impact energy absorbers. In this case, the horn pad has legs protruding from its underside that are attached to the lower It can be installed so that it can move up and down by fitting into the locking hole of the support part protruding from the cover side. I can do that.

[0021]

[Effect of the idea] As explained above, according to the steering wheel of the present invention, the horn pad Attach the spoke core metal to the area that covers the spoke core metal on the lower side of the spoke. The guide part protrudes from both sides with a loose fit, so the horn pad on a horizontal plane including that plane, clockwise or approximately with the center of the boss as the axis. If an attempt is made to move the guide counterclockwise, the guide part will close to the covering layer of the spoke core metal. This will prevent the horn pad from rattling clockwise or counterclockwise. It will be done. In addition, since a coating layer is formed around the core metal of the spoke part facing the guide part, Therefore, even if the guide part hits the coating layer of the core metal of the spoke part due to vibration etc., abnormal noise will not be generated. Not alive. Furthermore, under normal conditions, the coating layer of the guide part and the core metal of the spoke part is not in contact with each other. Therefore, it does not become a load when pressing the horn pad, and does not increase the pressing load. stomach.

[Brief explanation of drawings]

FIG. 1 is a partial front view of a steering wheel showing an embodiment of the present invention.

FIG. 2 is a rear view of the horn pad assembly H.

FIG. 3 is a sectional view taken along III-III in FIG. 2;

FIG. 4 is a sectional view taken along IV-IV in FIG. 4;

FIG. 5 is an enlarged cross-sectional view along V-V in FIG. 1;

FIG. 6 is a front view of the boss portion B. FIG.

FIG. 7 is a sectional view taken along line VII-VII in FIG. 1;

[Explanation of symbols]

R-ring part, B-boss part, S-spoke part, H-horn pad assembly, 2-spoke part core bar, 7-horn pad, 11-coating layer, 16, 17-guide part.

Claims (1)

[Scope of utility model registration request] 1. A ring portion having a coating layer, a boss portion disposed at the center of the ring portion, and spoke portions connecting the boss portion and the ring portion, wherein the boss portion and the spoke portion are connected to each other. In a steering wheel in which a horn pad is partially disposed above, the spoke part core metal is sandwiched from both sides with a loose fit at a location below the horn pad that covers the spoke part core metal of the spoke part. A steering wheel characterized in that a guide portion is provided in a protruding manner, and a coating layer is formed around the core metal of the spoke portion facing the guide portion.