JPS5917684Y2 - Structure of bearing support part of automobile sun visor - Google Patents

Description

[Detailed description of the invention] This invention relates to the structure of the bearing support part of an automobile sun visor.The purpose of this invention is to attach the sun visor to a position along the ceiling surface of the vehicle interior, except when the sun visor is used as a sunshade. To provide a structure of a bearing support part of a sun visor for an automobile, which can prevent rotational deviation of the sun visor due to vibrations caused by the running vibration of the automobile and obstruction of visibility due to rotational deviation of the sun visor. .

An embodiment of this invention will be described below with reference to the drawings.

In the L-shaped support shaft 1 that is attached above the windshield inside the vehicle interior, a horizontal shaft portion 2 has a predetermined position on the outer circumferential surface that cooperates with an auxiliary bearing 11 to be described later to prevent rotational deviation of the sun visor 4. The locking surface 3 is formed flat.

As shown in FIG. 2, the sun visor 4, which is rotatably mounted around the horizontal shaft portion 2 of the support shaft 1, has a cushioning material 6 having a built-in annular frame 5 along its periphery.
and an exterior skin 7 that covers the cushion material 6.

Furthermore, a bearing member 8 corresponding to the support shaft 1 is fixed to both ends 5A, 5A of the bone frame 5 and is built into the upper right part of the sun visor 4 in the figure.

The bearing member 8 is made of a metal plate that is bent in two, and as shown in FIG. A cylindrical bearing tube portion 9 into which the bearing tube can be inserted is formed.

A notch-shaped opening 10 is formed in the center of the bearing cylinder portion 9, slightly to the right in the drawing.

The auxiliary bearing 11, which is made of a band-shaped spring plate, is fitted into the opening 10 of the bearing cylinder part 9, and a part of the horizontal shaft part 2 is fitted concentrically with the bearing cylinder part 9, and elastically expands. A locking cylindrical portion 12 that is preferably C-shaped in cross section, and surface support pieces 13.13 that are formed at both ends of the C-shaped opening of the locking cylindrical portion 12 and that extend along the lower outer surface of the bearing member 8. It is integrally constituted by.

A locking surface 14 that engages in surface contact with the locking surface 3 of the horizontal shaft portion 2 is formed flat on the inner circumferential surface of the locking cylinder portion 12 of the auxiliary bearing 11 .

Then, when the sun visor 4 is rotated about the horizontal shaft portion 2 to a predetermined position along the ceiling surface of the vehicle interior, both of the locking surfaces 3 and 14 are arranged so that they come into surface contact and engage with each other. The arrangement positions of the locking surfaces 3 and 14 are set.

The lower part of the outer surface of the bearing member 8, which faces the lower part of the surface support piece 13.13 of the auxiliary bearing 11, has an insertion opening in the upper end opening into which the lower part of the surface support piece 13.13 is inserted from above. Fitting part 15 that restrains the lower part of the outer surface of the support pieces 13, 13
．． 15 is formed into a U-shape in plan section, as shown in FIG.

In the above configuration, the locking surface 3 of the horizontal shaft portion 2 of the support shaft 1
Then, when the sun visor 4 is rotated about the horizontal shaft part 2 against the engagement force due to surface contact with the locking surface 14 of the locking cylinder part 12 of the auxiliary bearing 11, the auxiliary bearing 11 is locked. Cylinder part 1
2 elastically expands as shown in FIG. 5, and both locking surfaces 3 and 1
4 is released, the sun visor 4 can then be rotated to any position with a predetermined torque.

That is, since the lower portions of the outer surfaces of the surface support pieces 13.13 of the auxiliary bearing 11 are restrained by both fitting portions 15.15 of the bearing member 8, a predetermined elastic force is applied to the locking cylinder portion 12 of the auxiliary bearing 11. is held, thereby locking cylinder part 12
A predetermined frictional force is generated between the horizontal shaft portion 2 and the horizontal shaft portion 2 .

When the sun visor 4 is not used as a sunshade, when the sun visor 4 is rotated in the opposite direction to the above and placed along the ceiling surface of the vehicle interior, the locking surface 3 of the horizontal shaft portion 2 and the locking tube portion 12 The sun visor 4 is locked and held in a position along the ceiling surface of the vehicle compartment.

That is, in this invention, a flat locking surface is formed on the outer peripheral surface of the horizontal shaft portion of the support shaft, while a locking surface of the horizontal shaft portion is formed on the inner peripheral surface of the locking cylinder portion of the auxiliary bearing. A locking surface that engages in surface contact is formed, and the locking surfaces are configured such that when the sun visor is rotated about the horizontal shaft portion to a position along the ceiling surface of the vehicle interior, both of the engaging surfaces engage with each other. The location of the locking surface has been set.

Therefore, the sun visor can be locked and held in a position along the ceiling surface of the passenger compartment by surface contact engagement between the locking surface of the horizontal shaft portion of the support shaft and the locking surface of the locking cylinder portion of the auxiliary bearing. This makes it possible to prevent inadvertent rotational deviation of the sun visor and obstruction of visibility due to rotational deviation of the sun visor.

Particularly, in this invention, surface support pieces are formed along the lower outer surface of the bearing member at both ends of the C-shaped opening of the locking cylinder portion of the auxiliary bearing, while the bearing member faces the lower part of these surface support pieces. A fitting part was formed at the lower part of the outer surface of the support piece, the upper end opening having an insertion opening into which the lower part of the support piece was inserted from above, and which restrained the lower part of the outer surface of the surface support piece.

Therefore, when assembling the auxiliary bearing at a predetermined position of the bearing member, the locking cylinder part of the auxiliary bearing is fitted into the notch-shaped opening formed in the bearing cylinder part of the bearing member, and
By inserting the lower part of the surface support piece of the auxiliary bearing from above the insertion opening of the fitting portion of the bearing member, the auxiliary bearing can be easily and quickly assembled to the bearing member.

Furthermore, by restraining the lower part of the outer surface of the surface support piece by the fitting part, when the locking cylinder part of the auxiliary bearing expands elastically, a large spring force can be applied to the locking cylinder part, Inadvertent rotational displacement of the sun visor can be better prevented.

Moreover, according to this invention, since the fitting part is formed integrally with the bearing member, the lower part of the outer surface of the surface support piece of the auxiliary bearing can be restrained without using fastening members such as clips or screws. This has the effect of simplifying the structure by reducing the number of parts.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention. Figure 1 is a side view showing the sun visor attached to the vehicle body, Figure 2 is a front view with the sun visor partially cut away, and Figure 3 is the bearing. An enlarged front view of the support part, FIG. 4 is taken from IV-IV in FIG. 3.
5 is a cross-sectional view showing a state in which the locking cylinder portion of the auxiliary bearing is elastically expanded, and FIG. 6 is a cross-sectional view taken along the line ■I-vI of FIG. 3.

Claims (1)

[Scope of utility model registration request] An L-shaped support shaft that supports the sun visor, a bearing member that is built into the sun visor and has a bearing cylinder part on the upper part into which the horizontal shaft part of the support shaft is fitted, and a notch in the bearing cylinder part of the bearing member. a C-shaped cross section that is elastically expandable and is fitted into the opening formed in the shape and is concentric with the bearing cylinder part, into which a part of the horizontal shaft part of the support shaft is fitted; A structure of a bearing support part of an automobile sun visor mainly consisting of an auxiliary bearing having a stopper part on the upper part,
A locking surface is formed flat on the outer peripheral surface of the horizontal shaft portion of the support shaft, while a locking surface is in surface contact with the locking surface of the horizontal shaft portion on the inner peripheral surface of the locking cylinder portion of the auxiliary bearing. Further, when the sun visor is rotated about the horizontal axis portion to a position along the ceiling surface of the single room, these locking surfaces are formed such that both of the locking surfaces engage with each other when the sun visor is rotated about the horizontal axis portion to a position along the ceiling surface of the single room. In addition, both support pieces are formed along the lower outer surface of the bearing member at both ends of the C half-opening of the locking cylinder portion of the auxiliary bearing. At the lower part of the outer surface of the bearing member facing the lower part, there is a fitting part that has an insertion opening in the upper end opening into which the lower parts of both the support pieces are inserted from above, and that restrains the lower parts of the outer surfaces of both the support pieces. A structure of a bearing support part, characterized in that it is formed integrally with the bearing member.