JPH0449005Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an outside mirror device for an automobile.

[Conventional technology]

A conventional mirror device of this type will be explained with reference to FIGS. 8 and 9.

In the figure, a is a base whose proximal end is attached to a car door or fender, etc. A hemispherical convex part b is formed at the top end of the base, and a through hole c is formed in the center of the hemispherical convex part b.
has been established.

Reference numeral d denotes a mirror body that supports or adheres the mirror e, and this mirror body d has a concave spherical surface portion f formed at its base end, and a through hole g formed in the center of the concave spherical surface portion.

Then, the concave spherical surface part f of the mirror body d is externally fitted on the convex spherical surface h side of the hemispherical convex part b of the base a via the spherical washer i, and a hemispherical spring presser is attached to the inner surface j side of the hemispherical convex part b of the base a. k, insert the bolt l into the through holes c and g of the base a, mirror body d, spherical washer i, and hemispherical spring retainer k, and tighten the nut m onto the bolt l,
A compression spring n is interposed between the head of the bolt l and the hemispherical spring retainer k, and the hemispherical convex part b of the base a, the concave spherical part f of the mirror body d, the spherical washer i, and the hemispherical spring A spherical bearing is constituted by a presser foot k, a bolt l, a nut m, and a compression spring n.

The mirror device described above can adjust the field of view of the mirror e by rotating and tilting the mirror body d including the mirror e around the center of the spherical bearing.

[The problem that the idea attempts to solve]

However, in the conventional mirror device described above, the mirror body d is simply attached to the base a via a spherical bearing, so for example, as shown by the white arrow in FIG. When a load F is applied to the mirror body d, the mirror body d tilts downward (in the direction of the white arrow) about the center of the spherical bearing, causing problems in visual recognition from the rear and sides when the vehicle is running.

The present invention improves the problems of the prior art as described above, and provides a mirror device that is capable of adjusting the field of view and that can hold the mirror body horizontally even when a downward load is applied to the mirror body. The purpose is to provide

[Means to solve the problem]

In order to achieve the above objects, the present invention includes a base, a mirror body, a bracket attached to the mirror body, a hemispherical convex portion formed on the base, and a concave spherical surface portion formed on the bracket. In a mirror device comprising a spherical bearing consisting of a shaft and a spring that press-contacts and pivots the hemispherical convex portion and the concave spherical surface portion, engagement on a radius around the axis is provided on the outer periphery of the release side of the hemispherical convex portion. In addition to providing a groove, an engagement pin protruding in the horizontal axis direction is formed on the bracket, and the engagement pin is loosely fitted into the engagement groove so as to be rotatable about the shaft and the horizontal axis. .

[Effect]

Since the mirror device of the present invention has the above-mentioned configuration, it can rotate in the direction around the axis passing through the center of the spherical bearing (left and right direction) and in the direction around the axis (elevation direction) of the engagement pin protruding in the horizontal axis direction. Although the mirror can be tilted freely and the field of view of the mirror can be arbitrarily adjusted, rotation and tilting in other directions are restricted by the engagement pin and the engagement groove that engage with each other. As a result, the mirror body can be held against loads from the other directions mentioned above.

〔Example〕

Hereinafter, one embodiment of the mirror device according to the present invention will be described with reference to FIGS. 1 to 7.

In the figure, 1 is a base, and this base 1 has a hollow hemispherical convex portion 10 with a through hole 11 in the center, as shown in FIGS. 3 to 7.
An engagement groove 12 is provided on the outer periphery of the release side of the hemispherical convex portion 1.
It is provided in a substantially semicircular shape in the direction around the vertical axis V-V passing through the center O of 0. Further, a mounting plate portion 13 is integrally provided on the side opposite to the engagement groove 12 of the hemispherical convex portion 10,
A bolt 14 is installed in the mounting plate portion 13. The base 1 thus formed is attached to a car door, fender, etc. using the bolts 14 and nuts (not shown).

Reference numeral 2 denotes a mirror body, and this mirror body 2 has a boat-like shape, and a mirror 20 is adhered or supported in its opening.

Reference numeral 3 designates a bracket, and this bracket 3 has a concave spherical surface 30 formed at one end, a through hole 33 in the center of the concave spherical surface 30, and a center O of the concave spherical surface 30 below the concave spherical surface 30. The vertical axis passing through V-
Direction perpendicular to V (horizontal axis direction H-H)
A protruding engagement pin 31 is provided at the other end of the concave spherical surface portion 30, and a mounting plate portion 32 for attaching the mirror body is formed.

The concave spherical surface part 30 of the bracket 3 thus formed is fitted onto the hemispherical convex part 10 of the base 1, and the hemispherical spring presser 4 is fitted inside the hemispherical convex part 10 of the base 1. Pass the bolt 40 through the concave spherical surface 30 of the bracket 3 and the through holes 11, 33, 40 of the hemispherical spring retainer 4, tighten the nut 41 to the bolt 40, and place the compression spring 42 between the nut 41 and the hemispherical spring retainer 4. interposed between the hemispherical convex portion 10 of the base 1, the concave spherical surface portion 30 of the bracket 3, and the hemispherical spring retainer 4.
The bolt 40, nut 41, and compression spring 42 constitute a spherical bearing, and the engagement pin 31 of the bracket 3 is engaged with the engagement groove 12 of the base 1. Further, the mounting plate portion 32 of the bracket 3 is attached to the mirror body 2 with bolts 5 and nuts 50 along the axial direction H-H of the engagement pin 31.

6 is the mounting plate part 13 of the base 1 and the mirror body 2
It is a bellows inserted between the two.

Since the mirror device of the present invention has the above configuration, the mirror body 2 has the engaging pin 31 sliding around the vertical axis V-V passing through the center O of the spherical bearing, that is, in the engaging groove 12. The mirror 20 can be freely tilted and rotated in two directions: the left-right direction and the direction around the axis of the engagement pin 31 (elevating direction), and the rear and side visibility of the mirror 20 can be adjusted as desired.

Further, a load is applied to the upper part of the mirror body 2 in the direction of the white arrow in FIG. When F is applied, the engagement pin 31 on the mirror body 2 side comes into contact with the upper wall of the engagement groove 12 on the base 1 side, preventing the mirror body 2 from tilting downward and adjusting the horizontal position of the mirror body 2. Hold.

[Effect of idea]

As described above, the mirror device of the present invention can freely rotate and tilt in two directions: around the axis passing through the center of the spherical bearing and around the axis of the engagement pin protruding in the horizontal axis direction, and the mirror can be rotated and tilted in two directions. Although the field of view can be adjusted arbitrarily, rotation and tilting in other directions are limited by the engagement pin and engagement groove that engage with each other, and as a result, the mirror body is prevented from being subjected to loads from the other directions mentioned above. can be held against.

[Brief explanation of drawings]

1 to 7 show an embodiment of the mirror device according to the present invention, FIG. 1 is a partially cutaway front view, FIG. 2 is a partially cutaway plan view, and FIG. 3 is a base view. 4 is a sectional view taken along the line - in FIG. 3, FIG. 5 is a view taken along the V arrow in FIG. 4, and FIG.
The figure is a cross-sectional view taken along the line -- in FIG. 4, and FIG. 7 is a view taken along the arrow in FIG. FIG. 8 is a front view showing a conventional mirror device, and FIG. 9 is a sectional view taken along the line -- in FIG. DESCRIPTION OF SYMBOLS 1... Base, 10... Hemisphere convex part, 12... Engagement groove, 2... Mirror body, 20... Mirror, 3
... Bracket, 30 ... Concave spherical surface portion, 31 ... Engagement pin, 4 ... Hemispherical spring presser, 40 ... Bolt, 41 ... Nut, 42 ... Compression spring.

Claims (1)

[Scope of utility model registration request] A base, a mirror body, a bracket attached to the mirror body, a hemispherical convex portion formed on the base, a concave spherical surface portion formed on the bracket, and the hemispherical convex portion and concave spherical surface portion are pressed together and supported. In a mirror device equipped with a spherical bearing consisting of a spring and a shaft, an engagement groove is provided on the outer periphery of the release side of the hemispherical convex portion on a radius centered on the shaft, and the bracket is provided with an engagement groove protruding in the horizontal axis direction. What is claimed is: 1. A mirror device characterized in that an engaging pin is formed, and the engaging pin is loosely fitted into the engaging groove so as to be rotatable about the shaft and a horizontal axis.