JPH11348736A - Mirror with wiper for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mirror with a wiper for vehicle that can reduce working costs and parts costs and can facilitate assembling work. SOLUTION: A wiper driving source is built in an electric unit case 21 attached to a mirror housing, a mirror holder base 22 to which a link case 22c for holding a wiper driving link unit 25 is integrally formed is held by the electric unit case 21, a mirror holder 23 is held by the mirror holder base 22, and the surface of a mirror body 24 is wiped by a wiper 25 whose one end 26a is held by the wiper driving link unit 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mirror provided with a wiper for a vehicle having a wiper for wiping the surface of a mirror body.

[0002]

2. Description of the Related Art Conventionally, for example, as shown in FIG. 5, an electric unit case 1 mounted on a mirror housing (not shown), a mirror holder base 2 tiltably held by the electric unit case 1, and Mirror holder base 2
, A link case 4 mounted on the rear side of the mirror holder 3, a mirror body 5 held on the front side of the mirror holder 3, and a wiper driving link held on the mirror holder 3 Unit 6,
There is a mirror 8 with a wiper for a vehicle including a wiper 7 whose one end is held by a wiper drive link unit 6 so as to wipe the surface of the mirror body 5 (Japanese Patent Application No. 9-26).
No. 5558).

[0003] The wiper drive link unit 6 includes a rod 9 whose base end faces the electric unit case 1 and a rod 9.
A drive gear 10 mounted on the protruding end of the drive case 10, a driven gear 12 held by the mirror holder 3 via the shaft 11 and meshing with the drive gear 10, and a link case 4 via a cam shaft 13 coaxial with the shaft 11. A held circular cam 14, a link arm 16 having one end connected to an eccentric shaft 15 mounted across the driven gear 12 and the circular cam 14, and a link arm 1.
An arm-equipped disk 18 having an arm 18 a connected to the other end of the arm 6 via a connection shaft 17, and a wiper shaft 19 held by the arm-equipped disk 18.

When a wiper drive motor (not shown) provided in the electric unit case 1 is driven, the rod 9, the drive gear 10, and the driven gear 12 rotate simultaneously with the drive. Further, when the driven gear 12 rotates, the shaft 11
The eccentric shaft 15 orbits around the eccentric shaft 15, and the link arm 16 and the arm-equipped disk 18 connected to the eccentric shaft 15 convert the wiper shaft 19 into reciprocating rotary motion.

[0005] The wiper 7 has one end 7a
Are reciprocated by the reciprocating rotation of the wiper shaft 19 to wipe the surface of the mirror body 5.

On the other hand, the mirror 8 with the wiper for the vehicle has the link unit 6 for driving the wiper held across the mirror holder 3 and the link case 4. 4 is mounted on the mirror holder 3, and the mirror holder 3 is mounted on the mirror holder base 2 with the mirror holder base 2 mounted on the electric unit case 1.

[0007]

In the mirror 8 with the wiper for a vehicle constructed as described above, the wiper drive link unit 6 straddles the mirror holder 3 and the link case 4 as described above. Since the link case 4 is mounted on the mirror holder 3 at the same time as the assembling of the wiper drive link unit 6, the mounting of the link case 4 on the mirror holder 3 and the mirror of the mirror holder 3 are performed. This requires two work steps of mounting the holder base 2, which not only causes a problem that the working cost and the component cost rise, but also causes the mirror holder 3 to be hidden when the mirror holder 3 is mounted on the mirror holder base 2. It is difficult to insert the base end of the rod 9 into the electric unit case 1. .

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a mirror with a wiper for a vehicle, which can reduce work costs and parts costs and can easily perform an assembling operation. Aim.

[0009]

In order to achieve the above object, according to the first aspect of the present invention, there is provided an electric unit case which is mounted on a mirror housing and has a built-in wiper driving source, and which is held by the electric unit case. A mirror holder base integrally formed with a link case portion for holding a wiper drive link unit; a mirror holder held by the mirror holder base; a mirror body held by the mirror holder; and a surface of the mirror body And the wiper driving link unit includes a wiper having one end held.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a mirror with a wiper for a vehicle according to the present invention will be described with reference to the drawings.

In FIG. 1 and FIG. 2, a mirror 20 with a wiper for a vehicle includes an electric unit case 21 mounted on a mirror housing (not shown) and an electric unit case 2.
Mirror holder base 22 held to be tiltable to 1
A mirror holder 23 held by a mirror holder base 22; a mirror body 24 held on the front side of the mirror holder 23; a wiper drive link unit 25 driven and controlled by the electric unit case 21; And a wiper 26 whose one end is held by a wiper drive link unit 25 so as to wipe the surface of the wiper.

The mirror holder base 22 has a base portion 2 having a spherical projection 22a at the center for engaging with a mortar-shaped receiving portion 21a formed on the electric unit case 21.
2b and a link case portion 22c for holding the wiper drive link unit 25 are integrally formed. On the back of the mirror holder base 22, a total of three rods 27 whose bases face the inside of the electric case unit 21 are mounted. Further, the mirror holder base 22 is tiltably held by the electric case unit 21 via a substantially hemispherical joint member 28, a spring 29, and a screw 30 located in the protrusion 22 a with the rod 27 attached.

The wiper drive link unit 25 includes a rod 31 having a base end facing the electric unit case 21, a drive gear 32 mounted on a protruding end of the rod 31, and a screw shaft 33 so as to mesh with the drive gear 32. , A driven gear 34 and a circular cam 35 rotatably held by the link case portion 22c through a link arm 37 connected at one end to an eccentric shaft 36 mounted over the driven gear 34 and the circular cam 35. A disk 39 with an arm having an arm 39a connected to the other end of the link arm 37 via a connecting shaft 38;
And a wiper shaft 40 held by a disk 39 with an arm.

The specific configuration in the electric unit case 21, the tilting operation of the mirror holder base 22, and the specific configuration and operation of the wiper shaft 40 are described in Japanese Patent Application Nos. 9-26926 / 1997.
Since it is the same as that disclosed in No. 5558, its detailed description is omitted.

In the above configuration, when a wiper drive motor (not shown) provided in the electric unit case 21 is driven, the rod 31, the drive gear 32, and the driven gear 34 rotate simultaneously in conjunction with the drive. Further, when the driven gear 34 rotates integrally with the circular cam 35, the screw shaft 33
An eccentric shaft 36 orbits around the center, and a link arm 37 and an arm-equipped disk 39 connected to the eccentric shaft 36 convert the wiper shaft 40 into a reciprocating rotary motion.

The wiper 26 has one end 2 on a wiper shaft 40.
The wiper shaft 40 is reciprocated by the reciprocating rotation of the wiper shaft 40 to wipe the surface of the mirror body 24.

On the other hand, when the mirror 20 with the wiper for a vehicle is assembled, the joint member 28 and the spring 2
9. After the mirror holder base 22 is tiltably held by the electric case unit 21 via the screw 30,
The wiper drive link unit 25 is held by the link case portion 22c while the base end of the rod 31 faces the inside of the electric unit case 21.

Further, in this state, the mirror holder 23 is mounted on the base portion 22b and the link case portion 22c.

Therefore, the rod 31 is connected to the mirror holder 2
Before mounting the mirror holder 2 on the mirror holder base 22, the mirror holder 2 faces the inside of the electric unit case 21.
3 can be easily mounted.

The base 22b and the link case 2
Since the mirror holder 2c and the mirror holder 2c are integrally formed, the mounting operation of the mirror holder 23 to the mirror holder base 22 is completed in one process, and the assembling operation process can be reduced.

At this time, for example, as shown in FIG. 3A, a peripheral wall 23a is raised on the back surface of the mirror holder 23, and at the same time when the link case portion 22c is mounted on the peripheral wall 23 in a spigot form, As shown in FIG. 3B, the mirror holder base is formed by a one-touch operation of engaging an engaging claw 22d projecting from an outer wall of the link case portion 22c into an engaging hole 23c of an engaging rib 23b formed on the peripheral wall 23a. The mirror holder 23 can be mounted on the mirror holder 22.

By the way, as shown in FIG. 4, a link cover 41 is attached to the link case
By engaging the mirror holder 23 only with the b, it is possible to improve the holding effect of the wiper drive link unit 25 and the dustproof / waterproof effect. FIG.
In the following, the same components as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

[0023]

As described above, the mirror with a wiper for a vehicle according to the present invention is mounted on a mirror housing and has an electric unit case having a built-in wiper driving source.
A mirror holder base integrally formed with a link case portion held by the electric unit case and holding the wiper driving link unit; a mirror holder held by the mirror holder base; and a mirror body held by the mirror holder And a wiper whose one end is held by the wiper drive link unit so as to wipe the surface of the mirror main body, so that the working cost and the component cost can be reduced, and the assembling work is facilitated. Can be done.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a vehicle wiper mirror with a wiper mirror according to the present invention.

FIG. 2 is a longitudinal sectional view of the vehicle wiper mirror.

3A is a cross-sectional view of a vehicle wiper mirror, and FIG. 3B is an enlarged perspective view of a main part.

FIG. 4 is an exploded perspective view of a vehicle wiper mirror according to a modified example of the mirror with the vehicle wiper according to the present invention.

FIG. 5 is a longitudinal sectional view of a conventional vehicle wiper mirror.

[Explanation of symbols]

 Reference Signs List 20 mirror for vehicle with wiper 21 electric unit case 22 mirror holder base 22c link case 23 mirror holder 24 mirror body 25 wiper drive link unit 26 wiper 26a one end

Claims (1)

[Claims] 1. A mirror holder base integrally formed with an electric unit case mounted on a mirror housing and having a built-in wiper driving source, and a link case portion held by the electric unit case and holding a wiper driving link unit. A mirror holder held by the mirror holder base, a mirror body held by the mirror holder, and a wiper one end of which is held by the wiper drive link unit so as to wipe the surface of the mirror body. A mirror with a wiper for a vehicle, comprising: