JPH0357557Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Technical Field of the Invention> The present invention relates to a door mirror for an automobile, particularly a shock-absorbing door mirror for an automobile that is rotatably supported on a mirror housing provided with a unit bracket for attaching a power unit. It is related to.

<Prior art and its problems> Conventionally, as shown in FIGS. 4 to 6, this type of automobile door mirror has a mirror housing 2 in which a unit bracket 4 is installed, and a vertical mirror having a fixing portion 11a to the vehicle body. A base 1 integrally equipped with a horizontal wall 12 that rotatably supports a mirror housing 2 via a wall 11 and a unit bracket 4, a bearing 41 to the base 1, a mounting portion 42 to the mirror housing 2, and a power source. A unit bracket 4 in which a mounting portion 43 of the unit 5 is integrally formed, and a power unit 5 attached to the unit bracket 4.
and a mirror 3 which is adjustable and held by the power unit 5. These are cylindrical bearings 12 protruding from the horizontal wall 12 of the base 1.
a and a protrusion 12b formed radially around the bearing 12a, a cylindrical bearing 41 formed at the lower edge of the unit bracket 4 on the base 1 side, and a recess radially formed around the bearing 41. 44, the shaft 8 is passed through the two bearings 12a and 41, the spring 9 is wound around the shaft 8,
The unit bracket 4 is held in rotatable pressure contact with the base 1 by the biasing force of the spring 9, and then the mirror housing 2 is placed over the unit bracket 4 from the side of the base 1, and the mirror housing 2 of the unit bracket 4 is attached. The unit bracket 4 is disposed within the mirror housing 2 by fixing the mounting portion 42 to the mirror housing 2 and the boss 21 of the mirror housing 2 to the screw 22.

Next, the power unit 5 is attached to the mirror housing by fixing the power unit 5 with a screw 51 to the mounting part 43 of the unit bracket 4 disposed inside the mirror housing 2 which is rotatably supported on the base 1. It is installed inside 2. Finally, the mirror 3 is pivotally attached to the power unit 5 so as to be freely adjustable.

Note that 52 is a code leading to a switch (not shown) for driving the power unit 5.

However, in such a conventional example, it is difficult to attach the unit bracket 4 which rotatably supports the mirror housing 2 to the base 1 and the mirror housing 2, and to attach the power unit 5 to the unit bracket 4.
The installation of the separately configured mounting parts 42, 43
Since the mounting process is performed by two steps, not only the number of man-hours increases, but also the unit bracket 4 becomes larger, which increases the material cost. In particular, the unit bracket 4 uses expensive die-casting because it is necessary to reliably support the mirror housing 2 on the base 1, and as a result, the material cost rises significantly, increasing product costs and reducing competitiveness. Problems such as these are arising.

<Purpose of the invention> In view of the above-mentioned circumstances, the present invention rotatably supports the mirror housing 2 on the base 1, reduces the size and weight of the unit bracket 4 for mounting the power unit 5 inside the mirror housing 2, and further improves the size and weight of the unit bracket 4. The object of the present invention is to provide a door mirror for an automobile that is smaller and lighter in cost by reducing the number of assembly steps required.

<Structure of the invention> A mirror housing, a unit bracket fixed in the mirror housing, a power unit that adjustably holds the mirror, a power unit attached to the unit bracket, and a power unit that rotates the mirror housing via the unit bracket. a base that can be pivotally supported, a bearing that is pivotally supported on the base and a mounting plate of the power unit are integrally formed in the unit bracket, and the power unit has a mounting hole located on one side thereof. and a mounting hole located on the opposite side of the mounting hole, and the power unit mirrors the unit bracket via a mounting portion provided on the base side of the mounting plate through the mounting hole located on the one side. It is characterized in that it is fastened together with the housing and is directly fixed to the mirror housing through the mounting hole on the opposite side.

<Embodiment of the invention> Hereinafter, an embodiment of the invention will be described in detail with reference to the accompanying drawings. Note that structures similar to those of the conventional example will be described with the same reference numerals.

FIG. 1 is a front view showing a door mirror for an automobile according to the present invention, FIG. 2 is a sectional view taken along the line AA in FIG. 1, and FIG. 3 is an exploded perspective view showing the outline of the present invention.

The automobile door mirror includes a vertical wall 11 having a fixing portion 11a to the vehicle body on the back side, a cylindrical bearing 12a protruding toward the mirror housing 2, and the bearing 1.
A base 1 is integrally formed into an L-shape with a horizontal wall 12 having protrusions 12b radially projecting around the periphery of the base 1, and a vertical wall 45 corresponding to the vertical wall 11 is provided on the opposite side of the base 1. Along with forming the vertical wall 45
Mounting plate 4 of power unit 5 extending laterally from
6, a unit bracket 4 having a bearing 41 on the lower edge of the vertical wall 45, and a bent portion 47 having a recess 44; , a mounting boss 22c for co-tightening the power unit 5 and the unit bracket 4, a mounting boss 22a for directly fixing the power unit 5, and a mounting boss 22b for mounting the unit bracket 4 and the mirror housing 2 on the back wall part 2.
3, a mounting hole 53a to the unit bracket 4 corresponding to the mounting plate 46 and the back wall 23, a mounting hole 53b for jointly fastening the unit bracket 4 to the mirror housing 2, and the mounting hole 53a, A mounting hole 53c that is directly fixed to the mirror housing 2 provided on the opposite side (outside the vehicle body) of 53b.
The power unit 5 includes a power unit 5, and a mirror 3 which is adjustable and pivoted to a pivot 54 of the power unit 5. Note that 52 is a drive cord for the power unit 5, which is connected to a switch (not shown) inside the vehicle body.

Next, to explain the main parts of the present invention in detail, the unit bracket 4 has a mirror housing 2 on the base 1 side.
The vertical wall 45 that closes the opening 22 for insertion of the vertical wall 4
The power unit 5 extends almost vertically from the middle of the power unit 5.
A mounting plate 46 having a mounting portion 43 and the vertical wall 45
and a cylindrical bearing 41 formed on the lower edge of the mounting plate 46.
A bent part 47 having a recess 44 formed radially from the bearing 41 is provided, and the mounting plate 46 has a mounting hole into which a mounting part 53a on the base 1 side of the power unit 5 is directly screwed and fixed with a screw 51. 43a
and a mounting hole 43b for fastening the power unit 5 to the mirror housing 2 together with the unit bracket 4.
is drilled. A mounting hole 43c for the unit bracket 4 to the mirror housing 2 is formed obliquely below the mounting hole 43b on the base 1 side. Further, on the inner surface of the back wall 23 of the mirror housing 2, on the base 1 side, the mounting boss 22b of the unit bracket 4, the mounting boss 22c for jointly fastening the power unit 5 with the unit bracket 4, and the unit bracket 5 are directly mounted with screws 51. A boss 22a is formed.

The base 1, the mirror housing 2 of the power unit 4, and the power unit 5 configured as described above.
and mirror 3 are assembled as follows.

First, the cylindrical bearing 41 and recess 44 of the unit bracket 4 are placed on the cylindrical bearing 12a and protrusion 12b protruding from the horizontal wall 12 of the base 1, and the bearings 12a and 41 are formed. The shaft 8 is inserted from below into the inserted through holes 41a and 12c, and the unit bracket 4 is rotatably held in pressure contact with the base 1 by the spring 9. after that,
Insert the mirror housing 2 from the side of the unit bracket 4 and from the direction of the opening 22, cover the unit bracket 4, and connect the mounting portion 43c of the unit bracket 4 and the mounting boss 22 of the mirror housing 2.
b, and then arrange the unit bracket 4 in the mirror housing 2, and connect the base side mounting hole 53a of the power unit 5 directly to the mounting plate 46 of the disposed unit bracket 4 with the screw 51. At the same time, the power unit 5 is screwed together with the unit bracket 4 to the housing 2 through the mounting hole 53b using the screw 51.
Further, the mirror housing 2 is directly fixed to the mounting boss 22a by the screw 51 through the mounting hole 53c, and finally the mirror 3 is pivotably mounted to the pivot 54 of the power unit 5 disposed on the unit bracket 4 so as to be freely adjustable.

<Effects of the invention> Since the present invention has the above-described configuration, the following effects can be obtained.

1. Since the unit bracket and the housing are attached at the same time as the power unit is attached to the unit bracket after they are temporarily fastened, the number of assembly steps can be reduced and the assembly cost can be lowered.

2. Since only the base side of the power unit is fixed to the unit bracket, and the opposite side is directly fixed to the mirror housing, the unit bracket only forms the mounting part for the power unit on the base side, so the unit bracket can be made smaller. This reduces material costs.

3. By downsizing the unit bracket, the entire door mirror becomes smaller and lighter, which is advantageous in terms of vibration characteristics, etc.

[Brief explanation of the drawing]

Fig. 1 is a front view showing the automobile door mirror of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, Fig. 3 is an exploded perspective view showing the outline of the invention, and Fig. 4 is a conventional one. FIG. 5 is a front view showing an example, FIG. 5 is a cutaway view of a main part of a conventional example, and FIG. 6 is an exploded perspective view schematically showing the conventional example. 1...Base, 2...Mirror housing, 3...
...Mirror, 4...Unit bracket, 5...Power unit.

Claims (1)

[Scope of utility model registration request] A mirror housing, a unit bracket fixed within the mirror housing, which holds the mirror in an adjustable manner, a power unit attached to the unit bracket, and a power unit which rotatably supports the mirror housing via the unit bracket. a base, a bearing rotatably supported by the base and a mounting plate of the power unit are integrally formed in the unit bracket, and the power unit has a mounting hole located on one side thereof; and a mounting hole located on the opposite side, and the power unit is configured to co-fasten the unit bracket to the mirror housing through the mounting hole located on the one side through a mounting portion provided on the base side of the mounting plate. An automobile door mirror is also characterized in that it is directly fixed to the mirror housing through a mounting hole on the opposite side.