JPH0995180A - Door mirror for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize not only weight reduction but common use of parts. SOLUTION: A base member 21 is fixed to a vehicle body, a mirror housing 23 is rotationally supported with the base member 21 through a rotationally moving shaft unit 22, and a mirror main body 25 is rotationally movably held with the mirror housing 23 through a mirror holding unit 24 independent of the rotationally moving shaft unit 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door mirror in which a mirror housing is rotatably supported by a base member fixed to a vehicle body and a mirror body is rotatably held in the mirror housing.

[0002]

2. Description of the Related Art Conventionally, a vehicle door mirror is generally composed of a base member fixed to a vehicle body, a mirror housing held by the base member, and a mirror body held by the mirror housing.

The mirror housing is pivoted on the base member so that the longitudinal direction of the mirror housing can be switched between a use state in which the longitudinal direction extends along the left-right direction of the vehicle body and a stored state in which the longitudinal direction extends along the vehicle longitudinal direction during parking. It is pivotally supported.

The mirror body is rotatably held in the mirror housing so that the angle of the mirror surface, that is, the viewing direction can be arbitrarily changed according to the position of the driver's seat, the physique of the driver, and the like.

On the other hand, in such a vehicle door mirror, there are two types, that is, rotation of the mirror housing with respect to the mirror base is performed manually by the mirror housing and electrically by a switch and a motor. The rotation of the main body with respect to the mirror housing is manually performed, the wire type is performed by moving a plurality of wires forward and backward by the operation of the operation rod projecting to the inside of the room, and the switch is electrically driven by a motor. There are three types.

In FIG. 3, among these various types, the switching between the use state and the storage state is manually performed, and the switching of the visual recognition direction is performed by a wire type (for example, Jikken 3-27).
879).

In FIG. 4, a vehicle door mirror 1
Is a base member 2 fixed to a vehicle body (not shown), a mirror housing 4 rotatably supported by the base member 2 via a connecting unit 3, and a mirror main body rotating member supported by the mirror housing 4 via the connecting unit 3. And a mirror body 5 that is movably held.

The connecting unit 3 includes a fixed shaft 7 fixed to the base member 2 via screws 6, 6 ..., and a die-cast main bracket 9 fixed to the mirror housing 4 via screws 8, 8 ... A sub-bracket 10 made of resin for covering the main bracket 9, a mirror body base 11 rotatably connected to the sub-bracket 10, and a mirror body 12 detachably attached to the mirror body base 11. .

The main bracket 9 is integrally formed with a tubular portion 9a into which the shaft portion 7a of the fixed shaft 7 is inserted. A washer 13 is fitted to the tip of the inserted shaft portion 7a.

A spring 14 is provided between the washer 13 and the main bracket 9, and the suction ring 1
The main bracket 9 is attached to the base member 2 by the urging force of 4.
The mirror housing 4 is held via the shaft portion 7
It will rotate about a as a fulcrum.

Further, the main bracket 9 has a projection 9b which engages with a wire pressing body 16 having a spring 15 therein.
Are protruded and a plurality of wires 18, 18 ... Extending from the operating rod 17 are engaged with the wire pressing body 16 so that the tension of the spring 15 acts and the wires 18, 18
The tension of ... is maintained. The other ends of the wires 18, 18 are fixed to the connecting plate 19, so that the mirror body base 11 is held by the sub-bracket 10.

On the other hand, the mirror body 5 held by the mirror body 12 includes the mirror body 12 and the mirror body base 1.
1 is held in the mirror housing 4 by being fitted to the mirror housing 4, and a spherical concave portion 10a formed on the surface of the sub-bracket 10 and a spherical portion (not shown) protruding from the rear surface of the mirror body base 11 are ball joints. It is possible to rotate with the engaging portion as a fulcrum by engaging with each other by a system, and each wire 18, 1 interlocked with the operation of the operating rod 17
The mirror body base 11 is rotated with respect to the sub-bracket 10 by the forward / backward movement of 8.

[0013]

In the vehicle door mirror 1 configured as described above, in order to hold the mirror housing 4 on the base member 2, both the fixed shaft 7 and the sub-bracket 10 are used. Since the main bracket 9 in a fixed relationship is used as a main connecting bracket, not only is the die-cast main bracket 9 increased in size and weight, but also the left and right sides of the vehicle body, the housing method for the mirror housing (manual / electric), It is necessary to mold different ones for each of the rotation methods (manual, wire, electric) of the mirror main body 5, which causes problems such as soaring costs of product molding costs and management costs, and deterioration of work efficiency. It was

The present invention has been made in view of the above circumstances, and not only is it possible to realize weight reduction, but also
It is an object of the present invention to provide a vehicle door mirror that can realize shared parts.

[0015]

In order to achieve the object, in the invention described in claim 1, a base member is fixed to a vehicle body, and a mirror housing is rotatable on the base member via a rotation shaft unit. The mirror main body is rotatably supported by the mirror housing via a mirror holding unit independent of the rotary shaft unit.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a vehicle door mirror according to the present invention will be described with reference to FIGS.

In FIG. 1, a vehicle door mirror 20 is
Via a base member 21 fixed to a vehicle body (not shown), a mirror housing 23 pivotally supported by the base member 21 via a rotary shaft unit 22, and a mirror holding unit 24 independent of the rotary shaft unit 22. A mirror body 25 rotatably held in the mirror housing 23 and a mirror operation unit 26 for adjusting the viewing direction of the mirror body 25 are provided.

A tongue portion 21b having a substantially horizontal rotation reference surface 21a is projected from the base member 21, and a recess 21c is formed in the rotation reference surface 21a.

The rotating shaft unit 22 includes a fixed shaft 27 and a fixed shaft 2 which are fixed to the tongue portion 21b via screws (not shown).
7, a bracket 28 through which a shaft portion 27b erected from the base 27a is inserted, a plurality of positioning balls 29, 29 ... Positioned between the fixed shaft 27 and the bracket 28, and fitted to the tip of the shaft portion 27ba. It includes a washer 30 to be worn, and a spring 31 provided between the bracket 28 and the washer 30.

The base 27a of the fixed shaft 27 is the base 27a.
engaged with a recess 21c having the same depth as the thickness of a,
As a result, the fixed shaft 27 is positioned on the base 21, and at the same time, the surface of the base 27a becomes flush with the rotation reference surface 21a. Further, spherical positioning recesses 27d, 27d ... With which the balls 29 are engaged are formed on the surface of the base 27a. Further, in the shaft portion 27b of the fixed shaft 27, as shown in FIG. 2, a wire through hole 27e is formed in the center thereof along the axis.

A screw 32 is attached to the base 28a of the bracket 28.
The mirror housing 23 is fixed via. Base 28
A wall portion 28b that surrounds the spring 31 and projects toward the inside from the bottom opening 23a of the mirror housing 23 is projected on one side portion of a. A holding protrusion 28c is formed on the other side of the base 28a so as to stand upright above the wall 28 in an inclined state. Furthermore, the base 28a
A ball holding recess 28d for holding the ball 29 in a rollable manner is formed on the lower surface of the.

On the rear wall of the mirror housing 23, a plurality of screw leg portions 23b, 23b ... Are projected toward the open end.

The mirror holding unit 24 includes a screw leg portion 23.
A base bracket 34 fixed to the mirror housing 23 by a screw 33 screwed to b, 23b ... And a mirror body 35 held by the base bracket 34 are provided.

On the base 34a of the base bracket 34,
A plurality of screw insertion holes 34b, 34b, ...
Wire through-holes 34c, 34c ... Which are located at equal points are formed. Further, a cylindrical protrusion 34d is provided in a substantially central portion of the base 34a, and a semispherical concave portion 34e is formed on an end surface of the cylindrical protrusion 34d.

The mirror body 35 is provided with a rear wall 35b protruding rearward (toward the mirror housing 23) from substantially the center of the base 35a. A hemispherical projection 35c that projects further rearward and engages with the recess 34a is projected at approximately the center of the rear wall 35b. Further, in the rear wall 35b, when the hemispherical projection 35c is engaged with the recess 34a, the wire holding holes 35d, 3 facing the wire through holes 34c, 34c.
5d, and screw through holes 35e, 35e, which face the screw insertion holes 34b, 34b. further,
An engagement portion 35f for holding the mirror body 25 is formed on the peripheral portion of the base 35a.

Although the mirror body 35 in this embodiment is one in which the functions of the mirror body base 11 and the mirror body 12 shown in the prior art are integrated, it may be a separate body as in the prior art. .

The mirror operation unit 26 includes the base member 2
1 is fixed to the guide member 36, the operating rod 37 is rotatably held in a state where the hemispherical portion 37a is in contact with the guide member 36, and the operating rod 37 is tilted about the hemispherical portion 37a. Three wires 38, 38, which are installed between the operating rod 37 and the mirror body 35 so that the mirror body 25 rotates with respect to the mirror housing 23, and each wire 3.
8 to guide the wire 8 independently, the wire pressing body 39 held by the holding projection 28c, the spring 40 which is housed in the wire pressing body 39 and tensions the wire 38, and the through hole 39a formed in the wire pressing body 39. And holding protrusion 28c
An engaging pin 41 penetrating a through hole 28e formed in the rear end of the wire 38, and an end fitting member 42 (see FIG. 2) fitted with the extended end of the wire 38 penetrating the wire holding hole 35d from the back side. By wearing the mirror body 35, the mirror body 35 is rotatably held by the base bracket 34.

In this structure, when the vehicle door mirror 20 is assembled, the fixed shaft 27 is fixed to the base member 21 with screws, and the shaft portion 27 of the fixed shaft 27 is fixed.
The b is inserted into the bracket 28 holding the ball 29, and the mirror housing 23 is fixed to the bracket 28 with the screw 32.

Next, the spring 31 is coaxially provided on the outer periphery of the shaft portion 27b, and then the washer 30 is fitted to the shaft portion 27b, whereby the base 21 holds the mirror housing 23.

Further, after inserting the wire pressing body 39 into which the spring 40 has been inserted into the holding projection 28c, the spring 4
The through hole 39a of the wire pressing body 39 and the through hole 28e of the holding projection 28c are aligned with each other against the bias of 0, and the engaging pin 4
1 is penetrated through the through holes 39a and 28e to temporarily hold the wire pressing body 39 on the holding projection 28c.

Further, after fixing the guide member 36 to the base 21, the free end portion of the wire 38 is fixed to the mirror housing 23 via the guide member 36, the wire through hole 27e, and the wire pressing body 39, before being fixed to the base bracket 34. Wire through hole 34c and the wire holding hole 3 of the mirror body 35
Penetrate 5d.

In this state, the base bracket 34 is fixed to the mirror housing 23 with the screw 33. At this time, screw 3
3 makes the base bracket 34 by the screw 33 even though the mirror body 35 is located on the front surface side of the base bracket 34 by penetrating the screw through hole 35e.
Can be fixed to the mirror housing 23.

Finally, after the middle part of the wire 38 is stretched over the wire pressing body 39 in a tensioned state, the free end of the wire 38 is fitted with the end fitting member 42 to prevent the wire 38 from coming off. When the engaging pin 41 is pulled out in this state, the wire holding body 39 strengthens the tension state of the wire 38 by the urging of the spring 40, whereby the base bracket 34 is held by the mirror body 35 and at the same time the operating rod 37 is held. Is held by the guide member 36, and in this state, the mirror body 35 holds the mirror body 25.

The wire pressing body 39 is attached to the free end portion of the wire 38 with the wire 38 being suspended.
Since it suffices that the engaging pin 4 is fixed at a fixed position against the bias of the spring 40 until it is fitted,
Structures other than 1 are not limited to the above-described embodiment, for example, a concave portion and a convex portion that engage with each other by the holding protrusion 28c and the wire pressing body 39, or an engaging claw and an opening. Further, the insertion relationship (inlay relationship) between the wire pressing body 39 and the holding projection 28c may be reversed.

When the angle of the mirror body 25 is to be variably manipulated, when the operating rod 37 is picked up and rotated in an appropriate direction, any wire 38 is pulled or pushed out depending on the rotating direction. Yes (moves back and forth)
As a result, the mirror body 35 has the recess 34e and the hemispherical projection 35.
It is rotated about the engaging portion of c as a fulcrum, and the mirror body 25 is tilted in conjunction with this.

On the other hand, the vehicle door mirror 20 shown in FIGS. 1 and 2 is on the right side of the vehicle body, but as shown in FIG. 3, the rotary shaft unit 22 is directly attached to the vehicle door mirror 20 'on the left side of the vehicle body. Can also be applied.

At this time, as the base 21 'and the mirror housing 23', the one on the right side of the vehicle body cannot be adopted. Also, the shape of a typical vehicle door mirror is
Since the mirror body 35 cannot be shared between the left and right sides of the vehicle body because it is determined by its air resistance characteristics and design, the screw insertion hole 34b and the wire through hole 34c are the same circle for the base bracket 34. If the function can be satisfied by forming at three circumferentially divided points or at four symmetrical positions, it can be shared by the left and right sides of the vehicle body.

Further, the rotary shaft unit 22 can be of the wire type even if it is of a manually retractable type and the angle of the mirror body 25 is manually adjusted. At this time, the wire pressing body 39 and the spring 40 are not attached to the bracket 28.

Moreover, even in the case where the angle adjustment of the mirror body 25 is performed electrically, the wire 3 is driven by the motor.
The rotating shaft unit 22 described above can be shared as long as the mirror main body 25 can be rotated via a unit corresponding to 8. Also at this time, the wire pressing body 39 and the spring 40 are not attached to the bracket 28.

Thus, the vehicle door mirror 2 of the present invention.
In No. 0, the member corresponding to the conventional main bracket 9 is divided into the rotary shaft unit 22 and the mirror holding unit 24, so that there is no portion for connecting the bracket 28 and the base bracket 34, which is simple, lightweight and small. Not only can it be configured as described above, but also parts can be shared between the left and right sides of the vehicle body and between vehicle types.

[0041]

As described above, in the vehicle door mirror of the present invention, the base member is fixed to the vehicle body, and the mirror housing is rotatably supported on the base member via the rotation shaft unit. Since the mirror main body is rotatably held in the mirror housing through the mirror holding unit independent of the turning shaft unit, not only weight saving can be achieved but also sharing of parts can be achieved. Can be realized.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a main part of a vehicle door mirror according to an embodiment of the present invention.

FIG. 2 is likewise a front view of the door mirror with a part cut away in a state where the mirror body is removed.

FIG. 3 is an exploded perspective view of a main part of the vehicle body opposite to the vehicle door mirror disclosed in FIG.

FIG. 4 is an exploded perspective view of a main part of a conventional vehicle door mirror.

[Explanation of Codes] 20 ... Door mirror for vehicle 21 ... Base member 22 ... Rotating shaft unit 23 ... Mirror housing 24 ... Mirror holding unit 25 ... Mirror body

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshihiro Kaneko 80 Itado, Isehara City, Kanagawa Ichihara Industrial Co., Ltd. Isehara Factory

Claims (2)

[Claims] 1. A base member is fixed to a vehicle body, a mirror housing is rotatably supported by the base member via a rotary shaft unit, and a mirror holding member independent of the rotary shaft unit is held in the mirror housing. A vehicle door mirror, wherein a mirror body is rotatably held via a unit. 2. A wire rod extending from the base member to the mirror holding knit is provided, and a pressing body for elastically contacting the middle portion of the wire rod to maintain the tension is provided in the mirror holding unit. The vehicle door mirror according to claim 1, wherein the door mirror is a vehicle door mirror.