JPH09207666A - Motor-driven storing and manual mirror surface adjusting type mirror device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable manual mirror surface adjustment and motor-driven storage and return. SOLUTION: Shaft members 2, 3 are fitted to a bracket 1 through a pivot mechanism and a guide mechanism in such a manner as to turn on a longitudinal axis X-X passing the center O of the pivot mechanism and a transversal axis Y-Y, a mirror assembly 4 is supported on the shaft members 2, 3, and a motor 5 and a reduction mechanism 50 are interposed between the mirror assembly 4 and the shaft members 2, 3. Accordingly, the mirror surface of the mirror assembly 4 can be adjusted in the lateral direction round the longitudinal axis X-X and in the vertical direction round the transversal axis Y-Y, and the mirror assembly 4 can be turned to be displaced between the working position and the storage position through the reduction mechanism 50 by driving the motor.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mirror device as an external rearview mirror mounted on, for example, a door or a fender of an automobile, and more particularly to manually adjusting a mirror surface of a mirror assembly in a horizontal direction and a vertical direction. The present invention relates to an electrically-operated retractable / manual-mirror-adjustable mirror device that can be retracted and can be electrically retracted and restored.

[0002]

2. Description of the Related Art As a mirror device of this type, a mirror device for manually adjusting the mirror surface of a mirror assembly in the left and right direction and an up and down direction, and manually storing and returning the mirror assembly, and a mirror device for remote control. Adjust the mirror surface of the assembly left and right and up and down, or store the mirror assembly electrically.
There is a mirror device that restores it.

[0003]

However, conventionally, no mirror device has been developed which manually adjusts the mirror surface of the mirror assembly in the left-right direction and the up-down direction, and electrically stores and returns the mirror assembly.

It is an object of the present invention to manually adjust the mirror surface of the mirror assembly in the left-right and up-down directions, and to electrically retract and restore the mirror assembly by electric storage and manual mirror surface adjustment. To provide a mirror device.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a bracket with a pivot mechanism and a guide mechanism so that a shaft member rotates around a vertical axis which is a shaft axis passing through the center of the pivot mechanism. Is rotatably mounted around a horizontal axis passing through the center of the pivot mechanism and orthogonal to the vertical axis, and the mirror assembly is supported by the shaft member so as to be manually mirror-adjustable. A motor and a reduction mechanism are interposed between the shaft member and the shaft member.

As a result, the electrically retractable and manual mirror surface adjustment type mirror device of the present invention can manually adjust the mirror surface of the mirror assembly in the horizontal direction about the vertical axis and in the vertical direction about the horizontal axis. Further, by driving the motor, the mirror assembly can be rotationally displaced between the use position and the storage position via the speed reduction mechanism.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of an electric retractable / manual mirror surface adjusting mirror device of the present invention will be described below with reference to the accompanying drawings. In this example, as shown in FIG. 1, a door mirror mounted on a door D of an automobile C will be described.

In the figure, reference numeral 1 is a bracket made of, for example, die casting. This bracket 1 is shown in FIGS.
As shown in FIG. 2, a vertical fixed plate portion 10 having an oval shape,
A mounting portion 11 that is horizontally integrally projected from the lower end portion of one surface of the fixing plate portion 10, and a spherical washer 13 made of, for example, synthetic resin, fixed to the upper surface of the mounting portion 11 (see FIGS. 12 to 16). ), And consists of. The fixed plate portion 10 of the bracket 1 is mounted on the automobile C via the mirror base 12.
The bracket 1 is fixed to the vehicle body by fixing it to the door D, that is, the vehicle body.

In the figure, 2 and 3 are, for example, a metal shaft and a die-cast shaft holder which constitute the shaft member. As shown in FIGS. 17 and 18, the shaft 2 includes a head portion 20 having a regular hexagonal shape in plan view, a columnar shaft portion 21 integrally provided from the head portion 20, and the head portion 20. A spherical guide (see FIGS. 19 and 20) 24 made of, for example, synthetic resin fixed to
The shaft portion 21 includes an annular groove 23 provided at an end portion on the opposite side of the head portion 20, and a biplanar chamfered portion 22 provided on an outer surface of the shaft portion 21. On the other hand, the shaft holder 3
As shown in FIGS. 21 and 22, the rotating portion 30, the columnar shaft portion 31, the through hole 34 provided in the rotating portion 30 and the shaft portion 31, and the inner surface of the through hole 34 are provided. And a chamfered portion 340 having two planes provided. Since the shaft portion 21 of the shaft 2 is penetrated into the through hole 34 of the shaft holder 3 described above, the chamfered portion 22 on the outer surface of the shaft portion 21 and the chamfered portion 340 on the inner surface of the through hole 34 serve as a shaft. 2 and the shaft holder 3 are attached to each other such that they cannot rotate about the shaft axis (the central axis of the shaft portion 21 of the shaft 2) and are movable in the shaft axial direction, so that the shaft member is configured.

The above-mentioned shaft members 2 and 3 are attached to the above-mentioned bracket 1 via a pivot mechanism so as to be rotatable and the shaft axes of the shaft members 2 and 3 pass through the rotation center O. Next, the structure of the above-mentioned pivot mechanism will be described. That is, the bracket 1
The mounting portion 11 and the spherical washer 13 are formed with a spherical surface portion (a spherical surface portion including a central portion and a peripheral portion via a step portion), and an outer pressure contact portion including the mounting portion 11 is formed at the central portion of the spherical surface portion. A spherical surface 110 is provided, and an inner press contact spherical surface 130 including a spherical washer 13 is provided around the spherical surface portion.
And a circular through hole 111 is provided at the center bottom of this spherical surface. Also, shaft 2
The spherical guide 24 is provided with an inner press-contact spherical surface 240 that comes into pressure contact with the outer press-contact spherical surface 110 of the bracket 1, while the rotary portion 30 of the shaft holder 3 is pressed against the inner press-contact spherical surface 130 of the bracket 1. An outer press-contact spherical surface 301 is provided. The center O of the outer pressure contact spherical surface 110 and the inner pressure contact spherical surface 130 of the bracket 1, the inner pressure contact spherical surface 240 of the shaft 2 and the outer pressure contact spherical surface 301 of the shaft holder 3 which form the pivot mechanism are the same (common), Moreover, they are formed from spherical surfaces having substantially the same diameter.

The shaft portions 21 and 31 of the shaft members 2 and 3 are inserted into the circular through holes 111 of the bracket 1. A spring pressing washer 25 is attached to the shaft portion 21 of the shaft 2, and an E ring 26 is fixed to the annular groove 23 of the shaft portion 21 of the shaft 2. A first coil spring 27 for compression type pivot torque is interposed between the lower surface of the spring pressing washer 25 and the upper end surface of the shaft portion 31 of the shaft holder 3. The first coil spring 27
The spring force of the pivot mechanism causes the spherical surfaces 110, 13 of the pivot mechanism described above.
A pivot torque for holding 0, 240 and 301 in pressure contact is obtained.

As a result, the inner pressure contact spherical surface 24 of the shaft 2
0 presses the outer press-contact spherical surface 110 of the bracket 1 and the outer press-contact spherical surface 301 of the shaft holder 3 presses the inner press-contact spherical surface 130 of the bracket 1, so that the shaft members 2 and 3 contact the bracket 1 via the pivot mechanism. It is rotatable and the shaft axis thereof is the center of rotation (the spherical surfaces 110, 130, 240, 3 constituting the pivot mechanism described above).
It will be attached so as to pass through (center 01) O.

The shaft members 2 and 3 described above are provided with respect to the bracket 1 described above by a guide mechanism around the vertical axis XX, which is the shaft axis, and through the rotation center O and on the vertical axis XX. They are guided so as to rotate around the horizontal axes Y-Y which are orthogonal to each other. That is, on the upper surface of the mounting portion 11 of the bracket 1 described above, the guide plane 112 parallel to the horizontal axis Y-Y is provided on the peripheral edge of the spherical surface portion. The guide plane 112 is formed in a portion where the flange portion 131 on the peripheral edge of the inner pressure contact spherical surface 130 of the spherical washer 13 is cut out. Further, the guide plane 112 is provided in a direction substantially perpendicular to the fixed plate portion 10 described above. On the other hand, guide shafts 32 and 33 are integrally provided so as to project from the periphery of the rotating portion 30 of the shaft holder 3 in the horizontal axis YY direction coaxially with the horizontal axis YY. The one guide shaft 32 has a cylindrical shape, and the other guide shafts 33 have a semi-cylindrical shape.

As a result, the guide shafts 32 and 33 are placed on the above-mentioned guide plane 112 and above-mentioned first coil spring 27.
When the shaft members 2 and 3 are pressed against each other by the spring force of the
It is configured to rotate around -X and around the horizontal axis Y-Y, respectively.

A mirror assembly 4 is manually supported by the above-mentioned shuff members 2 and 3 so that the mirror surface can be adjusted in the left-right direction around the vertical axis XX and in the vertical direction around the horizontal axis YY. As shown in FIGS. 2 to 4, the mirror assembly 4 includes a mirror housing 42 having openings 40 and 41 on the front and side surfaces thereof, and a mirror 43 fixed to the front opening 40 of the mirror housing 42.
And unit housings 44 and 45 fixed in the mirror housing 42 by a screw 48 and projecting outward from the side surface opening 41. The unit housings 44 and 45 described above are composed of an upper housing (44) and a lower housing (45) which are divided into two, as shown in FIGS. 2 to 8 and 23 to 26. An outer fitting wall 444 is integrally provided on the peripheral edge of the lower surface opening of the upper housing 44, and a circular recess 442 is provided on the upper inner surface side of the end portion of the upper housing 44 protruding to the outside. There is. On the other hand, an inner fitting wall 455 is integrally provided at the peripheral edge of the upper opening of the lower housing 45, and the lower surface 450 of the end projecting to the outside of the lower housing 45 forms a substantially circular flat surface. In addition, a circular through hole 451 is provided in the center of the lower surface 450. Further, the upper surface 300 of the rotating portion 30 of the shaft holder 3 and the upper surface of the guide shaft 33 form a circular plane including the horizontal axis Y-Y and centered on the center O of the spherical surface of the pivot mechanism.

The circular recess 442 of the unit housing (upper housing 44) of the mirror assembly 4 is rotatably fitted to the tip of the shaft portion 21 of the shaft 2 described above, and the cylindrical shape of the shaft holder 3 described above. The circular through hole 451 of the unit housing (lower housing 45) of the mirror assembly 4 described above is rotatably fitted to the shaft portion 31 of the mirror assembly 4, and the mirror assembly 4 is mounted on the circular upper surface 300 of the rotating portion 30 of the shaft holder 3. The lower surface 450 of the unit housing (lower housing 45) of
Further, a circular washer 46 having a circular through hole is interposed between the upper surface circular 300 of the shaft holder 3 and the lower surface 450 of the mirror assembly 4. A second coil spring 28 for compression type pivot torque and clutch torque is provided outside the first coil spring 27 between the spring pressing washer 25 and a clutch gear 60 as a final stage gear described later. Is installed coaxially.

As a result, the above-mentioned mirror assembly 4 is manually moved with respect to the above-mentioned shaft members 2 and 3 along the longitudinal axis X.
The mirror surface adjustment is supported in the left-right direction around -X and in the up-down direction around the horizontal axis Y-Y.

Between the aforesaid mirror assembly 4 and the aforesaid shaft members 2 and 3, the mirror assembly 4 is used about the longitudinal axis XX (see FIGS. 3 and 4) and stored (see FIG. 3). Also, a motor 5 and a deceleration mechanism 50, which are rotationally displaced between the motor 5 and the deceleration mechanism 50, are interposed. That is, the upper housing 44 is integrally provided with the pressing portion 441, while the lower housing 45 is provided with the recess 453 for accommodating the motor 5 and the speed reduction mechanism 50 (FIG. 24).
And FIG. 25). The motor 5 and the speed reduction mechanism 50 are housed in the recess 453 of the lower housing 45 on one side of the unit housing divided into two.
By fixing the upper housing 44 to the above, the above-described motor 5 and speed reduction mechanism 50 are sandwiched between the above-mentioned pressing portion 441 and the storage recess 453, as shown in FIGS. The mirror assemblies 4 are respectively incorporated and fixedly supported in the unit housings 44 and 45 of the mirror assembly 4. In addition, a part of the shaft portions 21 and 31 of the shaft members 2 and 3, the spring pressing washer 25, the E ring 26, the first coil spring 27, and the second coil spring 28 are also included in the unit housing described above. It is built in 44 and 45 (see FIGS. 6 and 8). The upper housing 44 and the lower housing 45 of the unit housing described above are integrally fixed by a bolt 57, a nut 58 and a screw 47.

More specifically, in the speed reduction mechanism 50 described above, the first rotating shaft is connected to the output shaft of the motor 5.
The worm 51, the first worm wheel 52 of the helical gear that meshes with the first worm 51, the second worm 53 that is coaxial with the first worm wheel 52, and the second worm wheel that meshes with the second worm 53 (helical gear ) 54, and a clutch gear 60 that meshes with the second worm wheel 54 and that is mounted on the shaft members 2 and 3 as the final stage gear. The motor 50 is fixed in the unit housings 44 and 45, and the rotation shaft of the first worm 51 is rotatably supported in the unit housings 44 and 45. The rotary shaft of and the output shaft of the motor 5 are connected via a joint 55. The joint 55 is made of, for example, rubber or synthetic resin and has elasticity in the twisting direction. On the other hand, the rotating shaft of the above-mentioned second worm 53 is rotatably supported in the unit housings 44 and 45, and a thrust force receiving member is provided between both end surfaces of the rotating shaft and the unit housings 44 and 45. Ball 56
Is interposed. Then, the above-mentioned second worm wheel 54 is rotatably supported by the columnar shaft portion 570 of the bolt 57 inserted into the unit housings 44 and 45.

The bolt 57 has a regular hexagonal head 5 at one end.
71, the regular hexagonal head 571 is non-rotatably fitted in the regular hexagonal recess 452 of the unit housing (lower housing 45), and the rotation of the bolt 57 is prevented. Further, the other end of the bolt 57 has a threaded portion 572.
The nut 58 is screwed into the threaded portion 572, and the lower surface of the nut 58 and the threaded portion 57 of the bolt 57 are formed.
The step portion 573 between the shaft 2 and the shaft portion 570 sandwiches the upper and lower surfaces of the peripheral edge portion of the insertion hole 440 of the unit housing (upper housing 44) to prevent the bolt 57 from moving in the axial direction.

As a result, the motor 5 and the speed reduction mechanism 50 are interposed between the mirror assembly 4 and the shaft members 2 and 3.

A regulation mechanism for regulating the use position and the storage position of the mirror assembly 4 is provided between the mirror assembly 4 and the shaft members 2 and 3. That is, two balls 454 are held at equal intervals on the lower surface 450 of the unit housing (lower housing 45) of the mirror assembly 4 described above (see FIGS. 6 and 26). On the other hand, on the circular upper surface 300 of the shaft holder 3 described above, two arc-shaped long grooves 3 are formed.
02 is provided in a circle centered on the center O of the pivot mechanism described above. In the long groove 302, the ball 4 described above
54 is stored.

Although not shown in the drawing, when the motor 5 is energized and the motor 5 is driven to rotationally displace the mirror assembly 4 and the mirror assembly 4 is in the use position or the storage position, the energization of the motor 5 is interrupted. A switch device for stopping the mirror assembly 4 in the use position or the storage position is
It is equipped. Note that, as the power supply interruption control for the motor 5 of this switch device, there are current control of the PTC element or the like, combined use of a clutch and a limit switch, combined use of a clutch and a pattern switch, and the like.

As a result, the motor 5 is energized to
When the motor is driven, the rotational force of the motor 5 causes the speed reduction mechanism 50 to rotate.
The second worm wheel 54 of the speed reduction mechanism 50 revolves around the clutch gear 60 while revolving around the clutch gear 60, so that the mirror assembly 4 rotates about the vertical axis XX between the use position and the storage position. With displacement,
The ball 454 moves or rolls in the long groove 302.
When the mirror assembly 4 is in the use position, the ball 454 contacts one end of the long groove 302 as shown by the solid line in FIG. 22, the mirror assembly 4 is stopped in the use position, and the motor 5 is activated by the operation of the switch device. Is stopped. Alternatively, when the mirror assembly 4 is in the storage position, the ball 454 contacts the other end of the long groove 302 as shown by the chain double-dashed line in FIG. 22, the mirror assembly 4 is stopped in the storage position, and the switch device The drive of the motor 5 is stopped by the operation of.

The electric torque for rotationally displacing the mirror assembly 4 between the use position and the retracted position by driving the motor 5 is a pivot adjustment torque for manually adjusting the mirror surface of the mirror assembly 4 (the first coil spring described above). 27 and the spring force of the second coil spring 28).

Furthermore, the above-mentioned mirror assembly 4
Is configured to be manually or externally rotated to be rotated around the vertical axis X-X with respect to the fixed bracket 1 and the shaft members 2 and 3 by manual force or external force. Further, between the mirror assembly 4 and the shaft members 2 and 3 described above, the mirror assembly 4 is mounted on the vehicle body C when the mirror assembly 4 is manually tilted or buffered.
An over-tilt prevention mechanism is provided to prevent hitting against. That is, as shown in FIGS. 21 and 22, arcuate convex portions are integrally provided between the rotating portion 30 of the shaft holder 3 of the shaft member and the one guide shaft 32, and both end faces of the circular arc convex portion are provided. Is provided with a stopper surface 35. On the other hand, as shown in FIGS. 24 and 26, a lower surface 450 of the lower housing 45 of the mirror assembly 4 is provided with a circular arc concave portion, and stopper surfaces 456 are provided on both end surfaces of the circular arc concave portion.

As a result, as shown in FIGS. 3 and 4, the mirror assembly 4 is tilted forward from the use position about the vertical axis XX with respect to the fixed bracket 1 and the shaft members 2 and 3 manually or by an external force. It is rotated to the position or the rearward tilt position to perform manual tilting or buffer tilting. Then, when the mirror assembly 4 tilts at an angle, the mirror assembly 4
The stopper surface 456 on the side abuts on the stopper surface 35 of the fixed shaft member (shaft holder 3), the tilt of the mirror assembly 4 is restricted, and the mirror assembly 4 can be prevented from hitting the vehicle body C in advance. .

A clutch mechanism 6 is interposed between the shaft members 2 and 3 and the clutch gear 60 as the final gear of the speed reduction mechanism 50. This clutch mechanism 6 is held on the lower surface of the clutch gear 60 described above.
It is composed of individual balls 61 and a clutch plate 62. As shown in FIG. 28, the above-mentioned clutch plate 62 has a circular plate shape, and a non-circular (a shape including two arcs and two straight lines) through hole 620 is provided in the center, and the periphery thereof is provided. Has three small circular through holes 621 at equal intervals. As shown in FIG. 27, the clutch gear 60 described above is provided with a recess 600 on the upper surface side, a circular through hole 601 communicating with the recess 600 at the center of the lower side, and a tooth portion. A holding portion 603 is provided on the upper portion of 602, and the above-described three balls 61 are held on the lower surface at equal intervals. Further, a biplanar chamfered portion 310 is provided at the upper end of the cylindrical shaft portion 31 of the shaft holder 3 described above.

Then, the shaft portion 3 of the shaft holder 3 described above.
The non-circular through hole 620 of the clutch plate 62 is fitted to the chamfered portion 310 of No. 1, and the clutch plate 62 is non-rotatably attached to the shaft members 2 and 3.
A circular washer 63 having a circular through hole is interposed between the lower surface of the clutch plate 62 and the unit housing (lower housing 45) of the mirror assembly 4. on the other hand,
The circular through hole 601 of the clutch gear 60 described above is fitted into the chamfered portion 310 of the shaft portion 31 of the shaft holder 3 described above, and the inner surface of the cylindrical portion 443 of the unit housing (upper housing 44) of the mirror assembly 4 described above. The above-mentioned holding portion 603 of the clutch gear 60 is fitted and held therein, and the clutch gear 60 is attached to the shaft members 2 and 3 and the mirror assembly 4 so as to be rotatable and movable in the vertical axis XX direction. There is. The ball 61 of the clutch gear 60 is fitted into the small circular through hole 621 of the clutch plate 62.

The clutch torque for fitting and holding the ball 61 of the clutch gear 60 and the small circular through hole 621 of the clutch plate 62 is stored in the recess 600 of the clutch gear 60 described above, and the clutch gear 60 and the spring retainer are held. It is obtained by the spring force of the above-mentioned second coil spring 28 which is interposed between the washer 25 for use. The spring force of the second coil spring 28 is the same as the above-mentioned clutch gear 6
0, the ball 61, the clutch plate 62, the washer 63, the ball 454, the washer 46, and the shaft holder 3, and the spherical surfaces 110, 130, 24 of the pivot mechanism described above.
It also acts as a pivot torque for pressing and holding 0 and 301. The first coil spring 27 described above is similar to the second coil spring 28 described above in the clutch gear 60.
It is housed in the concave portion 600.

As a result, in the normal state, the ball 61 on the clutch gear 60 side is the small circular through hole 62 of the clutch plate 62.
Since the shaft members 2 and 3 and the clutch gear 60 are engaged (integrated state) with each other, the shaft members 2 and 3 are connected to each other (integrated state). The worm wheel 54 revolves around its own axis, and the mirror assembly 4 is rotationally displaced about the vertical axis XX between the use position and the storage position with respect to the fixed bracket 1 and the shaft members 2 and 3. When the manual mirror surface adjustment is performed, the clutch gear 60 and the shaft members 2 and 3 are rotated while the second worm wheel 54 of the reduction gear mechanism 50 is still engaged, and the fixed bracket 1
On the other hand, manual mirror surface adjustment in the left-right direction around the vertical axis XX of the mirror assembly 4 is performed.

A stopper mechanism is provided between the bracket 1 and the shaft members 2 and 3 for restricting the manual mirror surface adjustment angle of the mirror assembly 4 in the left-right direction. A pair of stopper wall portions 14 are provided at the base of the fixing plate portion 10 and the mounting portion 11 of the bracket 1 so as to face each other around the vertical axis XX. The columnar guide shaft 32 of the shaft members 2 and 3 is disposed between the pair of stopper wall portions 14.

As a result, when the mirror assembly 4 is manually rotated about the vertical axis XX with respect to the fixed bracket 1, manual mirror surface adjustment in the horizontal direction about the vertical axis XX of the mirror assembly 4 is performed. And the clutch gear 6 together with the mirror assembly 4 via the clutch mechanism 6 in the connected state.
0 and the shaft members 2 and 3 rotate about the vertical axis XX. The guide shaft 32 of the shaft members 2 and 3 which are rotated
When comes into contact with the stopper wall portion 14 of the fixed bracket 1, the rotation of the shaft members 2 and 3 is stopped. When the mirror assembly 4 is further rotated about the vertical axis XX in this state, the ball 61 of the clutch gear 60 is disengaged from the small circular through hole 620 of the clutch plate 62 and the clutch mechanism 6 in the disengaged state is disconnected. As a result, the mirror assembly 4 rotates together with the clutch gear 60 about the vertical axis XX with respect to the fixed bracket 1 and the shaft members 2 and 3.

A boot 7 is interposed between the bracket 1 and the mirror assembly 4 described above. As shown in FIG. 29, the boot 7 has a bellows shape made of rubber and a tubular shape with an oval cross section (see FIG. 8), and openings 70 are provided at both ends. Flange portions 71 are provided around the portion 70, respectively. On the other hand, the unit housings 44 and 45 of the above-described mirror assembly 4 are integrally provided with elliptical flange portions 49.

The openings 70 at both ends of the boot 7 are formed around the fixed plate portion 10 of the bracket 1 and the mirror assembly 4.
Are fitted around the flange portions 49 of the unit housings 44 and 45, and the flange portions 71 at both ends of the boot 7 are provided between the fixed plate portion 10 and the mirror base 12 of the bracket 1 and the unit of the mirror assembly 4. The flange portions 49 of the housings 44 and 45 and the peripheral edge of the side surface opening portion 41 of the mirror housing 42 are pressed against each other.

The electric storage type / manual mirror surface adjusting type mirror device of the present invention in this embodiment has the above-mentioned structure, and its operation will be described below. First, when the mirror assembly 4 is manually rotated about the vertical axis XX, the clutch gear 6 is passed through the clutch mechanism 6 in the connected state.
Since 0 and the shaft members 2 and 3 rotate about the vertical axis XX, the mirror surface adjustment of the mirror assembly 4 in the horizontal direction around the vertical axis XX is performed. On the other hand, when the mirror assembly 4 is manually rotated about the horizontal axis Y-Y, the shaft members 2 and 3 are moved through the clutch mechanism 6 in the disengaged state.
Since it rotates around Y, the horizontal axis Y-
The vertical mirror surface adjustment around Y is performed. When the motor 5 is energized to drive the motor 5, as shown in FIGS.
As shown in, the mirror assembly 4 is rotationally displaced about the vertical axis XX from the use position to the storage position or from the storage position to the use position.

As described above, the electric storage type / manual mirror surface adjusting type mirror device of the present invention is manually operated by the mirror assembly 4.
The mirror surface (mirror 43) can be adjusted in the left and right direction and the up and down direction, and the mirror assembly 4 can be retracted and restored electrically.

At this time, an electric torque for rotationally displacing the mirror assembly 4 between the use position and the storage position by driving the motor 5 is manually operated.
By making the torque smaller than the pivot adjustment torque for adjusting the mirror surface, it is possible to reliably perform the manual mirror surface adjustment and the electric storage.

Further, the bracket 1 and the shaft members 2 and 3 on the fixed side of the mirror assembly 4 are fixed manually or by an external force.
On the other hand, when it is rotated about the vertical axis X-X, the stopper mechanisms 14 and 32 are actuated, the clutch mechanism 6 in the disengaged state is disengaged, and as shown in FIGS. Manual tilting or buffer tilting from the use position to the front tilting position or the rear tilting position. When the mirror assembly 4 tilts at an angle, the stopper surface 456 on the mirror assembly 4 side abuts the stopper surface 35 of the fixed shaft member (shaft holder 3), and tilting of the mirror assembly 4 is restricted, so that the mirror assembly 4 is tilted. 4 can be prevented from hitting the vehicle body C.

When the mirror wire 4 is tilted forward, the ball 454 of the regulating mechanism gets over the long groove 302.

In addition, the above-described excessive tilt prevention mechanisms 35 and 456 are provided between the mirror assembly 4 and the fixed bracket 1 when the stopper mechanisms 14 and 32 and the clutch mechanism 6 are not provided. It is provided.

Furthermore, the excessive tilting prevention mechanism 35 described above is used.
At 456, if the arc length of the arc projection of the shaft holder 3 forming the stopper surface 35 is increased, the electric storage position of the mirror assembly 4 can also be restricted.

Further, in this embodiment, the manual mirror surface adjustment of the mirror assembly 4 in the left-right direction and the electric storage of the mirror assembly 4 are configured to be performed around the coaxial vertical axis XX. Therefore, when the mirror assembly 4 that has been subjected to manual mirror surface adjustment in the left-right direction is stored from the use position to the storage position and then returned from the storage position to the use position, the mirror assembly 4 is set to the use position before storage. Since it returns to the same use position, there is no need for manual mirror adjustment in the left-right direction again.

Further, in this embodiment, the clutch mechanism 6 is interposed between the shaft members 2 and 3 and the clutch gear 60 as the final stage gear of the reduction mechanism 50, and the fixed bracket 1 is mounted. Since the stopper mechanism (stopper wall portion 14 and guide shaft 32) for manually adjusting the mirror mirror 4 in the left-right direction is interposed between the shaft member 2 and the shaft members 2 and 3, this stopper mechanism is used. This makes it possible to regulate the required angle range of the manual mirror surface adjustment (particularly the manual mirror surface adjustment in the left-right direction) of the mirror assembly 4 in which the shaft members 2 and 3 rotate with respect to the fixed bracket 1. The durability of the pivot mechanism with respect to can be improved. That is, as shown in FIG. 3 and FIG.
Is manually rotated or rotated by an external force from the use position to the front tilt position or the rear tilt position by more than the horizontal manual mirror adjustment angle, the guide shaft 32 of the shaft members 2 and 3 (this guide). Axis 32
(Also serves as a guide mechanism and a stopper mechanism) comes into contact with the stopper wall portion 14 of the bracket 1 on the fixed side, the rotation of the shaft members 2 and 3 is stopped, and the clutch mechanism 6 in the connected state is disengaged. Therefore, the mirror assembly 4 rotates together with the clutch gear 60 around the vertical axis XX with respect to the fixed bracket 1 and the shaft members 2 and 3. As a result, the spherical surfaces 110, 130, 240, 30 of the pivot mechanism are
The sliding range in No. 1 is suppressed to a small extent, wear due to sliding is reduced, and durability is improved accordingly. The clutch mechanism 6 and the stopper mechanism described above do not necessarily have to be provided.

Furthermore, in this embodiment,
As the spherical surface of the pivot mechanism, the outer press-contact spherical surface 110 and the inner press-contact spherical surface 240 at the central portion and the inner press-contact spherical surface 130 at the peripheral portion
And the outer press-contact spherical surface 301 is divided into two parts, so that the holding force of the spherical surface of the pivot mechanism (without increasing the spherical diameter of the spherical surface of the pivot mechanism, as compared with the pivot mechanism having one spherical surface ( The pivot torque can be increased. The spherical surface of the pivot mechanism described above does not necessarily have to be divided into two.

Particularly, in this embodiment, the bolt 57 and the nut serving as the shaft of the second worm wheel 54 (the shaft portion 570 of the bolt 57) and the fixing member for the upper housing 44 and the lower housing 45 of the unit housing are also used. 58, an anti-rotation mechanism (a regular hexagonal head 5 of the bolt 57)
71 and the regular hexagonal recess 452 of the lower housing 45) and the axial movement prevention mechanism (the lower surface of the nut 58 and the stepped portion 573 of the bolt 57 form the insertion hole 440 of the upper housing 44).
Sandwiching the peripheral edge portion of) is configured. As a result, it is possible to prevent the bolt 57 and the nut 58 from loosening due to the rotational torque or the thrust load of the second worm wheel 54. By preventing the bolts 57 and the nuts 58 from loosening, the second worm wheel 54 is prevented from being worn or making noise, and the durability of the parts is improved.

Further, in the above embodiment, the spherical surfaces 110 and 240, 130 and 301 of the pivot mechanism are
First coil spring 27 and second coil spring 2
The spring force of 8 acts. In addition, the clutch mechanism 6
(Ball 61 and small circular through hole 621), regulation mechanism (ball 454 and long groove 302), clutch plate 62 and washer 63.
The spring force of the second coil spring 28 acts on the unit housing (lower housing 45), the unit housing (lower housing 45), the washer 46, and the shaft holder 3. In this way, the two coil springs, the first coil spring 27, and the second coil spring 28 are coaxially and doubly arranged, so that the axial length of the coil spring is larger than that of the single coil spring. Can be made small, and the size of the entire device can be reduced.

Further, in this embodiment, since the motor 5 and the speed reduction mechanism 50 can be laid out directly and intensively on the lower housing 45 on one side of the unit housing divided into two, when the intermediate member is used. Compared with the above, it is possible to reduce variations in component dimensions when the motor 5 and the reduction mechanism 50 are assembled. This reduction in variation in component dimensions improves component accuracy, stabilizes quality, and reduces cost.

In this embodiment, the outer fitting wall 444 of the upper housing 44 on one side and the inner fitting wall 45 of the lower housing 45 on the other side are divided into two unit housings.
Since the fitting cost with 5 is large, the waterproof effect is large and the strength is large.

Furthermore, in this embodiment,
The tip of the shaft portion 21 of the shaft 2 of the shaft member is the unit housing (upper housing 44) of the mirror assembly 4.
Is rotatably fitted in the circular recess 442 of the shaft member, and the cylindrical shaft portion 31 of the shaft holder 3 of the shaft member is rotatably fitted in the circular through hole 451 of the unit housing (lower housing 45) of the mirror assembly 4. Has been done.
That is, the shaft members 2 and 3 and the mirror assembly 4
Since the unit housings 44 and 45 of FIG.
There is no hindrance to the manual mirror surface adjustment in the left-right direction around -X, and when the mirror assembly 4 is rotated about the horizontal axis Y-Y in the manual mirror surface adjustment around the horizontal axis Y-Y. Since the rotational force is transmitted to the shaft members 2 and 3 via the above-mentioned two upper and lower fitting portions, the shaft members 2 and 3 and the unit housings 44 and 45 of the mirror assembly 4 are not twisted. It rotates smoothly together.

Further, since the fitting support portion between the tip of the shaft 2 and the circular recess 442 of the upper housing 44 of the mirror assembly 4 is farther from the horizontal axis Y-Y, the length of the arm of the lever is increased. Becomes longer, the rotational force at the fitting and supporting portion between the tip of the shaft 2 and the circular recess 442 of the mirror assembly 4 becomes correspondingly larger, and the above-described rotation becomes smoother.

Furthermore, in this embodiment,
The circular through hole 601 of the clutch gear 60 of the clutch mechanism 6 is fitted and held in the chamfered portion 310 (particularly the arc portion) of the shaft portion 31 of the shaft holder 3, and the holding portion 603 of the clutch gear 60 is a unit of the mirror assembly 4. It is fitted and held in the cylindrical portion 443 of the housing (upper housing 44). That is, since the clutch gear 60 is held by the shaft members 2 and 3 and the mirror assembly 4 so as to be rotatable at two upper and lower positions and to be movable in the vertical axis XX direction, the inclination of the clutch gear 60. By pressing, a stable clutch force can be obtained and a reliable clutch action can be obtained.

Further, two holding positions of the clutch gear 60, that is, a holding part 603 of the clutch gear 60 and a holding position of the upper housing 44 of the mirror assembly 4, the clutch gear 60 circular through hole 601 and the shaft portion 31 of the shaft holder 3 are provided.
If the distance between the clutch gear 60 and the holding position of the clutch gear 60 is large, the holding force of the clutch gear 60 described above is further increased, the tilt of the clutch gear 60 is further suppressed, and a more stable clutch force is obtained. The action is obtained.

Finally, in this embodiment, the one end opening 70 of the boot 7 is fitted around the flange portions 49 of the unit housings 44 and 45 of the mirror assembly 4, and then the unit housing 44 of the mirror assembly 4 is fitted. And 45 are fixed to the mirror housing 42,
By pressing the one-end flange portion 71 of the boot 7 and the flange portion 49 of the unit housings 44 and 45 against the peripheral edge of the side surface opening portion 41 of the mirror housing 42,
The one end flange portion 71 of the boot 7 is the flange portion 49 of the unit housings 44 and 45 of the mirror assembly 4.
And the peripheral edge of the side surface opening 41 of the mirror housing 42 are fixed by pressure. As a result, the flange portion 71 of the boot 7 and the unit housing 4 of the mirror assembly 4 are
Since there is no gap between the flange portions 49 of 4 and 45 and the peripheral edge of the side surface opening portion 41 of the mirror housing 42, the sealability is improved, the fitting and fixing are ensured, and there is no wind noise.

Further, in this embodiment, since the unit housings 44 and 45 of the mirror assembly 4 are integrally provided with the flange portion 49 for press-contacting and fixing the boot 7, the flange portion 49 is used as the unit housing 4.
It also acts as a reinforcing rib for 4 and 45.

The electric storage type / manual mirror surface adjusting type mirror device of the present invention in the above-described embodiment is not limited to the mirror base 12, or the mirror base 12, the mirror housing 42 and the mirror 43, and the left and right automobiles. Can also be used as a C door mirror.

Further, in addition to the door mirror of the automobile C described above, the electrically retractable / manual mirror surface adjustment type mirror device of the present invention is
It can be used as an external rearview mirror for automobiles such as fender mirrors for automobiles.

[0058]

As is apparent from the above, the electric retractable / manual mirror surface adjustment type mirror device of the present invention is capable of manually adjusting the mirror surface of the mirror assembly in the left-right direction and the vertical direction, and is electrically operated. Store assembly,
It can be restored.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an electric retractable / manual mirror surface adjustment type mirror device of the present invention, in a state in which it is mounted on a door of a vehicle as a door mirror.

FIG. 2 is a perspective view in which part II of FIG. 1 is cut away.

FIG. 3 is a cross-sectional view showing the outline of the internal mechanism of the right side door mirror, with the upper housing removed.

FIG. 4 is a transverse cross-sectional view showing a schematic internal mechanism of the left side door mirror, with an upper housing removed.

FIG. 5 is a cross-sectional view showing the internal mechanism of the right side door mirror with the upper housing removed.

FIG. 6 is a sectional view taken along line VI-VI in FIG. 5;

FIG. 7 is a sectional view taken along line VII-VII in FIG.

FIG. 8 is a sectional view taken along line VIII-VIII in FIG. 5;

FIG. 9 is a top perspective view of the bracket.

FIG. 10 is a bottom perspective view of the same bracket.

FIG. 11 is a plan view of the bracket.

12 is a cross-sectional view taken along the line XII-XII in FIG. 11 with the spherical washer fixed to the bracket.

13 is a cross-sectional view taken along the line XIII-XIII in FIG. 11 with the spherical washer fixed to the bracket.

FIG. 14 is a plan view of a spherical washer.

15 is a sectional view taken along line XV-XV in FIG.

16 is a sectional view taken along line XVI-XVI in FIG.

FIG. 17 is a plan view of the shaft.

FIG. 18 is a front view of the shaft of the same.

FIG. 19 is a bottom view of the spherical guide.

20 is a sectional view taken along line XX-XX in FIG.

FIG. 21 is a perspective view of a shaft holder.

FIG. 22 is a plan view of the shaft holder.

FIG. 23 is a perspective view of an upper housing.

FIG. 24 is a perspective view of a lower housing.

FIG. 25 is a plan view of the lower housing of the same.

FIG. 26 is a bottom view of the lower housing of the same.

FIG. 27 is a vertical sectional view of a clutch gear.

FIG. 28 is a plan view of a clutch plate.

FIG. 29 is a front view in which a part of the boot is cut away.

[Explanation of symbols]

1 ... Bracket, 10 ... Fixed plate part, 11 ... Mounting part, 11
0 ... Outside pressure contact spherical surface (pivot mechanism), 112 ... Guide plane (guide mechanism), 12 ... Mirror base, 13 ... Spherical washer, 130 ... Inner pressure contact spherical surface (pivot mechanism), 14
... stopper wall portion (stopper mechanism), 2 ... shaft (shaft member), 20 ... head portion, 21 ... shaft portion, 22 ... chamfered portion, 24 ... spherical surface guide, 240 ... inner pressure contact spherical surface (pivot mechanism), 25 ... spring Presser washer, 27 ... First coil spring, 28 ... Second coil spring, 3
... Shaft holder (shaft member), 30 ... Rotating part, 3
00 ... Circular upper surface, 301 ... Outer pressure contact spherical surface (pivot mechanism), 302 ... Long groove (regulating mechanism), 31 ... Shaft portion, 310
... chamfered portion, 32 ... guide shaft (guide mechanism and stopper mechanism), 33 ... guide shaft (guide mechanism), 34 ... through hole,
340 ... Chamfering section, 4 ... Mirror assembly, 40 ... Front opening, 41 ... Side opening, 42 ... Mirror housing,
43 ... Mirror, 44 ... Upper housing (unit housing), 440 ... Insertion hole, 441 ... Holding part, 442 ... Circular recess, 443 ... Cylindrical part, 45 ... Lower housing (unit housing), 451 ... Circular through hole, 452 ... Regular hexagonal recess, 453 ... storage recess, 454 ... ball (regulating mechanism),
46 ... Washers, 47 and 48 ... Screws, 49 ... Flange, 5 ... Motor, 50 ... Reduction mechanism, 57 ... Bolt,
573 ... Step, 58 ... Nut, 6 ... Clutch mechanism, 60
... clutch gear (final stage gear of the speed reduction mechanism 50), 600
... recessed portion, 601 circular through hole, 602 ... tooth portion, 603 ... holding portion, 61 ... ball, 62 ... clutch plate, 63 ... washer, 7 ... boots, 70 ... opening portion, 71 ... flange portion, C
... automobile, D ... door, O ... center of spherical surface of pivot mechanism,
XX ... Vertical axis, YY ... Horizontal axis.

Claims (8)

[Claims] 1. A bracket fixed to a vehicle body, a shaft member having a shaft, and a pivot mechanism in which the shaft member is rotatably attached to the bracket so that a shaft axis of the shaft member passes through the rotation center. A guide mechanism for guiding rotation of the shaft member with respect to the bracket about a vertical axis that is the shaft axis and around a horizontal axis that passes through the rotation center and is orthogonal to the vertical axis; A mirror assembly that is supported by a member and is manually adjusted with respect to the bracket in the left-right direction about the vertical axis and in the vertical direction about the horizontal axis; and a mirror assembly interposed between the mirror assembly and the shaft member. Mounted on the mirror assembly to rotationally displace the mirror assembly about the longitudinal axis between a use position and a storage position. The electrically driven storage type and manual mirror adjustable mirror apparatus characterized by comprising a motor and a speed reduction mechanism. 2. An electric torque for rotationally displacing the mirror assembly between a use position and a storage position by driving the motor is smaller than a pivot adjusting torque for manually adjusting a mirror surface of the mirror assembly. The electric retractable / manual mirror surface adjustment type mirror device according to claim 1. 3. A clutch mechanism, which is interposed between the shaft member and a final stage gear of the reduction mechanism, and in a normal state, the shaft member and the final stage gear are in a connected state, the bracket and the shaft. It is provided between the member and
When the manual mirror surface adjustment angle in the left-right direction of the mirror assembly is regulated, and when the mirror assembly is about to rotate beyond this regulation angle, the clutch mechanism operates and the shaft member and the final stage gear are disconnected, The electric retractable / manual operation according to claim 1 or 2, wherein the mirror assembly includes a stopper mechanism that rotates together with the final stage gear with respect to the fixed shaft member and the bracket. Mirror surface adjustment type mirror device. 4. The shaft member includes a shaft and a shaft holder that are mutually non-rotatable around the vertical axis and movable in the vertical axis direction, and the pivot mechanism is provided on the bracket. An outer pressure contact spherical surface of the central portion provided, an inner pressure contact spherical surface of the peripheral portion provided on the bracket, an inner pressure contact spherical surface provided on the shaft and in pressure contact with the outer pressure contact spherical surface of the bracket, and provided on the shaft holder. 4. The electric retractable / manual mirror surface adjustment type mirror device according to claim 1, 2 or 3, further comprising: an outer press contact spherical surface that press-contacts an inner press contact spherical surface of the bracket. 5. A regulation mechanism for regulating the use position and the storage position of the mirror assembly is provided between the mirror assembly and the shaft member. Alternatively, the electric retractable / manual mirror surface adjustment type mirror device according to 2 or 3 or 4. 6. When the motor is energized and the mirror assembly is rotationally displaced by driving the motor to be located in the use position or the storage position, the motor is de-energized and the mirror assembly is turned off. The electric storage-type / manual-mirror-adjusting-type mirror device according to claim 1, further comprising a switch device for stopping at the use position or the storage position. 7. The electric retractable / manual mirror surface according to claim 1, wherein a boot is interposed between the bracket and the mirror assembly. Adjustable mirror device. 8. The mirror assembly is configured to be manually rotated or buffer tilted by being rotated around the vertical axis with respect to the fixed bracket or the shaft member manually or by an external force. Between the mirror assembly and the fixed-side bracket or the shaft member, an excessive tilt prevention mechanism is provided to prevent the mirror assembly from hitting the vehicle body when the mirror assembly is manually tilted or buffer tilted. The electric retractable type / manual mirror surface adjustment type mirror device according to claim 1, 2 or 3 or 4 or 5 or 6 or 7.