JPH1148865A - Rearview mirror of automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a lower rear part visible as a mirror is automatically rotated downward when a change lever is brought to the back and to enable a mirror to automatically restore to an original position. SOLUTION: A mirror 2 and an operation part 14 of a variable resistor 13 are connected with a wire 15a and other interlocking means 15 so that rotation in the vertical and horizontal directions of the mirror 2 is transmitted to the operation part 14 of the variable resistor 13 by the interlocking means 15 for interlocking. And the variable resistor 13 is connected to a computer for operating the mirror, the original position of a rearview mirror 'A' is stored in the computer as a resistance value of the variable resistor 13, an instruction of downward rotation is issued to rotate the mirror 2 downward when a change lever is brought into the back, and the operation part 14 of the variable resistor 13 is made to move interlockingly. When the change lever is removed from the back, an instruction to restore to the original position is issued so that the mirror 2 is stopped at the original position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION When the driver puts the change lever into the back, the mirror automatically turns downward to make it easier to see the lower rear, and when the change lever is removed from the back, the mirror is automatically restored to the original position. Thus, an automobile rearview mirror is provided.

[0002]

[Problems of conventional back driving] For the driver of a car,
Backing, parking by backing, garage parking, etc. are troublesome and difficult even for beginners as well as veterans, but if the mirror position remains normal driving at that time, especially on the opposite side of the driver's seat (Right-hand drive car → left hand drive, left-hand drive car → right hand side), low position behind, near rear wheel, etc. are difficult to see, adjacent vehicles, fences, buildings, etc. are approaching, obstacles such as grooves, stones, etc. However, even if there were small children, they could not see them correctly, and there was a risk of overlooking them.

[0003]

[Construction of Rearview Mirror] Conventionally used rearview mirrors (mainly door mirrors) of automobiles have a mirror 2 installed in front of an opening in a hollow substantially semi-elliptical spherical mirror cover 1, and the mirror 2 is provided with a mirror 2. The mounting plate 3 is detachably attached to the mounting plate 3 on the back surface.
The motor box 4 is mounted on a central axis 5 of the motor box 4 so as to be rotatable upward, downward, leftward, and rightward. The motor box 4 is installed on a base 6 fixed to the inside of the back plate of the mirror cover 1. Two motors 7, 7
And a speed reduction mechanism such as a worm 8 and a gear 9.
Are screwed into each other, and the upper ends of the screw cylinders 10a and 11a are engaged with the lower end portion and the left end portion of the center of the mounting plate 3, respectively. When the reverse deceleration rotation is performed, the screw cylinders 10a and 11a move up and down, so that the mounting plate 3 is turned up and down and left and right, and the forward and reverse rotation of the motor is remotely controlled in the driver's seat. . Reference numeral 12 denotes a control box for rotating and adjusting the entire mirror case in the front-rear direction.

As a countermeasure against the above-mentioned problem, conventionally, in some high-end passenger cars, when the change lever is put in the back, the mirror automatically turns downward under computer control,
When the change lever is removed from the back, a function is provided that has a function of returning to the original position (a position adjusted by each driver for normal driving), but this function is programmed with the above function. Since a computer and a device that accurately detects the original position when the mirror that has turned downward and rotated downwards (magnet detection method, optical sensor detection method, etc.) are required, the mirror can be moved up and down and up using conventional switch operations. It is extremely expensive compared to a rearview mirror that only adjusts the rotation to the left and right, so that it cannot be provided for ordinary automobiles.

[0005] Under the circumstances described above, it may be necessary to provide a rearview mirror that does not have the above-mentioned functions additionally and retrospectively, or a cheaper rearview mirror may be developed. May be considered,

[0006] Since the above-mentioned high-end vehicle is incorporated from the beginning of the design and manufacture of the entire rearview mirror, there is no problem of installation space except for the price point. In addition, it is difficult to perform additional installation after the fact because of the installation space irrespective of the method.

[0007]

Accordingly, the present invention has been studied in detail on the above-mentioned problems, and as a result, by installing an extremely simple and compact device in a very small space around an existing device in a mirror cover as described later. It is an effective solution.

[0008]

That is, according to the present invention, a base is fixed to the inside of a back plate of a mirror cover, a motor box is mounted on the base, and the center of the mounting plate of the mirror is swung on the central axis of the motor box. The upper end of the screw cylinder mounted on two screw shafts that can be freely mounted and the rotation of the two motors in the motor box reduced by worms, gears, etc., is set to the left and right ends of the mounting plate. Engage, the mirror is mounted on the mounting plate facing the front of the mirror cover, and the motor and the screw shaft are controlled by the driver. And in the rearview mirror of the car equipped to brake left and right,

The mirror or a part of the mounting plate is linked to the operation part of the variable resistor installed in the mirror cover by a wire or other interlocking means, so that the mirror and the mounting plate can be turned up and down and left and right in the interlocking means. The variable resistor is provided with an operating unit to be transmitted to the operating unit in conjunction therewith, and a variable resistor and a computer for mirror operation are connected and provided.

The computer stores the original position of the rearview mirror, that is, the original position of the operation section of the variable resistor, as the resistance value (voltage) of the variable resistor, and issues a command to turn downward when the change lever is inserted into the back. When the mirror and the mounting plate are turned downward, the operation section of the variable resistor moves in conjunction with it, and when the change lever is released from the back, an original position restoration command is issued, and the mirror and the mounting plate are turned upward and the variable resistance is changed. When the operation unit of the container arrives at the original position in conjunction with the previous position, it stops according to the previous memory, and simultaneously issues a stop command to stop the mirror and the mounting plate at the original position. It is a solution.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. The base 6 is fixed to the inside of the back plate 1a of the mirror cover 1, the motor box 4 is mounted on the base 6, and the center of the mounting plate 3 of the mirror 2 is swingably mounted on the center axis 5 of the motor box 4. A screw cylinder 10 screwed around two screw shafts 10 and 11 that rotate while rotating the two motors 7 in the motor box 4 with the worm 8 and the gear 9 reducing the rotation.
a, 11a are engaged with the left end and the lower end of the mounting plate 3, and the mirror 2 is mounted on the mounting plate 3 facing the front of the mirror cover 1, and the motor 7 and the screw are operated by the driver. Screw tube 10 by control forward and reverse rotation of shafts 10 and 11
In a rearview mirror of an automobile provided with the mounting plate 3 and the mirror 2 being brake-turned upward, downward and leftward, and rightward by the vertical movement of a and 11a,

The mirror 2 or a part of the mounting plate 3 is connected to the operating portion 14 of the variable resistor 13 installed in the mirror cover 1 by a wire 15a or other interlocking means 15 so that the mirror 2 and the mounting plate 3 can be moved up and down. The rotation in the left and right direction is transmitted to the operation unit 14 of the variable resistor 13 by the interlocking means 15 so that the operation unit 14 is interlocked with the operation unit 14 and a computer (not shown) for operating the variable resistor 13 and the mirror. ) Connected,

The original position of the rearview mirror A, that is, the original position of the operation section 14 of the variable resistor 13 is stored as a resistance value (voltage) of the variable resistor 13 in the computer. Command to rotate the mirror 2 and the mounting plate 3 downward, and
3 moves in conjunction with each other, and when the change lever is released from the back, an original position restoration command is issued, the mirror 2 and the mounting plate 3 are turned upward, and the manipulation unit 14 of the variable resistor 13 is also linked. A rearview mirror A for an automobile, which is provided so as to stop according to the previous memory when it reaches the original position and simultaneously issue a stop command to stop the mirror 2 and the mounting plate 3 at the original position.

In the present invention, the original position of the mirror means a position where each driver adjusts the vertical, horizontal, and vertical directions for normal driving. Therefore, if the mirror 2 that has been rotated downward by the back of the change lever as described above is disengaged from the back and the mirror 2 stops restoring and rotating, if the mirror 2 is not exactly at the original position, the mirror 2 is returned again. It is necessary to finely adjust the upper, lower, left and right of the two to match each other. Therefore, how to restore the original original position is the gist of the present invention.

Further, the present invention may be applied to both the left and right rearview mirrors, but mainly applies to the rearview mirror on the opposite side of the driver's seat. That is, for a right-hand drive vehicle, the operation is performed on the left rearview mirror, and for a left-hand drive vehicle, the operation is performed on the right rearview mirror.

[0016]

[Linking means] Linking means for linking the vertical and horizontal rotation of the mirror 2 and the mounting plate 3 with the sliding or rotation of the operation section (slider 14a or the rotating shaft 14b) of the variable resistor 13 is described below. The specific configuration is arbitrary as long as it is a means that can be interlocked. For example, the following interlocking means can be considered.

[In the case of a slide type variable resistor] FIG.
As shown in FIGS. 2 and 5, a variable resistor 13 in which the other end of a wire 15 a (an interlocking means) having one end connected to, for example, a lower side of the mirror 2 or the mounting plate 3 is installed in a part of the base 6.
Is connected to the slider 14a (operation unit) of the
a is provided by extending a spring 16 between a part of the base 6.

As shown in FIG. 6, a variable resistor 1 in which the other end of a crank 15b (an interlocking means) having one end connected to a part of the mirror 2 or the mounting plate 3 is installed in a part of the base 6 or the like.
3 is connected to the slider 14a (operation unit), and the fulcrum 17 is supported on a part of the base 6 or the like.

As shown in FIGS. 7A and 7B, the mirror 2 or a part of the mounting plate 3 is provided with a tapered cam 15d or a circular cam 15c (an interlocking means), while the sliding of the variable resistor 13 is performed. A round head cam 15c or a tapered cam 15d (an interlocking means) is provided on the moving element 14a (operation section).
5c and 15d are provided in contact with each other.

As shown in FIG. 8, the mirror 2 or a part of the mounting plate 3 and the slider 14a of the variable resistor 13 (operation unit)
, Racks 15e and 15f are attached as interlocking means, and both 15e and 15f are provided so as to be interlocked by a gear 15g.

[Rotary Variable Resistor] FIG. 9
As shown in FIG. 3, one end of a wire 15a (an interlocking means) is connected to a part of the mirror 2 or the mounting plate 3, and the other end is mounted on a part of the base 6 or the like.
(Operation unit), and the rotating shaft 14b and the case 18
A spiral spring 19 is stretched and provided between them.

As shown in FIG. 10, there is an embodiment in which a rack 15i attached to the mirror 2 or the attachment plate 3 and a gear 15h (an interlocking means) attached to the rotating shaft 14b of the variable resistor 13 are provided in mesh. However, the interlocking means is not limited to these.

As described above, the variable resistor 13 is a slide type, a rotary type, or the like, and the operation unit 14 is such that the slide type is a slider (slider) 14a and the rotary type is a rotary shaft (shaft) 14b. The vertical and horizontal rotations of the mirror 2 and the mounting plate 3 are converted to linear movement of the slider 14a or rotation of the rotary shaft 14b via the interlocking means 15 so as to be interlocked. .

The linkage position of the interlocking means 15 between the mirror 2 and the mounting plate 3 is such that the rotation of the mirror 2 and the mounting plate 3 is variable resistance via the interlocking means 15 on the back of the mirror 2, the outer periphery of the mounting plate 3 and the back. Any position can be used as long as it can be transmitted (linked) to the operation unit 14 of the mirror 13, and the mounting position of the variable resistor 13 is also an arbitrary position in the mirror cover 1.

In some cases, the mirror may be automatically rotated downward when the change lever is put into the back, and it may be inconvenient to work. Therefore, it is possible to freely switch between performing and not performing the above operation. Prepare for.

[0026]

[Function] Normally, the driver operates the driver's seat to finely adjust the position of the rear-view mirror vertically and horizontally, leaving it in the position that is most suitable for him, and does not change the position every time he drives However, the position of this mirror is the original position referred to in the present invention.

However, when the driver backs the car, in the narrow garage, on the road, in a place where there is an obstacle, etc., especially behind the driver's seat and near the rear wheels, the mirror in the original position is not sufficiently visible. According to the present invention, when the change lever is put into the back, the computer memorizes the original position, and at the same time, the mirror is automatically rotated downward so that the rear and the vicinity of the rear wheel can be easily seen.

The above operation is achieved by operating the operation unit 1 of the variable resistor 13 in which the original positions of the mirror 2 and the mounting plate 3 are linked by the driving means 15.
4 (slider 14a, rotating shaft 14b) stores the resistance value (voltage) as the original position, and moves the operation unit 14 (slider) in conjunction with the downward rotation of the mirror 2 and the mounting plate 3. 14a is performed by linear movement, and the rotating shaft 14b is rotated).

When the reverse operation is stopped and the change lever is disengaged from the reverse (for example, when the vehicle is driven by an automatic vehicle, the vehicle is put into neutral or parking, etc.), the mirror is automatically turned upward and returned to the original position. Stop.

The above operation is performed by the operation unit 14 moving in the direction of the original position in conjunction with the upward rotation of the mirror 2 and the mounting plate 3 and stopping at the original position previously stored by the computer. The mirror 2 and the mounting plate 3 are also returned to their original positions and stopped.

The specific structure of the interlocking means for interlocking the mirror 2 and the mounting plate 3 with the operation section 14 of the variable resistor 13 is arbitrary. For example, as shown in FIG. 1, FIG. 2, FIG. In the case of the interlocking means in which the slider 2a of the sliding type variable resistor 13 is connected to the slider 2a or the operating plate by the wire 15a, when the mirror 2 or the mounting plate 3 is rotated downward from the original position shown in the figure. The wire 14a is the slider 14.
When the mirror 2 or the mounting plate 3 is rotated upward and returned to the original position, the pulling force of the wire 14a is relaxed, and the slider 14a is pulled by the spring 16 to return and stop at the original position.

Similarly, the slider 14a of the sliding variable resistor 13 and the mirror 2 or the mounting plate 3 are connected to the crank 15b.
In the case of the interlocking means 15 connected by (1), the crank 15b rotates around the fulcrum 17, and the rotation of the mirror 2 or the mounting plate 3 is converted into the linear movement of the slider 14a.
(FIG. 6)

FIGS. 7A and 7B show the slider 14a of the mirror 2 or the mounting plate 3 and the sliding type variable resistor 13. FIG.
The rotation of the mirror 2 or the mounting plate 3 is converted into the linear movement of the slider 14a via both the cams 15c and 15d. Do it.

FIG. 8 shows a rack 15 mounted on the mirror 2 or the mounting plate 3 and the slider 14a of the sliding variable resistor 13.
e, 15f, which is provided by an interlocking means in which a gear 15g is meshed with both gears. The rotation of the mirror 2 or the mounting plate 3 is converted into the linear movement of the slider 14a by the movement transmission of the rack, gear and rack. .

FIG. 9 shows a rotary variable resistor 13 in which a rotary shaft 14b (operation part) and a mirror 2 or a mounting plate 3 are connected by a wire 15a (interlocking means). The wire 15a loosened by the downward rotation is pulled by the winding force of the spiral spring 19 wound around the rotating shaft 14b and wound around the rotating shaft 14b to rotate the rotating shaft 14b. The wire 15b is pulled against the winding force of the spiral spring 19 by the upward rotation of the third rotation of the third rotation, and the rotation shaft 14b is rotated to the original position.

FIG. 10 shows a rotary variable resistor 13.
Interlocking means 15 in which a gear 15h provided on the rotating shaft 14b of the above and a tick 15i provided on the mirror 2 or the mounting plate 3 are meshed.
The rotation of the mirror 2 or the mounting plate 3 is converted into the rotation of the gear 15i, that is, the rotation shaft 14b of the variable resistor 13, and the rotation is performed.

[0037]

[Effect] The original positions of the mirror and the mounting plate are stored in a computer, and the rotation of the mirror and the mounting plate and the operation section of the variable resistor are interlocked by the interlocking means. When the lever is put in the back, the mirror automatically turns downward to make it easy to see behind and assists in the back operation, and when the change lever is removed from the back, the mirror can be automatically restored to the original position.

In particular, the original positions of the mirror and the mounting plate are taken as the resistance value (voltage) at the original position of the operation section of the variable resistor and stored, and after operation, returned to the position of the stored resistance value (voltage). As a result, the original position is automatically restored, so that the original position of the mirror and the mounting plate can be restored extremely accurately.

Since the components of the apparatus need only be small-sized electronic components such as a variable resistor and a small-sized and simple interlocking means such as a wire, a very small space such as the periphery of the existing equipment in the mirror cover can be used. And can be easily installed.

Since the variable resistor, wire and other members are all very inexpensive, they can be provided at a much lower cost than before.

The present invention can be manufactured and provided by incorporating the present invention from the stage of designing the entire rearview mirror, and can naturally be easily added to an already manufactured rearview mirror. In either case, the present invention is much easier than in the past. And it is cheap.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a rearview mirror embodying the present invention.

FIG. 2 is a front view showing a schematic configuration of a main part of the embodiment of the present invention.

FIG. 3 is a partial cross-sectional bottom view of FIG. 2;

FIG. 4 is a right side view, partially in section, of FIG. 2;

FIG. 5 is a diagram illustrating the operation of an interlocking means (wire) between a mirror or a mounting plate and a variable resistor (slide type).

FIG. 6 is an operation explanatory view of an interlocking means (crank) between a mirror or a mounting plate and a variable resistor (slide type).

FIGS. 7A and 7B are explanatory diagrams of the operation of the interlocking means (round head cam and tapered cam) between the mirror or the mounting plate and the variable resistor (slide type).

FIG. 8 is an explanatory diagram of an operation of an interlocking means (rack, gear, rack) between a mirror or a mounting plate and a variable resistor (slide type).

FIG. 9A is an explanatory view of an operation of an interlocking means (wire) between a mirror or a mounting plate and a variable resistor (rotary type). (B) is a partial plan view of (A).

FIG. 10 is an explanatory diagram of an operation of an interlocking means (rack, gear) between a mirror or a mounting plate and a variable resistor (rotary type).

[Explanation of symbols]

 A Rearview mirror 1 Mirror cover 1a Back plate 2 Mirror 3 Mounting plate 4 Motor box 5 Center shaft 6 Base 7 Motor 8 Worm 9 Gear 10 Screw shaft 10a Screw tube 11 Screw shaft 11a Screw tube 12 Control box 13 Variable resistor 14 Operation unit 14a Slider (slider) 14b Rotary shaft (shaft) 15 Interlocking means 15a Wire 15b Crank 15c Round head cam 15d Tapered cam 15e Rack 15f Rack 15g Gear 15h Gear 15i Rack 16 Spring 17 Support point 18 Case 19 Spiral spring

Claims (4)

[Claims] 1. A base is fixed to the inside of a back plate of a mirror cover, a motor box is mounted on the base, and a center of a mounting plate of the mirror is swingably mounted on a center axis of the motor box, and a motor box is mounted inside the motor box. The rotation of the two motors is reduced by a worm, a gear, etc., and the upper end of the screw cylinder screwed onto the two screw shafts is engaged with the left end of the mounting plate at the lower end and the mirror is covered with the mirror cover. The motor and the screw shaft are controlled by the driver, and the mounting plate and the mirror are turned upward, downward, and left and right by the vertical movement of the screw cylinder. In a rearview mirror of a vehicle equipped with a mirror, a part of the mirror or the mounting plate and the operation part of the variable resistor installed in the mirror cover are linked by a wire or other interlocking means. The vertical and horizontal rotations of the mirror and the mounting plate are transmitted to the operation section of the variable resistor by interlocking means so that the operation section is interlocked, and the variable resistor is connected to a computer for mirror operation. The computer stores the original position of the rearview mirror, that is, the original position of the operation section of the variable resistor, as the resistance value (voltage) of the variable resistor, and turns downward when the change lever is inserted into the back. Command to rotate the mirror and the mounting plate downward, and the operation part of the variable resistor moves in conjunction with it.When the change lever is released from the back, the original position restoration command is issued and the mirror and the mounting plate are rotated upward. When the operating section of the variable resistor reaches the original position in conjunction with the original position, the operation is stopped by the previous memory, and at the same time, a stop command is issued to stop the mirror and the mounting plate at the original position. Rearview mirror of Dosha. 2. An interlocking means for interlocking the operation of the variable resistor with the up and down and left and right rotations of the mirror and the mounting plate is interlocked with each other by a wire. Or a gear, a crank, a worm, etc., provided between them, and other means for interlocking the mirror and the mounting plate with the operation section of the variable resistor. The specific mechanism is not limited to the above. A vehicle rearview mirror according to claim 1. 3. The variable resistor is of a slide type, a rotary type, or the like, and the operation part thereof is a slide type slider (slider), a rotary type rotary shaft (shaft), a mirror and a mounting member. 2. The rearview mirror for an automobile according to claim 1, wherein the up / down and left / right rotations of the plate are linked by an interlocking means so as to be converted into a linear movement of a slider or a rotation of a rotating shaft and interlocked. 4. The linkage position of the interlocking means of the mirror and the mounting plate is set to the operating portion of the variable resistor by interlocking the rotation of the mirror and the mounting plate with the back of the mirror, the outer periphery of the mounting plate, the back surface, and the interlocking means. 2. The rearview mirror for an automobile according to claim 1, wherein the position is arbitrary as long as the position can be transmitted, and the mounting position of the variable resistor is also an arbitrary position in the mirror cover correspondingly.