JPH0986275A - Switch circuit for back mirror for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of terminals by a method wherein a seventh terminal to interconnect a first or a second motor on the left side or the right side and a four-way switch and a eighth terminal to interconnect a third motor on the right side or the left side and two-way switch are commonly used. SOLUTION: A seventh terminal 37 is connected respectively to the other terminal of a first motor M11 on the right side, the other terminal of a second motor M12, one terminal of a third motor M13, the other terminal of a first motor M21 on the left side, the other terminal of a second motor M22, one terminal of a third motor M23, and the third switch 43 of a four-way switch device SW. A eight terminal 38 is connected to the other terminal of the third motor 13 through a cutoff means 70 on the right side, the other terminal of the third motor M23 through a cutoff means 71 on the left side, and a second two-way switch device SW2. This connection commonly uses the seventh and eighth terminals 37 and 38. As a result, the number of terminals is reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch circuit for an automotive rearview mirror, and more particularly to a switch circuit for tilting the mirror body in the up / down and left / right directions and for returning and retracting the mirror assembly. In particular, the present invention relates to a switch circuit for a rearview mirror for an automobile, which can reduce the number of terminals connecting the motor side and the switch device side.

[0002]

2. Description of the Related Art A rear-view mirror for an automobile is generally a mirror base fixed to a vehicle body and a mirror assembly in which a mirror body is tiltably mounted in a mirror housing vertically and horizontally. And a mirror assembly mounted so as to be movable between a position and a storage position, and the mirror assemblies are mounted on both left and right sides outside the vehicle. In such an automotive rearview mirror,
The right side mirror body and the left side mirror body are tilted vertically and horizontally by remote control, and the right side mirror assembly and the left side mirror assembly are returned from the storage position to the use position, and stored from the use position. It is stored in the position. The tilting operation of the mirror body in the vertical and horizontal directions, and the returning operation and the storing operation of the mirror assembly are performed via the switch circuit.

This switch circuit includes a group of motors for tilting the mirror body vertically and horizontally and for returning and retracting the mirror assembly, tilting operation of the mirror body vertically and horizontally, and returning operation of the mirror assembly. And a switch device for performing a storing operation. The motor group tilts the right mirror body upward or downward by rotating in the forward or reverse direction.
Rotate forward or reverse with the motor to tilt the right mirror body to the right or left, and to the second right motor with forward or reverse rotation to tilt the left mirror body to upward or downward. A left-side first motor, and a left-side second motor that tilts the left-side mirror body rightward or leftward by rotating in the forward or reverse direction;
By rotating the mirror assembly on the right side in the forward or reverse direction, the right side mirror assembly is returned to the use position or stored in the storage position.
It is composed of a motor and a left side third motor that rotates the left side mirror assembly back to the use position or stores the left side mirror assembly in the storage position by rotating in the forward or reverse direction. On the other hand, the switch device switches between normal rotation and reverse rotation of the first right motor and forward rotation and reverse rotation of the second right motor, or forward rotation and reverse rotation of the first left motor and forward rotation and reverse rotation of the second left motor. A four-way switch device for performing, a first two-way switch device for switching between energization of the right side first motor and the right side second motor and energization of the left side first motor and the left side second motor, and a right side third motor And a second two-way switch device for switching between normal rotation of the left third motor and normal rotation of the right third motor and reverse rotation of the right third motor and reverse rotation of the left third motor. The four-way switching device and the second two-way switching device are connected to the power supply and the ground via the first terminal and the second terminal, respectively, and the first two-way switching device is connected to the third terminal and the third terminal. The four-way switch device is connected to the right-side first motor and the right-side second motor via the four terminals, and to the left-side first motor and the left-side second motor via the fifth terminals and the sixth terminals, respectively. The second two-way switch device is connected to at least one of the right-side first motor and the right-side second motor and at least one of the left-side first motor and the left-side second motor via the terminal, and the second two-way switch device has the eighth terminal. And a right side third motor and a left side third motor via the ninth terminal, respectively.

The operation of the switch circuit of the above-mentioned automobile rearview mirror will be described below. First, the first two-way switching device is switched to, for example, the "right side" while the second two-way switching device is switched to the "return operation side". In this state, operating the “upper side” of the four-way switch device causes the right side first motor to rotate forward and tilts the right side mirror body upward, and operating the “lower side” causes the right side first motor to rotate in reverse. The right mirror body tilts downwards, and when the "right" is operated, the right second motor rotates forward, the right mirror body tilts right, and the "left"
When is operated, the second motor on the right side rotates in reverse, and the mirror body on the right side tilts to the left.

Next, the first two-way switch device is switched to the "left side" while the second two-way switch device is switched to the "return operation side". In this state,
When the "upper side" of the four-way switch device is operated, the left first motor rotates forward and the left mirror body tilts upward, and when the "lower" is operated, the left first motor reverses and the left mirror body rotates. Tilts downward, and when the "right side" is operated, the left second motor rotates forward and the left mirror body tilts to the right. When "left" is operated, the left second motor reverses and the left mirror is rotated. The body leans to the left.

Then, when the second two-way switch device is switched to the "storage operation side", the right side third motor and the left side third motor respectively rotate in the forward direction so that the right side mirror assembly and the left side mirror assembly respectively move from the use position to the storage position. Moved to and stored. Further, when the second two-way switch device is switched to the "return operation side", the right side third motor and the left side third motor reversely rotate and the right side mirror assembly and the left side mirror assembly respectively move from the storage position to the use position. Will be restored.

[0007]

However, in the above-mentioned conventional switch circuit of the rear-view mirror for an automobile, the switch device, the motor group, the power supply and the ground are connected through nine terminals, and therefore the switch is used. 9 terminals on the device side, 7 terminals on the motor group side, 9 terminals on the switching device side, 7 terminals on the motor group side, and 9 harness cords connecting the power source and ground However, there are problems such as a large number of parts.

An object of the present invention is to provide a switch circuit for a rear-view mirror for an automobile, in which the number of terminals is reduced to reduce the number of parts.

[0009]

In order to achieve the above object, the present invention provides at least one of a right side first motor and a right side second motor and a left side first motor and a left side second motor.
A terminal to which at least one of the motors and the four-way switch device is connected, a right side third motor and a left side third motor
One of the two terminals to which the motor and the second two-way switch device are connected is made common.

According to the present invention, with the above configuration, the number of terminals on the switch device side is 8 compared to the conventional switch circuit described above.
6 terminals for the motor group, 8 terminals for the switch device
It is possible to reduce the number of harness cords that connect each terminal to the six terminals on the side of the motor group and the power supply and the ground to eight.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a switch circuit for an automobile rearview mirror of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a plan view in which a part of a door mirror as a rearview mirror for an automobile which is remotely operated by a switch circuit of the present invention is cut away. Note that FIG. 1 illustrates the right side door mirror. In the figure, A is a door mirror as a rear view mirror for an automobile. In this door mirror A, a mirror base 1 fixed to a vehicle body has a mirror assembly 10 via an electric storage mechanism 11 between a use position and a storage position (rear tilt position), and a use position (front tilt position). It is attached so that it can move between and. This mirror assembly 10
Is a mirror housing 12 and this mirror housing 1
2 and a mirror body 14 mounted so as to be tiltable vertically and horizontally via a power unit 13. The electric storage mechanism 11 described above is built in the mirror housing 12.

In the power unit 13 described above, there is a first motor (not shown) that tilts the mirror body 14 upward or downward by forward or reverse rotation, and by the mirror body 14 by forward or reverse rotation. And a second motor (not shown) for tilting the motor to the right or left. On the other hand, the above-described electric storage mechanism 11 has a mirror assembly 1 which can be rotated in the forward or reverse direction.
A third motor 15 (M13, M23) for returning 0 to the use position or storing it in the storage position is provided.

The door mirror A constructed as described above is
The doors (not shown) on the left and right sides of the exterior of the automobile are mounted via mirror bases 1, respectively. The left door mirror (not shown) is equipped with a first motor, a second motor, and a third motor, respectively, similarly to the right door mirror A. The first motor, the second motor, and the second motor of the right door mirror are installed. The motor, the third motor, the first motor, the second motor, and the third motor of the left door mirror form a motor group.

The mirror assembly 10 of the door mirror A described above can be rotationally displaced between the use position and the storage position by the third motor, and can be manually moved between the use position and the storage position (rear tilt position). And between the use position and the front tilt position can be rotationally displaced, and further, due to the cushioning effect, the use position can be pivotally displaced to the rear tilt position and from the use position to the front tilt position.

FIG. 2 is a plan view of a switch device for performing a tilting operation of the mirror body in the vertical and horizontal directions and a returning operation and a retracting operation of the mirror assembly. In the figure, B is a switch device. This switch device B is
On the right side of the upper surface of the case 2, a square-shaped push plate 20 of a four-way switch device SW is attached so that it can be pushed in four directions. This push plate 20
A switching knob 21 of the first two-way switch device SW1 is arranged in the center of the so as to be switchable in two directions. Also,
The second two-way switch device SW is provided on the left side of the upper surface of the case 2.
Two push plates 22 are attached so that they can be pushed in one direction (downward).

The four-way switch device SW includes a right-side door mirror A for normal rotation and reverse rotation of a first motor, a second motor for normal rotation and reverse rotation, or a left-side door mirror (not shown) for the first rotation.
The normal rotation and the reverse rotation of the motor and the forward rotation and the reverse rotation of the second motor are switched. The first two-way switch device SW
1 is for switching between energization of the first motor and the second motor of the right side door mirror A and energization of the first motor and the second motor of the left side door mirror. The second 2
The direction switch device SW2 is the third door mirror A on the right side.
The normal rotation of the motor and the normal rotation of the third motor of the left door mirror are switched to the reverse rotation of the right third motor and the reverse rotation of the left third motor.

FIG. 3 is a bottom view of the switch device for performing the tilting operation of the mirror body in the vertical and horizontal directions and the returning operation and the storing operation of the mirror assembly. In the figure, 31, 32, 33, 34, 35, 36, 37, 38
Are a first terminal, a second terminal, a third terminal, a fourth terminal, a fifth terminal, a sixth terminal, a seventh terminal and an eighth terminal. And 4
Directional switch device SW and second two-way switch device S
W2 is connected to a power supply (not shown) and a ground (not shown) via the first terminal 31 and the second terminal 32, respectively. The first two-way switch device SW1 has a third terminal 33.
And the first motor and the second motor of the right door mirror A via the fourth terminal 34, and the first motor and the second motor of the left door mirror via the fifth terminal 35 and the sixth terminal 36, respectively. Has been done. The four-way switch device SW is connected to the first door mirror A on the right side via the seventh terminal 37.
It is connected to at least one of the motor and the second motor and at least one of the first motor and the second motor of the left door mirror. The second two-way switch device SW2 is connected to the third motor of the right side door mirror A and the third motor of the left side door mirror through the above-mentioned seventh terminal 37, that is, the common terminal 37 and the eighth terminal 38, respectively. .

FIGS. 4 to 14 are electrical circuit diagrams showing a switch circuit of the present invention for performing tilting operations of the mirror body in the vertical and horizontal directions, and returning and retracting operations of the mirror assembly. The switch circuit of the present invention includes a group of motors (M) for tilting the mirror body 14 in the vertical and horizontal directions and for returning and retracting the mirror assembly 10.
11, M12, M13, M21, M22, M23),
Switch devices (SW, SW1, SW2) for tilting the mirror body 14 in the up-down and left-right directions, and for returning and retracting the mirror assembly 10 are connected to the switch device and the motor group, the power supply + and the earth-. Terminal group (31, 32, 33, 34, 35, 36, 37, 3
8) and a harness cord.

In the figure, A. R is for the right side door mirror. This right side door mirror A. In R, a first motor M11 for moving the right mirror body 14 up and down and a second motor M12 for moving the right mirror body 14 left and right.
And a third motor M13 for storing and returning the right mirror assembly 10 therein.

In the figure, A. L is a door mirror on the right side. This left side door mirror A. In the L, a first motor M21 for moving the left-side mirror body 14 up and down and a second motor M22 for moving the left-side mirror body 14 left and right.
And a third motor M23 for retracting and returning the left mirror assembly 10.

In the figure, SW is a four-way switch device. This four-way switch device SW includes four transfer contact structure switches (single pole double throw switch) 41, 4.
It is composed of 2, 43, and 44. Each of these switches 41, 42, 43, 44 has a B fixed contact 41.
0, 420, 430, 440 and A fixed contacts 411, 4
21, 431, 441 and C fixed contacts 412, 422,
432, 442 and movable contacts 413, 423, 433,
And 443. These switches 41,
42, 43, 44 are movable contacts 413 of the first switch 41 and the second switch 42 when the "upper" portion of the push plate 20 of the four-way switch device SW is pushed.
And 423 are switched from the B fixed contacts 410 and 420 to the A fixed contacts 411 and 421, and when the push operation at the above “upper” position is stopped, the movable contacts 413 and 423 of the first switch 41 and the second switch 42 are fixed to A. Contact point 4
11 and 421 are switched to B fixed contacts 410 and 420. Further, when the "lower" portion of the push plate 20 is pushed, the movable contacts 433 and 443 of the third switch 43 and the fourth switch 44 are switched from the B fixed contacts 430 and 440 to the A fixed contacts 431 and 441, and the above-mentioned " When the push operation of the "lower" part is stopped, the third
The movable contacts 433 and 443 of the switch 43 and the fourth switch 44 are switched from the A fixed contacts 431 and 441 to the B fixed contacts 430 and 440. Further, when the "right" portion of the push plate 20 is pushed, the movable contacts 423 and 4 of the second switch 42 and the third switch 43 are pushed.
33 is B fixed contact 420 and 430 to A fixed contact 42
When switching to 1 and 431 and stopping the push operation at the above-mentioned “right” position, the movable contacts 423 and 433 of the second switch 42 and the third switch 43 switch from the A fixed contacts 421 and 431 to the B fixed contacts 420 and 430. . Furthermore, when the "left" portion of the push plate 20 is pushed, the movable contacts 413 and 443 of the first switch 41 and the fourth switch 44 move the B fixed contact 410.
And 440 to the A fixed contacts 411 and 441, and when the push operation at the above-mentioned "left" is stopped, the first contact is made.
The movable contacts 413 and 443 of the switch 41 and the fourth switch 44 are switched from the A fixed contacts 411 and 441 to the B fixed contacts 410 and 440.

In the figure, SW1 is a first two-way switch device. This first two-way switch device SW1
Is composed of two switches (single pole double throw switch) 51 and 52 having a transfer contact structure. These switches 51 and 52 have B fixed contacts 510 and 52, respectively.
0, A fixed contacts 511 and 521, and C fixed contact 51
2, 522 and movable contacts 513, 523. In these switches 51 and 52, when the switching knob 21 of the first two-way switch device SW1 is switched to the “right side”, the movable contacts 513 and 523 of the first switch 51 and the second switch 52 cause the A fixed contacts 511 and 521 to move. To B fixed contacts 510 and 520. When the above-mentioned switching knob 21 is switched to the “left side”, the first switch 5
The movable contacts 513 and 523 of the first and second switches 52 are switched from the B fixed contacts 510 and 520 to the A fixed contacts 511 and 521.

In the figure, SW2 is a second two-way switch device. This second two-way switch device SW2
Is composed of two switches (single pole double throw switch) 61 and 62 having a transfer contact structure. These switches 61 and 62 have B fixed contacts 610 and 62, respectively.
0, A fixed contacts 611 and 621, and C fixed contact 61
2, 622 and movable contacts 613, 623. These switches 61, 62 are operated by the first switch 6 when the push plate 22 of the second two-way switch device SW2 is pushed by the first "storing operation".
The movable contacts 613 and 623 of the first and second switches 62 are switched from the B fixed contacts 610 and 620 to the A fixed contacts 611 and 621. Two push plates 22
When the push operation is performed by the "return operation" for the second time, the movable contacts 613 and 6 of the first switch 61 and the second switch 62 are moved.
23 is from the A fixed contacts 611 and 621 to the B fixed contact 61
Switch to 0 and 620.

In the figure, 70 and 71 are means for cutting off the power supply to the third motor M13 on the right side and the third motor M23 on the left side when the mirror assembly 10 is in the use position or the storage position. This blocking means 70 and 7
1 is the third motor M13 on the right side and the third motor M on the left side
23 and the switch device. The interrupting means 70 and 71 are, for example, means for electrically interrupting power supply using a PTC element or the like, means for mechanically interrupting power supply using a switch device, fixed conductive print and sliding. There are means for electrically and mechanically cutting off power supply using terminals and the like.

Then, the above-mentioned switch device (SW, SW
1, SW2) and the motor group (M11, M12, M) described above.
13, M21, M22, M23) and the power source + and the ground − are the above-mentioned eight terminals 31, 32, 33, 34, and 3.
They are connected via 5, 36, 37, 38 and 8 harness cords. That is, the first terminal 31 includes the power source +, the C fixed contact 412 of the first switch 41 and the A fixed contact 4 of the third switch 43 of the four-way switch device SW.
31 and the A fixed contact 441 of the fourth switch 44, and the second
A of the first switch 61 of the two-way switch device SW2
Fixed contact 611 and B fixed contact 62 of the second switch 62
0 and 0, respectively. The second terminal 32 is connected to the ground − and the B fixed contact 610 of the first switch 61 and the A fixed contact 621 of the second switch 62 of the second two-way switch device SW2, respectively. Third
The terminal 33 is one terminal of the first motor M11 on the right side,
It is connected to the B fixed contact 510 of the first switch 51 of the first two-way switch device SW1, respectively. 4th
The terminal 34 is one terminal of the right second motor M12,
It is connected to the B fixed contact 520 of the second switch 52 of the first two-way switch device SW1, respectively. Fifth
The terminal 35 includes one terminal of the left first motor M21,
It is connected to the A fixed contact 511 of the first switch 51 of the first two-way switch device SW1, respectively. Sixth
The terminal 36 is one terminal of the left second motor M22,
It is connected to the A fixed contact 521 of the second switch 52 of the first two-way switch device SW1, respectively. Seventh
The terminal 37 includes the other terminal of the first motor M11 on the right side, the other terminal of the second motor M12 and one terminal of the third motor M13, and the other terminal of the first motor M21 on the left side and the second motor M22. The other terminal and the third motor M23
One of the terminals is connected to the C fixed contact 432 of the third switch 43 of the four-way switch device SW. The eighth terminal 38 is connected to the third terminal via the blocking means 70 on the right side.
The other terminal of the motor M13, the other terminal of the third motor M23, and the C fixed contact 622 of the second two-way switch device SW2 are connected to each other via the disconnecting means 71 on the left side.

Further, in the switch device, the A fixed contact 4 of the first switch 41 of the four-way switch device SW is used.
11 and the A fixed contact 421 of the second switch are connected to each other. Second switch 4 of four-way switch device SW
B fixed contact 420 of No. 2, B fixed contact 430 of the third switch 43, B fixed contact 440 of the fourth switch 44,
The C fixed contact 612 of the first switch 61 of the second two-way switch device SW2 is connected to each other. C fixed contact 422 of the second switch 42 of the four-way switch device SW
And the first switch 5 of the first two-way switch device SW1.
No. 1 C fixed contact 512 is connected to each other. C fixed contact 4 of the fourth switch 44 of the four-way switch device SW
42 and the C fixed contact 522 of the second switch 52 of the first two-way switch device SW1 are connected to each other.

The switch circuit of the present invention in this embodiment has the above-mentioned structure, and its operation will be described below with reference to FIGS. 4 to 14. First, the second 2
With the directional switch device SW2 in the "return operation" state, the switching knob 21 of the first two-way switch device SW1 is switched to the "right side" (see FIG. 4).

When the "upper" portion of the push plate 20 of the four-way switch device SW is pushed in the above-mentioned state, as shown in FIG.
The movable contacts 413 and 423 of the switch 41 and the second switch 42 are switched from the B fixed contacts 410 and 420 to the A fixed contacts 411 and 421. As a result, the current changes from the power source + → the first terminal 31 → the C fixed contact 412 of the first switch 41 of the four-way switch device SW → the movable contact 413 → the A fixed contact 411 → the A fixed contact 421 of the second switch 42 →
Movable contact 423 → C fixed contact 422 → C fixed contact 512 of the first switch 51 of the first two-way switch device SW1
→ movable contact 513 → B fixed contact 510 → third terminal 33 →
The first motor M11 on the right side → the seventh terminal 37 → the C fixed contact 432 of the third switch 43 of the four-way switch device SW → the movable contact 433 → the B fixed contact 430 → the first switch 61 of the second two-way switch device SW2. C fixed contact 612 →
The movable contact 613 → the B fixed contact 610 → the second terminal 32 → minus-flows, the first motor M11 on the right side normally rotates in the direction of arrow U, and the mirror body 14 on the right side tilts upward. When the push operation on the “upper” portion of the push plate 20 is stopped, the movable contacts 413 and 423 of the first switch 41 and the second switch 42 described above move from the A fixed contacts 411 and 421 to the B fixed contacts 410 and 420.
As shown in FIG. 4, the current flow stops and the upward tilting of the right mirror body 14 is stopped.

Next, when the "lower" portion of the push plate 20 of the four-way switch device SW is pushed, as shown in FIG. 6, the third switch 43 and the fourth switch 44 of the four-way switch device 4 are movable. Contact points 433 and 443
Switches from the B fixed contacts 430 and 440 to the A fixed contacts 431 and 441. As a result, the current is the power source + → the first terminal 31 → the third switch 4 of the four-way switch device SW.
A fixed contact 431 of 3 → movable contact 433 → C fixed contact 4
32 → seventh terminal 37 → first motor M11 on the right side → third terminal 33 → first switch 5 of the first two-way switch SW1
1 B fixed contact 510 → movable contact 513 → C fixed contact 5
C of the second switch 42 of the 12 → 4 direction switch device SW
Fixed contact 422 → movable contact 423 → B fixed contact 420 →
C fixed contact 612 → movable contact 613 → B fixed contact 610 of the first switch 61 of the second two-way switch device SW2.
→ Second terminal 32 → minus −, the first motor M11 on the right side reverses in the direction of arrow D, and the mirror body 14 on the right side tilts downward. Push plate 2 above
When the push operation at the “lower” position of 0 is stopped, the movable contacts 433 of the third switch 43 and the fourth switch 44 described above are stopped.
And 443 are switched from the A fixed contacts 431 and 441 to the B fixed contacts 430 and 440, the current flow is stopped and the right mirror body 1 is stopped as shown in FIG.
The downward tilt of 4 stops.

Furthermore, when the "right" portion of the push plate 20 of the four-way switch device SW is pushed,
As shown in FIG. 7, the movable contacts 423 and 43 of the second switch 42 and the third switch 43 of the four-way switch device 4 are moved.
3 is B fixed contacts 420 and 430 to A fixed contact 421
And 431. As a result, the current is
First terminal 31 → A fixed contact 431 of the third switch 43 of the four-way switch device SW → movable contact 433 → C fixed contact 432 → seventh terminal 37 → second motor M12 on the right side → fourth
Terminal 34 → B fixed contact 520 of second switch 52 of first two-way switch SW1 → moving contact 523 → C fixed contact 522 → C fixed contact 442 of fourth switch 44 of four-way switch device SW → moving contact 443 → B fixed contact 440
→ The first switch 61 of the second two-way switch device SW2
C fixed contact 612 → movable contact 613 → B fixed contact 61
The flow proceeds from 0 → second terminal 32 → minus-, the second motor M12 on the right side normally rotates in the direction of arrow R, and the mirror body 14 on the right side tilts to the right. When the push operation at the “right” portion of the push plate 20 is stopped, the movable contacts 42 of the second switch 42 and the third switch 43 described above are stopped.
Since 3 and 433 are switched from the A fixed contacts 421 and 431 to the B fixed contacts 420 and 430, the above-described current flow is stopped and the right tilting of the right mirror body 14 is stopped, as shown in FIG.

Furthermore, when the "left" portion of the push plate 20 of the four-way switch device SW is pushed, as shown in FIG. 8, the first switch 41 and the fourth switch 44 of the four-way switch device 4 are movable. The contacts 413 and 443 change from the B fixed contacts 410 and 440 to the A fixed contact 4
11 and 441. As a result, the current changes from the power source + → the first terminal 31 → the A fixed contact 441 of the fourth switch 44 of the four-way switch device SW → the movable contact 443 → the C fixed contact 442 → the second switch of the first two-way switch SW1. C fixed contact 522 → movable contact 523 → B fixed contact 520 → fourth terminal 34 → right side second motor M12 → seventh terminal 37 → third switch 4 of the four-way switch device SW of 52
C fixed contact 432 → movable contact 433 → B fixed contact 4
30 → the C fixed contact 612 of the first switch 61 of the second two-way switch device SW2 → the movable contact 613 → the B fixed contact 610 → the second terminal 32 → the minus −, and the second motor M12 on the right side is indicated by the arrow L. Then, the mirror body 14 on the right side tilts to the left. When the push operation of the "left" portion of the push plate 20 is stopped, the movable contacts 413 and 443 of the first switch 41 and the fourth switch 44 described above move from the A fixed contacts 411 and 441 to B, respectively.
Since the contacts are switched to the fixed contacts 410 and 440, the above-described current flow is stopped and the tilting of the right mirror body 14 in the left direction is stopped, as shown in FIG.

Then, the second two-way switch device SW
The switch knob 21 of the first two-way switch device SW1 is switched to the "left side" while 2 is in the "return operation" state.
In this state, when the "upper" portion of the push plate 20 of the four-way switch device SW is pushed, the movable contacts 413 of the first switch 41 and the second switch 42 of the four-way switch device 4 are pushed, as shown in FIG. And 423 from B fixed contacts 410 and 420 to A fixed contacts 411 and 42.
Switch to 1. As a result, the current is the power source + → the first terminal 31 → C of the first switch 41 of the four-way switch device SW.
Fixed contact 412 → movable contact 413 → A fixed contact 411 →
A fixed contact 421 of second switch 42 → movable contact 423
→ C fixed contact 422 → first two-way switch device SW1
C fixed contact 512 of first switch 51 → movable contact 51
3 → A fixed contact 511 → fifth terminal 35 → first motor M21 on the left side → seventh terminal 37 → C fixed contact 432 of the third switch 43 of the four-way switch device SW → movable contact 433 →
B fixed contact 430 → C fixed contact 612 of the first switch 61 of the second two-way switch device SW2 → movable contact 613
→ B fixed contact 610 → second terminal 32 → minus −, the left first motor M21 rotates in the direction of arrow U forward,
The left mirror body 14 tilts upward. When the push operation of the “upper” portion of the push plate 20 is stopped, the first switch 41 and the second switch 4 described above are stopped.
Since the two movable contacts 413 and 423 are switched from the A fixed contacts 411 and 421 to the B fixed contacts 410 and 420, the above-described current flow is stopped and the left mirror body 1
The upward tilt of 4 stops.

Next, when the "lower" portion of the push plate 20 of the four-way switch device SW is pushed, as shown in FIG. 10, the third switch 43 and the fourth switch 44 of the four-way switch device 4 are movable. Contacts 433 and 44
3 from B fixed contacts 430 and 440 to A fixed contact 431
And 441. As a result, the current is
1st terminal 31-> A fixed contact 431 of the 3rd switch 43 of 4-way switch device SW-> movable contact 433-> C fixed contact 432-> 7th terminal 37-> 1st motor M21 on the left side-> 5th
Terminal 35 → A fixed contact 511 of the first switch 51 of the first two-way switch SW1 → movable contact 513 → C fixed contact 512 → C fixed contact 422 of the second switch 42 of the four-way switch device SW → movable contact 423 → B fixed contact 420
→ The first switch 61 of the second two-way switch device SW2
C fixed contact 612 → movable contact 613 → B fixed contact 61
The flow proceeds from 0 → second terminal 32 → minus-, the left first motor M21 reverses in the direction of arrow D, and the left mirror body 14 tilts downward. When the push operation at the "lower" portion of the push plate 20 is stopped, the movable contacts 43 of the third switch 43 and the fourth switch 44 described above are stopped.
Since 3 and 443 are switched from the A fixed contacts 431 and 441 to the B fixed contacts 430 and 440, the above-described current flow is stopped and the downward tilting of the left mirror body 14 is stopped.

Further, when the "right" portion of the push plate 20 of the four-way switch device SW is pushed,
As shown in FIG. 11, the movable contacts 423 and 4 of the second switch 42 and the third switch 43 of the four-way switch device 4 are moved.
33 is B fixed contact 420 and 430 to A fixed contact 42
Switch to 1 and 431. As a result, the current is
→ 1st terminal 31 → A fixed contact 431 of the 3rd switch 43 of 4-way switch device SW → movable contact 433 → C fixed contact 432 → 7th terminal 37 → left side 2nd motor M22 → 6th terminal 36 → 1st Fixed contact 521 of the second switch 52 of the two-way switch SW1 → movable contact 523 → fixed C contact 522 → fourth switch 44 of the four-way switch device SW
C fixed contact 442 → movable contact 443 → B fixed contact 44
0 → the first switch 6 of the second two-way switch device SW2
1 C fixed contact 612 → movable contact 613 → B fixed contact 6
10 → second terminal 32 → minus −, then the second on the left
The motor M22 rotates normally in the direction of arrow R, and the left mirror body 14 tilts to the right. When the push operation of the “right” portion of the push plate 20 is stopped, the movable contact 4 of the second switch 42 and the third switch 43 described above is stopped.
Since 23 and 433 are switched from the A fixed contacts 421 and 431 to the B fixed contacts 420 and 430, the above-described current flow is stopped and the tilting of the left mirror body 14 in the right direction is stopped.

Furthermore, when the "left" portion of the push plate 20 of the four-way switch device SW is pushed, as shown in FIG.
The movable contacts 413 and 443 of the switch 41 and the fourth switch 44 are switched from the B fixed contacts 410 and 440 to the A fixed contacts 411 and 441. As a result, the current changes from the power source + → the first terminal 31 → the A fixed contact 441 of the fourth switch 44 of the four-way switch device SW → the movable contact 443 → the C fixed contact 442 → the second switch of the first two-way switch SW1. 52 C fixed contact 522 → movable contact 523 → A fixed contact 521 → sixth terminal 36 → left second motor M22 →
7th terminal 37-> C fixed contact 432 of the 3rd switch 43 of 4-way switch device SW-> movable contact 433-> B fixed contact 430-> C fixed contact 612 of 1st switch 61 of 2nd 2-way switch device SW2-> movable. The contact 613 → B fixed contact 610 → second terminal 32 → minus − flows, the left second motor M22 reverses in the direction of arrow L, and the left mirror body 14 tilts left. When the push operation of the "left" portion of the push plate 20 is stopped,
Since the movable contacts 413 and 443 of the first switch 41 and the fourth switch 44 described above are switched from the A fixed contacts 411 and 441 to the B fixed contacts 410 and 440, the above-described current flow is stopped and the left side mirror body 14 is left. Directional tilt stops.

Then, the state shown in FIG. 4, that is, the state in which the switching knob 21 of the first two-way switching device SW1 is switched to the "right side" (or although not shown, the switching knob 21 of the first two-way switching device SW1). Is switched to "left side"), the second two-way switch device SW2 is switched to "storing operation". Then, as shown in FIG. 13, the current is changed from the power source + to the first terminal 31 to the second 2
A fixed contact 611 of the first switch 61 of the directional switch device SW2 → movable contact 613 → C fixed contact 612 → B fixed contact 43 of the third switch 43 of the four-way switch device SW
0 → moving contact 433 → C fixed contact 432 → seventh terminal 37
→ The third motor M13 on the right side and the third motor M23 on the left side
→ breaking means 70 and 71 → eighth terminal 38 → C fixed contact 6 of the second switch 62 of the second two-way switch device SW2
22 → movable contact 623 → A fixed contact 621 → second terminal 3
2 → minus-, the third motor M13 on the right side and the third motor M23 on the left side respectively rotate in the direction of arrow F, and the right side mirror assembly 10 and the left side mirror assembly 10 move from the use position to the storage position. It is rotated and displaced. When the right side mirror assembly 10 and the left side mirror assembly 10 described above are located at the retracted position, the breaking means 70 and 71 are activated to stop the above-described current flow,
The right mirror assembly 10 and the left mirror assembly 10 are stored in the storage position.

At this time, in the four switches 41, 42, 43, 44 of the four-way switch device SW, even if the push plate 20 is pushed up, down, left or right, it is not connected to the ground-side, so the mirror body 14 Is not tilted up, down, left or right. In this case, the mirror assembly 1
Since 0 is stored in the storage position, mirror body 1
There is no particular problem because there is no need to visually check the back at 4.
In addition, in this embodiment, it is configured not to be connected to the ground-side, but it may be configured not to be connected to the power source + side.

Then, when the second two-way switch device SW2 is switched to the "use operation" from the state of FIG. 13 described above, as shown in FIG.
1 → second switch 6 of second two-way switch device SW2
2 B fixed contact 620 → movable contact 623 → C fixed contact 6
22 → Eighth terminal 38 → Right-side breaking means 70 and left-side breaking means 71 → Right-side third motor M13 and left-side third motor M23 → Seventh terminal 37 → C of the third switch 43 of the four-way switch device SW Fixed contact 432 → movable contact 433
→ B fixed contact 430 → second two-way switch device SW2
C fixed contact 612 of the first switch 61 → movable contact 61
3 → B fixed contact 610 → second terminal 32 → minus −, the third motor M13 on the right side and the third motor M on the left side
23 reverses in the direction of arrow G, and the right mirror assembly 10 and the left mirror assembly 10 are rotationally displaced from the retracted position to the use position. The right side mirror assembly 10 and the left side mirror assembly 10 described above.
When is in the use position, the breaking means 70 and 71 are actuated, the above-mentioned current flow is stopped, and the right side mirror assembly 10 and the left side mirror assembly 10 are returned to the use position.

In the state of this use position, as shown in FIG.
As shown in FIG. 12, when the four-way switch device SW and the first two-way switch device SW1 are operated to tilt the right-side mirror body 14 or the left-side mirror body 14 up, down, left and right, the above-mentioned breaking means Since the power supply to the right side third motor M13 and the left side third motor M23 is cut off by the operation of 70 and 71, the right side third motor M13
The motor M13 and the third motor M23 on the left side are not driven. As a result, when the right mirror body 14 or the left mirror body 14 is tilted vertically and horizontally,
There is no risk that the left and right mirror assemblies 10 will be stored or returned.

As described above, the switch circuit of the automotive rearview mirror of the present invention in this embodiment is the first motor M on the right side.
11 and the second motor M12 and the left first motor M21
And the third of the second motor M22 and the four-way switch device SW
A terminal connected to the switch 43 (a so-called common terminal)
And the third motor M13 on the right side and the third motor M2 on the left side
A terminal to which 3 and the first switch of the second two-way switch device SW2 are connected (via the third switch 43 of the four-way switch device SW) is shared as a seventh terminal. As a result, the switch circuit of the present invention has a switching device (SW, SW) that is larger than that of the conventional switch circuit described above.
1, SW2) side terminals to eight, motor group (M11, M
12, M13, M21, M22, M23) side terminal 6
8 terminals on the switching device (SW, SW1, SW2) side and a motor group (M11, M12, M13, M21).
The number of harness cords that connect the six terminals on the (M22, M23) side and the power supply + and the ground − can be reduced to eight, respectively.

In this embodiment, the seventh terminal 37
The first motor M11 and the second motor M12 on the right side and the first motor M21 and the second motor M22 on the left side are respectively connected to the 7th terminal 37.
It is sufficient that either one of the motor M11 and the second motor M12 and one of the left first motor M21 and the second motor M22 are connected. In this case, the first motor M on the right side
11 and the second motor M12 to the third terminal 33, the fourth terminal 3
First two-way switch device SW via any one of
The first motor M11 and the second motor M on the right side, which are connected to either one of the first switch 51 and the second switch 52.
The other of 12 is connected to the third terminal 33 and the other of the fourth terminal 34 to the first switch 5 of the first two-way switch device SW1.
The first motor M21 and the second motor M22 on the left side are connected to the other of the first and second switches 52 and the fifth terminal 35,
It is connected to either one of the first switch 51 and the second switch 52 of the first two-way switch device SW1 via one of the sixth terminals 36, and is connected to the left first motor M21 and second motor M22. The other is connected to the other of the first switch 51 and the second switch 52 of the first two-way switch device SW1 via the other of the fifth terminal 35 and the sixth terminal 36.

In particular, in this embodiment, in the four-way switch device SW, at least three switches 42, 43 and 44 of the four switches are connected via the first switch 61 of the second two-way switch device SW2. Earth-side (Fig. 4
And FIG. 14) or a switch having a normally-closed transfer contact structure which is always connected to the + side (see FIG. 13) of the power supply, so that the second two-way switch device SW2 is returned or At the time of storing operation, a circuit composed of the third motor M13 on the right side and the third motor M23 on the left side, the power source + and the ground − is configured via the four-way switch device SW and the second two-way switch device SW2. As a result, as described above, even if the seventh terminal 37 is used in common, there will be some trouble in returning or storing the left and right mirror assemblies 10 by the returning operation or the storing operation of the second two-way switch device SW2. There is no fear.

[0043]

As described above, the switch circuit of the rear-view mirror for an automobile according to the present invention includes at least one of the first right motor and the second right motor, and the first left motor.
A terminal to which at least one of the left side second motors and the four-way switch device is connected, and two terminals to which the right side third motor and the left side third motor and the second two-way switch device are connected. Since either one of the terminals is commonly used, the number of terminals on the switch device side is eight,
The number of terminals on the motor group side can be reduced to 6, and the number of harness cords for connecting the eight terminals on the switching device side to the six terminals on the motor group side and the power supply and the ground can be reduced to eight.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view of a door mirror as a rearview mirror for an automobile, which is remotely operated by a switch circuit of the present invention.

FIG. 2 is a plan view of a switch device for performing a tilting operation of a mirror body in up, down, left and right directions, and a returning operation and a retracting operation of a mirror assembly.

FIG. 3 is also a bottom view of the switch device.

FIG. 4 is an electric circuit diagram of a switch circuit of the present invention.

FIG. 5 is an electric circuit diagram of a state in which the mirror surface on the right side is also operated upward.

FIG. 6 is an electric circuit diagram of a state in which the mirror surface on the right side is also operated downward.

FIG. 7 is an electric circuit diagram of a state in which the mirror surface on the right side is also operated to the right side.

FIG. 8 is an electric circuit diagram of a state where the mirror surface on the right side is operated to the left side.

FIG. 9 is an electric circuit diagram of a state in which the mirror surface on the left side is also operated upward.

FIG. 10 is an electric circuit diagram of a state in which the mirror surface on the left side is also operated downward.

FIG. 11 is an electric circuit diagram of a state in which the mirror surface on the left side is also operated to the right side.

FIG. 12 is an electric circuit diagram of a state where the mirror surface on the left side is operated to the left side.

FIG. 13 is an electric circuit diagram of a state in which the left and right mirror assemblies are stored and operated.

FIG. 14 is an electric circuit diagram showing a state in which the mirror assemblies on the left and right sides are similarly returned to their original positions.

[Explanation of Codes] A ... Door mirror, 1 ... Mirror base, 10 ... Mirror assembly, 11 ... Electric storage mechanism, 12 ... Mirror housing, 13 ... Power unit, 14 ... Mirror body, B
... Switch device, SW ... 4-way switch device, SW1 ...
First two-way switch device, SW2 ... Second two-way switch device, 20 ... Four-way switch device push plate, 21 ... First two-way switch device switching knob, 22
... Push plate of second two-way switch device, 31
... first terminal, 32 ... second terminal, 33 ... third terminal, 34 ...
44th terminal, 35 ... 5th terminal, 36 ... 6th terminal, 37 ...
7th terminal, 38 ... 8th terminal, 41 ... 1st switch of 4 way switch device, 42 ... 2nd switch, 43 ... 3rd switch, 44 ... 4th switch, 51 ...
First switch of the first two-way switch device, 52 ... Similarly, second switch, 61 ... First switch of the second two-way switch device, 62 ... Similarly, second switch, 70 and 71
… Blocking means.

Claims (4)

[Claims] 1. A mirror base fixed to a vehicle body, and a mirror assembly in which a mirror body is attached to a mirror housing so as to be vertically and horizontally tiltable.
A switch circuit for a rear-view mirror for an automobile, comprising: a mirror assembly movably attached to the mirror base between a use position and a storage position; A right first motor that tilts the right mirror body upward or downward by forward or reverse rotation, and a right first mirror body that tilts right or left by forward or reverse rotation. A left second motor that tilts the left mirror body upwards or downwards by rotating in the forward or reverse direction with a right second motor, and a left motor body that rotates the left mirror body in the right direction by rotating forward or reverse. Or, the left side second motor is tilted leftward, and the right side mirror assembly is returned to the use position or the retracted position by rotating in the forward or reverse direction. A right-side third motor to be stored, and a left-side third motor to return the left-side mirror assembly to a use position or to store at a storage position by rotating in the forward or reverse direction; A four-way switch device for switching between forward rotation and reverse rotation of the right second motor, or forward rotation and reverse rotation of the left first motor, and forward rotation and reverse rotation of the left second motor, and the right first motor and A first two-way switch device for switching between energization of the right side second motor and energization of the left side first motor and the left side second motor; forward rotation of the right side third motor and the left side first motor A second two-way switch device for switching between a normal rotation of a three-motor, a reverse rotation of the right-side third motor, and a reverse rotation of the left-side third motor; a power source, the four-direction switch device, and the second two-direction Switch device And a second terminal to which the ground is connected to the four-way switch device and the second two-way switch device, the right side first motor and the right side second motor, and the second terminal 1
Third terminal and fourth connected to the two-way switch device
A terminal, the left first motor, the left second motor, and the first
Fifth terminal and sixth terminal connected to the two-way switch device
A terminal, at least one of the right side first motor and the right side second motor, and the left side first motor and the left side second motor
A seventh terminal to which at least one of the motors and the four-way switch device is connected, the right third motor, the left third motor, and the second terminal
8th terminal and 9th terminal connected to the two-way switch device
A switch circuit for a rear-view mirror for an automobile, comprising: a terminal; and one of the eighth terminal and the ninth terminal;
A switch circuit for an automobile rearview mirror, which has a common terminal. 2. The four-way switch device is composed of four switches, and at least three switches of the four switches are connected to the power supply or the power supply via the second two-way switch device. It is composed of a normally-closed transfer switch which is always connected to the ground side, and when the second two-way switch device is returned or stored, the four-way switch device and the second switch device are connected.
The rear-view mirror for an automobile according to claim 1, wherein a circuit composed of the third motor on the right side, the third motor on the left side, the power source, and the ground is configured via the two-way switch device. Switch circuit. 3. The four-way switch device and the second two-way switch device, when the second two-way switch device is in a retracted operation state, the four-way switch device and the power source or the ground is connected. 3. The vehicle according to claim 1 or 2, which is cut off, and the driving of the right side first motor, the right side second motor, the left side first motor and the left side second motor is stopped. Switch circuit of rearview mirror. 4. The right side third motor and the left side third motor are connected to the right side third motor and the left side third motor when the mirror assembly is in the use position or the storage position. The switch circuit for a rearview mirror for an automobile according to claim 1, 2 or 3, further comprising means for cutting off power supply.