JP3217219B2 - Lever switch for vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lever switch for a vehicle, such as a dimmer passing switch for an automobile, which switches the switch to a predetermined switching state by swinging an operating lever.

[0002]

2. Description of the Related Art Conventionally, as this kind of technique, there is, for example, a technique disclosed in Japanese Utility Model Publication No. Hei 3-1857.
This technology is a switch that opens and closes by performing wiping by bending of a leaf spring fixed to a terminal member and a stopper member.

[0003]

However, according to the above-mentioned prior art, each of the leaf springs obtains a desired contact pressure.
There is a problem that a predetermined length is required, and the size of the switch is increased. Further, the length of wiping by the conventional leaf spring is determined by the length of the leaf spring and the amount of deflection of the leaf spring, and it is difficult to adjust the wiping length.
Further, in the above-described prior art, the leaf spring easily moves due to vibration or impact, and there is a problem in earthquake resistance and impact resistance.

[0004]

SUMMARY OF THE INVENTION The present invention has invented to solve the problems of the prior art described above, the swing
When operated, the passing position and the
Dima position or mist position and wiper washer
An operating lever that swings to the position, the package of the operating lever
Sing position and dimmer position, or mist position and
By operating to the washer position, one end of the operating lever
A movable plate that is pressed down and is moved downward, a contact plate whose upper end is locked to the movable plate, and a movable contact plate is locked to the lower end, and a movable contact plate that is disposed substantially horizontally with respect to the upper surface of the pole plate When, a fixed contact that contacts the movable contact plate, the lower end portion of the contact plate is in sliding contact, the poles of said moving contact plate
A pole plate having an inclined surface that moves in a direction horizontal to the upper surface of the plate, whereby the length of wiping of the movable contact plate can be accurately and easily set.

In addition, the present invention improves the contact pressure by fitting into a contact plate and interposing a spring between the movable platen and the movable contact plate.

In the contact plate of the present invention, the movable contact plate is moved laterally by an upper end portion of the movable plate being swingably locked to the movable plate and a lower end portion of the movable contact plate being elastically supported by the spring. And wiping is applied to the possible contact plate.

Further, the fixed contact of the present invention comprises a plurality of contacts having different heights, so that the movable contact plate is easily separated from the fixed contact when the switch is turned off.

The present invention is also directed to a first switch unit comprising a movable contact plate supported by a contact plate, and a movable contact plate and a fixed contact being opened and closed by a first operation of an operating lever. By providing a second switch portion that operates by moving the movable plate further down by operating the operation lever at the second stage, the number of components is reduced and the size of the switch is reduced.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to FIGS. Reference numeral 1 denotes, for example, an operation lever of a turn signal switch and a dimmer passing switch. Hereinafter, the operation lever 1 of the vehicle lever switch according to the present invention will be described in detail as an operation member for a turn signal switch and a dimmer passing switch. Will be described.

When the operating lever 1 pivotally supports the shaft 1a on the rotating body 4 and swings about the shaft 1a in the direction of arrow A, the first switch section is turned on by the first-stage operation. The second switch is switched by the operation of the second stage. Operation lever 1
Has a spring 2 and a moderating body 3 inserted at one end to fix the shaft 1a to the rotating body 4, and a headlight switch 5 composed of a rotating switch at the other end. The operation lever 1 swings in the directions indicated by arrows C and D about the shaft 4a of the rotating body 4, whereby the turn signal switch opens and closes.

As shown in FIG. 2, for example, as shown in FIG. 2, N is a neutral position, P is a passing position when the first stage operation is performed in the direction of arrow A, and MD is a second position in the direction of arrow A. This is the dimmer position when the operation at the level is performed.
The neutral position N, the passing position P, and the dimmer position MD of the operation lever 1 are examples of a case where the operation lever 1 is a dimmer / passing switch, and are not particularly limited at arbitrary positions.

The operation lever 1 has a neutral position N as described above, an OFF position, a first-passing position P as a mist position at which a so-called mist switch is turned on, and a second-stage wiper at which a wiper / washer switch is turned on.・ It may be the washer position. In this case, a second switch unit described later is an automatic return type switch.

As shown in FIG. 2, the moderator 3 is biased by the spring 2 and presses against a moderation groove 6a formed in the inner wall of the case 6. The moderator 3 is made of, for example, a steel ball or a moderation piece.

The rotating body 4 is placed in the case 6, and the shaft 4a is fixed to the shaft hole 7a of the lid 7 by the operation lever 1.
At the same time, it rotates in the directions of arrows C and D about the shaft 4a. As shown in FIG. 1, the rotating body 4 has a moderating body 8 which is pressed into a moderating groove (not shown) formed on the inner wall of the case 6 at two places on the side surface. The rotating body 4 has a movable element 10 on which a movable contact piece 9 for a turn signal is locked is attached to a lower surface. The rotating body 4 has a cam guide 11 urged by a spring placed on the upper surface thereof.

The headlight switch 5 is, as shown in FIG.
It is a rotary switch that is opened and closed by rotating a rotating knob 5a provided at the other end of the operating lever 1. 5b is
This is a movable contact piece that is locked to the rotary knob 5a via a spring.
5c is a fixed contact (not shown) that contacts the movable contact piece 5b.
, Which is inserted into the operation lever 1. Reference numeral 5d denotes a cord that is inserted into the operation lever 1 and has one end connected to the headlight switch pole plate 5c and the other end connected to the connector 5e. 5f is a moderation board. 5 g is a cap.

The case 6 includes a switch column (not shown).
Screw it to a base (not shown) that adheres to the base. As shown in FIG. 2, the moderation groove 6a of the case 6
Has a deep inclined groove on the upper side in order to automatically return to the neutral position N. The lid 7 is fitted on the upper surface of the case 6. The movable contact piece 9 slides on the pole board 14 by operating the operation lever 1 in the directions of arrows C and D, and contacts the fixed contact 18 to open and close.

Numeral 12 denotes a cancel cam engaged with a leaf spring 13, the upper part of which is pivotally supported by the lid 7, and the lower part of which is pivotally supported by the rotating body 4. The leaf spring 13 has a central portion inserted into the cancel cam 12 and both ends locked to the lower surface of the lid 7.

Reference numeral 14 denotes a pole plate fitted on the lower surface of the case 6, and fixed contacts 15, 16 for passing switches;
The fixed contact 17 for the dimmer switch, the fixed contact 18 for the turn signal switch, and the terminal 19 are insert-molded. The pole plate 14 has a through hole 14b and an inclined surface 14b.
and a blind hole 14c having d.

The step 14a is fixed to the fixed contact 15 on the pole plate 14.
The fixed contact 15 is formed between the fixed contact 16 and the fixed contact 16 so that the height of the fixed contact 16 is different. The step 14a shifts the timing at which the movable contact plate 26 comes into contact with and separates from the fixed contact 15 and the fixed contact 16, thereby further improving the wiping effect.

The blind hole 14c is a space for lowering the contact plate 27 between the fixed contact 15 and the fixed contact 16, and its shape is not particularly limited. For example, it may be a through hole or a groove. .

When the contact plate 27 that has descended slides, the inclined surface 14d is brought into contact with the contact plate 27.
Is swung in the direction of arrow E, and the movable contact plate 26 is moved in the direction of arrow F.
It is for moving in the direction and forcibly wiping. The inclined surface 14 d is
To form a side wall of the blind hole 14c on the fixed contact 15 side.

When the operation lever 1 swings in the direction of arrow A, the operation lever 20 is pressed by one end of the operation lever 1 and
It is a movable plate that descends. The movable platen 20 is vertically movably locked to a holder 24 via a push rod 21, a slider 22, and a spring 23. Further, the movable platen 20 locks the contact plate 27 via a spring 25 and a movable contact plate 26 so as to be swingable in the direction of arrow E.

The push rod 21 engages the shaft 21a with the holding groove 22a of the slider 22, presses the upper surface of the head 21b against the inner ceiling surface of the cylindrical portion 20a of the movable platen 20, and hangs down from the head 21b. The rod part 21c is the slider 22,
Moderation groove 28 of latching cam 28 through spring 23
a. The push rod 21 is mounted on the movable platen 2.
When 0 is pressed by the operating lever 1 and descends, the movable platen 2
0, and the lower end of the rod portion 21c is pressed against the detent groove 28a of the latching cam 28, whereby the shaft 21a
Swing around the center.

The slider 22 is urged by a spring 23,
The upper surface is pressed against the inner ceiling surface of the cylindrical portion 20a, and the operation lever 1
Is pivoted in the direction of arrow A, and is pushed down by the operation lever 1 to descend together with the movable platen 20. The spring 23 is interposed between the slider 22 and the holder 24.

The holder 24 has, on both side surfaces, elastic pieces 24a with claws which are engaged with locking grooves 20b formed at upper ends on both sides of the movable platen 20. The holder 24 has a plurality of claw-equipped elastic pieces 24b which are engaged with the through holes 14b of the pole board 14 and are formed on a lower surface thereof. Reference numeral 24c denotes a guide rod which is inserted into holes 20d formed on the left and right sides of the movable platen 20 to raise and lower the movable platen 20 without play. The guide rod 24c is composed of a plurality of protrusions formed on the upper surface of the holder 24.

The spring 25 is, for example, a cylindrical coil spring.
Is inserted between the movable platen 20 and the movable contact plate 26.

The movable contact plate 26 is a contact that constitutes a first switch section such as a passing switch with the fixed contacts 15 and 16, and is formed by plating an iron plate member with copper or the like having good conductivity. The movable contact plate 26 is held horizontally by inserting a latching piece 27a of a contact plate 27 approximately in the center and pressing the contact plate holding portion 27b by a spring 25. When the operation lever 1 is swung in the direction of arrow A to the passing position P, the movable contact plate 26 is lowered and comes into contact with the fixed contacts 15 and 16 to turn on the passing switch.

The contact plate 27 is formed, for example, by pressing an iron plate member, but may be a substantially columnar member or a resin member. The contact plate 27
As shown in FIG. 3, the engaging piece 27a is loosely fitted in the insertion hole 20c of the movable platen 20, and the notch 27c is engaged with the projection 20d. The contact plate 27 is vertically supported by the movable platen 20 by the elasticity of the spring 25.
The contact plate 27 is lowered together with the movable platen 20 when the operation lever 1 is swung in the direction of arrow A. And
The contact plate 27 has a lower end 27d having a blind hole 14d.
c, slides in the direction of arrow E by sliding on the inclined surface 14d,
The movable contact plate 26 is moved in the direction of arrow F. When the movable contact plate 26 is turned ON, the contact plate 27 is moved in the direction of arrow F by swinging in the direction of arrow E, and wiping is forcibly performed.

The latching cam 28 pivotally supports the shaft portions 28a formed on both side surfaces on the lower surface of the holder 24, and is pushed by the rod portion 21c of the push rod 21, swings, and switches the movable contact plate 29. The latching cam 28 has a moderation groove 28b formed on the upper surface thereof for contacting the push rod 21, and a blind hole 28 for inserting the spring 30 and the moderation piece 31 on the lower surface.
c is drilled.

The movable contact plate 29 includes two fixed contacts 17,
Reference numerals 17 and 17 denote contacts constituting a second switch unit such as a dimmer switch. The movable contact plate 29 is formed, for example, by fixing a copper thin plate spring member on a substantially V-shaped iron plate member. Since the detent piece 31 urged by the spring 30 is always in pressure contact with the movable contact plate 29, the movable contact plate 29 is always inclined left or right. When the operating lever 1 is swung in the direction of arrow A to the dimmer position MD, the latching cam 28 is pressed by the operating lever 1 and the movable platen 20, the push rod 21, and the slider 22 descend and swing. The movable contact plate 29 performs a seesaw motion by the swing of the latching cam 28, and switches the main dimmer of the headlight.

The detent piece 31 moves linearly and switches the movable contact plate 29 as the latching cam 28 swings. The movable contact plate 29 is, for example, a contact for a dimmer switch, and is swingably supported by a terminal 19 insert-molded on the pole board 14 as shown in FIG.

The present invention is configured as described above. Next, the operation will be described in detail with reference to FIGS. For example, when the operation lever 1 is not operated, as shown in FIG. 2, the detent body 3 urged by the spring 2 is pressed against the upper side of the slope of the detent groove 6a, and the operation lever 1 is moved to the neutral position N. is there. The movable platen 20, the push rod 21, and the slider 22
It is in a position where it is pressed by the spring 23 and rises.

The movable contact plate 26 is at a position separated from the fixed contacts 15 and 16 and raised. Since the push rod 21 is at the raised position, the rod portion 21c is separated from the moderation groove 28b of the latching cam 28. Movable contact plate 29
Since the moderation piece 31 constantly biased by the spring 30 is in pressure contact with the movable contact plate 29, it is tilted to the left or right, and the fixed contact 17 on the main side or the fixed contact 1 on the dimmer side is tilted.
7 is in contact.

When the rotary knob 5a rotates, the movable contact piece 5b comes into contact with the fixed contact of the headlamp switch pole plate 5c to turn on, and the small lamp and the headlamp are turned on. Then, if the turning knob 5a is turned in the original OFF position direction,
The headlight and the small lamp are sequentially turned off.

When the operating lever 1 is swung from the neutral position N to the passing position P, the operating lever 1
Rotates about the shaft 1a to lower the movable platen 20. The movable platen 20 is guided by the guide rods 24c and the elastic pieces with claws 24a and descends directly below. The spring 25, the movable contact plate 26, and the contact plate 27 are pressed by the movable plate 20 and descend. When the contact plate 27 is lowered, the lower end portion 27d is lowered on the inclined surface 14d to swing in the direction of the arrow E. The movable contact plate 26 descends together with the contact plate 27, and the step 1
By 4a, the fixed contact 15 is first contacted, and then the fixed contact 16 is contacted to turn on a first switch, for example, a passing switch.

At this time, the movable contact plate 26 is linearly moved in the direction of arrow F by the swing of the contact plate 27 in the direction of arrow E, and the wiping is forcibly performed. Since the moving distance of the movable contact plate 26 wiping in the direction of arrow F uses the inclined surface 14d, it can be easily and accurately set by measuring the distance that the contact plate 27 swings when operating the inclined surface 14d. .

At this time, the latching cam 28 and the movable contact plate 29 are connected to the rod portion 21 of the push rod 21.
c does not press the moderation groove 28b of the latching cam 28, and the second switch does not switch.

Further, when the operation lever 1 is moved to the dimmer position MD,
When the swing operation is performed in the direction of arrow A, the operation lever 1
The movable platen 20 is further rotated down around the center a.
The movable platen 20 is guided by the guide rods 24c and the elastic pieces with claws 24a and descends directly below. The movable platen 20 lowers the push rod 21 and the slider 22, and the slider 22 compresses the spring 23. When the push rod 21 is lowered, the lower end of the rod portion 21c presses the moderation groove 28b to tilt the latching cam 28 to the opposite side, and the shaft 2
It rotates around 1a. The moderation piece 31 moves to the opposite side on the movable contact plate 29 together with the latching cam 28, and the second switch portion, for example, a main dimmer of a dimmer switch is switched.

At this time, the contact plate 27 further descends together with the movable platen 20. The movable contact plate 26 does not descend because it is in pressure contact with the fixed contacts 15 and 16. The spring 25 is compressed by the movable plate 20 and the movable contact plate 26 as the movable plate 20 and the contact plate 27 descend.

When the operating lever 1 is released from the passing position P and the dimmer position MD, the spring 2 biasing the moderating body 3 and the slope of the moderating groove 6a against which the moderating body 3 is pressed. Automatically returns to the neutral position N.

The movable platen 20 returns to the original O position by the elasticity of the spring 23.
Return to FF position. As the movable platen 20 rises, the push rod 21, the slider 22, the spring 25, the movable contact plate 26, and the contact plate 27 rise together, and the movable contact plate 26 separates from the fixed contacts 15, 16 to turn off the first switch unit. . There is a step 14a between the fixed contact 15 and the fixed contact 16, and the fixed contact 15 and the fixed contact 16
Differ in height. For this reason, when the movable contact plate 26 is turned off, the movable contact plate 26 first separates from the fixed contact 16 below, and then separates from the fixed contact 15, and the switch is smoothly turned off.

The push rod 21 rises and separates from the moderation groove 28b of the latching cam 28. The moderation piece 31 inserted into the latching cam 28 is urged by the spring 30 to continuously press the movable contact plate 29,
To maintain the tilting state. That is, the second switch unit
Even if the operation lever 1 returns to the neutral position N, the state of the main dimmer in which the operation lever 1 is lowered to the dimmer position MD and switched is maintained.

Further, the operation lever 1 is operated by the arrow C or D
When the rocking operation is performed in the direction, the turn signal switch is turned on, and when returning to the original neutral position N, the turn signal switch is turned off.

[0044]

Since the present invention is constructed as described above, the following effects can be obtained. (1) The present invention is based on a shaft that is pivotally supported by a swing operation.
Passing position and dimmer position or mist position
Operating lever that swings to the wiper and washer position , the passing position and the dimmer position of the operating lever ,
Is the operation to the mist position and wiper / washer position ,
A movable plate that is pressed by one end of the operation lever and descends ,
Locking the upper portion to the movable plate, and the contact plate locking the movable contact plate to the lower end, and the movable contact plate arranged substantially <br/> horizontally with respect to the upper surface of the pole base, the movable contact a fixed contact that contacts the plate, a lower end portion of the contact plate is in sliding contact with the front
The movable contact plate is moved in a direction horizontal to the upper surface of the pole plate.
A pole plate having an inclined surface which Ru is dynamic, that was equipped with, can be accurately and easily set the length of the movable contact plate is wiped. (2) According to the present invention, the contact pressure can be improved because the spring is interposed between the movable platen and the movable contact plate while being fitted into the contact plate. (3) In the contact plate of the present invention, the movable contact plate can be moved laterally by the upper end portion of the movable plate being swingably locked to the movable plate, and the lower end portion of the contact plate being elastically supported by the spring. In addition, wiping is applied to the possible contact plate to prevent contact failure due to friction powder and the like. (4) Since the fixed contact of the present invention is composed of a plurality of contacts having different heights, the wiping effect of the movable contact plate is improved, and the movable contact plate is easily separated from the fixed contact when the switch is turned off. Can be prevented from being turned off. (5) The present invention provides a first switch unit, in which a movable plate is lowered to open and close a movable contact plate supported by a contact plate and a fixed contact when the first operation of the operation lever is performed; By providing the second switch section in which the movable plate is further lowered and operated in the operation of the second stage, the number of parts can be reduced and the size of the switch can be reduced. Three

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a preferred embodiment of the present invention.

FIG. 2 is a drawing showing a preferred embodiment of the present invention, and is an enlarged central longitudinal sectional view.

FIG. 3 is a drawing showing a preferred embodiment of the present invention, and is an enlarged front view of a pole plate in which a movable plate, a holder and the like are assembled.

FIG. 4 is a drawing showing a preferred embodiment of the present invention, and is an enlarged plan view of a pole plate on which a movable plate, a holder and the like are assembled.

[Explanation of symbols]

 Reference Signs List 1 operation lever 2, 23, 30 spring 14 pole board 14a step 14d inclined surface 15, 16 fixed contact 20 movable board 21 push rod 22 slider 24 holder 25 spring 26 movable contact plate 27 contact plate 27d lower end 28 latching cam 29 movable contact Board

Claims (5)

(57) [Claims] 1. A swinging operation centering on a shaft supported by a shaft
Passing position and dimmer position, or mist position and
An operating lever that swings to a wiper / washer position , the passing position and the dimmer position of the operating lever ,
Or a movable plate that is pushed down by one end of the operating lever when operating to the mist position and the wiper / washer position , the upper end is locked to the movable plate, and the movable contact plate is locked to the lower end. contact plates, a movable contact plate which is disposed substantially horizontally with respect to the upper surface of the pole base, a fixed contact that contacts the movable contact plate, the lower end portion of the contact plate is in sliding contact, wherein said movable contact plate pole board a lever switch for a vehicle to the pole plate having an inclined surface which moves in the direction parallel to the upper surface of, and characterized by including the. 2. The lever switch for a vehicle according to claim 1, further comprising a spring fitted into the contact plate and interposed between the movable platen and the movable contact plate. 3. The contact plate according to claim 1, wherein an upper end of the contact plate is swingably locked to the movable plate, and a movable contact plate is elastically supported at a lower end by the spring. A lever switch for a vehicle, characterized in that: 4. The vehicle lever switch according to claim 1, wherein the fixed contact comprises a plurality of contacts having different heights. 5. The movable contact plate supported by a contact plate and a fixed contact are opened and closed by the operation of a first stage of the operating lever, wherein the movable contact plate and the fixed contact are opened and closed. A lever switch for a vehicle, comprising: a first switch unit configured as described above; and a second switch unit that operates by moving the movable plate further down by operating the operation lever at a second stage.