JP2002373560A - Lever switch gear - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to reduce the number of parts, and also to reduce assembling man-hours, and further to reduce the cost to assemble. SOLUTION: At the lower case 13, the first to the fifth press-operating parts 16 to 20 press-operated by a operating lever 23 are integrally formed. Further, at a plate-formed contact member 42 mounted on the upper face of a wiring substrate 34, the first to the fifth movable contact points 45 to 49 press-operated by the first to the fifth press-operating parts 16 to 20 are integrally formed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lever switch device having a structure in which a plurality of pressing operation portions are pressed by the operating lever in accordance with the turning operation of the operating lever.

[0002]

FIG. 9 shows an example of a conventional structure of a lever switch device in an automobile, for example. In this case, the operation lever 1 is provided so as to be rotatable about the first shaft 1a in the direction of arrow A, and is also rotatable about a second shaft (not shown) in a direction intersecting with the arrow A. It is provided in. A through hole 2a is formed in the case 2, and a push rod 3 constituting a pressing operation unit is inserted into the through hole 2a. A wiring board 4 is provided on the back side of the case 2, and fixed contacts 5 are provided on the surface of the wiring board 4. A contact member 6 made of a leaf spring is provided between the wiring board 4 and the case 2, and a contact portion 6 a of the contact member 6 faces the fixed contact 5 from above. A switch is constituted by the contact member 6 and the fixed contact 5.

In this configuration, when the push rod 3 is pressed by the operation lever 1, the contact 6 a of the contact member 6 is pressed by the push rod 3, and the contact 6 a comes into contact with the fixed contact 5. The switch turns on.

In the above-mentioned conventional configuration, the switch is of the opposed contact type, and the push rod 3 is required for each contact member 6, so that the cost is increased accordingly. In addition, since the number of parts increases, the number of assembling steps also increases, and the cost also increases in this respect. Further, since the contact member 6 is required for each switch, the cost is also increased, and the number of parts is also increased, so that the number of assembling steps is increased, which also increases the cost.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lever switch device which can reduce the number of parts, reduce the number of assembling steps, and reduce the cost.

[0006]

In order to achieve the above object, a lever switch device according to a first aspect of the present invention includes an operation lever provided to be rotatable about an axis, and a rotation of the operation lever. A base member integrally having a plurality of elastically deformable pressing operation parts which are pressed by the operation lever in accordance with the moving operation, and a wiring disposed on the back side of the base member and having a plurality of fixed contacts on the surface A plurality of movable boards which are provided between the substrate and the wiring board and the base member in correspondence with the respective pressing operation sections, and which are brought into contact with the corresponding fixed contacts in accordance with the pressing operation by the corresponding pressing operation sections. And a contact. According to the above-described means, since the plurality of pressing operation portions are integrated with the base member, the number of components can be reduced, the number of assembly steps can be reduced, and the cost can be reduced.

In order to achieve the same object, a lever switch device according to a second aspect of the present invention includes an operation lever provided to be rotatable about an axis, and an operation lever provided with the rotation of the operation lever. A plurality of pressing operation parts to be pressed, a wiring board having a plurality of fixed contacts on the surface, and a wiring board disposed between the wiring board and the plurality of pressing operation parts and corresponding to each of the pressing operation parts. And a contact member configured to integrally have a plurality of movable contacts, and to contact the corresponding fixed contact when the movable contact is pressed by a corresponding pressing operation unit. . According to the above-described means, since a plurality of movable contacts are integrated into a single contact member, the number of parts can be reduced and the number of assembling steps can be reduced.
As a result, the cost can be reduced.

In order to achieve the same object, a lever switch device according to a third aspect of the present invention includes an operating lever provided to be rotatable about an axis, and an operating lever provided with the rotating operation of the operating lever. A base member integrally having a plurality of elastically deformable pressing operation units to be pressed,
A wiring board disposed on the back side of the base member and having a plurality of fixed contacts on the surface; and a plurality of movable boards disposed between the wiring board and the base member and corresponding to the pressing operation portions. A contact member having an integral contact and configured to contact the corresponding fixed contact when the movable contact is pressed by a corresponding pressing operation unit. According to the above-described means, since a plurality of pressing operation portions are integrated with the base member and a plurality of movable contacts are integrated with one contact member, the number of parts can be further reduced and the number of assembling steps can be reduced. The cost can be further reduced, and the cost can be further reduced.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment in which the present invention is applied to a lever switch device for a wiper of an automobile will be described below with reference to FIGS. First, Figure 1
In FIG. 3, the case 11 is configured by combining an upper case 12 and a lower case 13 made of synthetic resin. The upper case 12 has an open lower surface and a left side surface in FIGS.
And an elastic engaging claw 15 for attachment to the vehicle is formed on the outer surface. Although not shown in detail, the moderating portion 14 is formed with a plurality of troughs 14a and a slope 14b.

The lower case 13 constitutes the base member of the present invention. As shown in FIG.
A plurality of, in this case, first to fifth pressing operation portions 16 to 20 are integrally formed. A slit 21 is formed around each of the pressing operation sections 16 to 20, and each of the pressing operation sections 16 to 20 is formed.
Reference numeral 20 denotes a configuration that can be elastically deformed in the vertical direction.
Further, each of the pressing operation sections 16 to 20 integrally has convex portions (see FIGS. 2 and 3) protruding at upper and lower portions, respectively. The convex portions of each of the pressing operation portions 16 to 20 are large on the upper side and smaller on the lower side.

The operation lever 23 includes a lever main body 24 and a bracket 25 disposed at a distal end of the lever main body 24.
It is composed of First shafts 26 protrude from upper and lower sides of one end of the bracket 25, and these first shafts 26 are inserted into circular support holes 27 a and 27 b formed in the upper case 12 and the lower case 13. It is rotatably inserted. The left and right sides of the tip of the lever main body 24 have second
Are protrudingly provided, and these second shafts 28 are rotatably inserted into support holes 29 (only one is shown in FIG. 1) formed on both sides of the bracket 25. Therefore,
The operation lever 23 is attached to the case 11 so as to protrude to the side. The operation lever 23 is rotatable in the arrow B1 direction together with the bracket 25 about the first shaft 26, and
Rotation about the second shaft 28 with respect to the bracket 25 and the case 11 in the direction of arrow B2 is also possible.

A detent piece 30 is provided at the distal end of the lever main body 24 so as to be movable in the axial direction. The detent piece 30 is urged toward the detent part 14 by a spring 30 a and is in pressure contact with the detent part 14 through an opening 31 formed in the bracket 25. The detent portion 14 extends in an arc shape centering on the support holes 27a and 27b, and has five troughs 14a formed in the circumferential direction. The operation lever 23 is configured such that the moderation piece 30 has a valley 14 a
By entering, in the direction of arrow B1 in FIG.
The wiper mist is held at five positions: “wiper mist”, “off”, “wiper INT”, “wiper LO”, and “wiper HI”.

The first to fifth pressing operation sections 16 to 20
Are arranged radially around the support hole 27b of the lower case 13, as shown in FIG. Of these, the first pressing operation portion 16 closest to the support hole 27b is used to move the operation lever 23 in the direction of the arrow B2 in the lever main body 2.
4 is pressed by the tip.

A pressing portion 32 is provided below the tip portion of the bracket 25 so as to be located below the detent portion 14. When the operating lever 23 is turned in the direction of arrow B1, the pressing portion 32 is pressed. The lower surface of the portion 32 allows the second to fifth pressing operation portions 17 to 20 to be sequentially pressed.

A wiring board 34 is disposed on the back side (lower side) of the lower case 13 with a predetermined gap. This wiring board 34 is a printed wiring board, and on the front side, as shown in FIG.
, And a common fixed contact 40 provided in a semicircular shape around each of the fixed contacts 35 to 39. First to fifth fixed contacts 35 to 39
Has an arrangement relationship corresponding to the first to fifth pressing operation units 16 to 20. In this case, the first fixed contact 35
Is for front washer. The second to fifth fixed contacts 36 to 39 are respectively used for wiper switches, of which the second fixed contact 36 is for a mist switch, the third fixed contact 37 is for an interval switch, and the fourth fixed contact 38 Is for a low switch, and the fifth fixed contact 39 is for a high switch. The common fixed contact 40 is grounded. Each of the fixed contacts 35 to 40 is connected to a corresponding terminal 41 a of the connector 41.

On the upper surface of the wiring board 34, a contact member 42 is arranged. This contact member 42
Is formed in a plate shape from, for example, phosphor bronze or beryllium copper, and is attached by inserting the leg portions 43 at the four corners into attachment holes 44 formed in the wiring board 34. The contact member 42 has first to fifth movable contacts 45 corresponding to the first to fifth fixed contacts 35 to 39.
To 49 are integrally formed. Each of these movable contacts 45
To 49 are respectively connected to the contact member 42 by one connecting portion 50.

As shown in FIG. 6, each of the movable contacts 45 to 49 has a peripheral contact portion 51 and a central movable contact portion 52, with the movable contact portion 52 being upward. So that it is curved. And each movable contact 45-49,
The contact portion 51 is always in contact with the corresponding common fixed contact 40, and the movable contact portion 52 is opposed to the corresponding fixed contacts 35 to 39 from above in a state where they are separated from each other. Each movable contact portion 52 is arranged corresponding to the first to fifth pressing operation portions 16 to 20, and is based on being pressed by the corresponding convex portions of the pressing operation portions 16 to 20,
It is configured to contact corresponding fixed contacts 35 to 39.

Next, the operation of the above configuration will be described.

Now, the operation lever 23 is turned off in FIG.
In the state where the lever body 24 is positioned, the first pressing operation part 16 is pressed downward by the tip of the lever main body 24 in the direction of arrow B2 in the clockwise direction in FIG. The first movable contact 4 is operated by the first pressing operation unit 16.
5 movable contact portions 52 contact the corresponding first fixed contacts 35. As a result, the front washer switch is turned on, and the front washer is driven. At this time, the moderation piece 30 moves up the slope 15b of the moderation portion 14, and when the operation force on the operation lever 23 is released, the moderation piece 30 moves down the slope 14b, and the operation is accordingly performed. The lever 23 is also returned to the original position.

When the operating lever 23 at the "off" position is rotated clockwise in FIG. 4 in the direction of arrow B1 to the "wiper mist" position, the bracket 25
The second pressing operation portion 17 is pressed downward by the pressing portion 32 of the second fixed contact 3 corresponding to the movable contact portion 52 of the second movable contact 46 by the second pressing operation portion 17.
Touch 6. As a result, the mist switch is turned on, the front washer is driven, and the wiper is driven for a short time.

The operation lever 23 in the "OFF" position
Is rotated in the counterclockwise direction in FIG. 4 in the direction of arrow B1 to be positioned at the “wiper INT” position, the pressing portion 32 of the bracket 25 presses the third pressing operation portion 18 downward. The movable contact portion 52 of the third movable contact 47 comes into contact with the corresponding third fixed contact 37 by the third pressing operation portion 18 when operated. As a result, the interval switch is turned on, and the wiper is operated intermittently.

The operation lever 23 is further rotated counterclockwise in FIG. 4 from the "wiper INT" position to rotate the "wiper L".
In a case where the fourth movable contact 4 is moved to the “O” position, the fourth pressing operation portion 19 is pressed downward by the pressing portion 32 of the bracket 25, and the fourth movable contact 4 is pressed by the fourth pressing operation portion 19.
Eight movable contact portions 52 contact the corresponding fourth fixed contacts 38. As a result, the low switch is turned on,
The wiper is operated at normal speed.

The operation lever 23 is further rotated counterclockwise in FIG. 4 from the "wiper LO" position to rotate the "wiper H".
In the case of the position “I”, the fifth pressing operation portion 20 is pressed downward by the pressing portion 32 of the bracket 25, and the fifth movable contact 4 is pressed by the fifth pressing operation portion 20.
Nine movable contact portions 52 contact the corresponding fifth fixed contacts 39. This turns on the high switch,
The wiper is operated at high speed.

According to the first embodiment, the following effects can be obtained. First, since the first to fifth five pressing operation portions 16 to 20 are integrated with the lower case 13, the number of parts can be reduced as compared with the case where a push rod is required for each switch, and The number of assembly steps can be reduced, and the cost can be reduced.

The first to fifth movable contacts 45 to 45
Since 49 is integrated into one contact member 42, the number of components can be reduced and the number of assembling steps can be reduced as compared with the case where a contact member is required for each switch, thereby also reducing the cost. Become like

Each of the first to fifth movable contacts 45 to 49 is connected to the contact member 42 by only one connecting portion 50. Therefore, when the movable contacts 45 to 49 are pressed, the surrounding contact portions 51 to 49 are pressed. Can be lifted.

FIGS. 7 and 8 show a second embodiment of the present invention. The second embodiment differs from the first embodiment in the following points. That is, the rectangular first to fifth fixed contacts 61 are respectively provided on the surface of the wiring board 60.
To 65 and two common fixed contacts 66 and 67 are provided. The first to fifth fixed contacts 61 to 65 are the first contacts.
To the fifth pressing operation units 16 to 20. The two common fixed contacts 66 and 67 are arranged at both ends of the wiring board 60 and are grounded.

The contact members 68 disposed on the upper surface side of the wiring board 60 include the first to fifth fixed contacts 61 described above.
The first to fifth movable contacts 69 to 73 are integrally formed corresponding to the two common fixed contacts 6.
The two contact pieces 74 and 75 are formed integrally with the contact pieces 6 and 67. Of these, each of the movable contacts 69 to 73 is connected to the contact member 68 by one connecting portion 76, and the central portion is curved upward as shown in FIG. , And faces from above in a state separated from the corresponding fixed contacts 61 to 65. Further, the two contact pieces 74 and 75 are always in contact with the corresponding common fixed contacts 66 and 67.

Also in this case, the first movable contact 69 is pressed by the first pressing operation section 16, and the second to fifth movable contacts 70 to 73 are respectively pressed by the second to fifth movable contacts 70 to 73. Press operation unit 1
The pressing operation is performed at 7 to 20. In the second embodiment, the same operation and effect as those of the first embodiment can be obtained.

[0030]

As is apparent from the above description, according to the first aspect of the present invention, since a plurality of pressing operation portions are integrated with the base member, the number of parts can be reduced and the number of assembling steps can be reduced. The cost can be reduced, and the cost can be reduced. According to the second aspect of the present invention, since a plurality of movable contacts are integrated into one contact member, the number of parts can be reduced, the number of assembling steps can be reduced, and the cost can be reduced. Become. According to the third aspect of the present invention, the plurality of pressing operation portions are integrated with the base member, and the plurality of movable contacts are integrated with one contact member.
The number of parts can be further reduced, the number of assembly steps can be further reduced, and the cost can be further reduced.

[Brief description of the drawings]

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

FIG. 2 is a longitudinal sectional front view in an assembled state.

FIG. 3 is a sectional view taken along line X1-X1 in FIG. 2;

FIG. 4 is a plan view of a lower case.

FIG. 5 is an exploded perspective view of a wiring board and a contact member.

6 is a cross-sectional view of a main part at a portion corresponding to line X2-X2 in FIG.

FIG. 7 is a view corresponding to FIG. 5, showing a second embodiment of the present invention.

8 is a sectional view of a main part at a portion corresponding to line X3-X3 in FIG. 7;

FIG. 9 is a longitudinal sectional view showing a conventional configuration.

[Explanation of symbols]

In the drawings, 11 is a case, 12 is an upper case, 13 is a lower case (base member), 16 to 20 are first to fifth pressing operation units (pressing operation units), 23 is an operation lever, 24 is a lever body, 25 is a bracket, 26 is a first axis (axis), 28 is a second axis (axis), 34 is a wiring board, and 35 to 39 are first to third axes.
Fifth fixed contact (fixed contact), 40 is a common fixed contact, 4
2 is a contact member; 45 to 49 are first to fifth movable contacts (movable contacts); 60 is a wiring board;
Fifth fixed contacts (fixed contacts), 66 and 67 are common fixed contacts, 68 is a contact member, 69 to 73 are first to fifth movable contacts (movable contacts), and 74 and 75 are contact pieces.

Claims (3)

[Claims] An operating lever provided to be rotatable about an axis; and a plurality of elastically deformable pressing operation portions which are pressed by the operating lever in accordance with the rotating operation of the operating lever. A wiring board disposed on the back side of the base member and having a plurality of fixed contacts on the surface; and provided between the wiring board and the base member in correspondence with each of the pressing operation portions. And a plurality of movable contacts that come into contact with the corresponding fixed contacts when pressed by a corresponding pressing operation unit. 2. An operation lever provided so as to be rotatable about an axis; a plurality of pressing operation portions which are pressed by the operation lever in accordance with the rotation of the operation lever; and a plurality of fixing members on the surface. A wiring board having a contact, disposed between the wiring board and the plurality of pressing operation parts, and integrally having a plurality of movable contacts corresponding to the respective pressing operation parts, wherein the movable contact is A lever member comprising: a contact member configured to contact the corresponding fixed contact when pressed by a corresponding pressing operation unit. 3. An operation lever provided so as to be rotatable about an axis, and a plurality of elastically deformable pressing operation portions which are pressed by the operation lever in accordance with the rotation of the operation lever. A wiring member disposed on the back side of the base member and having a plurality of fixed contacts on its surface; and a pressing member disposed between the wiring substrate and the base member, And a contact member configured to contact the fixed contact corresponding to the movable contact being pressed by a corresponding pressing operation unit in correspondence with the movable contact. Lever switch device.