JPH09106740A - Lever combination switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lever combination switch in which no cord is required to be inserted into an operation lever. SOLUTION: In a lighting switch 10, a bridge contact 17 capable of slide contacting with a fixed contact exposed on the bottom face 9a of a knob-lower 3 is disposed in a contact holder 15. In a fog lamp switch 20, a bridge contact 24 capable of slide contacting with a fixed contact exposed on the inner peripheral wall 8a of a cylinder portion 8 so as to be flush therewith is disposed in a contact holder 22. By effectively utilizing the inside of the cylindrical portion 8 in which a cord to be inserted and arranged around is omitted, the lighting switch 10 and the fog lamp switch 20 are separately incorporated in the bottom portion of the knob-lower 3 and in the intermediate portion of an axis portion of the knob-lower 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lever combination switch (hereinafter simply referred to as a lever switch) provided with a switch in an operating lever.

[0002]

2. Description of the Related Art A lighting switch is incorporated in a turn signal operation lever provided on both left and right sides of a steering shaft of a vehicle, and a wiper switch is incorporated in a wiper operation lever. A cord electrically connecting each switch and each switch circuit arranged on the body side of the vehicle is inserted in the operation lever.

[0003]

However, the work of incorporating the switch component into the operation lever and inserting the cord is narrow because the operation lever is elongated and the cord insertion space is limited by the switch component or the like. There was a problem that it was troublesome and work efficiency was low. The present invention has been made to solve the above problems, and an object of the present invention is to provide a lever switch that does not require a cord to be inserted into an operation lever.

[0004]

In order to achieve the above object, a lever switch according to the present invention as set forth in claim 1 is a lever switch having a cylindrical shape, which extends in the axial direction of the inner peripheral wall from the base end portion of the operating lever. A plurality of fixed contacts are inserted in the same plane so as to be exposed at the peripheral wall, and a contact holder that rotates in the operation lever by an operation knob attached to the operation lever,
A bridging contact bridging the fixed contact is arranged.

Further, in order to achieve the above object, the lever switch of the present invention according to claim 2 is exposed to the inner peripheral wall along the axial direction of the inner peripheral wall from the base end portion of the tubular operating lever. As described above, a plurality of fixed contacts are inserted in the same plane, and a plurality of contact holders that rotate in the operation lever are separately arranged by a plurality of operation knobs mounted in the axial direction of the operation lever. A bridging contact bridging any one of the plurality of fixed contacts is arranged in each of the plurality of contact holders.

According to a third aspect of the present invention, there is provided a lever switch according to the second aspect, wherein one of the plurality of switches is one of the plurality of fixed contacts. Is exposed on the bottom wall of the tubular operation lever, and a bridging contact bridging the fixed contact is arranged at the end of the contact holder facing the bottom wall. .

[0007]

According to the lever switch having the structure described in claim 1, a plurality of fixed contacts which are inserted flush with the inner peripheral wall of the tubular operating lever and exposed at the inner peripheral wall are bridged. A bridging contact to be entangled is arranged in the contact holder, and the lever holder is switched by rotating the contact holder with the operation knob. Therefore, it is not necessary to insert the cord into the operation lever and route it around to the base end of the operation lever to secure electrical connection with the switch circuit arranged on the body side. The work efficiency of assembling the switch can be improved, and the wiring space for the cord can be omitted, so that the degree of freedom in designing the switch component parts is increased.

According to the lever switch of the second aspect of the present invention, the bridging bridging the plurality of fixed contacts which are inserted into the inner peripheral wall of the tubular operating lever so as to be flush with each other and exposed on the inner peripheral wall. The contacts are respectively arranged on a plurality of contact holders, and the plurality of contact holders are individually rotated by a plurality of operation knobs mounted in the axial direction of the operation lever to switch a plurality of switches. Therefore, similar to the lever switch according to claim 1, a cord is inserted into the operating lever, and the cord is routed around and led to the base end portion of the operating lever. It is not necessary to secure the electrical connection of
There is an effect that the workability of assembling a lever switch incorporating a plurality of switches can be improved.

According to the lever switch of the third aspect, one of the plurality of switches has a bridging contact bridging between the fixed contacts exposed on the bottom wall of the tubular operating lever. Since it is arranged at the end of the contact holder facing the bottom wall, the inside of the cylindrical operation lever without the cord to be inserted and routed is effectively used to efficiently operate a plurality of switches. In addition to being incorporated, there is an effect that the independence of each switch can be secured and the reliability of the switch function can be enhanced.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the accompanying drawings. 1 is a sectional view of a turn signal operating lever 1 to which the lever switch of the present invention is applied, FIG. 2 is a sectional view taken along the line AA in FIG. 1, and FIG. 3 is a sectional view taken along the line BB in FIG. Is. The outer structure of the turn signal operation lever 1 in which the lighting switch and the fog lamp switch are incorporated is a noblower 2, a knob middle 3, and a fog lamp switch 20 between the noblower 2 and the knob middle 3.
The operation knob 4 and the operation knob 5 for the lighting switch 10 which forms the knob upper.

The noblower 2 has a bottomed cylindrical shape, and a concave portion 7 for inserting the connector 40 is formed in a base end portion 6 thereof, and a cylindrical portion 8 is formed continuously with the base end portion 6. There is. One end of each of the bottom portions 9 of the tubular portion 8 is arranged concentrically so as to project into the recess 7 for insertion of the connector 40, and the other end thereof is bent at a substantially right angle along the bottom surface 9a of the bottom portion 9. Sliding contact surfaces are exposed flush with each other, and three fixed contacts 11a to 1 for the lighting switch 10 are provided.
1c is inserted. The connector 40 includes
A cord 41 connected to a small lamp circuit, a head lamp circuit, and a fog lamp circuit (none of which is shown) arranged on the body side is connected.

The fixed contact 11b further extends a sliding contact surface exposed flush with the bottom surface 9a and bends the sliding contact surface along the inner peripheral wall 8a of the tubular portion 8 at a substantially right angle in the axial direction to make the sliding contact surface flush. It is inserted so as to be exposed, and this extended portion is used as a fixed contact 21a for the fog lamp switch 20. The fixed contact 21b paired with the fixed contact 21a is different from the fixed contact 21a in a different position.
It is inserted into the bottom portion 9 and the tubular portion 8 to expose the sliding contact surface flush with only the inner peripheral wall 8a (see FIG. 2).

An insulating tubular shaft 12 for the lighting switch 10 is attached to the tubular portion 8 with one end thereof abutting the bottom surface 9a and the reduced diameter portion 13 protruding from the tubular portion 8. It is inserted and fixed to the no blower 2 by the C ring 14. Inside the tubular shaft 12,
The contact holder 15 is rotatably inserted to reduce the diameter 1.
6 is inserted into the reduced diameter portion 13 of the tubular shaft 12.
A bridging contact 17 made of a conductive leaf spring material is fixed to one end of the contact holder 15 to bridge the fixed contacts 11a to 11c of the lighting switch 10.

The contact holder 2 of the fog lamp switch 20 is provided on the outer periphery of the reduced diameter portion 13 of the tubular shaft 12.
2 is rotatably fitted. The contact holder 2
2 is prevented from moving in the axial direction by a stator 23 for the fog lamp switch 20 fixedly fitted to the outer periphery of the reduced diameter portion 13. A bridging contact 24 made of a conductive leaf spring material bridging between the fixed contacts 21a and 21b is fixed to the outer periphery of the contact holder 22 (see FIG. 3). A moderation mechanism 25 is arranged on the opposing surfaces of the contact holder 22 and the stator 23. The moderation mechanism 25 includes a moderation spring 26 and a moderation ball 27, and the moderation ball 27 is fitted in a moderation valley 28 of the stator 23.

An operation knob 4 for the fog lamp switch 20, which is loosely fitted to the outer periphery of the reduced diameter portion 13, is in contact with the end surface of the opening 8b of the tubular portion 8 of the noblower 2. By fitting the connecting portion 30 protruding from the operation knob 4 into the inner periphery of the opening 8b, the operating knob 4 is rotatably supported and the connecting portion 30 is connected to the contact holder 22. Therefore, the contact holder 22 is integrally rotated by the rotating operation of the operation knob 4, and the on / off of the fog lamp switch 20 can be controlled.

Following the operation knob 4, the tubular shaft 1
The knob middle 3 is fixedly fitted to the second reduced diameter portion 13.
Following the knob middle 3, a moderation ring 31 for the lighting switch 10 is rotatably fitted. The moderation ring 31 is prevented from moving in the axial direction by a stator 32 fixedly fitted to the reduced diameter portion 13. A moderation mechanism 33 is arranged on the opposing surfaces of the moderation ring 31 and the stator 32. The moderation mechanism 33 includes a moderation spring 34 and a moderation ball 35, and the moderation ball 35 is fitted in a moderation valley 36 of the stator 32.

The operation knob 5 of the cap-shaped lighting switch 10 is attached to the tip of the reduced diameter portion 13 so that the opening end thereof abuts the knob middle 3 and the inside of the moderation ring 31 is formed. It is connected. Further, by the connecting pin 37, the reduced diameter portion 16 of the contact holder 15
It is connected to. The reduced diameter portion 13 of the tubular shaft 12 into which the reduced diameter portion 16 is inserted is formed with an arcuate groove 38 on the outer periphery thereof, through which the connecting pin 37 can rotate by a predetermined angle.
With this, when the operation knob 5 is rotated, the contact holder 16 is integrally rotated, and the lighting switch 10 is rotated.
Can be turned on and off.

The turn signal operating lever 1 having the above structure
When the operation knob 4 of the lighting switch 10 is rotated, the contact holder 16 is integrally rotated, and the fixed contacts 11a and 11b with which the bridging contact 15 is in sliding contact are bridged, whereby the small lamp circuit. Is closed. Further, the fixed contacts 11a to
When the bridges between 11c are bridged, the small lamp circuit and the headlamp circuit are simultaneously closed. When the operation knob 4 of the fog lamp switch 20 is rotated, the connecting portion 30
The contact holder 22 connected to is integrally rotated,
Fixed contacts 21a and 21b with which the bridging contacts 24 are in sliding contact
The fog lamp circuit is closed by bridging the spaces.

As described above, the lighting switch 1
No. 0 is configured by disposing a bridging contact 15 capable of sliding contact with the fixed contacts 11a to 11c exposed on the bottom surface 9a of the noblower 3 in a contact holder 16 to form the fog lamp switch 2
0 is a fixed contact 2 exposed on the inner peripheral wall 8a of the tubular portion 8.
Since the bridging contacts 24 capable of sliding contact with 1a to 21b are arranged in the contact holder 22 and the work for inserting the cord is not involved, the assembling work can be performed quickly. Further, the lighting switch 1 is effectively used by effectively utilizing the inside of the tubular portion 8 in which the cord to be inserted and routed is omitted.
0 and the fog lamp switch 20 can be installed separately in the bottom part of the noblower 3 and the intermediate part of the shaft part of the noblower 3, and the independence of each switch can be secured and the reliability of the switch function can be enhanced. .

The turn signal operating lever 1 described above is used.
The above switch configuration can also be applied to a wiper switch equipped with a rear window wiper, or a lever switch incorporating a wiper switch equipped with an interval switch for adjusting the interval of intermittent wiping of the wiper.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a turn signal operating lever.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a sectional view taken along line BB in FIG.

[Explanation of symbols]

 1 ... Turn signal operating lever 4, 5 ... Operating lever 8 ... Cylindrical part 10 ... Lighting switch 11a to 11c ... Fixed contact 15 ... Contact holder 16 ... Bridge contact 20 ... Fog light switch 21a-21b ... Fixed contact 22 ... Contact holder 24 ... Bridge contact

Claims (3)

[Claims] 1. A plurality of fixed contacts are inserted flush with the base end of a tubular operating lever along the axial direction of the inner peripheral wall so as to be exposed at the inner peripheral wall and mounted on the operating lever. A lever combination switch, wherein a bridging contact bridging the fixed contact is arranged in a contact holder which is rotated in the operating lever by an operating knob. 2. A plurality of fixed contacts are inserted flush with each other so as to be exposed at the inner peripheral wall along the axial direction of the inner peripheral wall from the base end portion of the cylindrical operating lever, and the axial direction of the operation lever is also improved. A bridge contact in which a plurality of contact holders that rotate in the operation lever are separately arranged by a plurality of mounted operation knobs, and the contact holder bridges any of the plurality of fixed contacts. A lever combination switch characterized in that each of them is provided. 3. A bridging contact that bridges the fixed contact by exposing one of the plurality of fixed contacts to a bottom wall of the tubular operation lever, one of the plurality of switches, The lever combination switch according to claim 2, wherein the lever combination switch is arranged at an end of the contact holder facing the bottom wall.