JP2003217406A - Lever switch - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To prevent forgetting to turn off a rear fog light when a lighting light is off and to forget to turn on a small light when a rear fog is turned on. SOLUTION: A lighting knob 6 and a fog light knob 7 are separately rotatably provided on a lever base 2, and the lighting knob 6 shifts from an off position to a headlight position through a small light position by rotation, and the fog light knob is rotated. In the lever switch 1 which shifts from the off position to the rear fog position via the front fog position by rotation, the lighting side interference unit 10 rotating together with the lighting knob 6 and the fog light side interference unit 14 rotating together with the fog light knob 7 are provided. The lighting side interference unit 10 and the fog lamp side interference unit 14 were set so as to interfere with each other within a predetermined rotation range.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lever switch having a lighting knob and a fog lamp knob.

[0002]

2. Description of the Related Art Conventional lever switches of this type are shown in FIGS. As shown in FIGS. 8 and 9, the lever switch 100 has a lever base 101 connected to a steering column (not shown), and the fixing ring 10 is provided on the tip side of the lever base 101.
The knob support member 103 is fixed via the two. The knob support member 103 has a shaft support cylinder portion 103a and an outer peripheral fixing ring portion 103b integrally fixed to the shaft support cylinder portion 103a, and a writing knob 105 is provided at a tip of a shaft 104 which is inserted through the shaft support cylinder portion 103a. It is fixed. The writing knob 105 is rotatably arranged at the tip end side of the outer peripheral fixing ring portion 103b, and can be reversibly moved from the off position to the small light position to the headlight position by rotation. Depending on each of these positions, the contact connection state of the electrical contact for lighting (not shown) is variable, both the small lamp and the head lamp are turned off at the off position, the small light is turned on at the small light position, and the head is turned on. At the light position, both the small light and the headlight are controlled to be in a lighting state.

A fog light knob 106 is rotatably provided between the outer peripheral fixing ring portion 103b and the lever base 101, and the fog light knob 106 is rotated to move from a front fog light position to a front fog light position. The position can be reversibly changed. The contact connection state of the fog light electrical contact portion 107 is varied according to each position, and both the front fog light and the rear fog light are turned off at the off position, and the front fog light is turned on at the front fog position. At the rear fog position, both the front fog light and the rear fog light are controlled to be on.

In the above structure, the lighting knob 10
By rotating 5 the small lights and headlights can be turned on and off, and by rotating the fog light knob 106 the front and rear fog lights can be turned on and off.

[0005]

However, in the conventional lever switch 100, since the operation and control of the lighting system and the fog light system are independent, the rear fog light is turned on when the headlight / small light is off. Or, the small lights may not be turned on when the rear fog lights are turned on.

In order to prevent the rear fog light from being turned off when the lighting is off and the small light from being left off when the rear fog is turned on, an electric contact portion for lighting (not shown) and a fog light are used. A means for electrically detecting and controlling each contact connection state of the electric contact portion 107 can be considered, but if this means is adopted, a new control circuit is required and a harness is also required, so that the production cost is reduced. Will be at a disadvantage.

Therefore, the present invention has been made to solve the above-mentioned problems, and there is almost no disadvantage in terms of production cost, and the rear fog light is forgotten to be turned off when the lighting is off, and the small when the rear fog is turned on. It is an object to provide a lever switch that can prevent forgetting to turn on a light.

[0008]

According to a first aspect of the present invention, a lever base is provided with a lighting knob and a fog light knob separately and rotatably, and the lighting knob is rotated to move from the off position to the small light position to the head. It is a lever switch that shifts to a light position and the fog light knob rotates in the same direction as the lighting knob to shift from an off position to a front fog position to a front / rear fog position. Section and a fog light side interference section that rotates together with the fog light knob are respectively provided, and the lighting side interference section and the fog lamp side interference section are the small light position of the writing knob and the fog light. When the lighting knob is rotated from the small light position to the off position, the fog light knob is forcibly rotated from the front / rear fog position to the front fog position, and The side interference section and the fog light side interference section interfere with each other at the off position of the lighting knob and the front fog position of the fog light knob, and the fog light knob is rotated from the front position to the front / rear fog position. Then, the lighting knob is forcibly rotated from the off position to the small light position.

In the lever switch according to the first aspect of the present invention, the writing side interference portion is added to the writing knob side and the fog light side interference portion is added to the fog light knob side, and it is not necessary to add a control circuit or a harness. .

A second aspect of the present invention is the invention according to the first aspect, wherein the lighting side interference portion is provided so as to project from the shaft passing through the rotation center of the fog light knob toward the inner circumference of the fog light knob. The light-side interference portion is provided so as to project from the inner circumference of the fog light knob toward the outer circumference of the shaft.

In the lever switch according to the second aspect,
Compared to the conventional structure, the number of parts is not increased and the structure is not complicated.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings.

1 to 7 show an embodiment of the present invention,
FIG. 1 (a) is a cross-sectional view of a main part of the lever switch, FIG. 1 (b).
1A is a cross-sectional view taken along the line AA, FIG. 2 is a schematic cross-sectional view illustrating the interference relationship between the writing side interference section and the fog light side interference section, and FIGS. 3A and 3B to 7 (A), (b)
FIG. 4A is a front view and a sectional view of a lighting knob and a fog light knob at respective positions.

As shown in FIGS. 1 (a) and 1 (b), the lever switch 1 has a cylindrical lever base 2 connected to a steering column (not shown). The lever base 2 has a tip end side. The fixing ring 3 is fixed inside the. A knob support member 4 is fixed to the fixing ring 3,
The knob support member 4 is composed of a shaft support cylinder portion 4a arranged in the lever base 2 and an outer peripheral fixing ring portion 4b integrally fixed to the shaft support cylinder portion 4a. A shaft 5 is inserted into the shaft support cylinder portion 4a, and the base end side of the shaft 5 is rotatably supported by the lever base 2. The tip of the shaft 5 is the shaft support cylinder portion 4a.
The writing knob 6 is fixed to the protruding portion.

The writing knob 6 is rotatably arranged integrally with the shaft 5 on the tip side of the outer peripheral fixing ring portion 4b, and its outer diameter is formed to be substantially the same as the outer diameter of the outer peripheral fixing ring portion 4b. And the writing knob 6
By rotation, it is possible to reversibly shift from the off position to the small light position to the headlight position (see FIGS. 3 to 7). The predetermined position is a position where each position mark of the writing knob 6 matches the reference position mark of the outer peripheral fixing ring 4b. Depending on each of these positions, the contact connection state of the electrical contact for lighting (not shown) is variable, both the small lamp and the head lamp are turned off at the off position, the small light is turned on at the small light position, and the head is turned on. At the light position, both the small light and the headlight are controlled to be in a lighting state.

A fog light knob 7 is rotatably provided between the outer circumference fixing ring portion 4b and the lever base 2. The outer diameter of the fog light knob 7 is equal to the outer diameter of the lever base 2 and the outer circumference fixing ring portion 4b. They are formed to have almost the same diameter. The fog light knob 7 can be reversibly moved from the off position to the front / rear fog light position by rotating in the same direction as the lighting knob 6 through the front fog light position (FIG. 3).
(See FIG. 7). The predetermined position is a position where each position mark of the fog light knob 7 coincides with the reference position mark of the outer peripheral fixing ring 4b. The contact connection state of the fog light electrical contact portion 8 is changed according to each of these positions, and both the front fog light and the rear fog light are turned off at the off position, and the front fog light is turned on at the front fog position. At the rear fog position, both the front fog light and the rear fog light are controlled to be on.

Further, the shaft 5 and the fog light knob 7 are concentrically arranged rotatably, and a lighting side interference portion 10 is provided at the position of the fog light knob 7 of the shaft 5 so as to project. The writing-side interference portion 10 is provided so as to protrude from the hole 11 formed in the shaft supporting cylinder portion 4a toward the inner peripheral side of the fog light knob 7. A ball support portion 13 for supporting the ball 12 is arranged at a 180-degree opposite position on the inner peripheral side of the fog light knob 7, and a fog light side interference portion 14 is arranged on the outer peripheral side of the shaft 5 with respect to one ball support portion 13. It is projected toward. The lighting side interference section 10 and the fog light side interference section 14 are set to rotate together with the writing knob 6 and the fog light knob 7, respectively, and the rotation loci of both are set to partially overlap.

Specifically, as shown in FIG. 2, the small light position of the lighting knob 6 and the rear fog position of the fog light knob 7 interfere with each other,
When the lighting knob 6 is rotated from the small light position to the off position, the fog light knob 7 is set to be forcedly rotated from the front / rear fog position to the front fog position. Also, the off position of the lighting knob 6 and the fog light knob 7
When the fog light knob 7 is rotated from the front fog position to the front / rear position, the lighting knob 6 is forcibly rotated from the off position to the small light position. .

In the above structure, as shown in FIGS. 3A and 3B, the lighting knob 6 and the fog light knob 7 are both in the off position. Figure 4
As shown in (a) and (b), when the lighting knob 6 is rotated from the off position to the small light position, the small light is turned on. Next, FIG.
As shown in (a) and (b), when the fog light knob 7 is rotated from the off position to the front fog position, the front fog light is turned on. Next, FIG.
As shown in (a) and (b), when the fog light knob 7 is rotated from the front fog position to the front / rear fog position, the rear fog light is turned on in addition to the front fog light. Then, in this state, the writing side interference section 10 and the fog light side interference section 14 are at the interference position (contact position).

Now, turn the fog light knob 7 to the front
When the lighting knob 6 is returned from the small light position to the off position without returning from the rear fog position to the front fog position, the fog light side interference part 14 is pressed against the lighting side interference part 10 and the fog light knob 7 is moved to the front / rear fog position. From the front to the front fog position (Fig. 7
(A) and (b) states). Therefore, the small lights are turned off, the rear fog lights are also turned off, and only the front fog lights are turned on. This will prevent forgetting to turn off the rear fog light when the lighting is off.

In the states shown in FIGS. 7 (a) and 7 (b),
When the fog light knob 7 is rotated from the front fog position to the front / rear fog position without rotating the lighting knob 6 from the off position to the small position, the lighting side interference portion 10 is pressed by the fog light side interference portion 14, The knob 7 is forcibly rotated from the off position to the small light position (states of FIGS. 6A and 6B). Therefore,
The rear fog lights are turned on and the small lights are turned on. This can prevent forgetting to turn on the small light when the rear fog is turned on.

As described above, in the lever switch 1, the writing side interference section 10 is added to the writing knob 6 side and the fog light side interference section 14 is added to the fog light knob 7 side, respectively, as compared with the conventional lever switch. ,
Since it is not necessary to add a control circuit or a harness, it is possible to prevent forgetting to turn off the rear fog light when the lighting light is turned off and forgetting to turn on the small light when the rear fog is turned on, with almost no disadvantage in production cost.

In this embodiment, the writing side interference portion 10 is provided so as to project from the shaft 5 passing through the rotation center of the fog light knob 7 toward the inner circumference of the fog light knob 7.
Since the fog light side interference portion 14 is provided so as to protrude from the inner circumference of the fog light knob 7 toward the outer circumference of the shaft 5, the number of parts and the structure are hardly increased as compared with the conventional structure.

[0024]

As described above, according to the invention of claim 1, the lighting knob and the fog light knob are separately rotatably provided on the lever base, and the lighting knob is rotated to move from the small position to the small light. In the lever switch that moves from the position to the headlight position, and the fog light knob rotates from the off position to the front fog position to the rear fog position by rotation in the same direction as the lighting knob, the lighting side interference that rotates together with the lighting knob. And a fog light side interference portion that rotates together with the fog light knob,
Since the lighting side interference part and the fog lamp side interference part are set so as to interfere with each other within a predetermined rotation range, compared to a conventional lever switch, the writing side interference part is provided on the writing knob side and the fog light knob is provided on the fog light knob side. Since only the interference part on the light side is added and there is no need to add a control circuit or harness, there is almost no disadvantage in terms of production cost, forgetting to turn off the rear fog light when the lighting light is off, and lighting the rear fog It is possible to prevent forgetting to turn on the small light at that time.

According to the second aspect of the invention, the lever switch according to the first aspect, wherein the lighting side interference section 10 is provided.
Is projected from the shaft 5 passing through the center of rotation of the fog light knob 7 toward the inner circumference of the fog light knob 7, and the fog light side interference portion 14 extends from the inner circumference of the fog light knob 7 toward the outer circumference of the shaft 5. In addition to the effect of the first aspect of the invention, the number of parts is not increased and the structure is not complicated as compared with the conventional structure.

[Brief description of drawings]

1A and 1B show an embodiment of the present invention, in which FIG. 1A is a sectional view of a main part of a lever switch, and FIG. 1B is a sectional view taken along the line AA of FIG.

FIG. 2 is a schematic cross-sectional view showing an embodiment of the present invention and explaining an interference relationship between a writing side interference section and a fog light side interference section.

FIG. 3 shows an embodiment of the present invention, (a) is a front view in which both the lighting knob and the fog light knob are in an off position, and (b) is a cross-sectional view in that state.

FIG. 4 shows an embodiment of the present invention, in which (a) is a front view in which the lighting knob is in the small light position and the fog light knob is in the off position, and (b) is a sectional view in that state.

FIG. 5 shows an embodiment of the present invention, in which (a) is a front view in which the lighting knob is in a small light position and the fog light knob is in a front fog position, (b).
FIG. 3 is a sectional view of that state.

FIG. 6 shows an embodiment of the present invention, (a) is a front view in which the lighting knob is in a small light position and the fog light knob is in a front / rear fog position,
(B) is a sectional view of the state.

FIG. 7 shows an embodiment of the present invention, in which (a) is a front view in which the lighting knob is in the off position and the fog light knob is in the front fog position, and (b) is a sectional view in that state.

FIG. 8 is a sectional view of a main part of a conventional lever switch.

FIG. 9 is a front view of a main part of a conventional lever switch.

[Explanation of symbols]

1 lever switch 2 lever base 5 shafts 6 Writing knob 7 fog light knob 10 Lighting side interference section 14 Fog light side interference section

Claims (2)

[Claims] 1. A lever base is provided with a lighting knob and a fog light knob separately and rotatably, and the lighting knob rotates to shift from an off position to a small light position to a headlight position. A lever switch that shifts from an off position to a front fog position to a front / rear fog position by rotating in the same direction as the lighting knob, and includes a lighting side interference unit that rotates together with the lighting knob and a fog that rotates together with the fog light knob. A light side interference section is provided respectively, and the lighting side interference section and the fog lamp side interference section respectively include a small light position of the lighting knob and a front / rear fog position of the fog light knob. When the lighting knob is rotated from the small light position to the off position, the fog light knob is forcibly rotated from the front / rear fog position to the front fog position, and the lighting side interference portion and the The fog light side interference part interferes with each other at the off position of the lighting knob and the front fog position of the fog light knob, and when the fog light knob is rotated from the front position to the front / rear fog position, the lighting knob Is a lever switch that is forcibly rotated from the off position to the small light position. 2. The lever switch according to claim 1, wherein the lighting side interference portion is provided so as to project toward an inner circumference of the fog light knob from a shaft passing through a rotation center of the fog light knob. The lever switch, wherein the side interference portion is provided so as to project from the inner circumference of the fog light knob toward the outer circumference of the shaft.