JPH0574273A - Switch device - Google Patents

Abstract

PURPOSE:To enable a single casing to serve also as a casing for a switch device whose left/right positions are used inversely by enabling an operation knob to be installed fluctuatingly/selectively in a pair of fluctuating shaft support pins erected in positions where a vertical directional intermediate position above the surface of the casing forms the center of symmetry. CONSTITUTION:Two shaft support pins 14 arranged on an upper case 4 are used selectively as a shaft support unit, and the shaft support pin 14 situated on the side where it is not used as the shaft support unit, is used so as to constitute a reset mechanism of an operation knob 2. Two openings 12 are arranged on the upper case, and constitution is set in such a way that even if the operation knob is supported with either one of the shaft support pins 14, operation of a switch element can be carried out. In the case of this sheet switch, by constituting in such a way that the two shaft support pins 14 are arranged above and below and the central position of the respective shaft support pins 14 can coincide with the longitudinal directional central position of the upper case, a single type upper case 4 can be served also as the upper case 4 for a duplex type sheet switch.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device for an automobile or the like which operates an internal switch element by swinging an operating knob.

[0002]

2. Description of the Related Art For example, a seat switch of an automobile is attached to each seat. For example, a seat switch of a driver's seat is provided on the right side of the seat, and a seat switch of a passenger seat is provided on the left side of the seat.

[0003]

When the mounting side is changed as described above, the left and right positions of the seat switch are reversed even though the same switch is provided, and as a result, the casing forming the outer shape is of two types. However, there is a problem that the manufacturing cost becomes high.

The present invention has been made in view of the above problems, and it is an object of the present invention to enable a casing to be used also in a switch device in which the left and right positions are used in reverse, thereby reducing the manufacturing cost.

[0005]

In order to achieve the above object, according to the present invention, a switch element is provided in a casing, and the switch element is actuated by operating an operation knob swingably provided on the casing surface. In the switch device according to the present invention, a pair of pivot shaft support pins are erected at positions symmetrical with respect to the vertical direction of the casing surface, and the operation knobs can be selectively pivotally mounted on the respective shaft support pins. And

[0006]

According to the present invention, the operation knob is selectively swingably attached to a pair of swinging shaft support pins which are vertically provided at positions symmetrical with respect to an intermediate position in the up-down direction of the casing surface. The same casing can be used as the casing of the switch device used in reverse.

[0007]

1 is a front view of a seat switch S having a switch device according to the present invention, and FIG. 2 is a transverse sectional view thereof.

The seat switch S is used by being mounted on the side of the seat of the automobile (the one shown in the figure is on the left side). The seat switch S has a small operation knob 2 on the front and rear of the surface of the casing 1 and a large and long shape. The operation knob 3 is attached and configured. The lower part of the operation knob 2 is pivotally supported and the upper part is rocked in the front-back direction, whereby the backrest of the seat is tilted back and forth. The operation knob 3 is moved in the front-rear direction, and the front end side and the rear end side are respectively swung up and down,
As a result, the seat is moved back and forth, and the front and rear parts of the seat are moved up and down.

Reference numeral 4 is an upper case, and 5 is a lower cover. A casing 1 forming an outer shape is constituted by each of them, and a circuit board 7 is provided at a position facing the inner surface of the upper case 4 in the upper part of the casing 1. There is. Each of the switch elements 8 is mounted on the inner surface side of the circuit board 7, and one switch element 8 is provided at a position corresponding to the operation knob 2 and three switch elements 8 are provided at a position corresponding to the operation knob 3.

As shown in FIG. 3, the switch element 8 is attached to the circuit board 7 by bending the fixed terminal 10 protruding from the side portion of the switch element 8 toward the circuit board 7 side and through the through hole. Is attached to the surface of and is fixed by soldering 50 on the surface side. In this way, the space for projecting the fixed terminal 10 on the surface of the circuit board 7 is also used as the projecting arrangement space of the operated portion 11 of the switch element 8. Further, by arranging the surface of the lower cover 5 close to the bottom surface of each switch element 8, the sheet switch S is made thin so that the casing thickness is smaller than that of the conventional product.

An opening 13 is formed in each of the positions on the circuit board 7 facing the switch element 8.
3, the operated portion 11 of the switch element 8 is connected to the circuit board 7
Is projected to the surface side of. The opening 12 is also formed at a position facing the opening 13 of the upper case 4.

Next, a description will be given of the switch device on the front side which is formed in the operation knob 2. FIG. 4 is a vertical sectional view of the operation knob 2 portion.

As shown in FIG. 5, on the upper case 4 to which the operation knob 2 is attached, two cylindrical shaft support pins 14 are provided upright and vertically, and two elongated hole-shaped openings are provided between them. 1
Each two are formed. A protrusion 17 for fixing is formed in a ring shape on the peripheral surface of each of the shaft support pins 14, and the plunger 1 is provided in the upper shaft support pin 14 via a coil spring 18.
9 is attached. The operation knob 2 is swingably attached in a state in which the lower shaft support pin 14 is fitted in the fitting cylindrical portion 20 formed on the lower portion of the inner surface thereof. An operating pin 22 for operating the switch element 8 is further provided on the inner surface of the operating knob 2 so as to project therefrom.
Is inserted through the opening 12 on the side far from the shaft support side of the operation knob 2,
Its tip is adapted to engage with the operated portion 11 of the switch element 8.

At a portion of the inner surface of the operation knob 2 where the tip of the plunger 19 abuts, a plate-like touch member 24 made of nylon resin or the like having excellent slidability is provided as shown in FIG. The tip of the plunger 19 is housed in the horizontal groove 25. The bottom of the groove 25 is formed in an inclined shape so that the center is deepest. With this configuration, if no force is applied to the operation knob 2,
The tip of the plunger 19 is returned to the central portion of the groove 25 by the spring force of the coil spring 18 so that the operation knob 2 is returned. In particular, a mechanism for returning the operation knob 2 is provided in the shaft support pin 14 with the coil spring 1
8. Since the plunger 19 is attached and is provided outside the casing 1 at the inner surface position of the operation knob 2 independently of the operation pin 22, it is possible to prevent the thickness of the casing 1 from increasing as in the conventional case. Is.

The two shaft support pins 14 provided on the upper case 4 are selectively used as shaft support parts, and the shaft support pins 14 on the side not used as the shaft support parts constitute a return mechanism for the operation knob 2. Used as. And upper case 4
The two openings 12 are provided in the
Two operated parts 1 are provided on the switch element 8 so as to be opposed to 2.
1 is provided, and in this way, the switch element 8 can be operated regardless of which of the shaft support pins 14 pivotally supports the operation knob 2. In the case of this seat switch S, it is necessary to manufacture two types of seats, one for use on the right side and the other for use on the left side. In this case, the two shaft support pins 14 are provided above and below as described above, and the respective shaft support pins 1 are
If the center position of 4 corresponds to the center position in the vertical direction of the upper case, the other parts of the upper case 4 are formed such that the upper position and the lower position are line-symmetrical from the center position in the vertical direction. If so, the upper case 4 of one type can be used as the upper case 4 of the two types of sheet switches S.

The switch device on the rear side will be briefly described below.

In this switch device, the long operating knob 3
Three actuating pins 22 are projectingly fixed to the inner surface of the coil along the longitudinal direction, and two tubular bosses 40 are projectingly provided on the upper case 4 surface between them, and the coil spring 1 is provided in each tubular boss 40.
8. The plunger 19 is mounted, and the tip of the plunger 19 is in contact with the touching member 24 provided on the inner surface of the operation knob 3 as in the case of the switch device on the front side. The return operation of the operation knob 3 is performed by elastically abutting the touching member 24 of each plunger 19.

[0018]

As described above, the present invention is configured as described above, and the operation knob is selectively provided on a pair of swinging shaft support pins erected at a position symmetrical with respect to an intermediate position in the vertical direction of the casing surface. Since the casing of the switch device whose left and right positions are used in reverse can be shared by the same casing, the manufacturing cost can be reduced.

[Brief description of drawings]

FIG. 1 is a front view of a switch device according to the present invention.

FIG. 2 is a cross-sectional view of the switch device of the present invention.

FIG. 3 is an enlarged transverse cross-sectional view of a main part of the switch device according to the present invention.

FIG. 4 is a vertical cross-sectional view of the switch device of the present invention.

FIG. 5 is a perspective view of a main part of the switch device according to the present invention.

FIG. 6 is a perspective view of a main part of the switch device according to the present invention.

[Explanation of symbols]

 1 Casing 2 Operation knob 8 Switch element 14 Shaft support pin

Claims (1)

[Claims] 1. A switch element (8) is provided in a casing (1), and the switch element (8) is actuated by operating an operation knob (2) swingably provided on the surface of the casing (1). In the switch device according to the first aspect of the invention, a pair of pivot shaft support pins (14) are erected at positions symmetrical with respect to an intermediate position in the vertical direction on the surface of the casing (1), and the operation knobs (2) respectively support the shaft supports. A switch device, wherein the pin (14) can be selectively swingably attached.