JP2516147Y2 - Switch device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin structure of a switch device for an automobile or the like in which an internal switch element is operated by an operation knob.

[0002]

2. Description of the Related Art FIG. 7 is a sectional view of a switch device used in this type of automobile.

Reference numeral 101 is a lower case, a circuit board 102 is placed on the upper case, and an upper case 103 is provided on the upper case.
Is provided, and a decorative cover 104 called a bezel is further provided on the top.

A plurality of switch elements 107 are provided on the circuit board 102. The switch element 107 is fixed to the circuit board 102 through the through hole.
The fixed terminal 130 led out to the back side of 02 is soldered. A mounting hole 111 of the switch operating knob 110 and a shaft support 112 are formed at positions corresponding to the switch elements 107 of the upper case 103, respectively. An operating end 125 extending downward is provided from the switch operating knob 110, the operating end 125 is inserted into the mounting hole 111, and the base of the operating end 125 is swingably supported by the shaft support 112. It is provided by Further, in the mounted state of the switch operation knob 110, the lower end of the operation end 125 is the switch element 1.
It is adapted to engage with the operated portion 126 of 07.

The decorative cover 104 has a switch operation knob 1
Each of the openings 128 through which the switch 10 is exposed is provided, and the decorative cover 104 has an upper case 1 such that the switch operation knobs 110 are located in the openings 128.
It is provided on 03.

With the above configuration, the operated portion 1 is operated by the operating end 125 in accordance with the operation of the switch operating knob 110.
26 is displaced so that the switch element 107 is activated.

[0007]

However, as described above, the fixing of the switch element 107 is fixed to the fixed terminal 130 led out to the rear surface side of the circuit board 102 through the through hole.
In the configuration in which the soldering is performed, the fixed terminal 13
Since 0 is projected to the back surface side of the circuit board 102, it is necessary to provide a clearance C between the circuit board 102 and the lower case 1 surface by the amount of the projection, and the thickness of the switch device is increased accordingly. In the case of a switch device for an automobile or the like, the installation space is limited, so that it is desired to make the switch device compact, and particularly thin.

The present invention has been made in view of the above problems, and an object thereof is to make the switch device of this type thinner.

[0009]

In order to achieve the above object, according to the present invention, a switch element is mounted on a circuit board in a casing, and the switch element is operated by operating an operation knob provided on the surface of the casing. In the actuated switch device, the switch element is mounted on the back side of the circuit board by soldering the fixed terminals on the front side of the circuit board, and is operated by the operation knob of the switch element. The operated portion is arranged so as to project on the front surface side of the circuit board through an opening formed in the circuit board.

[0010]

According to this invention, the switch element has the fixed terminal soldered on the front surface side of the circuit board to be mounted on the back surface side of the circuit board, and the operated portion operated by the operation knob of the switch element. Since the protrusion is arranged on the upper surface side of the circuit board through the opening formed in the circuit board, the space for the protrusion of the fixed terminal on the surface of the circuit board is also used as the protrusion arrangement space of the operated portion of the switch element.

[0011]

1 is a front view of a seat switch S having a switch device of 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), and has a small operation knob 2 on the front and rear of the surface of the casing 1 and a large and long operation knob. 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-rear 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, the lower switch 5 surface is arranged close to the bottom surface of each switch element 8, so that the sheet switch S has a thin casing with a smaller casing thickness than the conventional product.

An opening 13 is formed in each of the positions of the circuit board 7 facing the switch element 8, and the opening 1
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, the switch device on the front side formed in the operation knob 2 will be described. FIG. 4 is a vertical cross-sectional view of the operation knob 2 portion.

On the upper case 4 to which the operation knob 2 is attached, as shown in FIG. 5, two cylindrical shaft-supporting pins 14 are erected up and down, and two elongated hole-shaped openings are provided between them. 1
Each two are formed. A fixing protrusion 17 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 center 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 mounted 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.

Further, the two shaft support pins 14 provided on the upper case 4 are selectively used as a shaft support part, and the shaft support pin 14 on the side not used as the shaft support part constitutes a return mechanism of the operation knob 2. Used as. And the 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 thus, the switch element 8 can be operated regardless of which of the shaft support pins 14 the operation knob 2 is pivotally supported. In the case of this seat switch S, it is necessary to manufacture two types of seats, one for the right side and the other for the left side. In that case, as described above, the two shaft support pins 14 are provided on the upper and lower sides, and the respective shaft support pins 1 are
If the central position of 4 corresponds to the central position of the upper case in the vertical direction, the other parts of the upper case 4 are formed so that the upper position and the lower position are line-symmetrical from the vertical central position. 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. Then, the return operation of the operation knob 3 is performed by elastically abutting the touching member 24 of each plunger 19.

[0022]

The present invention is configured as described above, and the switch element is mounted on the rear surface side of the circuit board by soldering the fixed terminals thereof on the front surface side of the circuit board, and the switch element. The operated portion operated by the operation knob of the switch element is projectingly arranged on the front surface side of the circuit board through an opening formed in the circuit board, and a space for projecting the fixed terminal on the surface of the circuit board has an operated portion of the switch element. Since the fixed terminal of the switch element does not protrude to the back side of the circuit board as in the conventional case, it is also used as the protruding arrangement space of the switch element. The device is obtained.

[Brief description of drawings]

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

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

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

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

FIG. 7 is a cross-sectional view of a conventional switch device.

[Explanation of symbols]

 1 Casing 2 Operation Knob 7 Circuit Board 8 Switch Element 10 Fixed Terminal 11 Activated Part 13 Opening 50 Solder

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography SHO 63-101429 (JP, U) RIE 63-28211 (JP, U) RIE 62-150826 (JP, U)

Claims (1)

(57) [Scope of utility model registration request] 1. A switch element (8) mounted on a circuit board (7) is provided in a casing (1), and the switch element (8) is operated by operating an operation knob (2) provided on the surface of the casing (1). 8) In the switch device in which the switch element (8) is actuated, the fixed terminal (10) of the switch element (8) is soldered (50) on the front surface side of the circuit board (7) to the back surface of the circuit board (7). The operated part (11) mounted on the side and operated by the operation knob (10) of the switch element (8) is connected to the circuit through an opening (13) formed in the circuit board (7). A switch device characterized in that it is arranged so as to project on the front surface side of a substrate (7).