JP5932852B2 - Switch device - Google Patents

Description

  The present invention relates to a switch device provided with waterproof means.

  Conventionally, for example, in a switch device for a wind regulator of a vehicle, an operation knob is operated by a user, and a slider is slid by operation of the operation knob. There are provided door window glasses that can be opened and closed (see, for example, Patent Documents 1 and 2).

JP-A-7-65681 Japanese Patent Laid-Open No. 9-265851

In the device described in Patent Document 1, the contact is accommodated in the body, a pusher insertion hole is formed in the body, and the pusher inserted into the pusher insertion hole is pushed by the sliding of the slider. It is designed to move in and out of contact.
For this reason, liquids such as water and beverages do not normally enter, but when water is accidentally applied to the operation knob portion, for example, water that has traveled on the surface of the operation knob further travels down the slider and moves to the slider. Between the pusher and the body due to surface tension, and also between the pusher and the pusher insertion hole due to surface tension, entering the body and reaching the contact point. Had the fear of doing.

  On the other hand, in the above-mentioned Patent Document 2, the upper case is formed to prevent water from entering from the joint portion between the hole and the protrusion between the upper case and the lower case constituting the outer case of the switch device. In order to prevent water from entering from the connecting portion of the upper case and the lower case constituting the outer shell case of the switch device as described above However, it does not take into account the waterproof property against water that travels on the surface of the operation knob.

  The present invention has been made in view of the above-described circumstances, and therefore, the object thereof is to improve the waterproof property against water transmitted through the surface of the operation knob, and to ensure a good electrical insulation of the contacts. To provide.

In order to achieve the above object, a switch device of the present invention includes an operation knob, a body that accommodates a fixed contact and a movable contact, has a pusher insertion hole, is provided on a side surface of the body, and is operated by the operation knob. A slider that slides on the surface of the body while facing the pusher insertion hole, and is inserted into the pusher insertion hole, and moves in the hole according to the sliding of the slider to fix the movable contact. A pusher that contacts and separates from a contact; a first waterproof cover that is provided on the body and covers one edge portion in a direction intersecting the sliding direction of the slider; and provided on the slider, characterized in that a, a second waterproof cover for waterproofing suffer other edge portion in the direction orthogonal to the front Kisurido direction of the slider.

  According to the above means, even if water is transmitted through the surface of the operation knob, the waterproof cover prevents the water from entering between the slider and the body, so that the water is interposed between the pusher and the pusher insertion hole. Is prevented from entering and water does not reach the contacts in the body. As a result, it is possible to ensure good electrical insulation of the contacts in the body.

FIG. 5 is a side view of a vertical section of a single module switch taken along the line II of FIG. 5, showing an embodiment of the present invention. Top view of the entire switch Side view of the entire switch Vertical side view of the entire switch along line IV-IV in Fig. 2 Side view of module switch unit Cross-sectional view of module switch unit along line VI-VI in Fig. 5

Hereinafter, an example (one embodiment) of the present invention will be described with reference to the drawings.
First, FIG. 2 and FIG. 3 show the external appearance of a switch device, in particular, a vehicle wind regulator switch device as seen from above (FIG. 2) and from the side (FIG. 3). . In this case 1, four operation knobs 2 are arranged in accordance with the arrangement form of the window of the vehicle, and in addition, one operation knob 3 is arranged. In this case, the operation knob 2 is for raising and lowering each window of the vehicle, and the operation knob 3 is for common lock and common lock release of the window, for example.

  The case 1 is constituted by a case upper part 1a and a case lower part 1b in detail, and is composed of a rectangular parallelepiped box shape by connecting them with a plurality of holes 5 as well as a plurality of claw parts 4 on the side wall part. doing.

  As shown in FIG. 4, the upper surface of the case upper portion 1 a is open at the lower surface, and the lower surface of the case lower portion 1 b is open at the upper surface, and the knob support portion 6 for the operation knob 2 is formed in the upper case portion 1 a. The knob support portion 7 is formed. Each of these knob support portions 6 and 7 has a rectangular tube shape that protrudes upward, and communicates with the inside of the case 1, and the operation knob 2 is mounted on each of the knob support portions 6. The shaft 8 and the hole 9 of the side wall are pivotably mounted in the vertical direction, and the knob support 7 is mounted on the operation knob 3, and the shaft and the hole (both not shown) of the side wall are vertically moved. Is attached to be rotatable.

  The operation knob 2 has an arm 10, and the operation knob 3 has an arm 11 both projecting downward from the inner upper surface portion. The arm 10 is inserted into the knob support portion 6, and the arm 11 is inserted into the knob support portion. 7 is inserted into the case 1 together.

  On the other hand, a circuit board 14 in which a module switch 12 for the operation knob 2 and a module switch 13 for the operation knob 3 are mounted on the lower surface is mounted on the open upper surface of the case lower part 1b. The switch 12 has a slider 15 on the side surface. The slider 15 has a passive portion 16 on the outer surface portion, and the passive portion 16 includes, as shown in FIG. 5, a rib 16 a extending in the entire vertical direction and a convex portion 16 b located only in the upper half portion. It is made up. The module switch 13 has an actuator 17 protruding outside (see FIG. 4).

The tip 10a of the arm 10 of the operation knob 2 is positioned between the passive parts 16 (between the rib 16a and the convex part 16b), and the tip of the arm 11 of the operation knob 3 is located on the actuator 17. 11a is engaged. The distal end portion 10a of the arm 10 is used for sliding the slider 15 as will be described later, and both are tapered and further circular so that the sliding can be performed smoothly.
The circuit board 14 has a notch 14 a for sliding the slider 15 by the arm 10.

  In addition to FIG. 5, FIG. 1 and FIG. 6 show the configuration of the module switch 12 as a single item. In particular, as shown in FIG. 1, the contact piece pairs 19 and 20 are moved up and down inside the outer shell 18 as shown in FIG. Is provided. As shown in FIG. 6, the contact piece pair 19, 20 is composed of a fixed contact piece 21 and a movable contact piece 22 corresponding to the fixed contact piece 21. The body 18 has a contact 22a, and the body 18 accommodates the fixed contact 21a and the movable contact 22a.

  Further, as shown in FIGS. 1 and 5, connection terminals 23 to 25 connected to the fixed contact piece 21 and the movable contact piece 22 of the contact piece pair 19 and 20 are projected outside the body 18. 23 to 25 are inserted and connected to the circuit board 14.

  The body 18 is composed of a body base body (insulator) 18a and a body lid 18b in detail. As shown in FIG. 1, pushers are respectively formed on portions of the body lid 18b corresponding to the movable contact piece 22. Insertion holes 26 and 27 are formed, and pushers 28 and 29 are inserted into the pusher insertion holes 26 and 27, respectively. With respect to the pushers 28 and 29, the pusher 28 and 29 are pressed on the body 18 side of the slider 15 while pressing the pushers 28 and 29 while facing the pusher insertion holes 26 and 27 by the sliding of the slider 15, and released from the pusher. Transfer surfaces 15a and 15b are provided.

  The body 18 has a body lid 18b formed with a plurality of slider guides 30 and 31 for sliding the slider 15 on both upper and lower edges, and further, the upper edge of the body lid 18b and the slider. Waterproof covers 32 and 33 are formed on the lower edge portion of 15, respectively. Among these, the waterproof cover 32 of the body 18 extends over the entire length of the upper edge portion of the body lid 18b, and covers the upper edge portion 15c of the slider 15 from above in a bowl shape. On the other hand, the waterproof cover 33 of the slider 15 extends over the entire length of the lower edge portion of the slider 15 and covers the lower end edge portion 15d of the slider 15 from above and from the front with an inverted L-shaped cross section. It is.

Next, the operation of the switch device configured as described above will be described by using the operation knob 2 as a representative.
First, all the drawing shows a state in which the operating knob 2 is in the neutral position, from this state, when pushed in a counterclockwise direction as shown the operating knob 2 by the arrow A ₁ in FIG. 4, the arms 10 also rotates in the same direction, sliding to indicate the slider 15 of the module switch 12 via a driven mechanism 16 by the tip portion 10a in the arrow a ₂ in FIG.
On the other hand, the operation when the knob 2 is pulling operation in the direction of clockwise as indicated by an arrow B ₁ in the figure, the arm 10 also rotates in the same direction, the module switch 12 via a driven mechanism 16 by the tip portion 10a the slider 15 is slid as shown by the arrow B ₂ in FIG.

As a result of these sliding movements, the pushers 28 and 29 are pressed by the pusher moving surfaces 15a and 15b of the slider 15 or released from the pressing, and moved into the body 18 through the pusher insertion holes 26 and 27, or When the movable contact piece 22 is moved to the opposite side, and the movable contact piece 22 is pressed or released from the pressure, the movable contact 22 a is brought into contact with or separated from the fixed contact 21 a of the fixed contact 21.
Thereby, the window of the vehicle corresponding to the operated operation knob 2 is raised / lowered and opened / closed.

  As is clear from this description, the upper edge portion 15c and the lower edge portion 15d of the slider 15 are edge portions in a direction intersecting the sliding direction of the slider 15, and these edge portions 15c and 15d are covered with a waterproof cover. 32 and 33 are respectively covered.

  Now, in the switch device configured as described above, as described above, for example, when water is accidentally applied to the operation knob 2 portion, water may be transmitted through the surface of the operation knob 2. FIG. 1 shows this state by an arrow W, and water that has traveled on the surface of the operation knob 2 enters between the slider 15 of the module switch 12 and the body 18 above the slider 15. 15 is prevented by a waterproof cover 32 covering the upper end edge portion 15c from above, and the lower end of the slider 15 can also enter between the slider 15 and the body 18 of the module switch 12 on the lower side of the slider 15. This is prevented by a waterproof cover 33 covering the edge portion 15d from above and from the front.

  In this way, in the switch device having the above configuration, even if water is transmitted on the surface of the operation knob 2, it is prevented from entering between the slider 15 and the body 18 of the module switch 12, thereby Water does not enter between the pusher 28 and the pusher insertion hole 26 and between the pusher 29 and the pusher insertion hole, and does not reach a contact in the body. Thereby, the electrical insulation of the contact in the body 18 can be ensured satisfactorily.

Although only the operation knob 2 has been described above, the operation knob 3 is rotated to move the actuator 17 at the distal end portion 11a of the arm 11 and open / close the module switch 13. Although a waterproof structure from the operation knob 3 to the module switch 13 is not illustrated, it is appropriately applied.
Although the detailed explanation of the operation knob 3 is omitted, it is assumed that this also has the same function as that of the operation knob 2.

The present invention is not limited to a vehicle wind regulator switch device, and can be widely applied to general switches having the same configuration as the present invention.
In addition, the present invention is not limited to the embodiments described above and shown in the drawings, and can be implemented with appropriate modifications within a range not departing from the gist.

  In the drawings, 2 is an operation knob, 15 is a slider, 15c is an upper edge portion of the slider, 15d is a lower edge portion of the slider, 18 is a body, 21a is a fixed contact, 22a is a movable contact, 26 and 27 are pusher insertion holes, 28 and 29 are pushers, and 32 and 33 are waterproof covers.

Claims (1)

An operation knob,
A body containing a fixed contact and a movable contact and having a pusher insertion hole;
A slider that is provided on a side surface of the body and that is operated by the operation knob and slides on a surface of the body while facing the pusher insertion hole;
A pusher that is inserted into the pusher insertion hole and moves in the hole according to the sliding of the slider to bring the movable contact into contact with and away from the fixed contact ;
A first waterproof cover that is provided on the body and covers one end of the slider in a direction that intersects the sliding direction;
Provided on the slider, and a second waterproof cover for waterproofing suffer other edge portion in the direction orthogonal to the front Kisurido direction of the slider,
A switch device characterized by comprising:

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