JPH0729532Y2 - Switch device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention is designed to press an operator of an automatic return type so that the rocking member is alternately rocked in one direction or the other. The present invention relates to a switch device for switching a switch.

(Prior Art) FIG. 5 shows a configuration of a conventional switch device, for example, a dimmer switch device of an automobile. That is, 1 is a case, and the fixed contact piece 4 of the dimmer changeover switch 3 is provided on the board portion 2 of the case 1.
Has been attached. Reference numeral 5 denotes a slider slidably arranged on the base plate portion 2, and has a fixed contact piece 4 of the dimmer changeover switch 3 inside.
The movable contact piece 6 that is brought into contact with and separated from is attached, and the engaging portion 7 is formed on the upper surface portion. Reference numeral 8 denotes an automatic return type operator provided on the case 1 so as to be capable of being pressed and moved, and is always returned to its original position by a spring 9. Reference numeral 10 denotes a swinging member pivotally mounted on a pin 11 of the case 1 so as to have inclined portions 10a and 10b which are pressed by an operator 8 at an upper portion thereof and which engages with an engaging portion 7 at a lower end portion thereof. The drive unit 10c is formed. This swinging member 10 has an inclined portion 10
Each time a and 10b are pressed by the operating element 8, they are alternately swung, and the driving section 10c moves the slider 5 through the engaging section 7 to switch the dimmer changeover switch 3. There is. Reference numeral 12 is a hole formed in the slider 5, and a moderation sphere 13 housed in the hole 12 together with a spring is fitted into a recess (not shown) formed in the side surface of the case 1 to move the swinging member 10 into the hole. It is designed to be held in a swing position.

(Problems to be Solved by the Invention) In the dimmer switch device having the above-mentioned configuration, since the swing member 10 is provided above the slider 5, there is a problem that the height dimension becomes large as a whole. there were.

Then, the objective of this invention is providing the switch apparatus which can make height size small.

[Structure of the Invention] (Means for Solving Problems) The switch device of the present invention is provided with a case having a substrate part, and an automatic return type operator that always returns to the original position can be pushed and moved in this case. And a drive unit at an end of the case, and a swing member is pivotally provided so as to alternately swing each time the operator pushes the drive member. A sliding member is provided slidably provided with an engaging hole portion penetrating the portion and engaged therewith, which is moved by a driving portion of the swinging member according to the swinging of the swinging member. A switch operated by the movement of the child is provided, and a moderation protrusion is provided in the drive unit of the swing member so as to be biased toward the substrate unit, and the substrate unit is engaged with the moderation protrusion. The present invention is characterized in that a moderation protrusion that holds the swing member at the swing position is provided.

(Operation) According to the switch device of the present invention, since the driving portion of the swinging member that is swung by the operator to move the slider penetrates the engaging hole portion of the slider, the height dimension is correspondingly increased. Becomes small,
Further, since the moderation protrusion of the drive unit of the swing member is biased toward the substrate unit and engages with the moderation protrusion of the substrate unit, the swing member is held at the swing position.

(Embodiment) An embodiment in which the present invention is applied to a dimmer switch device for an automobile will be described below with reference to FIGS. 1 to 4.

First, in FIG. 1, reference numeral 21 denotes a container-like case having an open lower surface, and a bulging portion 22 having an opening 22a directed upward is formed in the central portion of the upper surface, and a guide extending upward from the front and rear surface portions. A wall 23 (only one shown) is formed. Reference numeral 24 denotes a board portion mounted so as to close the lower surface opening of the case 21. As shown in FIG. 2, a long common fixed contact piece 25 and both end portions of the common fixed contact piece 25 are provided. The first and second fixed contact pieces 26 and 27, which are short and are arranged in parallel with a space therebetween, are attached. Reference numeral 28 denotes a slider housed in the case 21 and slidably arranged on the substrate portion 24. First and second movable contacts 28 are urged downward by springs 29 and 30 at both end portions of the lower surface. Pieces 31 and 32 are attached. One end of each of the movable contact pieces 31 and 32 is constantly in contact with the common fixed contact piece 25, and each of the other end portions thereof has a fixed contact piece 26.
And 27. The movable contact pieces 31 and 32 and the fixed contact pieces 25 to 27 are used to switch the dimmer switch 33.
Is configured. Reference numeral 34 is an engaging hole portion formed in the central portion of the slider 28 so as to vertically penetrate therethrough, which is formed in a conical shape whose diameter gradually decreases downward, and a circular hole is formed in the lower portion.
34a is formed. Reference numeral 35 denotes an operating member disposed on the upper portion of the case 21 between the pair of guide walls 23. As shown in FIG. 3, this is a pressure receiving portion 36 at the center and legs at the left and right sides. It has portions 37, 37, and springs 38, 38 are housed in holes 37a, 37a formed in these leg portions 37, 37. The lower ends of these springs 38, 38 are in contact with the upper surface of the case 21, and bias the operating member 35 upward. In the operation member 35, the upper surfaces of the legs 37, 37 of the operation member 35 are the guide walls 2
It abuts on the stoppers 39, 39 protruding from the side surface of 3,
It is held in its original position. Reference numeral 40 denotes a rod-shaped operator, the head portion 40a of which is fitted into the recess portion 36a formed in the lower surface portion of the pressure receiving portion 36. 41 is a conical helical spring, the upper end of which is in contact with the lower surface of the head 40a of the operator 40, and the lower end of which is the holding member 42.
Is in contact with. The holding member 42 is U-shaped, has an insertion hole 42a through which the operating element 40 is inserted, and locking holes 42b and 42b at both sides. Then, the holding member 42 is inserted from below into the groove portions 36b, 36b formed by vertically penetrating the side surface portion of the pressure receiving portion 36, and the locking hole 4
2a, 42a is integrated with the pressure receiving portion 36, that is, the operating member 35 by engaging with the locking projections 36c, 36c that are provided to project in the groove portions 36b, 36b. Are integrated. Reference numeral 43 denotes a swinging member pivotally mounted on the bulging portion 22 of the case 21 by a pin 44 so as to be located on the left and right sides of the center on the upper surface portion facing the lower end portion of the operator 40. Character-shaped inclined portions 45 and 46 are formed, and a drive portion 47 that penetrates the engagement hole portion 34 and engages with the hole 34a is formed at the lower end portion. Reference numeral 48 is a hole formed at the tip of the drive unit 47, and a moderating protrusion 49 having a conical tip is movably accommodated in the hole. Biased in the direction. Reference numeral 51 is a chevron-shaped detent protrusion formed on the common fixed contact piece 25 of the substrate portion 24, and the detent protrusion is urged by the spring 50.
49 is sliding contact.

Next, the operation of the above configuration will be described.

As shown in FIG. 1, when the slider 28 is moved to the right, the dimmer changeover switch 33 moves to the second movable contact piece 32.
Contact the second fixed contact piece 27, and the first movable contact piece 31 moves to the first
In the high beam state, which is the first state in which the fixed contact piece 26 is separated from the fixed contact piece 26. When the pressure receiving portion 36 of the operating member 35 is pressed downward by the operating lever 52 from this state, the tip end of the operating element 40 abuts the second inclined portion 46 of the swinging member 43 and compresses the spring 41, and in the direction of arrow A. To contact the valley portion 46a. When the pressure receiving portion 36 is further pressed downward, the head portion 40a of the operating element 40 is depressed by the recess 3
Since it is fitted inside 6a, the swinging member 43, that is, the drive portion 47 is swung in the direction of the arrow B, and the slider 28 is moved leftward through the engagement hole portion 34. On the other hand, in response to the swinging of the drive portion 47 in the direction of arrow B, the moderation protrusion 49 moves leftward on the right slope 51a of the moderation protrusion 51 against the elastic force of the spring 50. Then, when the moderation protrusion 49 exceeds the central portion of the moderation protrusion 51 shown in FIG. 4, the moderation protrusion 49 slides on the left slope 51b of the moderation protrusion 51 due to the elastic force of the spring 50. It moves to the left, and the swinging member 43 is further swung in the direction of arrow B to move the slider 28 to the left via the drive unit 47. As a result, the dimmer changeover switch 33 is in a second state in which the second movable contact piece 32 separates from the second fixed contact piece 27 and the first movable contact piece 31 contacts the first fixed contact piece 26. Switch to the low beam state. When the downward pressing force of the operating member 35 by the operating lever 52 is released, the operating member 38 automatically returns to the original position shown in FIG. It returns to its original position by the force.

Next, when the pressure receiving portion 36 of the operating member 35 is pressed downward again from the low beam state of the dimmer changeover switch 33 described above, the tip end of the operator 40 abuts the first inclined portion 45 of the swinging member 43 and the spring 41 is pushed. While being compressed, it moves in the direction opposite to the arrow A along the inclined portion 45 and comes into contact with the valley portion 45a. When the pressure receiving portion 36 is further pressed downward, the swinging member 43, that is, the driving portion 47 is swung in the direction opposite to the arrow B in the same manner as described above, and the slider 28 is inserted through the engaging hole portion 34.
To the right. When the moderation protrusion 49 is moved to the right on the left slope 51b of the moderation protrusion 51 against the elastic force of the spring 50, and exceeds the central portion of the moderation protrusion 51, the moderation protrusion 49
Is moved to the right as if sliding on the right slope 51a of the moderation projection 51 by the elastic force of the spring 50, and the dimmer changeover switch
33 switches from the low beam state to the high beam state.

According to the above embodiment, the following effects can be obtained. That is, the slider 28 is slidably arranged on the substrate portion 24 of the case 21, and the swinging member penetrates through the engaging hole portion 34 of the slider 28.
Since the drive portions 47 of 42 are engaged, the overall height dimension can be made smaller than in the conventional case. In addition, since the moderating protrusion 49 is provided on the driving portion 47 of the swinging member 43 and the moderating protrusion 51 is provided on the substrate portion 24, the swinging member 43 can be held at the swinging position. Further, since the moderation protrusion 51 is provided on the common contact piece 25 of the dimmer changeover switch 33, the durability is excellent as compared with the case where the moderation protrusion 51 is provided directly on the substrate part 24 or the case 21, for example.

[Effects of the Invention] As is clear from the above description, according to the present invention, the slider is slidably arranged on the base plate of the case, and the swinging member penetrates through the engagement hole of the slider. Since the drive part of the above is engaged, the moderation protrusion is provided on this drive part, and the moderation protrusion is provided on the board part, the overall height is maintained while maintaining the function of holding the swinging member at the swing position. The size can be reduced.

[Brief description of drawings]

1 to 4 show an embodiment of the present invention. FIG. 1 is a vertical sectional front view, FIG. 2 is a top view of a substrate portion, FIG. 3 is an exploded perspective view of an operating member, and FIG. The figure shows a different state 1
FIG. 5 is a view equivalent to FIG. 5, and FIG. 5 is a vertical sectional front view of a conventional example. In the figure, 21 is a case, 24 is a substrate part, 28 is a slider, 33 is a dimmer changeover switch (switch), 34 is an engagement hole part, 40 is an operator, 43 is a swing member, 47 is a drive part, Reference numeral 49 indicates a moderation protrusion, and 51 indicates a moderation protrusion.

Claims (1)

[Scope of utility model registration request] 1. A case having a substrate portion, an automatic return type operator provided in the case so as to be capable of being pressed and moved so as to always return to the original position, and alternately every time the operator presses the case. An oscillating member pivotally mounted to oscillate and provided with a drive portion at its end, and a drive portion of the oscillating member which is slidably disposed on the base plate portion of the case and is engaged therewith. A slider having an engaging hole portion that is moved by the drive unit according to the swing of the swing member, a switch operated by the movement of the slide member, and a drive unit for the swing member. A detent protrusion provided to be biased toward the substrate portion, and a detent protrusion that is provided on the substrate portion and holds the swing member at the swing position by engaging with the detent protrusion. A switch device comprising: