JPH02242542A - Double action switch - Google Patents

Abstract

PURPOSE:To make it possible to lighten the whole while a light source for knob lightening is placed in the center of an operational knob by installing one modulating system so as to give click-feeling in a switch operational system side. CONSTITUTION:A modulating system is composed with a slide dowel 36 which is so inset in a holding hole 33 as to come in and out the hole freely, a spring 37 which pushes the slide dowel upward, and a stopping hole 32. When an operational knob 31 is rotated, a coupled driving knob 30 is rotated unitedly through a modulating system 35 and at first a coupled driving knob 30 turns first switch parts 44, 44' to be on and at this time the first switch parts generate click-feeling. After that, when the operational knob 31 is further rotated, the operational knob is relatively rotated against a coupled driving knob 30 resisting to a holding power by a modulating system 35 and after this modulating system generate click-feeling, the operational knob turns second switch parts 45, 45' to be on. By this system, a lightening source for a knob lightening is able to be placed in the center of the operational knob.

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a double-action switch in which two switch parts can be turned on sequentially by an operation knob and a driven knob that rotates in conjunction with the operation knob. .

(Prior Art) Some automobile doors 1 as shown in FIG. 6 have heretofore been provided with a power window. In this power window, a door glass 4 is normally driven up and down by operating a power window switch 3 installed on an armrest 2 of a door 1 via a motor (not shown). As such a power window switch 3, for example, a double action switch as shown in FIGS. 7 and 8 is considered.

In this Fig. 7, 5 is a printed circuit board, 6 is a printed circuit board, and 6 is a printed circuit board.
This is a support bracket attached to the board 5''.

As shown in FIG. 8, this support bracket 1-6 is provided with a pair of support pieces 7, 7 protruding from the support bracket 1-6. cam groove 9
is formed. Furthermore, an intermediate portion of a switch operation member 10 is disposed between the support pieces 7 and 1, and the switch operation member 10 is rotatably mounted on the support pieces 7 and 7 with a pivot 11. There is.

The switch operating member 10 includes switch pressing portions 12 extending toward both sides of the support bracket 6 as shown in FIG. 12' and this switch pressing part 1212'
A protrusion 13 extending diagonally upward corresponding to the . 13', and a protrusion 14 that protrudes toward the 7-shaped cam groove 9. Moreover, the switch suppressing section 12. L-shaped stopper parts 12a, 12a' extending in opposite directions are formed near the lower end of the protrusion 13°1.
3', 14 have holding holes 13a, 13a',
14a are formed respectively.

This protrusion 13. An operating knob 15 is disposed above the operating knob 13', and a V-groove-shaped cam surface 16 is provided on the side of the operating knob 15.
, 16' are formed, and an arcuate cam surface 17 is formed on the lower surface of the center of the operating knob 15. Each holding hole 13a, 13a', 14a has a slide piece 18 with a spherical tip. 18', 19 and this slide piece 18. Spring 20 biasing 18'19. 20',
21 are held respectively. Note that the spring force of the spring 21 is equal to that of the spring 20. The spring force is set to be sufficiently smaller than the spring force of 20'.

Further, the upper end of the bushing rod 22 inserted into the rod insertion hole 8 is in contact with the arcuate cam surface 17. Then, on the above-mentioned printed circuit board 5, there are switch pressing parts 12, 12.
1st switch section 23 corresponding to '. 23' and a second switch section 24 corresponding to the bushing rod 22 are provided. Each switch section 23. 23', 24 are
Fixed contacts 23a, 23a', 24a and movable contacts 23b, 23b', 24 having spring properties.
It has b.

In this configuration, when the left end of the operating knob 15 is pressed downward as indicated by the arrow 25 in FIG.
18' and spring 20. 20' spring force causes the pivot 11
They rotate integrally in the counterclockwise direction in FIG. 7 about the center. At this time, the spring force of the spring 21 is equal to that of the spring 20. Since the spring force is smaller than the spring force of 20', the spring 21 is compressed by the action of the figure 7-shaped cam groove 9, and the slide piece 19 is disengaged from the figure 7-shaped cam groove 9, producing a first click feeling. And this first
After the click feeling occurs, the movable contact 23b of the first switch section 23 is pressed into contact with the fixed contact 23a by the switch pressing section 12, and the first switch section 23 is turned on. At about the same time, the stopper portion 12a comes into contact with the printer 1 and the substrate 5, and the rotation of the switch operating member 10 is stopped.

After this, when the operation knob 15 is pressed further, the spring 2
0 comes off the groove of the V-shaped cam surface 16, a second click feeling occurs, and the operation knob 15 moves to the slide piece 18.
Rotates around the contact point to ′. At this time, the spring 20 is compressed by the action of the cam surface 16, and the slide piece 18 moves to 13.
a, and the operation knob 15 is inserted into the bush rod 2.
2 is linearly displaced downward, the movable contact 24b of the second switch part 24 is brought into pressure contact with the fixed contact 24a,
The second switch section 24 is turned on.

(Problem to be Solved by the Invention) However, unlike the conventional method, the ON operation of the first switch portion 23 by the switch operation member 10 and the button shrod 2
In order to provide a click feeling when the second switch portion 24 is turned on by the switch 16.2, a cam mechanism having a 7-shaped cam groove 9 and a cam surface 16. 16', it is difficult to allow the illumination light to pass through substantially the entire surface of the operating knob 15, and to make the illumination light that passes through substantially the entire surface of the operating knob 15 uniform. there were.

Therefore, the present invention provides a cam mechanism that provides a click feeling when the switch section of the -th stage is turned on, without providing multiple stages of the cam mechanism on the switch operating mechanism side as in the conventional case, and provides the switch section with a click feeling when the -stage switch section is turned on. By providing a cam mechanism, that is, a moderation mechanism, on the switch operation mechanism side to provide a sense of sensation, a double-action switch is provided that can illuminate the entire knob by placing a light source for illuminating the knob in the center of the operation knob. The purpose is to

(Means for Solving the Problems) Based on this object, the present invention provides an operation knob and a driven knob that are mounted adjacent to each other on a substrate so as to be rotatable relative to each other,
A moderation mechanism is interposed between the two knobs to interlock them, and a first switch section and a second switch section are provided that produce a click feeling when pressed.
A switch part is attached to the substrate 1- in correspondence with the driven knob and the operating knob, respectively, and by rotating the operating knob, the driven knob is integrated with the operating knob via the moderation mechanism. When rotated, the driven knob turns on the first switch section and stops,
The operating knob is a double-action switch configured to rotate relative to the driven knob against the holding force of the moderation mechanism to turn on the second switch section. be.

(Function) According to such a configuration, when the operating knob is rotated, the driven knob is rotated integrally with the operating knob via the moderation mechanism, and the driven knob first moves to the first switch section. O
Press N to stop. At this time, since the first switch section generates a click feeling, the operator confirms through sound or hand that the first switch section has been turned on.

After this, when the operation knob is further rotated, the operation knob is rotated relative to the driven knob against the holding force of the moderation mechanism, and after the moderation mechanism produces a click feeling, the operation knob is rotated for the first time. Turn on the 2nd switch.

(Example) Hereinafter, an example of the present invention will be described based on FIGS. 1 to 5.

[First Embodiment] FIGS. 1 to 4 show a first embodiment of the present invention.

In FIG. 3, 26 is a power window door of the automobile, 27 is an armrest provided on the inner surface of the door 26, 28 is a window glass that is driven up and down by a motor (not shown), and 29 is a motor that operates this motor. It is a double action switch that functions as a power window switch. This double action switch 29 is the armrest 27
It is attached to a mounting hole 27a opened on the top surface of the .

As shown in FIGS. 1, 2, and 4, this double-action switch 29 includes a square frame-shaped driven knob 30 and an operation knob 31 whose lower part is disposed inside the driven knob 30.
has.

A semi-cylindrical portion 30a that bulges upward is provided on one side of the driven knob 30, and side walls 30b, 30b' (fourth
(see figure) is provided. The lower end of each side wall 30b and the connecting portions 30c, 3 between the side walls 30b, 30b'
At 0c', Figure 1.

As shown in FIG. 2, inclined surfaces 30d and 30d' are formed which are inclined obliquely upward from the center to the left and right. Incidentally, the side wall 30b' also has similar inclined surfaces 30d, 30d.
' is formed.

The angle α formed by these inclined surfaces 30d and 30d' is 18
It is set smaller than 0°. Moreover, the semi-cylindrical part 3
A locking hole 32 is formed in the upper part of Oa.

The operation knob 31 also includes a large diameter shaft portion 31a having a substantially semicircular shape, and an operation portion 31b connected to an upper portion of the large diameter shaft portion 31a.
It has a small diameter shaft portion 31c having a substantially semicircular shape provided at one end of the large diameter shaft portion 31a. The large diameter shaft portion 31a and the small diameter shaft portion 31c are provided concentrically, and the shaft portion 31a,
The lower end of 31C is formed with inclined surfaces 31d and 31d' which are inclined diagonally upward from the center to the left and right. The angle β formed by the sloped surfaces 31d and 31d' is set smaller than the angle α formed by the sloped surfaces 30d and 30d'. Further, this small diameter shaft portion 31c is the semi-cylindrical portion 30 described above.
A holding hole 33 that opens upward and corresponds to the locking hole 32 is formed in the small diameter shaft portion 31c. Moreover, the operation knob 31 has a large diameter shaft portion 3.
1a, and is attached to the center of the side walls 30b, 30b' of the driven knob 30 so as to be relatively rotatable by a support shaft 34 passing through the center of the small diameter shaft portion 31c.

The semi-cylindrical portion 30a of such a driven knob 30 and the operation knob 31
A moderation mechanism 35 is interposed between the small diameter shaft portion 31c and the small diameter shaft portion 31c. This moderation mechanism 35 is composed of a slide piece 36 that is fitted into the holding hole 33 so as to be freely retractable, a spring 37 that urges the slide piece 36 upward, and the above-mentioned locking hole 32. . Furthermore, the spherical portion 36a at the upper end of this slide piece 36 is engaged with the locking hole 32. In this state, the side wall 30b.

An inclined surface 30d provided on 30b', an inclined surface 31d provided on the apex of 30d' and shaft portions 31a and 31c,
The apexes of 31d' are aligned at point A in FIG. 1, and the angles formed by the left and right inclined surfaces 3 (kl, 30d') are the same angle γ.

In addition, the double action switch 29 has a take-out hole 27.
A printed circuit board 38 is fixed on the bottom of the printed circuit board 38, and a support plate 39, which is a circuit board, is fixed on the printed circuit board 38 at intervals. An assembly of the above-mentioned driven knob 30 and operation knob 31 is disposed on this support plate 39. A pair of support protrusions (not shown) are provided on the support plate 39, and the support shaft 34 is attached to the support protrusions.
The driven knob 30 and the operation knob 31 are rotatably supported by the support plate 39'.

This support plate 39 has continuous parts 30c, 30c.
The insertion hole 40 facing the lower surface of the end opposite to the semi-cylindrical part 30a. 40' is formed, and the inclined surface 3
1. d31d' insertion hole 40. 40' (An insertion hole 41. 41' facing the part located near 'j is formed. These insertion holes 40. 40', 41. 4
1' has a bushing rod 4242', 43. 43
``'' is inserted so that it can freely move downward.

Then, on the printed circuit board 38, there is an insertion hole 40. 4
0', the first switch portion 44. 44' and an insertion hole 41. 41' corresponds to the second switch section 45. 45' is provided. 46
is a rubber sheet attached on the printed circuit board 38.

The first switch section 44 includes a trapezoidal protrusion 47 provided on the rubber sheet 46, a protrusion 48 provided on the inner surface of the upper wall of the protrusion 47, and a lower end of the protrusion 48. Movable contact 4
9, and a fixed contact 50 fixed to the printed circuit board 38'2 opposite to the movable contact 49. Further, the first switch portion 44' also has a bulging protrusion 47. Protrusion, movable contact 49.
It has a protrusion 47', a protrusion 48', a movable contact 49', and a fixed contact 50' similar to the fixed contact 50.

The second switch section 45 includes a trapezoidal bulging protrusion 51 provided on the rubber sheet 46, a protrusion 52 provided on the inner surface of the earthen wall of the bulging protrusion 51, and a lower end of the protrusion 52 fixed to the second switch part 45. Movable contact 5
3, and a fixed contact 54 fixed on the printed circuit board 38 facing the movable contact 53. Further, the first switch portion 45' also includes the bulging protrusion 51. Projection 52. Movable contact 53.
A bulging protrusion 51' similar to the fixed contact 54, a protrusion 5
2', a movable contact 53', and a fixed contact 54'.

Each switch section 44. 44', 45. 45' bulging protrusion 47°47', 51. 51' is designed to produce a click feeling when pressed.

Next, the operation of the double action switch having such a configuration will be explained.

According to this configuration, when the operating portion 31b of the operating knob 31 is pressed from above as shown by the arrow 55 and the operating knob 31 is rotated counterclockwise about the support shaft 34, the driven knob 30 is rotated. It is rotated counterclockwise integrally with the operating knob 31 via the moderation mechanism 35. As a result, the inclined surface 30d of the driven knob 30 first displaces the bushing rod 42 downward against the elastic force of the bulging protrusion 47 of the first switch section 44. As a result, the bulging protrusion 47 is elastically deformed to produce a click feeling, and the movable contact 49 is moved to the fixed contact 5.
0, the first switch section 44 is turned on, and the rotation of the driven knob 30 is stopped. As described above, when the bulging protrusion 47 of the first switch section 44 is elastically deformed, a click feeling is generated, so that the operator confirms whether the first switch section 47 is turned on by sound or hand.

After that, when the operation knob 31 is further rotated, the operation knob 31 resists the holding force of the moderation mechanism 35 and the driven knob 3
When the slide piece 36 of the moderation mechanism 35 is rotated relative to the 0 direction in the counterclockwise direction 1, the slide piece 36 of the moderation mechanism 35 is disengaged from the locking hole 32 due to the force of the spring 37, producing a click feeling.

After that, when the operating knob 31 is further rotated, the inclined surface 31d of the operating knob 31 moves the bushing rod 43 to the bulging protrusion 5.
1, the bulging protrusion 51 is elastically deformed to produce a click feeling, the movable contact 53 is brought into contact with the fixed contact 54, and the second switch part 45 is turned on.
At the same time, the operation knob 310 stops rotating.

In this way, when the bulging protrusion 51 of the second switch section 45 is elastically deformed, a click feeling is generated, so that the operator can confirm through sound or hand that the second switch section 45 is ON. .

[Second example FIG. 5 shows a second embodiment of the invention.

This embodiment shows an example in which another moderation mechanism 56 is provided in place of the moderation mechanism 35 of the first embodiment.

This moderation mechanism 56 includes a holding hole 5 provided in the semi-cylindrical portion 30a.
7 and v? provided on the small diameter shaft portion 31c in correspondence with the holding hole 57. Ja5a is inserted into the holding hole 57 and the V groove 58
A hole 59 engages with the V-groove 58, and a spring 60 presses the ball 59 into the V-groove 58. In addition, other 411X configurations/
Since the operation is the same as that in the first embodiment, the same reference numerals are given and the explanation thereof will be omitted. Further, moderation mechanism 60 for A4 is almost the same as moderation mechanism #456.

(Effects of the Invention) As explained above, the present invention has an operating knob and a driven knob that are adjacent to each other and are mounted on a substrate so as to be rotatable relative to each other, and a moderation mechanism is provided between the two knobs to interlock them. equipped,
A first switch part and a second switch part that produce a click feeling when pressed are mounted on the board in correspondence with the driven knob and the operating knob, respectively, and the driven knob is rotated by rotating the operating knob. When the knob is rotated integrally with the operation knob via the moderation mechanism, after the driven knob turns on the first switch section and stops, the operation knob resists the holding force of the moderation mechanism. The second switch part is turned on by being rotated relative to the driven knob.
Since the configuration is configured such that the cam mechanism to provide a click feeling is not provided in multiple stages on the switch operation mechanism side as in the past, the switch section of the - stage is turned ON [
By placing the click feeling of poetry in the switch part,
By providing a cam mechanism, ie, a moderation mechanism, on the switch operation mechanism side to provide a click feeling, it is possible to arrange a light source for illuminating the knob at the center of the operation knob.

[Brief explanation of drawings]

Figures 1 to 4 show a first embodiment of the double action switch of the present invention.
2 is a sectional view taken along line II-II in FIG. 4; FIG. 3 is a perspective view of the door equipped with the double action switch shown in FIGS. 1 and 2; Figure 4 is the third
FIG. 3 is a plan view of the double action switch of the armrest shown in the figure. FIG. 5 is a sectional view similar to FIG. 2 showing a second embodiment of the invention. FIG. 6 is a perspective view of a door equipped with a conventional double action switch. FIG. 7 is a sectional view of the double action switch shown in FIG. 6. FIG. 8 is a sectional view taken along the line ■-■ in FIG. 7. 29...Double action switch (power window switch) 30...Followed knob 31...Operation knob 35...
・Moderation mechanism 44. 44'...first switch section 45, 45'...second switch section 56...moderation mechanism

Claims (1)

[Claims] (1) An operating knob and a driven knob that are adjacent to each other are mounted on a board so as to be rotatable relative to each other, and a moderation mechanism that interlocks the two knobs is interposed between the two knobs, and a first knob that produces a click feeling when pressed. A switch part and a second switch part are mounted on the board in correspondence with the driven knob and the operating knob, respectively, and by rotating the operating knob, the driven knob is connected to the operating knob via the moderation mechanism. When rotated integrally with the driven knob, after the driven knob turns on the first switch section and stops, the operation knob is rotated relative to the driven knob against the holding force of the moderation mechanism. A double-action switch characterized in that the switch is configured to turn on a second switch part when the user presses the switch.