JP2008108655A - Horizontal-press two-step action switch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a thin type horizontal-press two-step action switch. <P>SOLUTION: For the horizontal-press switch in which a cantilevered part 8e is integrally formed with a push button 8 pressing in a horizontal direction, a free end of the cantilevered part 8e is made in contact with the surface of a slanted part 5g integrally formed with a metal cover 5 to slide in accordance with a pressing-in operation of the push button 8, and a dome-shaped metal spring 6 is pressed down by the free end of the cantilevered part 8e to reverse, a first fixed contact 2a and a second fixed contact 3a are provided at two points at an outside part as well as a center part at a bottom part side of the dome-shaped metal spring 6, of which, the dome-shaped metal spring 6 is kept in contact with the first fixed contact 2a at all times, a common terminal part 5j is integrally formed with the metal cover 5, and a contact 9 is provided at a free end of the cantilevered part 8e for electrically connecting the metal cover 5 and the dome-shaped metal spring 6, so that the switch is to be made operated in two steps in a structure of pressing down one sheet of dome-shaped metal spring 6. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a lateral push type two-stage operation switch.

  Conventionally, a push switch has a vertical push-type (one-stage operation) switch using a single dome-shaped metal spring as a movable contact (see, for example, FIG. 3 of Patent Document 1), and a dome-shaped metal spring of the vertical push-type switch. There is a vertical push type two-stage operation switch (see, for example, Patent Document 2) arranged in two, upper and lower two stages.

  In the vertical push switch, there are two different fixed contacts on the bottom side facing the dome-shaped metal spring, the outer portion and the central portion, and the dome-shaped metal spring is always in contact with the fixed contact on the outer portion. . When the dome-shaped metal spring is pushed down by pressing the push button from above, it is reversed downward and comes into contact with the fixed contact at the center, and a click feeling and an electric signal are obtained.

  In the vertical push type two-stage operation switch, different fixed contacts (common contact, first contact) are provided on the bottom side of the upper and lower two-stage dome-shaped metal springs at the outer part, between the center and the outer part, and at the center part. There is a selection contact and a second selection contact). The first (upper) dome-shaped metal spring is always in contact with the common contact, and the second (lower) dome-shaped metal spring is always in contact with the first selection contact. In contact. When the first-stage dome-shaped metal spring is pushed down by pressing the push button from above, the first-stage dome-shaped metal spring is reversed downward to come into contact with the second-stage dome-shaped metal spring, and the first-stage click feel and electric signal are obtained. When further pushed down, the second-stage dome-shaped metal spring is inverted downward to come into contact with the second selection contact, and the second-stage click feeling and the electric signal are obtained.

  In addition, the push switch has been replaced with a push button that presses the push button of the vertical push switch from the horizontal direction and a mechanism that converts the push button press from the horizontal direction to a lower right angle direction. There is a type (one-stage operation) switch (see, for example, Patent Document 3), and the height is reduced compared to a vertical push type switch, and it is thin.

  In the lateral push type switch, there are two different fixed contacts on the bottom side of the dome-shaped metal spring, the outer portion and the central portion, and the dome-shaped metal spring is always in contact with the fixed contact on the outer portion. The cantilever part is formed integrally with the push button that is pressed from the side, and the free end of the cantilever part is brought into contact with the surface of the inclined part that is formed integrally with the metal cover, and is slid in accordance with the pushing operation of the push button. When the dome-shaped metal spring is pushed down and inverted by the free end of the cantilever portion, the dome-shaped metal spring comes into contact with the fixed contact at the center, and a click feeling and an electric signal are obtained.

Such a lateral push switch is used as an operation switch for side operation of, for example, a mobile phone, a portable audio player, a digital camera, etc. In addition to the reduction in size and thickness of this type of electronic device, its multi-function With the progress of computerization, a two-stage operation is required.
JP 2001-84865 A JP 2005-216868 A JP 2005-122989 A

  The horizontal push type two-stage operation switch is a conventional side push type switch, in which two dome-shaped metal springs are arranged in two upper and lower stages, and on the bottom side of the upper and lower two-stage dome-shaped metal springs, Different fixed contacts (common contact, first selection contact, second selection contact) are provided between the center and the outer part, and at the center, and the first (upper) dome-shaped metal spring is connected to the common contact. It can be configured by always contacting the second-stage (lower) dome-shaped metal spring with the first selection contact. However, in the structure in which the two dome-shaped metal springs are pushed down in the upper and lower two stages, the pushing stroke of at least twice as much as the one-stage action of pushing down one dome-shaped metal spring is required. No, there was a problem that the thin-type function was greatly impaired.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a thin lateral push type two-stage operation switch.

  The lateral push type two-stage operation switch of the present invention has a cantilever part integrally formed on a push button that is pressed from the lateral direction, and a free end of the cantilever part is formed on a surface of an inclined part formed integrally with a metal cover. In a lateral push type switch configured to contact and slide in accordance with the push-in operation of the push button and to push down and reverse the dome-shaped metal spring by the free end of the cantilever part, on the bottom side of the dome-shaped metal spring The first fixed contact and the second fixed contact are provided at two locations, the outer part and the central part, the dome-shaped metal spring is always in contact with the first fixed contact, the common terminal is integrally formed on the metal cover, and cantilevered A contact for electrically connecting the metal cover and the dome-shaped metal spring is provided at the free end of the beam portion.

  In the lateral push type two-stage operation switch of the present invention, the contact is brought into contact with the dome-shaped metal spring by pressing the push button from the lateral direction, and the metal cover and the dome-shaped metal spring are electrically connected through the contact. Thus, the first-stage electrical signal is obtained, and then the dome-shaped metal spring is inverted downward and brought into contact with the second fixed contact, whereby the second-stage click feeling and the electrical signal are obtained. Although the switch is operated in two stages, the height of the switch can be suppressed while the structure is such that one dome-shaped metal spring is pushed down.

  In the lateral push type two-stage operation switch of the present invention, it is preferable to provide a convex part for obtaining a first-stage feel on the inclined part of the metal cover.

  According to the lateral push type two-stage operation switch of the present invention, since the switch is operated in two stages while having a structure in which one dome-shaped metal spring is pushed down, a thin lateral push type two-stage operation switch is provided. Obtainable. In addition, since only one dome-shaped metal spring is used, the number of parts is reduced, and a side-push type two-stage operation switch that is easy to assemble and low in cost can be obtained.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an external appearance of a lateral push type two-stage operation switch according to an embodiment of the present invention. FIG. 2 is another perspective view showing an appearance of a lateral push type two-stage operation switch according to an embodiment of the present invention. FIG. 3 is a plan view showing the external appearance of a lateral push type two-stage operation switch according to an embodiment of the present invention, and FIG. 4 is a bottom view showing the external appearance of the lateral push type two-stage operation switch according to an embodiment of the present invention. FIG. 5 is a plan view of a cover-removed state showing the internal structure of the two-stage operation of the lateral push type switch according to the embodiment of the present invention. FIG. 6 is a side push type two-stage operation switch according to the embodiment of the present invention. FIG. 7 is an assembled view of a lateral push type two-stage operation switch according to an embodiment of the present invention.

  1 to 7, a lateral push type two-stage operation switch 1 according to an embodiment of the present invention is made of a synthetic resin that is integrally formed with a first fixed contact terminal 2 and a second fixed contact terminal 3 by insert molding. Insulating body 4, metal cover 5 forming a rectangular parallelepiped switch case with body 4, one dome-shaped metal spring 6 used as a movable contact, and adhesive tape 7 for holding the dome-shaped metal spring And a push button 8 made of a synthetic resin for performing a switch operation by pressing from the lateral direction and having an insulating property, and a contact 9 for electrically connecting the metal cover 5 and the dome-shaped metal spring 6. It is configured.

  The body 4 is formed in a box shape with an open top surface, and a movable contact housing recess 4a is provided on the inner bottom surface thereof. The first fixed contact terminal 2 and the second fixed contact terminal 3 are formed by punching and bending a highly conductive metal thin plate, and are embedded in an insulating state at the bottom of the body 4. A part of the first fixed contact terminal 2 is exposed to the outside of the bottom surface of the movable contact housing recess 4a to form a first fixed contact 2a (first selection contact). Part of the second fixed contact terminal 3 is exposed at the center of the bottom surface of the movable contact housing recess 4a to form a second fixed contact 3a (second selection contact). The first fixed contact terminal 2 and the second fixed contact terminal 3 are partially exposed on the outer bottom surface of the body 4 so that the first external connection terminal 2b of the lateral push type two-stage operation switch 1 is exposed. And the second external connection terminal 3b. The first external connection terminal 2b and the second external connection terminal 3b are surface-mounted by soldering on a printed circuit board (not shown).

  Further, the body 4 is provided with a push button protruding notch 4b on one of the front, rear, left and right side walls (the left side wall in the present embodiment), and a push button return plate is provided on the right side wall so as to face the notch 4b. A notch 4c for spring entry is provided, and a protrusion 4d for positioning the cover is provided at the upper four corners so as to protrude upward, and the outer surface of the left wall outside the push button protrusion notch 4b is provided with a first cover fixing. One locking claw 4e protrudes outward, and a second locking claw 4f for fixing the cover protrudes outward at the rear end of the outer surface of the front and rear side walls.

  The metal cover 5 covers the open upper surface of the body 4 and forms a switch case. The metal cover 5 is formed by punching and bending a highly conductive metal plate, and has cover positioning notches 5a at four corners. Provided is a first locking piece 5b having a spring property for fixing the cover extending from both ends of the left edge, and provided at both ends of the right edge so as to sandwich the body 4 with the first locking piece 5b. A projecting piece 5c having a spring property extending downward, and a second locking piece 5d having a spring property for fixing the cover so as to sandwich the body 4 from the front and rear side edges. A spring connecting piece 5e is provided to extend downward from the center portion of the right edge, and a pair of push button return leaf spring pieces 5f are provided from both side edges of the spring connecting piece 5e to the lower side of the right end of the metal cover 5 in plan view C. It extends in a letter shape.

  When the open upper surface of the body 4 is covered with the metal cover 5 in the final assembly stage of the side push type two-stage operation switch 1, the cover 5 is attached to the protrusion 4d of the body 4 by fitting the notch 5a of the metal cover 5 to the body. 4 is positioned at the open top surface. The lower part of the first locking piece 5b of the metal cover 5 is pushed outward by a taper attached to the upper part of the first locking claw 4e of the body 4, and rides on the outer surface of the first locking claw 4e. When it gets over the first locking claw 4e, it returns to its original position, overlaps while pressing the outer surface of the left side wall outside the notch 4b of the body 4, and locks to the first locking claw 4e from below, The body 4 is sandwiched from the left and right lateral outer sides by the protruding pieces 5c that overlap while pressing the outer surface of the right side wall on the outer side of the notch 4c. Further, the second locking piece 5d has its lower portion pushed outward by a taper attached to the upper portion of the second locking claw 4f of the body 4 and rides on the outer surface of the second locking claw 4f. At the time of overcoming the claw 4f, it returns to its original state, overlaps while pressing the front and rear side wall outer surfaces of the body 4, and engages with the second engagement claw 4f from below and holds the body 4 from the front and rear lateral sides. Thus, the cover 5 is fixed to the open upper surface of the body 4.

  When the open upper surface of the body 4 is covered with the metal cover 5 as described above, the spring connecting piece 5e is arranged on the right side of the metal cover 5 so that the pair of push button return leaf spring pieces 5f are arranged on the right outer side of the metal cover 5. A pair of push-button return leaf spring pieces 5f are extended from the central portion of the edge in a straight line, fixed to the open upper surface of the body 4, and then bent downward along the right edge of the metal cover 5. The metal cover 5 is disposed on the lower side of the right end of the metal cover 5 (the back side of the push button 8) through the notch 4c of the body 4.

  In addition, the metal cover 5 has an inclined portion 5g provided by cutting and raising the central portion of the flat metal cover 5 downward in order to convert the pressing of the push button 8 from the horizontal direction into a lower right-angle direction, and a horizontal pressing type. In order to obtain the click feeling of the first stage of the two-stage operation switch 1, the convex part 5h provided by bending the base part (upper part) of the inclined part 5g into a cross-sectional mountain shape and the metal cover 5 are connected to a printed circuit board (not shown). For this purpose, a common terminal 5j, which is an external connection terminal of the lateral push type two-stage operation switch 1 provided so that the lower portion of the first locking piece 5b protrudes further downward, is integrally formed. The common terminal 5j has a front end surface exposed substantially flush with the outer bottom surface of the body 4, and is surface-mounted by soldering on a printed circuit board (not shown).

  The dome-shaped metal spring 6 is formed by punching a highly conductive metal thin plate into a dome shape, and is disposed in the movable contact housing recess 4 a of the body 4, and has an outer portion on the bottom side of the dome-shaped metal spring 6. Further, different first fixed contacts 2a and second fixed contacts 3a are provided at two locations in the center. The outer circumference of the dome-shaped metal spring 6 is always in contact with the first fixed contact 2a, and the center is spaced apart from the second fixed contact 3a.

  The pressure-sensitive adhesive tape 7 is formed by forming a pressure-sensitive adhesive layer on the back surface of a flexible tape base material made of an insulating material such as polyimide or polyamide, and the periphery of the pressure-sensitive adhesive tape 7 is outside the movable contact housing recess 4 a of the body 4. The dome-shaped metal spring 6 is pressed from above and is held and held in the movable contact storage recess 4a of the body 4, and the movable contact storage recess 4a is sealed to provide dust resistance. And contact reliability between the first fixed contact 2a and the second fixed contact 3a. In addition, a through-hole 7 a penetrating front and back is provided in the central portion of the adhesive tape 7, and the central metal surface of the dome-shaped metal spring 6 is exposed to the surface side of the adhesive tape 7.

  The push button 8 includes a body portion 8a made of a deformed plate having a substantially convex shape in plan view, an operation portion 8b formed integrally with an end portion on the narrow side of the body portion 8a, and an end portion on the narrow side of the body portion 8a. A pair of protrusions 8c for locking the push button return leaf spring formed integrally with each other, and a through-hole 8d through the front and back that has a substantially convex shape in plan view, which is formed in the body 8a so as to make the body 8a annular, A flexible cantilever 8e extending from the narrow side end of the barrel 8a into the through hole 8d with a thickness slightly thinner than the barrel 8a, and a free end of the cantilever 8e And a movable contact pushing-down portion 8f having a substantially gourd-shaped cross-section with an integrally formed intermediate portion.

  The contact 9 is formed by bending a highly conductive thin metal plate into a C shape, and is fitted to and integrally attached to the end surface of the movable contact pressing portion 8f of the push button 8.

  The push button 8 to which the contact 9 is attached as described above allows the narrow portion of the body portion 8a to be inserted into the notch 4b of the body 4, and the operation portion 8b protrudes to the left lateral outside of the body 4 (switch case). The wide portion of the body portion 8 a is sandwiched between the left side wall of the body 4 and the pair of push button return leaf spring pieces 5 f of the metal cover 5, and the wide portion of the body portion 8 a is attached to the adhesive tape 7 in the body 4. Placed on both sides of the wide portion of the body portion 8a so as to be slidably in contact with the inner surfaces of the front and rear side walls of the body 4, and the inclined portion 5g of the metal cover 6 is penetrated deeper than the cantilever portion 8e. In the state of protruding into the hole 8d, the upper surface of the wide portion of the body portion 8a is slidably pressed by the metal cover 6 and attached to the body 4 (switch case) so as to be slidable in the lateral direction (horizontal direction). It has been. In this attached state, the tips of the pair of push button return leaf spring pieces 5f of the metal cover 5 are constantly pressed against the middle portion of the wide end surface of the body 8a between the pair of protrusions 8c of the push button 8. The push button 8 is always urged in the return direction (left direction in FIGS. 5 and 6). Further, the narrow portion of the push button 8 and the step surface of the narrow portion are opposed to the inner surface of the left wall outside the push button protruding notch 4 b of the body 4 and on the outside of the protrusion 8 c of the push button 8. Both end portions on the wide side of the body portion 8a that is retracted one step are opposed to the inner surface of the right side wall of the body 4 on the outer side of the push button return leaf spring notch 4c.

  As shown in FIG. 7, the side push type two-stage operation switch 1 constructed as described above is assembled by setting the body 4 and placing the dome-shaped metal spring in the movable contact housing recess 4 a on the inner bottom surface of the body 4. 6, and the installed dome-shaped metal spring 6 is pressed and held from above by the adhesive tape 7 to be housed and held in the movable contact housing recess 4 a of the body 4, and the narrow portion of the body 8 a of the push button 8 is While fitting into the notch 4b, the wide portion of the body portion 8a is overlapped on the adhesive tape 7 in the body 4 from between the left side wall of the body 4 and the pair of push button return leaf spring pieces 5f of the metal cover 5. After installing and fitting the semi-deployed metal cover 5 in which the spring connecting piece 5e extends straight from the center of the right edge to the body 4 from above, and covering the open upper surface of the body 4 and closing it The spring connecting piece 5e of the metal cover 5 is downward Ri bending, completing the pair of push-button return plate spring piece 5f installed on the rear side of the push button 8 through the notches 4c of the body 4.

  FIG. 8 is a cross-sectional view showing the operating state of the first stage of the horizontal push type two-stage operation switch according to the embodiment of the present invention, and FIG. 9 shows 2 of the horizontal push type two stage operation switch according to the embodiment of the present invention. It is sectional drawing which shows the operation state of a step. Next, the operation of the lateral push type two-stage operation switch 1 according to the embodiment of the present invention will be described based on FIG. 6, FIG. 8, and FIG.

  As shown in FIG. 6, in the initial state where the push button 8 is not operated, the push button 8 is stepped between the narrow portion and the narrow portion of the push button 8 by the spring force of the push button return leaf spring piece 5f. Is held at an initial position where it strikes the inner surface of the left side wall outside the push button protruding notch 4b of the body 4, and at this initial position, the contact 9 at the free end of the cantilever 8e of the push button 8 The dome-shaped metal spring 6 exposed to the surface side of the adhesive tape 7 through the through hole 7a while contacting the surface of the convex portion 5h at the base (upper part) of the inclined portion 5g of the metal cover 5 Opposite and face the center surface.

  When the operation portion 8b of the push button 8 is pressed from the lateral direction to the right direction from the initial state shown in FIG. 6, the push button 8 is pushed from the initial position by the spring force of the push button return leaf spring piece 5f as shown in FIG. It is pushed in while sliding to the right against. In accordance with the pushing operation of the push button 8, the contact 9 at the free end of the cantilever portion 8e of the push button 8 is bent over the surface of the inclined portion 5g of the metal cover 5 while bending the cantilever portion 8e. It slips over the convex part 5h at the base part and slides toward the tip part (lower part) (the pressing of the push button 9 from the lateral direction is converted into a lower right angle direction), and the through hole 7a is formed on the surface side of the adhesive tape 7. It contacts the surface of the central part of the dome-shaped metal spring 6 exposed through the.

  As a result, the metal cover 5 and the dome-shaped metal spring 6 are electrically connected via the contact 9, so that the common terminal 5 j that is electrically connected to the metal cover 5, the dome-shaped metal spring 6, the first fixed contact 2 a, and the first The first external connection terminal 2b that is conductive is made conductive through the fixed contact terminal 2, and the first-stage switch of the lateral push type two-stage operation switch 1 is turned on to obtain the first-stage electrical signal.

  In addition, the lateral push die 2 is obtained by getting over the convex portion 5h at the base of the inclined portion 5g of the metal cover 5 immediately before the contact 9 contacts the dome-shaped metal spring 6 (the first-stage switch is turned on). The click feeling of the first stage of the stage operation switch 1 can be obtained.

  When the operation portion 8b of the push button 8 is continuously pressed from the lateral direction to the right direction from the time when the first-stage switch is turned on, as shown in FIG. 9, the push button 8 has the push button return leaf spring piece 5f. It is pushed further while sliding to the right against the spring force. In accordance with the further pushing operation of the push button 8, the contact 9 at the free end of the cantilever portion 8e of the push button 8 is bent on the surface of the inclined portion 5g of the metal cover 5 while bending the cantilever portion 8e. Is further slid toward the tip (lower part), and the surface of the central part of the dome-shaped metal spring 6 in contact is pushed down.

  As a result, the dome-shaped metal spring 6 is inverted downward and comes into contact with the second fixed contact 3a, and the dome-shaped metal spring 6 and the second fixed contact 3a are conductively connected. Conductive common terminal 5j through metal cover 5, and second fixed contact 3a and second external connection terminal 3b in conduction through second fixed contact terminal 3 conduct, and side-push type two-stage operation The switch of the second stage of the switch 1 is turned on following the switch of the first stage, and the electric signal of the second stage is obtained.

  Further, the click feeling of the second stage of the second stage operation switch 1 can be obtained by the reversing operation of the dome-shaped metal spring 6 when the second stage switch is turned on.

  Then, immediately after the switch of the second step is turned on, the push button 8 has both ends of the end surface on the wide side of the body portion 8a that is retracted one step outside the protrusion 8c of the push button 8 being pushed by the body 4. It hits the inner surface of the right side wall outside the notch 4c for button return leaf spring entry, and excessive push-in operation (overstroke) is restricted, and the operation portion 8b of the push button 8 is pressed from the lateral direction to the right direction. As long as the dome-shaped metal spring 6 and the second fixed contact 3a are in contact with each other, both the first-stage switch and the second-stage switch of the two-stage operation switch 1 are kept on.

  When the first-stage switch and the second-stage switch of the lateral push type two-stage operation switch 1 are both turned on, the push button is removed when the operation portion 8b of the push button 8 from the lateral direction is removed. The push button 8 is pushed back to the initial position by the spring force of the push button return leaf spring piece 5f accumulated by the pushing operation of 8, and the dome-shaped metal spring 6 returns to the original dome shape due to its spring property. Returns to the indicated initial state. When the contact between the dome-shaped metal spring 6 and the second fixed contact 3a is cut off at the time of returning to the initial state, the second-stage switch is turned off, and the contact between the contact 9 and the dome-shaped metal spring 6 is cut off. At the point of time, the first stage switch is turned off.

  As is clear from the above, the lateral push type two-stage operation switch 1 according to the embodiment of the present invention integrally forms the cantilever 8e on the push button 8 that is pressed from the lateral direction. The free end of 8e is brought into contact with the surface of the inclined portion 5g formed integrally with the metal cover 5 and is slid according to the pushing operation of the push button 8, and the dome-shaped metal spring 6 is pushed down by the free end of the cantilever portion 8e. In the lateral push type switch configured to be reversed, the first fixed contact 2a and the second fixed contact 3a which are different from each other are provided on the bottom side of the dome-shaped metal spring 6 at the two locations of the outer portion and the central portion. The dome-shaped metal spring 6 is always in contact with the contact 2a, the common terminal 5j is integrally formed with the metal cover 5, and the metal cover 5 and the dome-shaped metal spring 6 are electrically connected to the free end of the cantilever 8e. Contour for The contact 9 is brought into contact with the dome-shaped metal spring 6 by pressing the push button 8 from the lateral direction, and the metal cover 5 and the dome-shaped metal spring 6 are electrically connected via the contact 9. Thus, the first-stage electrical signal is obtained, and then the dome-shaped metal spring 6 is inverted downward and brought into contact with the second fixed contact 3a to obtain the second-stage click feeling and the electrical signal. . Although the switch can be operated in two stages while having a structure in which the single dome-shaped metal spring 6 is pushed down in this way, the height of the switch can be suppressed.

  Further, in the lateral push type two-step operation switch 1 according to the embodiment of the present invention, the first step feel can be obtained by the convex portion 5 h provided on the inclined portion 5 g of the metal cover 5.

  Accordingly, the lateral push type two-stage operation switch 1 according to the embodiment of the present invention has a structure in which one dome-shaped metal spring 6 is pushed down, and the switch is operated in two stages. It is a push-type two-stage operation switch. Further, since only one dome-shaped metal spring 6 is used, the number of parts is reduced, and it is a side-push type two-stage operation switch that is easy to assemble and low in cost.

  As mentioned above, although this Embodiment showed one favorable embodiment of this invention, this invention is not limited to it, Various modifications can be implemented within the range which does not deviate from the summary.

It is a perspective view which shows the external appearance of the horizontal pushing type | mold two step operation switch by one embodiment of this invention. It is another perspective view which shows the external appearance of the horizontal push type | mold 2 step | paragraph operation switch by one embodiment of this invention. It is a top view which shows the external appearance of the horizontal pushing type | mold two step operation switch by one embodiment of this invention. It is a bottom view which shows the external appearance of the horizontal pushing type | mold 2 step | paragraph operation switch by one embodiment of this invention. It is a top view of the cover removal state which shows the internal structure of the horizontal push type switch 2 step | paragraph operation | movement by one embodiment of this invention. It is sectional drawing which shows the internal structure of the horizontal pushing type | mold 2 step | paragraph operation switch by one embodiment of this invention. 1 is an assembly diagram of a lateral push type two-stage operation switch according to an embodiment of the present invention. FIG. Sectional drawing which shows the operation state of the 1st step | paragraph of the horizontal push type | mold 2 step | paragraph operation switch by one embodiment of this invention. It is sectional drawing which shows the operation state of the 2nd step | paragraph of the side push type | mold 2 step | paragraph operation switch by one embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Side push type 2 step | paragraph operation switch 2a 1st fixed contact 3a 2nd fixed contact 4 Body 5 Metal cover 5g Inclined part 5h Convex part 5j Common terminal part 6 Domed metal spring 8 Push button 8e Cantilever part 9 Contact

Claims (2)

  The cantilever part is formed integrally with the push button that is pressed from the side, and the free end of the cantilever part is brought into contact with the surface of the inclined part that is formed integrally with the metal cover, and is slid in accordance with the pushing operation of the push button. In the lateral push type switch configured to move and push down the dome-shaped metal spring by the free end of the cantilever portion and to invert it, the dome-shaped metal spring has two different parts on the bottom side, the outer side and the center side. A fixed contact and a second fixed contact are provided, a dome-shaped metal spring is always in contact with the first fixed contact, a common terminal is formed integrally with the metal cover, and a metal cover and a dome-shaped metal are formed at the free end of the cantilever. A side-push type two-stage operation switch comprising a contact for electrically connecting a spring.   The lateral push type two-stage operation switch according to claim 1, wherein a convex part for obtaining a first-stage feel is provided on the inclined part of the metal cover.

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