JP3980820B2 - Press switch with rotating electronic components - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a push switch with a rotating-type electronic parts.
[0006]
[Prior art]
Conventionally, some electronic devices have a structure in which a rotary switch is installed so as to surround the press switch. In that case, a ring-shaped rotary knob is installed so as to surround the press switch, It is necessary to attach a slider to the lower surface of the slider and place a substrate on which a switch pattern is provided at a position facing the slider. However, this configuration has a problem that the outer diameter of the entire switch is increased.
[0007]
[Problems to be solved by the invention]
The present invention has been made in view of the above points and its object is rotating type electronic component with that downsizing of the outer diameter when the rotary knob of the rotary electronic component installed on the outer periphery of the push switch It is to provide a push switch.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the invention described in claim 1 of the present application includes a press switch having a structure in which a switch contact disposed on a lower side thereof is turned on by pressing a key top, and a rotary type on the lower side of the press switch. A rotary electronic component having a structure in which a functional part of the electronic component is installed and a rotary knob for rotating the functional unit is provided at a position surrounding the outer periphery of the press switch, and the press switch is a mounting member A functional part of the rotary electronic component is pivotally supported on a pivotal part that is mounted on the base and protrudes from the lower surface of the mounting member, while the press switch is a switch on the upper side and lower side of the base. A two-stage pressing switch having contacts, wherein the base is slidably guided in the vertical direction between the base and the mounting member, and the lower switch contact is turned on and off by the base. Guide mechanism is provided In a rotary electronic component with push switch, characterized in that there.
[0010]
The invention described in the claims 2, wherein the rotating function of the electronic components, according to claim 1, characterized in that it comprises a rotary product that is rotatably supported on the shaft support before placing member It is in the press switch with a rotary electronic component as described in.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic cross-sectional view of a two-stage press switch with a rotary electronic component according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the two-stage press switch with a rotary electronic component. As shown in both figures, the two-stage press switch with a rotary electronic component includes a mounting base 10, a mounting plate 20, a rotary electronic component substrate 30, and a slider 50 (not shown in FIG. 1). A rotary object 40 to which a click plate spring 60 is attached, a guide member (mounting member) 70, a base 80, first and second switch boards 90 and 100 attached to the upper and lower surfaces of the base 80, and a key. A top 110 and a rotary knob 120 are provided. Each component will be described below.
[0013]
The mounting base 10 is formed by molding a synthetic resin into a plate shape, and a notch-like stopper insertion portion 11 for inserting a stopper 129 of the rotary knob 120 described below is provided on the outer periphery thereof, and the center thereof. Are provided with four through-holes 13 for inserting and fixing a locking portion 79 provided in the guide member 70 described below, and two click engagement holes 15 and 2 at positions near the outer periphery thereof. Two engaging projections 17 are provided.
[0014]
The mounting plate 20 is made of a metal plate, and at the same position as the mounting base 10, a stopper insertion portion 21, four penetrating mounting holes 23, two click engagement holes 25, and two engagement holes 27 (the engagements). Engaging with the protrusion 17 and positioning it).
[0015]
Although the rotary electronic component substrate 30 is illustrated separately from the first and second switch substrates 90 and 100 for the sake of illustration in FIG. 2, it is actually on a single synthetic resin sheet (for example, a polyethylene terephthalate sheet). Is formed. Here, FIG. 3 is a developed plan view of the flexible substrate 150 in which the rotary electronic component substrate 30 and the first and second switch substrates 90 and 100 are integrally formed. As shown in the figure, the rotary electronic component substrate 30 and the first switch substrate 90 are connected by a connecting portion 151, and the first switch substrate 90 and the second switch substrate 100 are also connected by a connecting portion 153.
[0016]
The rotary electronic component substrate 30 is provided with two arc-shaped sliding contact type switch patterns 31 and 31 on its surface, and four through-holes 33 are provided at predetermined positions. The mounting hole 33 has the same shape and size as the mounting hole 13 of the mounting base 10.
[0017]
On the other hand, each of the first and second switch substrates 90 and 100 is configured by connecting two substantially identically shaped substrate portions 91, 93, 101 and 103 by connecting portions 95 and 105. A switch contact pattern s is provided at the center of 93, 101, 103. Then, as shown in FIG. 4, the substrate portion 93 is overlapped on the substrate portion 91 by bending at the connecting portions 95 and 105, and the substrate portion 103 is overlapped on the substrate portion 101, whereby the switch contact pattern s is formed. Switch contacts are formed by facing each other through a predetermined gap (a resist layer is actually provided between the substrate portions 91, 93, 101, and 103 so as to surround the periphery of the switch contact pattern s, or spacers are provided. A small gap is provided between the switch contact patterns s facing each other by interposing a sheet), and click plates k1 and k2 each having an elastic metal plate formed in a dome shape are mounted thereon. A locking portion 107 is provided at the tip of the second switch substrate 100.
[0018]
In this embodiment, the click plate k1, the pressure when the click plate k1 of the first switch substrate 90 is pressed and reversed is weaker than the pressure when the click plate k2 of the second switch substrate 100 is reversed. The diameter and thickness of k2 are changed. The click plates to be used are the same, but one of the click plates to be attached may be overlapped to change the pressure at the time of reversal.
[0019]
Next, the rotary mold 40 shown in FIG. 2 is formed by molding a synthetic resin into a substantially disk shape, and a circular opening 41 is provided at the center, and the tip is outward in four places on the outer periphery. A claw-like locking part 43 is provided. Further, a stopper insertion portion 45 for inserting a stopper 75 of the guide member 70 described below is provided by cutting out a part of the outer periphery.
[0020]
The slider 50 is made of an elastic metal plate, and is configured by bending a sliding contact portion 53 protruding from a base portion 51 having a mounting hole 55 downward. The click plate spring 60 is formed by forming an elastic metal plate in a semicircular arc shape, provided with attachment holes 61 and 61 at both ends thereof, and provided with an elastic contact portion 63 that curves downward and protrudes at the center thereof. It is configured. The slider 50 and the click leaf spring 60 are inserted into the attachment holes 55 and 61 by protrusions (shown as protrusions 47 for inserting the attachment holes 61 in FIG. 1) provided on the lower surface of the rotary mold 40, respectively. Fixed.
[0021]
5A and 5B are views showing the guide member 70. FIG. 5A is a side sectional view (A-A sectional view of FIG. 5B), and FIG. 5B is a rear view. As shown in FIG. 1 and FIG. 1 and FIG. 2, the guide member 70 is formed by molding a synthetic resin into a substantially disk shape. Four guide pieces 73 projecting upward are provided. Further, one stopper 75 protruding downward is provided on the outer peripheral portion. Further, a cylindrical shaft support portion 77 projects from the center of the lower surface of the guide member 70, and four projecting locking portions 79 project from the lower side thereof. The guide member 70 is also a mounting member on which the two-stage pressing switch is mounted.
[0022]
As shown in FIG. 2, the base 80 is formed by molding a synthetic resin into a plate shape, and an engaging portion 81 that engages and fixes the engaging portion 107 of the second switch substrate 100 on one side thereof. And a guide projection 109 is provided on the opposite side. On both sides of the engaging portion 81 and the guide protrusion 109, there are provided locking pieces 83 protruding upward and having claws on the inside. At the four corners of the base 80, concave guide portions 85 guided by the four guide pieces 73 of the guide member 70 are provided.
[0023]
The key top 110 is formed by molding a synthetic resin into a substantially circular shape, and a collar portion 111 protrudes from the outer periphery thereof, and a protruding pressing portion 113 (see FIG. 1) protrudes from the center of the lower surface thereof.
[0024]
The rotary knob 120 is formed by molding a synthetic resin in a substantially ring shape, and a circular through hole 121 through which the key top 110 is inserted is provided at the center, and the operation portion 123 protrudes from the outer periphery. A cylindrical side wall 125 protrudes from the lower surface side of the rotary knob 120, and an engaging portion 127 including four holes for engaging the engaging portion 43 of the rotary mold 40 is provided on the side wall 125. Further, a protruding stopper 129 is provided from the lower side of the side wall 125 to be inserted into the stopper insertion portion 11 of the mounting base 10 and the stopper insertion portion 21 of the mounting plate 20.
[0025]
Next, in order to assemble this two-stage press switch with a rotary electronic component, a rotary type in which a mounting plate 20, a rotary electronic component substrate 30, a slider 50 and a click plate spring 60 are fixed on a mounting base 10. The object 40 is placed thereon, and the guide member 70 is placed thereon. At this time, the shaft support portion 77 of the guide member 70 is inserted into the opening 41 of the rotary mold 40 and the rotary mold 40 is pivotally supported. Further, four locking portions 79 are inserted into the mounting holes 33 of the rotary electronic component substrate 30, the mounting holes 23 of the mounting plate 20, and the mounting holes 13 of the mounting base 10, and the locking protrusions protruding from the lower surface of the mounting base 10. The tip of the part 79 is fixed by heat caulking.
[0026]
Next, the first switch substrate 90 is placed on the upper surface of the base 80, and the second switch substrate 100 is placed on the lower surface of the base 80 by curving the connecting portion 153. At this time, the locking portion 107 of the second switch substrate 100 is inserted and locked to the engaging portion 81. Further, the connecting portions 151 and 153 on both sides of the first switch substrate 90 are fixed to the extent that they are not detached from the base 80 by the locking pieces 83. FIG. 6 shows the state of the entire flexible substrate 150 at this time (other members such as the base 80 are not shown).
[0027]
Then, the base 80 to which the first and second switch boards 90 and 100 are attached is placed on the upper surface of the guide member 70. At this time, the guide portions 85 at the four corners of the base 80 are guided by the four guide pieces 73 of the guide member 70 so as to be slidable in the vertical direction.
[0028]
Then, the key top 110 is disposed on the first switch board 90, and the rotary knob 120 is placed thereon, so that the key top 110 is exposed to the surface side from the through hole 121, and the four locking portions of the rotary object 40 are provided. The engaging portion 127 is engaged and fixed to 43. At this time, the stopper 129 is positioned in the stopper insertion portions 11 and 21.
[0029]
Next, the operation of the two-stage press switch with a rotary electronic component will be described mainly with reference to FIG. First, when the key top 110 is pressed, the click plate k1 is reversed by the pressing portion 113 to generate a click feeling, and at the same time, the switch contact of the first switch board 90 is turned on. When the key top 110 is further pressed, the base 80 slides down in parallel, and the click plate k2 is reversed by the pressing portion 71 to generate a click feeling, and at the same time, the switch contact of the second switch board 100 is turned on. When the key top 110 is released, the lower click plate k2 automatically returns to its original state and its switch contact is turned off, and then the upper click plate k1 automatically returns to its original state and its switch contact. Turns off. Needless to say, if the pressing force when the click plates k1 and k2 are reversed is reversed, the click plate k2 is turned on first.
[0030]
On the other hand, when the rotary knob 120 is rotated, the rotary mold 40 rotates integrally therewith, and the slider 50 (see FIG. 2) slides on the switch patterns 31 and 31 of the rotary electronic component substrate 30. , Switch its on / off state. At the same time, the elastic contact portion 63 of the click plate spring 60 engages and disengages from the click engagement hole 25 of the mounting plate 20 to generate a click feeling. The rotation of the rotary knob 120 is limited to the range in which the stopper 129 moves in the stopper insertion portions 11 and 21 (or the range in which the stopper 75 moves in the stopper insertion portion 45).
[0031]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Is possible. Note that any shape, structure, or material not directly described in the specification and drawings is within the scope of the technical idea of the present invention as long as the effects and advantages of the present invention are exhibited. For example, in the above embodiment, the mounting plate 20 is placed on the mounting base 10, but only one of them may be used.
[0032]
Moreover, although the two-stage press switch with the rotary electronic component is shown in the above embodiment, the rotary electronic component portion may be omitted and only the two-stage press switch may be configured. Further, the two-stage press switch may be constituted by a press switch with a rotary electronic component in which only one stage press switch is provided.
[0033]
In the above embodiment, the functional unit of the rotary electronic component is configured by attaching the slider 50 to the lower surface of the rotary mold 40 and installing the rotary electronic component substrate 30 on the lower side thereof. There are various changes in the structure of the functional part of the rotary electronic component, such as fixing the substrate provided with the switch pattern on the lower surface of 40 and configuring the functional part by fixing the slider on the mounting plate 20 side. Is possible.
[0034]
Needless to say, the structure for supporting the base 80 so as to be slidable in a direction perpendicular to the surface thereof can be variously modified in addition to the method of the above-described embodiment (the method of engaging the guide portion 85 with the guide piece 73). . In short, any mechanism may be used as long as it is a guide mechanism that slidably supports the base 80.
[0035]
Moreover, although the example of the rotary switch was shown as a rotary electronic component in the said embodiment, it can also be set as other rotary electronic components, such as a rotary variable resistor, by changing a pattern into a resistance pattern.
[0038]
【The invention's effect】
According to the present invention described above in detail, since the installed function of the rotary electronic component on the lower side of the pressing switch, a rotary knob with integrated and a push switch rotary electronic component push switch Even if it is provided at a position surrounding the outer periphery, the outer diameter can be reduced.
[Brief description of the drawings]
FIG. 1 is a schematic cross-sectional view of a two-stage press switch with a rotary electronic component according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of a two-stage press switch with a rotary electronic component.
FIG. 3 is a developed plan view of a flexible substrate 150. FIG.
4 is a plan view of a flexible substrate 150. FIG.
5A and 5B are diagrams showing a guide member 70, in which FIG. 5A is a side sectional view, and FIG. 5B is a rear view.
FIG. 6 is a perspective view showing an entire state of the flexible substrate 150 when incorporated in a two-stage press switch with a rotary electronic component.
[Explanation of symbols]
10 Mounting base 20 Mounting plate 30 Substrate for rotating electronic components (functional part)
31 Switch pattern 40 Rotating type (functional part)
50 Slider (functional part)
60 Click leaf spring (function part)
70 Guide member (mounting member)
71 Pressing part 73 Guide piece (guide mechanism)
77 Shaft support 80 Base 85 Guide part (guide mechanism)
90 first switch substrate 100 second switch substrate 110 key top 113 pressing portion 120 rotary knob 150 flexible substrate

Claims (2)

A press switch with a structure that turns on the switch contact located on the lower side by pressing the key top; and
A rotary electronic component having a structure in which a functional portion of a rotary electronic component is installed below the press switch, and a rotary knob for rotating the functional portion is provided at a position surrounding the outer periphery of the press switch. And
The pressing switch is mounted on a mounting member, and a functional part of the rotary electronic component is rotatably supported on a shaft supporting part protruding from the lower surface of the mounting member.
On the other hand, the push switch is a two-stage push switch in which switch contacts are arranged on the upper side and the lower side of the base, and the base can be slid in the vertical direction between the base and the mounting member. A pressure switch with a rotating electronic component, characterized in that a guide mechanism is provided for guiding and turning on and off a lower switch contact by the base . 2. The pressure switch with a rotary electronic component according to claim 1 , wherein the functional portion of the rotary electronic component includes a rotary type that is rotatably supported by the shaft support portion of the mounting member. .

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