JP2005302348A - Multidirectional operation switch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a multidirectional operation switch for preventing the occurrence of erroneous operation, by forming an operation section for multidirectional switches so that they can be operated independently. <P>SOLUTION: The multidirectional operation switch comprises a knob 12 for rocking operation that is engaged to a housing 1 so that it can be rocked and presses a movable contact 4 corresponding to the rocking direction by rocking; and a knob 13 for pressing operation that is arranged at the center of the knob 12 for rocking operation so that it can be elevated and presses the movable contact 4 corresponding to the lower direction by pressing down. The housing 1 comprises a first engagement section 1d in which the knob 12 for rocking operation is engaged, and a second engagement section 1e in which the knob 13 for pressing operation is engaged, which are mounted to the housing 1 so that the knob 12 for rocking operation and the knob 13 for pressing operation can be operated independently in the separated state each by the first and second engagement sections 1d, 1e. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a multidirectional operation switch used for an input operation unit for menu selection, data search, mode setting, etc. of a small portable electronic device.

  The structure of a conventional multi-operation switch equipped with a multi-directional operation switch is that a fixed contact for a multi-directional switch and a rotary encoder is formed on a single flexible printed circuit board and placed on the base. In addition, a dome-shaped movable contact, pusher, housing, frame, and key top constituting a multi-directional switch and a contact, operation ring, and plate constituting a rotary encoder are arranged and integrated. (For example, refer to Patent Document 1).

Hereinafter, a structure of a composite operation switch including a conventional multi-directional operation switch will be described with reference to the drawings.
FIG. 8 is an exploded perspective view of a composite operation switch having a conventional multi-directional operation switch, and FIG. 9 is a cross-sectional view of a main part of the composite operation switch having a conventional multi-directional operation switch.

  In the figure, 21 indicates a top face which is a design portion of the multidirectional switch, and 22 indicates a top face which is a design portion of the rotary encoder. In this example, the multidirectional switch is a four-way switch with a central switch.

  31 is a plate that gives a click feeling when the rotary encoder rotates, 32 is a rotary encoder operating ring, 33 is a rotary encoder contact, 34 is a 4-way switch key top, 35 is a component fixing housing, 36 is a housing 35 A fixed frame, 37 is a pusher of a central switch of a four-way switch, 38 is an adhesive sheet for fixing a movable contact, 39 is a dome-shaped central movable contact, 40 is a dome-shaped peripheral movable contact, 41 is a flexible printed wiring board, 42 is a base.

  The base 42 has a disc shape, two holes 421 are formed on the plate surface, and a slit-like hole 422 is formed on the periphery. The flexible printed wiring board 41 includes a circular part 411 mounted on the base 42 and a cable part 412 led out from the circular part 411. A central fixed contact 413 is formed at the center of the circular part 411. Four peripheral fixed contacts 414 are formed at 90 ° intervals on the circumference surrounding the central fixed contact 413.

  Each of the central fixed contact 413 and the four peripheral fixed contacts 414 includes a central circular electrode and an annular electrode formed concentrically. Note that the detailed illustration of the lead lines led out from the central fixed contact 413 and the peripheral fixed contact 414 is omitted. In the circular portion 411, encoder contacts 415 to 417 are arranged on the circumference surrounding the four peripheral fixed contacts 414.

  The dome-shaped central movable contact 39 and the four dome-shaped peripheral movable contacts 40 each constitute a reverse contact that is click-reversed. The central fixed contact 413 and the dome-shaped central movable contact 39 form a central switch, and the peripheral fixed contact 414 and the dome-shaped peripheral movable contact 40 constitute four peripheral switches. The adhesive sheet 38 has an adhesive surface on the lower surface, and a central fixed contact 413 and four peripheral fixed contacts 414 formed on a flexible printed wiring board 41 with a dome-shaped central movable contact 39 and four dome-shaped peripheral movable contacts 40. It is positioned and fixed so as to cover the annular electrode.

  The pusher 37 that presses the dome-shaped central movable contact 39 is formed of a metal plate, has an arm portion extended from the plate-like base portion 371 so as to form a cross, the tip of the arm portion is bent, and the attachment portion 373 is formed. Is formed. A central pressing protrusion 374 that protrudes downward is formed at the center by pressing. The housing 35 includes an annular portion 351 and four support protrusions 352 that are formed to protrude from the annular portion 351.

  The frame 36 is formed of a metal plate, and includes a central plate portion 361 and four leg portions that are formed so as to protrude from each corner around the central plate portion 361. A spherical fulcrum part 363 is formed to project from the center part of the central plate part 361 by pressing downward. The four legs of the frame 36 are fixed to the support protrusion 352 of the housing 35. The key top 34 is disc-shaped, and four protrusions are formed on the lower surface side. A through slit 343 that penetrates the key top 34 in the thickness direction is formed at the tip of each protrusion, and each protrusion Corresponding to this position, a peripheral pressing protrusion 344 is formed on the lower surface on the outer peripheral side.

  The contact 33 has three legs 331 to 333 for contact. Reference numeral 334 denotes a hole used for attachment to the operation ring 32. The operation ring 32 is formed in an annular shape surrounding the key top 34, and an uneven surface 321 is formed on the inner peripheral surface of the operation ring 32 by sequentially arranging unevenness on the circumference. The plate 31 is made of a metal plate, has an annular shape surrounding the key top 34, and has two convex portions 311 formed on the outer periphery thereof.

  The central pressing protrusion 374 of the pusher 37 integrated with the key top 34 is positioned on the dome-shaped central movable contact 39 and contacts the adhesive sheet 38, and the concave engaging portion on the back side of the central pressing protrusion 374 375 and the fulcrum part 363 of the frame 36 come into contact with each other, and the engaging part 375 is engaged with the fulcrum part 363 so as to be rotatable.

  On the other hand, each peripheral pressing protrusion 344 formed on the key top 34 is positioned on the corresponding dome-shaped peripheral movable contact 40, and although not shown in the drawing, the contact 33 attached to the lower surface of the operation ring 32 is The feet 331 to 333 are positioned on the circumference where the corresponding encoder contacts 415 to 417 are located, and are in sliding contact with the encoder contacts 415 to 417.

  When one end of the key top 34 (top face 21) is pushed down, the key top 34 rotates around the fulcrum 363 of the frame 36, the dome-shaped peripheral movable contact 40 is pressed and reversed by the peripheral pressing protrusion 344, and the peripheral switch is turned on. It becomes. On the other hand, when the center is pressed, the pusher 37 is separated from the frame 36 and the center pressing projection 374 presses and reverses the dome-shaped center movable contact 39. Further, the rotary encoder rotates the operation ring 32 (top face 22), so that the contact 33 and the encoder contacts 415 to 417 are in sliding contact with each other to obtain an output.

JP 2003-36767 A

  However, in the structure of the composite operation switch including the conventional multidirectional operation switch described above, the peripheral pressing portion that presses and reverses the dome-shaped peripheral movable contact of the multidirectional operation switch and the central pressing portion that presses and reverses the central movable contact Are integrally formed in one operation part (key top), so if you tilt and press, the peripheral movable contact is turned on when the center is pushed, or the central movable contact is turned on when the peripheral is pushed. There was a problem that would occur.

  Accordingly, an object of the present invention is to solve the above-described problems and to provide a multidirectional operation switch that can prevent an erroneous operation by forming an operation unit for a multidirectional switch so that they can be operated independently of each other. To do.

  In order to solve the above-described problems, the present invention provides a first solution, a housing, a plurality of fixed contacts disposed on the inner bottom surface of the housing, and disposed and pressed against the fixed contacts. And a plurality of movable contacts that come in contact with and away from the fixed contact, and a swinging operation that is swingably engaged with the housing and presses the movable contact corresponding to the swinging direction when swung. A knob, and a pressing operation knob that presses the movable contact corresponding to the lower side by being pushed down, and is disposed in the center of the swing operation knob. A first engagement portion to which the knob is engaged and a second engagement portion to which the pressing operation knob is engaged are provided, and the swing operation knob and the pressing operation knob are the first. And by the second engaging portion Each was independent mounted to the housing so as to be operated configured in a spaced apart state.

As a second solution, the first and second engaging portions are formed by a plurality of elastic protruding pieces protruding from the inner bottom surface of the housing, and the protruding pieces include the swinging member. The operation knob and the hook portion for locking and holding the pressing operation knob are formed.
As a third solution, the movable contact is made of a metal spring piece having a dome-shaped bulge, and the swinging operation knob and the pressing operation knob are moved upward by the elasticity of the metal spring piece. In addition to being urged, the hook is held at an appropriate position.
As a fourth solution, a concave guide groove portion is formed in the vertical direction on the peripheral surface of the swing operation knob, and the hook portion of the first engagement portion is engaged with the guide groove portion. A combined configuration was adopted.

  As described above, the multi-directional operation switch of the present invention is fixed by being pressed against the housing, a plurality of fixed contacts disposed on the inner bottom surface of the housing, and opposed to these fixed contacts. A plurality of movable contacts that come into contact with and away from the contacts, a swing operation knob that is swingably engaged with the housing, and that presses the movable contact corresponding to the direction of swing when swung, and for swing operation And a pressing operation knob that presses the movable contact corresponding to the lower side when pressed down, and the housing has a first engagement with which the swing operation knob is engaged. And a second engaging portion to which the pressing operation knob is engaged, and the swinging operation knob and the pressing operation knob are independent from each other by the first and second engaging portions. To the housing so that it can be operated. Since with the swing operation knob and the pressing operation knob for multidirectional, since it is possible to operate independently, it is possible to prevent erroneous operation when operating without each other interfere.

The first and second engaging portions are formed of a plurality of elastic protruding pieces protruding from the inner bottom surface of the housing, and these protruding pieces are associated with a swing operation knob and a pressing operation knob. Since the hook portion for stopping and holding is formed, each operation knob can be easily attached to the housing, and can be securely held at a predetermined position.
The movable contact is made of a metal spring piece having a dome-shaped bulge, and the swinging operation knob and the pressing operation knob are biased upward by the elasticity of the metal spring piece, and the hook part appropriately Since it is held in the position, it is not necessary to separately provide a biasing member for biasing each operation knob, the configuration becomes simple, and the assembly becomes easy.
In addition, a concave guide groove portion is formed on the peripheral surface of the swing operation knob in the vertical direction, and the hook portion of the first engagement portion is engaged with the guide groove portion. The rotation of the knob in the circumferential direction can be prevented, and the swing operation in a predetermined direction set in advance can be reliably performed.

  Hereinafter, embodiments of the multidirectional operation switch of the present invention are shown in FIGS. FIG. 1 is an exploded perspective view of a composite operation switch having a multi-directional operation switch according to the present invention, FIG. 2 is a cross-sectional view of a main part of the composite operation switch having a multi-directional operation switch according to the present invention, and FIG. FIG. 4 is a cross-sectional view of the main part of the composite operation switch provided with the direction operation switch as seen from different directions, and FIG. 4 excludes the swing operation knob and the press operation knob of the composite operation switch provided with the multi-direction operation switch of the present invention. FIG. 5 is a cross-sectional view of the main part of FIG. 4, FIG. 6 is a main part plan view showing the arrangement state of the contact part of the multi-directional switch and the contact part of the rotary switch, and FIG. It is the principal part top view which showed through and showed the contact pattern and drawer | drawing-out pattern of a multidirectional switch.

  In the figure, the lower case 1 is formed in a substantially circular shape with an insulating material such as a synthetic resin, and a continuous wall portion 1a is provided at the periphery of the lower case 1 so that the inside is a wide storage portion 1b. A substantially annular cylindrical portion 1c protruding upward is provided at the center of the storage portion 1b, and a first engaging portion comprising a plurality of elastic protruding pieces on a concentric circle on the outer periphery of the cylindrical portion 1c. 1d and the 2nd engaging part 1e are provided. Four first engaging portions 1d are formed at equal intervals in the position in the cross direction, and a pair of second engaging portions 1e are formed facing the inside.

  Further, hook portions 1f and 1g projecting in directions facing each other are provided on the distal ends of the first and second engaging portions 1d and 1e. A swinging operation knob 12 and a pressing operation knob 13 which will be described later are engaged with the first and second engaging portions 1d and 1e, and are positioned and attached at predetermined positions by hook portions 1f and 1g. It has become. At this time, the pressing operation knob 13 is slidably guided to the cylindrical portion 1c so as to be movable up and down.

  Further, an annular protrusion 1h lower than the cylindrical portion 1c is provided on the outer periphery of the first engagement portion 1d. An inner peripheral edge portion on the lower surface side of a hollow portion 9c of the rotating member 9 described later is engaged with the protruding portion 1h, and the rotating member 9 is rotatably accommodated in the accommodating portion 1b. A first fixed contact portion 2 made of a conductive metal plate is exposed from the inner bottom surface of the storage portion 1b on the inner side surrounded by the protruding portion 1h. The first fixed contact portion 2 includes a plurality of center push contact portions 2a formed in the cylindrical portion 1c and the first and second engaging portions 1d and 1e outside the center push contact portion 2a. And four direction detecting contact portions 2b in this embodiment.

  As shown in FIG. 7, the first fixed contact portion 2 has a contact pattern portion composed of the center push contact portion 2a and a direction detection contact portion 2b, and one end side connected to the contact pattern portion. And a drawer pattern portion 2c that is embedded in the inner bottom portion of the case 1 by a method such as insert molding and extends in the peripheral direction of the storage portion 1b. The other end side is electrically connected to the first connection terminal 3 led out from the outer surface of the lower case 1 to the outside. Further, the common contacts of the center push contact portion 2a and the direction detection contact portion 2b are connected in the case 1 by the common drawing pattern 2c, and the common contacts of the respective contact portions are electrically connected. ing.

  Thus, the first fixed contact portion 2 includes the center push contact portion 2a provided at the center and the plurality of direction detection contact portions 2b provided around the center push contact portion 2a. Since the common contacts of the respective contact portions are connected by the common lead pattern 2c, the number of the lead patterns 2c can be reduced, so that the formation area of the fixed contact portion 2 can be reduced and the switch can be downsized. It is intended.

  A spring accommodating portion 1i protruding outward is provided on one end side of the accommodating portion 1b, and a click spring 15 made of a metal plate spring is engaged with the spring accommodating portion 1i. This click spring 15 and a click cam 9d provided on the outer peripheral surface of a rotating plate 9a of the rotating member 9 described later slide to obtain a click feeling during rotation. A plurality of locking projections 1j are provided on the outer surface of the lower case 1, and are locked with locking pieces 11b of the cover 11 described later.

  The movable contact 4 is made of a conductive thin metal plate and has a dome-shaped bulge that can be reversed. The movable contact 4 is disposed to face the upper surface of the first fixed contact portion 2 disposed on the inner bottom surface of the storage portion 1b, and its outer peripheral edge portion is connected to the contact pattern portion. The common contact and the top lower surface of the dome-shaped bulge are placed facing each other. An adhesive sheet 5 made of a film-like resin sheet is stuck on the upper surface side of the movable contact 4, and each movable contact 4 is held on the first fixed contact 2.

  The upper case 6 is made of an insulating material such as a synthetic resin and is formed in a substantially annular shape having a large-diameter opening 6a at the center. On the periphery of the lower surface side (ceiling surface) of the upper case 6, a second fixed contact portion 7 made of a conductive metal plate, which is also integrally embedded by a method such as insert molding, is formed. It is exposed on the lower surface side of the case 6. As shown in FIG. 6, the second fixed contact portion 7 is disposed along an annular common pattern 7a disposed on the peripheral edge of the opening 6a and along the outer periphery of the common pattern 7a. And a plurality of arc-shaped individual patterns 7b.

  The common pattern 7a and the individual pattern 7b are extended with a drawing pattern portion 7c. The other end side of the drawing pattern portion 7c is led out from the outer surface of the upper case 6 to the outside. The connection terminal 8 is electrically connected. When the upper case 6 is engaged with the lower case 1, the second connection terminal 8 is formed by the upper case 6 and the lower case 1 from the lead-out position of the first connection terminal 3. The outer side surface of the lower case 1 is led out from a different position in the circumferential direction, and the tip end side thereof is bent along the outer side surface of the lower case 1 to the lower surface side to form a soldering portion.

  Thus, the first and second connection terminals 3 and 8 are formed by being derived from different positions in the circumferential direction of the outer surface formed by the upper case 6 and the lower case 1. Since the first and second connection terminals 3 and 8 for external derivation can be formed in one step in the circumferential direction without overlapping two steps, the thickness in the vertical direction can be reduced. In addition, in the case of overlapping in two stages, it is necessary to form the connecting portions in a radial direction so that the soldering portions of the respective connection terminals do not overlap. Miniaturization can also be achieved.

  The upper case 6 and the lower case 1 constitute a switch housing. When the upper case 6 and the lower case 1 are integrally engaged, the second fixed contact portion 7 and the second case One fixed contact portion 2 is disposed so as to face the upper case 6 and the lower case 1 in the vertical direction. At this time, the drawing pattern portion 2c of the first fixed contact portion 2 and the common pattern 7a and the individual pattern 7b of the second fixed contact portion 7 are vertically moved with a rotating member 9 described later interposed therebetween. It is arranged to face each other so as to overlap.

  Thus, the housing is formed from the upper case 6 and the lower case 1 that are engaged with each other in the vertical direction, and the first fixed contact portion 2 and the second fixed contact portion 7 are By arranging the upper case 6 and the lower case 1 so as to face each other in the vertical direction, the first fixed contact portion 2 constituting the multi-directional switch portion and the second fixed contact portion 7 constituting the rotary switch portion. Can be formed opposite to each other on the same plane of the same case, the size of the case in the radial direction can be reduced and the size can be reduced.

  Further, the drawing pattern portion 2c of the first fixed contact portion 2 and the common pattern 7a and the individual pattern 7b of the second fixed contact portion 7 face each other so as to overlap in the vertical direction with the rotating member 9 interposed therebetween. By arranging the lead pattern portion 2c drawn from the contact pattern portions 2a and 2b of the first fixed contact portion 2 without contacting the second fixed contact portion 7, Since the extraction pattern 2c can be easily formed without using a multilayer substrate having a through-hole or the like that can be formed on the same plane, the structure is simplified and the cost can be reduced.

  The rotating member 9 is formed of an insulating material such as a synthetic resin, and includes a disk-shaped rotating plate 9a and a cylindrical operation unit 9b having a large-diameter hollow portion 9c at the center of the rotating plate 9a. doing. The operation portion 9 b protrudes from the opening 6 a provided at the center of the upper case 6 and is rotatably held between the upper case 6 and the lower case 1.

  Also, a plurality of concave groove-shaped click cams 9d are provided on the outer peripheral surface of the rotating plate 9a, and the click springs 15 engaged with the click cams 9d and the storage portion 1b slide and rotate. A click feeling when the plate 9 rotates is obtained. Further, a plurality of recesses 9e and projecting piece portions 9f are provided on the outer peripheral portion of the operation portion 9b, and a rotary operation knob 14 described later is positioned and attached to the recess portions 9e and the projecting piece portions 9f. It has become.

  An annular sliding contact 10 made of a conductive thin metal plate is held on the upper surface side of the rotating plate 9a. The sliding contact 10 is formed with a pair of elastic contact portions 10a and 10b at substantially opposed positions, and the contact portions 10a and 10b are arranged on the lower surface side (ceiling surface) of the upper case 6. The common pattern 7a and the individual pattern 7b of the second fixed contact 7 provided are in sliding contact.

  Further, when the rotating member 9 is rotatably held between the upper case 6 and the lower case 1, the rotating member 9 is disposed in the hollow portion 9 c of the operation portion 9 b and in the storage portion 1 b of the lower case 1. The contact pattern portion of the first fixed contact portion 2 is exposed, and the swing operation knob 12 described later disposed in the hollow portion 9c through the hollow portion 9c. In accordance with the operation of the pressing operation knob 13, the pressing operation of the movable contact 4 disposed to face the center push contact portion 2a and the direction detection contact portion 2b is possible.

  As described above, the hollow portion 9c is provided at the center of the operation portion 9b of the rotating member 9 holding the sliding contact 10 that is in sliding contact with the second fixed contact portion 7 constituting the rotary switch portion. Since the contact pattern portion of the first fixed contact portion 2 constituting the multi-directional switch portion is arranged in 9c, the multi-direction can be easily formed at the center of the rotary switch portion without contacting each other. The switch portion can be formed, and the switch can be miniaturized.

  The cover 11 is formed into a substantially annular shape having a large-diameter opening 11a at the center by punching a metal plate, and a plurality of locking pieces 11b bent downward are formed on the outer periphery of the cover 11. Is provided. The cover 11 is fitted on the upper surface side of the upper case 6, and the locking piece 11 b is locked to a locking protrusion 1 j provided on the outer surface of the lower case 1, thereby the upper case 6. And the lower case 1 are integrally engaged.

  The swing operation knob 12 is made of an insulating material such as a synthetic resin, and includes a disk-shaped operation plate 12a and a cylindrical drive unit 12b extending on the lower surface side of the operation plate 12a and having a hollow portion 12c in the center. have. In addition, four protrusions 12d are provided at equal intervals on the lower surface of the drive unit 12b, and these protrusions 12d are contact points for detecting the direction of the first fixed contact part 2. A swing operation knob 12 is provided on the inner bottom surface of the storage portion 1b of the lower case 1 in contact with the top surface of the bulge portion of the movable contact 4 placed on the portion 2b. It is positioned by engaging with a hook portion 1f of one engaging portion 1d. At this time, since the first engaging portion 1d has elasticity, the swing operation knob 12 can be easily attached and can be securely held at a predetermined position. .

At this time, the swing operation knob 12 is urged upward by the elastic force of the movable contact 4, and is held at an appropriate position by the hook portion 1f. For this reason, it is not necessary to separately provide an urging member for urging the swing operation knob 12, so that the configuration is simplified and the assembly can be easily performed.
Further, a concave guide groove 12e is formed along the vertical direction on the peripheral surface of the drive portion 12b, and the hook portion 1f of the first engagement portion 1d is engaged with the guide groove 12e. Thus, the rotation of the swing operation knob 12 in the circumferential direction can be prevented, and the swing operation in a predetermined direction set in advance can be reliably performed.

  The pressing operation knob 13 is also made of an insulating material such as synthetic resin, and is provided in a ring shape around the cylindrical operation portion 13a, a drive portion 13b protruding from the lower surface side of the operation portion 13a, and the drive portion 13b. And a hollow portion 13c. The pressing operation knob 13 is disposed in the hollow portion 12 c of the swing operation knob 12, and the driving portion 13 b is placed on the center push contact portion 2 a of the first fixed contact portion 2. Further, the pressing operation knob 13 is provided on the inner bottom surface of the storage portion 1b of the lower case 1 in a state of being in contact with the top surface of the bulging portion of the movable contact 4, and the hook portion of the second engaging portion 1e. It is positioned by engaging 1g.

  At this time, the inner peripheral surface of the hollow portion 13c is engaged with the outer peripheral surface of the cylindrical portion 1c provided in the storage portion 1b and is slidably guided so as to move up and down. Since the second engaging portion 1e is also elastic, the pressing operation knob 13 can be easily attached and securely held at a predetermined position.

  The rotary operation knob 14 is also made of an insulating material such as synthetic resin, and is formed in a substantially annular shape having a large-diameter opening 14a at the center. On the inner peripheral surface of the opening 14a, a convex portion 14b and a concave portion 14c formed on the outer peripheral portion of the operating portion 9b of the rotating member 9 and positioned by engaging with a plurality of concave portions 9e and projecting piece portions 9f. Is formed. The rotation operation knob 14 is rotatably attached to the distal end side of the operation portion 9b of the rotating member 9 in a state where the swing operation knob 12 and the pressing operation knob 13 are accommodated in the opening portion 14a. It has been.

Next, the operation of the composite operation switch having the above configuration will be described.
First, the operation of the multidirectional switch unit will be described. In the initial state shown in FIG. 2, the swing operation knob 12 and the pressing operation knob 13 are located at the neutral position, and constitute the multidirectional switch unit. In the first fixed contact 2, the center push contact 2 a and the direction detection contact 2 b and the movable contacts 4 are separated from each other and are in the OFF state.

  From this state, when the swing operation knob 12 is pushed down on the right side in the figure, for example, the protrusion 12d of the right drive unit 12b is pushed down and presses the top of the bulging part of the movable contact 4 disposed below. By doing so, the movable contact 4 is inverted. By this reversal, the right direction detection contact portion 2b comes into contact with the movable contact 4 and is turned on.

  At this time, the swing operation knob 12 swings (turns) with the hook portion 1f of the first engagement portion 1d formed on the left side of the figure as a fulcrum, but is disposed in the hollow portion 12c. Since the pressing operation knobs 13 are engaged with each other by the second engaging portions 1e in a separated state, they do not interfere with each other, and the center push contact portion 2a maintains the off state.

  When the pressing force to the swing operation knob 12 is released from this state, the swing operation knob 12 returns to the initial state due to the elastic force of the movable contact 4 being reversed and returned. The movable contact 4 is separated from the right direction detection contact 2b and is turned off. In addition, since it becomes the same operation | movement also in the case of the pressing operation to another direction (for example, left side), the description is abbreviate | omitted.

Next, when the pressing operation knob 13 is pushed down in the drawing, the operation portion 13a is pushed down, and the driving portion 13b protruding downward presses the top of the bulging portion of the movable contact 4 disposed below. As a result, the movable contact 4 is inverted. By this reversal, the center push contact portion 2a comes into contact with the movable contact 4 and is turned on.
At this time, similarly, since the swing operation knob 12 is engaged with the first engaging portion 1d in a separated state, the direction detecting contact portion 2b maintains the off state without interfering with each other. doing.

  When the pressing force to the pressing operation knob 13 is released from this state, the pressing operation knob 13 returns to the initial state due to the elastic force of the movable contact 4 being reversed and reversible. The contact 4 is separated from the center push contact 2a and is turned off.

  Next, the operation of the rotary switch unit will be described. In the initial state shown in FIGS. 2 and 6, the rotary operation knob 14 is in engagement with the click cam 9 d of the rotary member 9 and the click spring 15. It is held in a fixed position. In this state, for example, one contact portion 10a of the sliding contact 10 held on the upper surface side of the rotating plate 9a of the rotating member 9 is in contact with the common pattern 7a of the second fixed contact portion 7, and the other The contact portion 10b is in contact with the upper one of the plurality of individual patterns 7b of the second fixed contact portion 7 shown in FIG.

  From this state, for example, when the rotary operation knob 14 is rotated in the right direction (clockwise) in the figure, the rotating member 9 also rotates in the right direction, and the click cam 9d held by the click spring 15 is released. The click cam 9d on the left side is held by the click spring 15, and the click feeling is obtained by the engagement / disengagement of the click cam 9d and the click spring 15 at this time.

  As the rotary member 9 rotates, one contact portion 10a of the sliding contact 10 slides on the common pattern 7a of the second fixed contact portion 7 and is always in contact with the other contact portion. 10b is a circuit that switches from the individual pattern 7b that is spaced apart from the individual pattern 7b of the upper second fixed contact portion 7 shown in FIG.

  As the rotary operation knob 14 is rotated, the contact portion 10b of the sliding contact 10 and the individual pattern 7b are sequentially switched, whereby the circuit of the rotary switch is switched. In this embodiment, the circuit can be switched at 9 positions in one rotation.

  According to the above-described embodiment of the present invention, the swing operation knob 12 that is slidably engaged with the housing and presses the movable contact 4 corresponding to the swinging direction by being swung. The swinging operation knob 12 is disposed in the center of the swinging operation knob 12 so as to be movable up and down, and is provided with the pressing operation knob 13 and 13 that presses the movable contact 4 corresponding to the lower part, and the storage portion 1b of the lower case 1 Provided with the first engaging portion 1d to which the swing operation knob 12 is engaged and the second engagement portion 1e to which the pressing operation knob 13 is engaged. Since the dynamic operation knob 12 and the pressing operation knob 13 are attached so as to be independently operable in a state of being separated from each other by the first and second engaging portions 1d and 1e, a multidirectional operation is performed. Swing control knob 12 and pressing operation knob A saw 13, it is possible to operate independently, without mutual interfere, has assumed that the erroneous operation can be prevented during operation.

It is a disassembled perspective view which shows the composite operation switch provided with the multidirectional operation switch of this invention. It is principal part sectional drawing which shows the composite operation switch provided with the multidirectional operation switch of this invention. It is principal part sectional drawing seen from the different direction of the composite operation switch provided with the multidirectional operation switch of this invention. It is a perspective view which shows the state which remove | excluded the knob for rocking | fluctuation operation and the knob for press operation of the composite operation switch provided with the multi-directional operation switch of this invention. It is principal part sectional drawing of FIG. 4 of this invention. It is the principal part top view which showed transparently the arrangement | positioning state of the contact part of the multidirectional switch of this invention, and the contact part of a rotary switch. It is the principal part top view which showed through and showed the contact pattern and drawer | drawing-out pattern of the multidirectional switch of this invention. It is a disassembled perspective view which shows the composite operation switch provided with the conventional multidirectional operation switch. It is principal part sectional drawing which shows the composite operation switch provided with the conventional multidirectional operation switch.

Explanation of symbols

1: Lower case (housing)
DESCRIPTION OF SYMBOLS 1a: Wall part 1b: Storage part 1c: Cylindrical part 1d: 1st engaging part 1e: 2nd engaging part 1f: Hook part 1g: Hook part 1h: Projection part 1i: Spring accommodating part 1j: Locking Projection 2: First fixed contact 2a: Center push contact (contact pattern)
2b: Contact point for direction detection (contact pattern part)
2c: drawer pattern part 3: first connection terminal 4: movable contact 5: adhesive sheet 6: upper case (housing)
6a: Opening portion 7: Second fixed contact portion 7a: Common pattern 7b: Individual pattern 7c: Drawer pattern portion 8: Second connection terminal 9: Rotating member 9a: Rotating plate 9b: Operating portion 9c: Hollow portion 9d: Click cam 9e: Concave part 9f: Projection piece part 10: Sliding contact 10a: Contact part 10b: Contact part 11: Cover 11a: Opening part 11b: Locking piece 12: Swing operation knob 12a: Operation plate 12b: Drive part 12c : Hollow portion 12d: protrusion 12e: guide groove portion 13: pressing operation knob 13a: operation portion 13b: driving portion 13c: hollow portion 14: rotation operation knob 14a: opening portion 14b: convex portion 14c: concave portion 15: click spring

Claims (4)

  A housing, a plurality of fixed contacts disposed on the inner bottom surface of the housing, a plurality of movable contacts disposed opposite to the fixed contacts and being brought into and out of contact with the fixed contacts; A swing operation knob that is swingably engaged with the housing and presses the movable contact corresponding to the swinging direction by swinging, and is arranged to be movable up and down at the center of the swing operation knob. A pressing operation knob that presses the movable contact corresponding to the lower side when pressed down, and the housing includes a first engaging portion with which the swing operation knob is engaged, and the pressing operation. A second engaging portion for engaging the control knob, and the swing operation knob and the pressing operation knob are operated independently with the first and second engagement portions being separated from each other. Said Hauzin as possible Multidirectional operating switch, characterized in that attached to.   The first and second engaging portions are formed of a plurality of elastic projecting pieces projecting from the inner bottom surface of the housing, and the projecting pieces include the swing operation knob and the pressing operation knob. The multi-directional operation switch according to claim 1, wherein a hook portion for locking and holding is formed.   The movable contact is made of a metal spring piece having a dome-shaped bulging portion, and the swinging operation knob and the pressing operation knob are biased upward by the elasticity of the metal spring piece, and the hook portion The multidirectional operation switch according to claim 2, wherein the multidirectional operation switch is held at an appropriate position by the operation. A concave guide groove portion is formed on the circumferential surface of the swing operation knob in the vertical direction, and a hook portion of the first engagement portion is engaged with the guide groove portion. Item 4. The multidirectional operation switch according to item 2 or 3.

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