JP6590641B2 - Rotating and swinging input device and electronic device - Google Patents

Description

  The present invention relates to a rotary swing input device provided in an electronic apparatus including an imaging device such as a digital camera, and an electronic device including the rotary swing input device.

  2. Description of the Related Art Some electronic devices such as a digital camera include a rotary swing input device having an operation dial that can perform a combined operation of a swing operation and a rotation operation in a plurality of directions. The rotation detecting means of the rotary swing type input device generates a pulse signal at the time of rotation by sliding the contact portion of the rotating electrode rotating together with the operation dial on the electrode wiring, and further, the rotating electrode itself is connected to the operation dial. A device that functions as a stopper is known (Patent Document 1).

Japanese Patent No. 5530549

  However, in Patent Document 1, since the shape of the rotating electrode is not uniform, the strength of the rotating electrode with respect to the force applied to the rotating electrode as a retaining stopper varies depending on the rotation phase of the operating dial when the operating dial is swung. For this reason, there is a problem that the feel at the time of the swinging operation of the operation dial varies and the operability is inferior.

  Therefore, an object of the present invention is to provide a technique capable of improving the operability when an operation dial of a rotary swing input device is swing-operated.

In order to achieve the above object, a rotary oscillation type input device of the present invention includes a base, a wiring board having a plurality of switches that are held by the base and generate signals when pressed, and a cylindrical shape. A projecting portion projecting radially inwardly on the inner peripheral portion of the rotating shaft portion, and capable of rotating operation and swinging operation in a plurality of directions corresponding to the plurality of switches; and An inner annular portion that holds the rotating shaft portion so as to be rotatable and swingable in the plurality of directions, and an outer peripheral side of the inner annular portion, and the operation dial is arranged in any direction of the plurality of directions. And an outer annular portion provided with a plurality of pressing portions that respectively press down the corresponding switch among the plurality of switches when being operated to swing, and a central portion of the operation dial on the base In contrast, rotation is restricted Provided with a swinging part disposed on the external side and a fixing part fixed to the base so as to be elastically deformable, and the fixing part of the locking member includes: A plurality of locking portions that come into contact with the outer surface of the protruding portion are provided at positions substantially in phase with the plurality of pressing portions on the radially inner side of the plurality of pressing portions of the outer annular portion. It is characterized by that.

  ADVANTAGE OF THE INVENTION According to this invention, the operativity at the time of rocking | fluctuating the operation dial of a rotary rocking | fluctuation type input device can be improved.

It is the perspective view which looked at the digital camera which is an example of embodiment of an electronic device provided with the rotational oscillation type input device of this invention from the back side. It is the enlarged view which looked at the rotation oscillation type input device from the operation dial side. It is a disassembled perspective view of a rotation oscillation type input device. (A) is the sectional view on the AA line of FIG. 2, (b) is the B section enlarged view of (a), (c) is the C section enlarged view of (a). (A) is a front view of the display board, (b) is a left side view of (a), (c) is a right side view of (a), (d) is a top view of (a), and (e) is ( The bottom view of a), (f) is a rear view of (a). (A) is sectional drawing of the rotary rocking | fluctuation type input device explaining rocking | fluctuation operation of an operation dial, (b) is the D section enlarged view of (a).

  Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view of a digital camera, which is an example of an embodiment of an electronic apparatus provided with the rotary swing input device of the present invention, as viewed from the back side.

  As shown in FIG. 1, a digital camera 1 according to this embodiment includes a lens barrel 2 on the front side, and an imaging element (not shown) that passes through the imaging optical system of the lens barrel 2 on the back side. A display unit 3 such as an LCD for displaying a subject image formed on the screen is provided. When the digital camera 1 is viewed from the back side, an operation dial 5 that constitutes the rotary swing input device 4 is provided on the right side of the display unit 3.

  In the rotary swing type input device 4, for example, the rotation operation of the operation dial 5 is assigned to a function that requires a continuous input operation such as manual focus and white balance. Further, as a combined operation of a swing operation and a rotation operation in a plurality of directions, a push button operation by a swing operation of the operation dial 5 is assigned to a function that can be set by a toggle operation such as flash on / off / auto. Yes.

  FIG. 2 is an enlarged view of the rotary swing input device 4 as seen from the operation dial 5 side. FIG. 3 is an exploded perspective view of the rotary swing type input device 4. 4A is a cross-sectional view taken along line AA in FIG. 2, FIG. 4B is an enlarged view of a portion B in FIG. 4A, and FIG. 4C is an enlarged view of a portion C in FIG. is there.

  As shown in FIGS. 2 to 4, the operation dial 5 is held so as to be rotatable with respect to the holder 10. Further, the operation dial 5 is held so as to be swingable with respect to the holder 10 when the operation dial 5 is pushed in the vertical and horizontal directions of FIG. A display board 6 is provided at the center of the operation dial 5.

  On the external surface of the display board 6, icons representing the respective functions of the swing operations in a plurality of directions in the up, down, left, and right directions in FIG. 2 are printed. The display board 6 has a pin-shaped caulking portion 6e (see FIG. 5) positioned in a hole (not shown) formed in the base 8 and a pin-shaped portion protruding from the back surface of the base 8 being caulked. 8 is fixed and rotation is restricted. A center key 7 is provided at the center of the display panel 6.

  When the operation dial 5 is pushed in each of the up / down / left / right swing directions in FIG. 2, the display board 6 swings following the operation dial 5. Further, the center key 7 functions as a confirmation key for various settings, and is not interlocked when the operation dial 5 rotates or swings, and can only be pushed in the axial direction. The operation dial 5 is fixed to the base 8 through a double-sided tape or the like together with the flexible wiring board 9.

  As shown in FIG. 3, a pair of photo interrupters 12 are mounted on the flexible wiring board 9 as a transmissive optical sensor for detecting the rotation of the operation dial 5. A plurality of metal dome switches 13 are integrally held on the mounting surface side of the flexible interrupt substrate 12 on the photo interrupter 12, and the side opposite to the mounting surface of the photo interrupter 12 on the flexible wiring substrate 9 is based on a double-sided tape or the like. It is fixed to the base 8.

  The holder 10 is disposed on the outer circumferential side of the inner annular portion 10a and the inner annular portion 10a that holds the operation dial 5 so as to be rotatable and swingable in a plurality of directions, and is disposed at substantially equal intervals in the circumferential direction. And an outer annular portion 10b connected to the inner annular portion 10a via the connecting portion 10e. The inner annular portion 10a, the connecting portion 10e, and the outer annular portion 10b are all formed of a resin material that can be elastically deformed.

  Four sliding portions 10d that slide when the operation dial 5 rotates are provided at substantially equal intervals in the circumferential direction on the surface of the outer annular portion 10b on the operation dial 5 side. The four sliding portions 10d are provided corresponding to the four metal dome switches 13 on the top, bottom, left, and right in FIG. On the back side of the sliding portion 10d, there is provided a pressing portion 10c (see FIG. 4) for pressing down the corresponding metal dome switch 13 when the operation dial 5 is swung in either the up / down / left / right directions. ing.

  Each of the inner annular portion 10a and the outer annular portion 10b is provided with a caulking portion 10f. The crimping portion 10 f is positioned in a hole formed in the base 8, and the pin-shaped portion protruding from the back surface of the base 8 is crimped and fixed to the base 8. A click spring 11 is held on the inner annular portion 10 a of the holder 10. The click spring 11 engages with a plurality of projections (not shown) formed on the back side of the operation dial 5 along the circumferential direction, thereby generating a click feeling when the operation dial 5 is rotated, and operating when stopped. The dial 5 is stopped at a stable position.

  Further, as shown in FIG. 4A, the fitting dimension in the rotation axis direction with respect to the inner annular portion 10a of the operation dial 5 held by the inner annular portion 10a of the holder 10 is set to be smaller than the total length of the rotation shaft. ing. Accordingly, the operation dial 5 is held rotatably and swingable with respect to the inner annular portion 10a of the holder 10. Moreover, as shown in FIG.4 (c), the right side of Fig.4 (a) of the outer side annular part 10b of the holder 10 is formed comparatively thinly, and can be elastically deformed.

  On the other hand, as shown in FIG. 4B, on the left side of FIG. 4A of the outer annular portion 10b of the holder 10, the sliding portion 10d on which the operation dial 5 slides and the metal dome switch 13 are pressed. The pressing part 10c is provided and formed relatively thick.

  Further, as shown in FIG. 4C, the operation dial 5 is fixed with a light shielding blade 14 formed of a metal material or the like by adhesion or the like, and the light shielding blade 14 can rotate and swing together with the operation dial 5. It is possible. The light shielding blade 14 is provided with a plurality of light shielding portions 14a at substantially equal intervals in the circumferential direction.

  Then, by rotating the operation dial 5, the light shielding portion 14a and the gap between the light shielding portions 14a adjacent to each other in the circumferential direction pass between the light projecting portion and the light receiving portion of the photo interrupter 12, and the photo interrupter The light from the 12 light projecting parts is repeatedly blocked and transmitted.

  Based on the output signal from the photo interrupter 12 at this time, the rotation amount of the operation dial 5 can be detected. In addition, the pair of photo interrupters 12 mounted on the flexible wiring board 9 are arranged at an angle at which the waveform of the output signal is shifted by a half phase, so that the rotation direction of the operation dial 5 can also be detected. Yes.

  Note that the number of light shielding portions 14a corresponds to the number of convex portions (not shown) on the back side of the operation dial 5 with which the click spring 11 is engaged. As a result, the output of the photo interrupter 12 when the operation dial 5 is stopped is always constant. The clearance between the photo interrupter 12 and the light shielding portion 14 a of the light shielding blade 14 is set so as not to come into contact with the swing operation of the operation dial 5.

  Next, the display board 6 will be described with reference to FIG. 5 (a) is a front view of the display board 6, FIG. 5 (b) is a left side view of FIG. 5 (a), FIG. 5 (c) is a right side view of FIG. 5 (a), and FIG. Fig. 5A is a top view of Fig. 5A, Fig. 5E is a bottom view of Fig. 5A, and Fig. 5F is a rear view of Fig. 5A. The display board 6 corresponds to an example of a retaining member of the present invention.

  As shown in FIG. 5, the display board 6 includes a flange-like swinging portion 6 c disposed on the external side, and a fixed portion 6 b disposed on the base 8 side, and the swinging portion 6 c and the fixed portion. 6b is connected by two connecting portions 6d. The connecting portion 6d is formed so as to be elastically deformable, whereby the swinging portion 6c is configured so that the display plate 6 is fixed to the base 8 as shown in FIGS. 5 (c) and 5 (d). It can swing in a plurality of arrow directions (up, down, left and right in FIG. 2).

  The fixing portion 6b is provided with four pin-shaped caulking portions 6e. The caulking portion 6e is positioned in the hole provided in the base 8 and protrudes from the back surface of the base 8 as described above. The pin-shaped portion is crimped and fixed to the base 8. Thereby, rotation of the display board 6 is controlled.

  The fixing portion 6b is provided with four locking portions 6a in the vicinity of the crimping portion 6e and at the end of the connecting portion 6d on the fixing portion 6b side at substantially equal intervals in the circumferential direction. . The locking portions 6a are arranged at substantially the same phase as the four pressing portions 10c on the radially inner side of the four pressing portions 10c of the outer annular portion 10b. Further, the four locking portions 6a are more rigid by being arranged in the vicinity of the crimping portion 6e on the fixing portion 6b side.

  As shown in FIG. 4, a projecting portion 5a projecting radially inward is provided on the inner peripheral portion of the lower end of the cylindrical rotating shaft portion of the operation dial 5, and the upper surface (external side) of the projecting portion 5a is provided. The four engaging portions 6a of the display board 6 are in contact with the surface of the display plate 6, respectively. Accordingly, the swinging portion 6c of the display plate 6 can follow and swing when the operation dial 5 is swinging, and the locking portion 6a provided on the fixed portion 6b functions as a retaining portion for the operation dial 5. To do.

  The four locking portions 6a are respectively provided on the top, bottom, left, and right of the display board 6 in FIG. 2, and are disposed at positions corresponding to the sliding portion 10d, the pressing portion 10c, and the metal dome switch 13. Thereby, when the operation dial 5 is swung, the display board 6 can be swung together with the operation dial 5 at the position of the corresponding metal dome switch 13.

  Further, as shown in FIG. 5 (f), a push shaft 7a (see FIG. 3) of the center key 7 for pushing and operating the metal dome switch 13 moves in the axial direction at the center portion of the fixed portion 6b of the display board 6. A hole 6g to be inserted is formed. In addition, a hole 6f is formed around the hole 6g of the fixed portion 6b, into which the claw portion 7b (see FIG. 3) of the center key 7 that is snap-fit coupled to the fixed portion 6b is movably inserted in the axial direction. Yes.

  6A is a cross-sectional view of the rotary swing type input device 4 for explaining the swing operation of the operation dial 5, and FIG. 6B is an enlarged view of a portion D of FIG. 6A.

  As shown in FIG. 6, when the operation dial 5 is swung by pushing the right side of the operation dial 5 in the direction of the arrow F, for example, the operation dial 5 is shown in FIG. 6 of the display plate 6 in contact with the protruding portion 5a. It swings with the left locking portion 6a as a fulcrum. As a result, the pressing portion 10 c of the holder 10 presses the metal dome switch 13.

  The left and right sides in FIG. 6 correspond to the left and right sides in FIG. 2, and when the operation dial 5 is swung by pushing the left side of FIG. 6 and the upper and lower sides of FIG. The operation dial 5 swings with the engaging portion 6a to be supported as a fulcrum.

Here, the above-described left and right side locking portions 6a are symmetrically arranged to face each other in the radial direction, and the upper and lower side locking portions 6a are also symmetrically arranged to face each other in the radial direction. Therefore, the distance L to the fulcrum of the push position or al locking portion 6a of the operation dial 5 when the swing operation of the operation dial 5, a substantially constant by pressing any position of the vertical and horizontal operation dial.

  As a result, it is possible to make the feeling of pushing the operation dial 5 during the swinging operation of the operation dial 5 substantially equal regardless of the above-described up / down / left / right pushing positions. Further, the pressing feeling of the operation dial 5 does not change regardless of the rotation phase of the operation dial 5, and is always substantially equal.

  As described above, in the present embodiment, in the rotary swing type input device 4, the feeling of pushing the operation dial 5 during the swing operation of the operation dial 5 can be made substantially equal regardless of the pushing position. The operability when the operation dial 5 is swung can be improved.

  The configuration of the present invention is not limited to that exemplified in the above embodiment, and the material, shape, dimensions, form, number, arrangement location, and the like can be changed as appropriate without departing from the scope of the present invention. It is.

  For example, the inner annular portion 10a and the outer annular portion 10b of the holder 10 may be separate or integrated, and the light shielding blade 14 may be connected to the operation dial 5 by insert molding or the like even if it is fixed to the operation dial 5 by adhesion or the like. It may be integrated. Furthermore, the light shielding part 14 a of the light shielding blade 14 may be directly formed on the operation dial 5.

4 Rotating and Swinging Type Input Device 5 Operation Dial 5a Protruding Part 6 Display Panel 6a Locking Part 6b Fixing Part 6c Oscillating Part 8 Base 9 Flexible Wiring Board 10a Inner Annular Part 10b Outer Annular Part 10c Pressing Part 13 Metal Dome Switch

Claims (5)

The base,
A wiring board having a plurality of switches that are held by the base and pressed to generate a signal;
An operation dial provided with a projecting portion protruding radially inward on the inner peripheral portion of the cylindrical rotating shaft portion, and capable of rotating operation and swinging operation in a plurality of directions corresponding to the plurality of switches,
An inner annular portion that holds the rotary shaft portion of the operation dial rotatably and swingable in the plurality of directions;
Arranged on the outer peripheral side of the inner annular portion, when the operation dial is swung in any one of the plurality of directions, it is elastically deformed and each corresponding switch among the plurality of switches is pressed down. An outer annular portion provided with a plurality of pressing portions;
Provided in a central portion of the operation dial in a state in which rotation with respect to the base is restricted, and a swinging portion disposed on the exterior side and a fixed portion fixed to the base are formed to be elastically deformable. A retaining member,
The fixing portion of the retaining member is in contact with the outer surface of the protrusion at a position substantially in phase with the plurality of pressing portions on the radially inner side of the plurality of pressing portions of the outer annular portion. A rotationally oscillating input device, characterized in that a plurality of engaging portions in contact therewith are provided.   2. The rotary rocking type according to claim 1, wherein respective functions in the rocking operation of the operation dial in a plurality of directions are displayed on an external surface of the rocking portion of the retaining member. Input device. The fixing portion is provided with a plurality of pin-shaped crimping portions that are crimped to the base,
The rotationally oscillating input device according to claim 1, wherein the locking portions are respectively disposed in the vicinity of the plurality of crimping portions. The plurality of pressing portions and the plurality of locking portions are each configured by four pressing portions and four locking portions that are arranged at substantially equal intervals in the rotating direction of the operation dial,
The swinging part and the fixing part of the retaining member are connected by two connecting parts that can be elastically deformed,
4. The connection portion according to claim 1, wherein among the four locking portions, the coupling portions are integrally provided at two locking portions that are opposed to each other in the radial direction. The rotationally oscillating input device according to claim 1.   An electronic apparatus comprising the rotationally oscillating input device according to any one of claims 1 to 4.