JP2010123352A - Operation dialing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable an excellent fine-tuning operation and high-speed multi-rotation operation without limit of an operating start point and without burden on a finger tip due to friction. <P>SOLUTION: An inner operation knob 11A of the operation dialing device is mounted on a rotating shaft 12, adapted to both the fine-tuning operation and the high-speed multi-rotation operation with a front face as an operating face. A protruded part 13 of a constant height is formed at an outer periphery edge part of the operating face, at an inner sidewall face of which, continuous ruggednesses are formed in a roulette shape, so as to be more roughened than other parts of the front face made into a smooth face. Further, a groove part 14 is formed slanted so as to be dented in an outer periphery direction inside the protruded part 13, so that the groove part 14 guides the finger tip in the outer periphery direction, until the finger naturally pressure contacts the inner sidewall face of the protruded part 13. Since the inner sidewall face of the protruded 13 is made into a more roughened face than the other faces, the thick of the finger is to keep in contact with an inner wall face of the protruded part to rotate the knob, so that there is no risk of friction on a whole finger tip. Moreover, operation is started from any position. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an operation dial device that is mounted on a rotary shaft and that handles both a fine adjustment operation and a high-speed multi-rotation operation using a front surface as an operation surface.

  In a conventional operation dial device such as a jog dial, as shown in FIG. 4, for example, a recess 2 is formed in a part of the operation surface (front surface) of the dial 1, and the operator presses and contacts the fingertip with the recess 2. Fine adjustment operation or high-speed multi-rotation operation is performed. Some of the operation surfaces are equipped with a member with high friction such as rubber to prevent the fingertip from slipping.

  However, in the case where the concave portion is formed, the operation start point is limited to the concave portion forming portion, so that it may be difficult to perform the fine adjustment operation. In addition, in the case where a member for preventing slipping is mounted on the operation surface, slipping is certainly eliminated and the initial rotation operation becomes very easy. However, since friction is always generated at the fingertip, it is operated for a long time. Then, the fingertips are worn, causing pain to the operator.

In addition, as a conventional example of this type, there is one that realizes multi-function by having a structure as shown in Patent Document 1, for example, and the operation surface is not particularly devised.
JP 2004-111214 A

  As described above, the conventional operation dial device has a problem that the operation start point is restricted. In addition, since friction is always generated at the fingertip by the member for preventing slipping, the fingertip is worn when operated for a long time, which causes pain to the operator.

  The present invention has been made in view of the above-described problems, and is satisfactory for both fine adjustment operation and high-speed multi-rotation operation without being restricted by the operation start point and without placing a burden on the fingertip due to friction. An object of the present invention is to provide an operation dial device capable of the above.

  In order to solve the above problems, the present invention is configured as follows.

  (1) In an operation dial device mounted on a rotating shaft and corresponding to both fine adjustment operation and high-speed multi-rotation operation using the front surface as an operation surface, a protruding portion having a constant height is formed on the outer peripheral edge of the operation surface. And at least the inner wall surface of the protruding portion is made rougher than the other front surface.

  (2) In the configuration of (1), the inner wall surface of the projecting portion is a rough surface by continuously forming irregularities to form a knurl shape.

  (3) In the configuration of (1), the operation dial device according to claim 1, wherein a member made of the material to be the rough surface is attached to the inner wall surface of the protruding portion.

  (4) In the configuration of (1), when the operator's finger contacts the inside of the protruding portion, the protruding portion is guided so as to guide the finger toward the inner wall surface of the protruding portion. It is characterized in that a groove is formed on the entire inside.

  According to the present invention, the protrusion of constant height is formed on the outer peripheral edge of the operation surface, and the inner wall surface of the protrusion is made rougher than the other front surface. Since it rotates while being in contact with the inner wall surface in order, there is no friction on the entire fingertip. Further, the operation can be started from any position. Therefore, it is possible to provide an operation dial device that can be operated satisfactorily for both the fine adjustment operation and the high-speed multi-rotation operation without being restricted by the operation start point and without applying a burden due to friction to the fingertip.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing a configuration of an embodiment of an operation dial device according to the present invention, and FIG. 2 is a cross-sectional view taken along line AA of the operation dial device in FIG. The operation dial device shown in FIGS. 1 and 2 is a jog dial having an inner operation knob 11A and an outer operation knob 11B, and is attached to a rotating shaft 12 provided on a chassis (not shown) of an electronic device. There is a speed reduction mechanism that decelerates the rotation of the inner operation knob 11A due to the dial operation and transmits it to the rotation of the outer operation knob 11B.

  The inner operation knob 11A has both a fine adjustment operation and a high-speed multi-rotation operation with the front surface as an operation surface. The operation surface (front surface) has a protruding portion 13 having a constant height on the outer peripheral edge. It is formed. Since the inner wall surface and the outer wall surface of the projecting portion 13 are rougher than the other portions of the front surface, they are formed into a knurl shape by continuously forming irregularities, and the other portions are smooth surfaces that do not generate friction as much as possible. And

  The operation surface may be flat except for the projecting portion 13, but a groove portion 14 is formed on the inner side of the projecting portion 13 so as to be recessed toward the outer peripheral direction. Accordingly, when the operator touches the inner wall surface of the projecting portion 13 with the finger, the groove portion 14 guides the fingertip in the outer circumferential direction, so that the finger naturally comes into pressure contact with the inner wall surface of the projecting portion 13. The outer operation knob 11B does not have a portion related to the present invention, and therefore a specific description thereof is omitted. In the following description, the inner operation knob 11A is simply referred to as an operation knob. Moreover, it is arbitrary to form a rough surface by forming irregularities on the outer wall surface of the protruding portion 13.

  FIG. 3 is a diagram for schematically explaining the features related to the operation of the operation knob 11 </ b> A having the above structure, and FIG. 3A is a conceptual configuration diagram in the case where the fingertip is considered to be replaced with a virtual small gear 15. FIG. 3B is a conceptual configuration diagram illustrating how the fingertip functions in the same manner as the gear.

  First, in FIG. 3 (a), it is assumed that the knurled irregularities formed on the inner wall surface of the protruding portion 13 of the operation knob 11A function as a gear, and the small-diameter gear 15 is meshed with the inner side as indicated by an arrow in the figure. It is assumed that the entire operation knob 11A is rotated by rotating in a fixed state. At this time, both teeth mesh with each other and do not slip. For this reason, friction does not occur. Since the rotation angle of the operation knob 11A is determined by the ratio of the number of teeth of the small diameter gear and the number of teeth on the operation knob 11A side, even if the small diameter gear 15 is rotated once, the operation knob 11A is not always rotated once. Absent.

  On the other hand, as shown in FIG. 3 (b), when the fingertip is brought into contact with the inner wall surface of the protruding portion 13, the contact surface of the fingertip is deformed and is the same as part of the small-diameter gear meshing. Become. As shown in the figure, when the finger is on the upper part of the operation knob 11A, the upper part of the fingertip touches the inner wall surface (A), and when the finger is on the right side of the operation knob 11A, the right side of the fingertip touches the inner wall surface (B ) When the finger is below the operation knob 11A, the lower side of the fingertip touches the inner wall surface (C). When the finger is on the left side of the operation knob 11A, the left side of the fingertip touches the inner wall surface (D). Become. In this way, the abdominal surface of the fingertip that touches the operation surface conforms to the uneven surface of the inner wall surface and deforms into an uneven surface so as not to slip. In this state, when the operation knob 11A11 is rotated with the fingertip facing in the same direction, the trajectory of the fingertip deforms moves on a small circle, and the fingertip functions in the same manner as the small-diameter gear shown in FIG. For this reason, since it engages and operate | moves, the friction by sliding does not arise.

  In other words, the position of the fingertip that comes into contact with the operation knob 11A changes as the dial rotates, so that the abdomen of the fingertip does not always touch the rough surface (inner wall surface) as in the prior art. Is a smooth surface, so there is almost no friction.

  Therefore, according to the operation dial device having the above-described structure, the wear on the fingertip due to the friction caused by the dial operation does not occur, so the burden on the operator can be reduced. Further, since the fingertip is rotated so as to mesh with the projections and depressions of the protruding portion, it can be easily rotated without slipping. Furthermore, even if the diameter of the entire operation knob is reduced, it can be guided to the inner wall surface of the protruding portion formed on the outer peripheral edge portion, so that the rotational torque is reduced and the operability is improved. In particular, the smaller the device dial device, the greater the improvement effect.

  In the above embodiment, a rough surface is formed by continuously forming irregularities on the inner wall surface of the projecting portion to form a knurl shape, but the present invention is not limited to this, The rough surface may be formed in any shape, such as simply forming a large number of convex portions. Moreover, you may make it mount | wear with the member of the material used as rough surfaces, such as rubber | gum. In addition, if the outer wall surface of the protruding portion is roughened to be a rough surface, as with the inner wall surface, the dial operation can be performed while pressing the fingertip against the outer wall surface, thereby avoiding the adverse effects of friction. .

  Further, the present invention is not limited to the above-described embodiments as they are, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. In addition, various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

The perspective view which shows the structure of one Embodiment of the operation dial apparatus which concerns on this invention. FIG. 1 is a cross-sectional view of the operation dial device taken along the line AA. The figure for demonstrating roughly the characteristic regarding operation of the operation knob by the structure shown in FIG. The conceptual diagram which shows an example of the conventional operation dial apparatus.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11A ... Inner operation knob, 11B ... Outer operation knob, 12 ... Rotating shaft, 13 ... Projection part, 14 ... Groove part, 15 ... Virtual small gearwheel.

Claims (4)

In the operation dial device that is mounted on the rotating shaft and supports both fine adjustment operation and high-speed multi-rotation operation with the front as the operation surface.
An operation dial device characterized in that a protrusion having a constant height is formed on the outer peripheral edge of the operation surface, and at least the inner wall surface of the protrusion is rougher than the other front surface.   The operation dial device according to claim 1, wherein the inner wall surface of the projecting portion is formed into a rough surface by continuously forming irregularities to form a knurl shape.   2. The operation dial device according to claim 1, wherein a member made of a material that becomes the rough surface is attached to an inner wall surface of the protruding portion.   A groove is formed on the entire inside of the protruding portion so that when the operator's finger contacts the inside of the protruding portion, the finger guides toward the inner wall surface of the protruding portion. The operation dial device according to claim 1.

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