JP2016111217A - Slide operation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slide operation device having enhanced durability against dust.SOLUTION: A resistor 21A and a resistor 21B extend in one direction. A bottom surface member 20(insulation substrate) extend in one direction. A movable member 31 moves in one direction oppositely to the bottom surface member 20. A slider is provided in the movable member 31 so as to come into contact with the resistors 21A and 21B. The movable member 31 includes an opposite surface 40 facing the bottom surface member 20, a first side face crossing the opposite surface 40 and extending in one direction, and a first inclined plane 61 over the first side face at an end P1 on one side in one direction. The first inclined plane 61 inclines for the one direction so as to make an obtuse angle for the first side face.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a slide operation device in which an operator slides by manual operation or motor drive.

  For example, Patent Document 1 describes that a slide-type variable resistor is used as an adjustment knob for an acoustic mixer or an electronic piano (paragraph 0003). The document also discloses a slider 5 that slides along a slit 7 formed on the upper surface of the frame 6 and an insulating resin that is provided on the lower side of the slider 5 and on which the carbon film resistor 1 is printed linearly. A slide-type variable resistor provided with a substrate 3 and a slider 4 that is disposed on the back surface of the main body 5a of the slider 5 and slides while contacting the carbon film resistor 1 according to the sliding movement of the slider 5. 10 (paragraph 0004, FIG. 5).

JP-A-9-283309

  In the above-described slide type variable resistor 10, dust such as dust or dust entering from the slit 7 is accumulated on the rail-shaped protrusion 19. For this reason, poor contact between the slider 4 and the carbon film resistor 1, deformation / breakage of the slider 4 and the like occur. In view of the above circumstances, an object of the present invention is to suppress the accumulation of dust.

  In order to solve the above problems, a slide operation device according to a first aspect of one aspect of the present invention includes a resistor that extends in one direction, a bottom surface member that extends in the one direction, A movable member that moves in the one direction facing the bottom surface member; and a slider provided on the movable member so as to contact the resistor, the movable member facing the bottom surface member An opposing surface, a side surface that intersects the opposing surface and extends in the one direction, and an inclined surface that extends over the side surface at one end in the one direction, It inclines with respect to the said one direction so that an obtuse angle may be made with respect to the said side surface. In the above configuration, since the inclined surface of the movable member is inclined with respect to one direction so as to form an obtuse angle with respect to the side surface, the dust on the surface of the bottom surface member is moved by the movable member relative to one side in the one direction. Along with the inclined surface, it moves to the side surface side. That is, dust on the surface of the bottom member is scraped out by the first inclined surface. Therefore, there is an effect that dust accumulation on the surface of the bottom member is suppressed.

  According to another aspect of the present invention, there is provided a slide operating device according to a second aspect, in which a resistor extending in one direction, a bottom member extending in the one direction, and the one facing the bottom member. A movable member that moves in a direction, and a slider that is provided on the movable member so as to contact the resistor, the movable member facing the bottom surface member, and the opposing surface A side surface that intersects and extends in the one direction, and an inclined surface that extends across the side surface at one end in the one direction, the inclined surface including a point on the inclined surface and the side surface Is formed such that the distance from the plane including the distance decreases from the end toward the other side in the one direction. In the above configuration, the inclined surface of the movable member is formed such that the distance between the point on the inclined surface and the plane including the side surface decreases from the end toward the other side in one direction. In other words, the space formed by the side surface and the inclined surface becomes wider as it goes from the other side in one direction to the one side. Accordingly, the dust on the surface of the bottom member moves to the side surface along the inclined surface as the movable member moves relative to one side in one direction. That is, dust on the surface of the bottom member is scraped out by the inclined surface. Therefore, similarly to the first aspect, there is an effect that dust accumulation on the surface of the bottom member is suppressed.

  In a preferred example of the first aspect and the second aspect, the bottom surface member is formed with an opening extending in the one direction along a side surface of the movable member. According to the above configuration, the dust that has moved to the side surface along the inclined surface along with the movement of the movable member passes through the opening and is discharged to the outside. Therefore, the above-described effect that dust accumulation on the surface of the bottom member is suppressed is particularly remarkable.

  In a preferred embodiment of the first aspect of the present invention, the movable member has another side surface that intersects the opposing surface on the side opposite to the side surface and extends in the one direction, and one side in the one direction. And the other inclined surface over the other side surface, and the other inclined surface is inclined with respect to the one direction so as to form an obtuse angle with respect to the other side surface. In the above configuration, in addition to the inclined surface extending over the side surface at one end portion in one direction, the inclined surface extending over the other side surface opposite to the side surface extending in the one direction at the end portion is a movable member. Formed. Therefore, the dust on the surface of the bottom surface member moves to the side surface along the inclined surface over the side surface at the end portion on one side in one direction as the movable member moves, and It moves to the other side surface along another inclined surface across the other side surface that intersects the opposite surface on the side opposite to the side surface and extends in the one direction. That is, the dust on the surface of the bottom member is dispersed in two places (two directions). Therefore, as compared with a configuration in which dust is discharged to the side surface on one side using only one inclined surface, there is an effect that dust on the surface of the bottom member can be efficiently removed.

  In a preferred embodiment of the second aspect of the present invention, the movable member is disposed on the other side surface that intersects the other side of the facing surface and extends in the one direction, and an end portion on one side in the one direction. And another inclined surface formed so as to be inclined with respect to the one direction, the other inclined surface being a point on the other inclined surface, A distance from a plane including the other side surface is formed so as to decrease from the end toward the other side in the one direction. In the above configuration, the movable member is formed with another inclined surface in addition to the one inclined surface. That is, in addition to the inclined surface extending from the end portion on one side in one direction to the side surface, another inclined surface extending to the other side surface opposite to the side surface at the end portion is formed on the movable member. Accordingly, the dust on the surface of the bottom member moves to the side surface along the inclined surface and moves to the other side surface along the other inclined surface as the movable member moves. That is, the dust on the surface of the bottom member is dispersed in two places (two directions). Therefore, as compared with a configuration in which dust is discharged to the side surface on one side using only one inclined surface, there is an effect that dust on the surface of the bottom member can be efficiently removed.

  In a preferred embodiment of the aspect in which the movable member includes an inclined surface and another inclined surface, the bottom member has an opening extending in one direction along the other side surface when viewed from a direction perpendicular to the opposing surface. Part is formed. In the above configuration, the dust that has moved to the other side surface along the other inclined surface along with the movement of the movable member passes through the opening and is discharged to the outside. Therefore, the above-described effect that dust accumulation on the surface of the bottom member is suppressed is particularly remarkable.

  In a preferred aspect of the present invention, the movable member is formed in a symmetrical shape with respect to the one direction when viewed from a direction perpendicular to the facing surface. In the above configuration, since the movable member is formed in a symmetrical shape on one side and the other side in one direction, the movable member moves to one side in one direction and moves to the other side in one direction. In both cases, dust is discharged to the side surface on one side using the inclined surface on one side. Therefore, the effect of suppressing the accumulation of dust on the surface of the bottom member is particularly remarkable.

  Further, the present invention may be an electronic device including any one of the slide operation devices described above. Examples of the electronic device include an audio mixer, an illumination light amount adjustment device, and an electronic musical instrument. Further, the present invention may be specified as a slide type variable resistor.

It is a schematic block diagram of an audio mixer. It is a top view which shows a part of operation panel of an audio mixer. It is a top view of a fader. It is a side view of a fader. It is a disassembled perspective view of the fader of 1st Embodiment. It is the top view and side view of the mobile body 30 of 1st Embodiment. It is a top view of the moving body 30 of 1st Embodiment. It is a top view of the moving body 30 of 1st Embodiment. It is explanatory drawing of operation | movement of the moving body 30 of 1st Embodiment. It is the top view and side view of the mobile body 30 in the application example of 1st Embodiment. It is a disassembled perspective view of the fader of 2nd Embodiment. It is explanatory drawing of operation | movement of the moving body 30 of 2nd Embodiment. It is a top view of the moving body 30 of a modification. It is a top view of the moving body 30 of a modification. It is a top view of the moving body 30 of a modification. It is a top view of the moving body 30 of a modification. It is a top view of the moving body 30 of a modification. It is a top view of the moving body 30 of a modification.

<First Embodiment>
FIG. 1 is a configuration diagram of a main part of an audio mixer 100 including a slide operation device according to the first embodiment of the present invention. Hereinafter, the slide operation device is referred to as a “fader” in this specification. The audio mixer 100 is an analog mixer having N channels CH1 to CHN as input-side channels. For example, a vocal sound signal is input to the channel CH1, a piano sound signal is input to the channel CH2, and a guitar sound signal is input to the channel CHN.

  The audio mixer 100 can mix N sound signals input from outside by adjusting the volume and pan for each channel. For example, in the channel CH1 shown in the figure, the volume of the sound signal input to the input terminal 101 is adjusted by the level adjusting unit 102, and the left and right volume ratios in the stereo output are adjusted by the pan adjusting unit 103. Are output to the stereo bus line 104. Note that the fader 1 is used when the level adjustment unit 102 adjusts the volume. Each of channels CH2 to CHN has the same configuration as channel CH1. The left output and right output signals of each channel input to the stereo bus line 104 are output from the output terminal 106 after the balance adjustment unit 105 adjusts the left and right volume balance of the final stereo output.

  FIG. 2 is a plan view showing a part (fader section) of the operation panel 107 of the audio mixer 100. In the fader section of the operation panel 107, N long holes 109 that penetrate the operation panel 107 and extend in the vertical direction in the figure are formed. Each long hole 109 defines the sliding direction of a lever (not shown) to which the operation element 108 is attached in the vertical direction in the figure. The user can adjust the sound signal of the corresponding channel to an arbitrary volume by a manual operation of sliding the operation element 108 in the vertical direction (Y-axis direction) in FIG. 2 or by an automatic operation by driving a motor. In addition, N faders 1 are arranged in parallel on the back side of the operation panel 107 (inside the casing of the audio mixer 100).

  In the audio mixer 100 shown in FIG. 1, the number of channels on the output side may be plural, or an equalizer or a compressor may be added so that the sound quality can be adjusted for each channel. The fader 1 provided in the audio mixer 100 is not limited to a volume fader for adjusting the volume, and may be a pitch fader or a cross fader, for example. The audio mixer 100 is not limited to an analog mixer but may be a digital mixer.

  3 is a top view of the fader 1, FIG. 4 is a side view of the fader 1, and FIG. 5 is an exploded perspective view of the fader 1. As illustrated in FIGS. 3 to 5, the fader 1 includes an upper case 11 and a lower case 12, and the moving body 30 is accommodated in a space formed by the upper case 11. An operation element 108 is fixed to the moving body 30. The moving body 30 of the first embodiment moves in the Y-axis direction (first direction). In the following description, a direction (lateral direction) perpendicular to the Y-axis direction in a plane parallel to the upper surface of the upper case 11 is expressed as an X-axis direction, and a direction perpendicular to the XY plane (depth direction) is a Z-axis. Expressed as direction.

  The upper case 11 is formed of a metal member, and is formed on a plate-like upper surface portion 110 extending in the Y-axis direction and on the negative side (vertically downward) in the Z-axis direction from each peripheral edge of the upper surface portion 110. And a wall surface portion 112. A long hole 11 a extending in the Y-axis direction is formed in the upper surface portion 110 of the upper case 11. The lever 32 protrudes to the positive side in the Z-axis direction through the long hole 11a. As can be seen from FIG. 3, the moving direction of the moving body 30 is restricted to the positive side and the negative side in the Y-axis direction by the long hole 11a.

  The lower case 12 includes a flat plate-shaped holding portion 122 extending in the Y-axis direction, and a peripheral edge portion 124A extending from the negative edge in the X-axis direction to the positive side in the Z-axis direction among the peripheral edges of the holding portion 122. And a peripheral edge portion 124B extending from the peripheral edge on the positive side in the X-axis direction to the positive side in the Z-axis direction. The bottom surface of the moving body 30 faces the holding unit 122. As illustrated in FIG. 4, a motor 13 that is a power source of the fader 1 and a drive pulley 14 that is coupled to the rotating shaft 13 a of the motor 13 are provided below the holding unit 122. Further, a driven pulley 16 that rotates about the fixed shaft 15 is provided on the upper surface portion 110 of the upper case 11. As illustrated in FIG. 4, an annular belt 17 formed of a flexible material such as synthetic resin or rubber is stretched between the driving pulley 14 and the driven pulley 16 so as to be rotatable. Yes.

  Although not shown, a concave belt receiving portion is formed on the outer peripheral surface of the driving pulley 14 and the driven pulley 16, and in particular, an uneven gear is formed on the belt receiving portion of the driving pulley 14. Has been. Further, on the inner peripheral surface of the belt 17, concave and convex teeth that mesh with the gear of the drive pulley 14 are formed. One of the belts 17 meshes with the gear of the drive pulley 14, and the other is the belt receiver of the driven pulley 16. It is stretched in a state of being fitted to the part. 4, a belt guide 18 provided at the right end of the lower case 12 in the drawing is a guide member for changing the rotation direction of the belt 17 by 90 degrees, and although not shown, a concave belt receiving portion. Are provided.

  As illustrated in FIG. 5, the holding portion 122 is formed with an opening portion 12 </ b> A and an opening portion 12 </ b> B that extend in the Y-axis direction with a space therebetween in the X-axis direction. An insulating substrate 20 (an example of a bottom surface member of the present invention) is fixed to the upper surface side (the positive side in the Z-axis direction) of the holding portion 122. The insulating substrate 20 is an insulating flat plate that is long in the Y-axis direction. The insulating substrate 20 is formed with an opening 20A and an opening 20B extending in the Y-axis direction with a space therebetween in the X-axis direction. In a state where the insulating substrate 20 is fixed on the surface of the holding portion 122, the opening 20A and the opening 12A overlap each other in a plan view (that is, viewed from the Z-axis direction), and the opening 20B and the opening 12B are formed. They overlap each other in plan view. That is, the opening 20A and the opening 12A communicate with each other, and the opening 20B and the opening 12B communicate with each other.

  Two regions extending along the Y-axis direction are formed in the region between the opening 20A and the opening 20B on the surface of the insulating substrate 20 opposite to the holding portion 122 (the positive side in the Z-axis direction). Band-shaped resistance patterns 21A and 21B (resistors) are formed. The resistance patterns 21A and 21B are formed, for example, by screen printing a resin paste added with carbon powder or plating a resistance film. Note that terminals (not shown) to which the resistance pattern 21A and the resistance pattern 21B are connected are provided at the end of the insulating substrate 20.

  As illustrated in FIG. 5, the moving body 30 reciprocates between the negative side and the positive side in the Y-axis direction while being installed between the upper surface of the insulating substrate 20 and the bottom surface of the upper surface part 110. Specifically, the moving body 30 moves in the Y direction according to an operation from the user on the operation element 108, and also moves in the Y direction by driving by the motor 13. The moving direction of the moving body 30 can be switched between the negative side and the positive side in the Y-axis direction by changing the rotation direction of the belt 17.

  As illustrated in FIG. 5, the moving body 30 includes a movable member 31 and a lever 32. The movable member 31 slides on the surface of the insulating substrate 20 in the Y-axis direction while facing the surface on the upper side (positive side in the Z-axis direction) of the insulating substrate 20. The movable member 31 is fixed to the belt 17.

  FIG. 6 is a top view and a side view of the moving body 30. As illustrated in FIG. 6, the movable member 31 is a structure including an opposing surface 40, an operation surface 70, a first side surface 51, and a second side surface 52. The facing surface 40 is a negative surface of the movable member 31 in the Z-axis direction and faces the upper surface of the insulating substrate 20. In the first embodiment, a brush (slider) 33 is formed on the facing surface 40. The brush 33 is formed of, for example, an elastically deformable conductive metal thin plate, and is fixed to the facing surface 40 of the movable member 31 by a method such as caulking. The tip of the brush 33 is in contact with the two resistance patterns 21A and 21B formed on the upper surface of the insulating substrate 20. When the moving body 30 moves from the Y-axis direction positive side to the Y-axis direction negative side by a user's manual operation or driving of the motor 13, the contact position of the brush 33 with respect to the resistance patterns 21A and 21B changes, and between the terminals The resistance value (or voltage value) changes. Therefore, the user can adjust the volume, pitch, and the like of the acoustic signal to an arbitrary value by manually operating the operation element 108 or by instructing an automatic operation.

  The operation surface 70 is a surface opposite to the facing surface 40 and faces the bottom surface side of the upper surface portion 110 of the upper case 11. The lever 32 is installed on the operation surface 70 so as to protrude from the operation surface 70 to the positive side in the Z-axis direction, and is inserted into the long hole 11a. The operation element 108 is fixed to the tip of the lever 32. The first side surface 51 intersects with the peripheral edge on the negative side in the X-axis direction of the facing surface 40 and extends in the Y-axis direction. The second side surface 52 intersects the peripheral edge on the positive side in the X-axis direction of the facing surface 40 and extends in the Y-axis direction.

  FIG. 6 shows a negative end P1 and a positive end P2 in the Y-axis direction of the movable member 31 in plan view. As illustrated in FIG. 6, the movable member 31 includes a first inclined surface 61 and a second inclined surface 62 at each of the end portion P1 and the end portion P2. That is, the first inclined surface 61 is a surface that extends over the first side surface 51 at the end portion P1, and a surface that extends over the first side surface 51 at the end portion P2, and these first inclined surfaces 61 are in the Y-axis direction. Tilt. Similarly, the second inclined surface 62 is a surface extending to the second side surface 52 at the end portion P1, and a surface extending to the second side surface 52 at the end portion P2, and these second inclined surfaces 62 are in the Y-axis direction. Tilt.

  The shape of the movable member 31 exemplified in the first embodiment in a plan view (that is, viewed from a direction perpendicular to the facing surface 40) is line symmetric with respect to a center line L1 parallel to the X-axis direction, and in the Y-axis direction. It is line symmetric with respect to the parallel center line L2. In the following description, the negative portion of the movable member 31 as viewed from the center line L1 in the Y-axis direction will be described, and the description of the positive portion will be omitted.

  FIG. 7 is a top view of the moving body 30. As understood from FIG. 7, the first inclined surface 61 (specifically, the peripheral edge on the positive side in the Z-axis direction) extending from the negative side end portion P1 in the Y-axis direction and the first side surface 51 of the moving body 30 is An obtuse angle θ1 is formed with respect to the first side surface 51 (90 ° <θ1 <180 °). Similarly, the second inclined surface 62 (specifically, the peripheral edge on the positive side in the Z-axis direction) extending from the negative side end portion P 1 in the Y-axis direction and the second side surface 52 of the moving body 30 to the second side surface 52. On the other hand, an obtuse angle θ2 is formed (90 ° <θ2 <180 °). In the first embodiment, the moving body 30 is illustrated in which the angle θ3 formed by the first inclined surface 61 and the second inclined surface 62 is an acute angle (0 <θ3 <90 °). However, the angle θ3 may be an obtuse angle (90 ° <θ3 <180 °). The conditions of the first inclined surface 61 and the second inclined surface 62 can be restated as follows.

  FIG. 8 is a top view of the moving body 30. On the first inclined surface 61 on the end P1 side, when viewed from the direction perpendicular to the opposing surface 40 (Z-axis direction positive side), on the first inclined surface 61 (specifically, the peripheral edge on the Z-axis direction positive side). The distance A between the point Q (for example, any three different points Q1, Q2, and Q3) and the plane 53 including the first side surface 51 (the distances corresponding to the Q1, Q2, and Q3 are A1 and A1, respectively). , A2, A3) is formed so as to decrease from the end P1 toward the Y axis direction positive side. Specifically, as illustrated in FIG. 8, the distance A1, the distance A2, and the distance A3 decrease from the Y axis direction negative side toward the Y axis direction positive side (A1> A2> A3). Similarly, the second inclined surface 62 on the end P1 side also has the second inclined surface 62 (specifically, the peripheral edge on the Z axis direction positive side) when viewed from the direction perpendicular to the facing surface 40 (Z axis direction positive side). ) A point B (for example, assuming three different points Q4, Q5, Q6 different from each other) and a plane B including the second side surface 52 (the distance corresponding to Q4, Q5, Q6) B1, B2, and B3 are formed so as to decrease from the end P1 on the Y axis direction negative side toward the Y axis direction positive side (B1> B2> B3). The same applies to the first inclined surface 61 and the second inclined surface 62 on the end P2 side. However, the direction in which the distance A is decreased is reversed, and the distance A decreases toward the Y axis direction negative side. In summary, the inclined surfaces (the first inclined surface 61 and the second inclined surface 62) of the movable member 31 are at one end portion (for example, the end portion P1) and on the other side (in this case, the end portion P2 side). The distance A is formed so as to decrease toward.

  FIG. 9 is a plan view showing the relationship between the moving body 30, the lower case 12, and the insulating substrate 20 described above. As illustrated in FIG. 9, the insulating substrate 20 is formed with an opening 20A and an opening 20B on opposite sides of the center line L2 of the moving body 30 extending in the Y-axis direction. 12 holding portions 122 are formed with an opening 12A and an opening 12B on opposite sides of the center line L2. Specifically, an opening 20A and an opening 12A are formed at a position closer to the peripheral edge 124A than the center line L2 in the X-axis direction (closer to the first side surface 51 of the moving body 30 in plan view) than the center line L2. Also, the opening 20B and the opening 12B are formed at a position close to the peripheral edge 124B (close to the second side surface 52).

  As described above, the first inclined surface 61 that is inclined with respect to the Y-axis direction so as to form an obtuse angle θ1 with respect to the first side surface 51 is formed on the movable member 31 of the moving body 30. Therefore, when the moving body 30 moves to the negative side in the Y-axis direction, the dust D on the surface of the insulating substrate 20 is illustrated by solid line arrows (arrows on the X-axis direction negative side with respect to the center line L2) in FIG. As a result, the first side surface 51 moves along the first inclined surface 61. That is, the dust D on the surface of the insulating substrate 20 (bottom surface member) is scraped out by the first inclined surface 61. Therefore, there is an effect that dust accumulation on the surface of the insulating substrate 20 is suppressed. In the first embodiment, in particular, since the opening 20A along the first side surface 51 is formed in the insulating substrate 20, the dust D moved to the first side surface 51 side along the first inclined surface 61 is removed from the opening 20A (and It is discharged to the outside through the opening 12A). Therefore, the above-described effect that the accumulation of dust D can be suppressed is particularly remarkable.

  In the above configuration, the second inclined surface 62 extending from the end P1 to the second side surface 52 is formed on the opposite side of the first inclined surface 61 across the center line L2. Therefore, when the moving body 30 moves to the negative side in the Y axis direction, the dust D on the surface of the insulating substrate 20 is as illustrated by an arrow in FIG. 9 (an arrow on the positive side in the X axis direction with respect to the center line L2). The second side surface 52 moves along the second inclined surface 62. That is, dust D on the surface of the insulating substrate 20 is dispersed in two places (two directions). Therefore, there is an effect that the dust D on the surface of the insulating substrate 20 can be efficiently removed as compared with the configuration in which the dust D is discharged to the first side surface 51 side using only the first inclined surface 61. Particularly in the first embodiment, an opening 20B along the second side surface 52 is formed in the insulating substrate 20 in addition to the opening 20A along the first side surface 51. Therefore, the dust D moved to the first side surface 51 side along the first inclined surface 61 is discharged to the outside from the opening 20A (and the opening 12A), and the second side surface 52 along the second inclined surface 62. The dust D moved to the side is discharged to the outside from the opening 20B (and the opening 12B). Therefore, for example, there is an advantage that accumulation of dust D can be effectively suppressed as compared with a configuration in which only one opening 20A is formed.

  In the above configuration, the movable member 31 is formed in a symmetric shape with respect to the center line L 1 when viewed from the direction perpendicular to the facing surface 40. That is, the first inclined surface 61 and the second inclined surface 62 are formed on both the Y axis direction negative side and the Y axis direction positive side with respect to the center line L1. According to the above configuration, even when the moving body 30 moves to either the negative side or the positive side in the Y-axis direction, the dust D on the surface of the insulating substrate 20 moves along the first inclined surface 61 on the first side surface 51 side. And move toward the second side surface 52 along the second inclined surface 62. Therefore, compared to the configuration in which the first inclined surface 61 and the second inclined surface 62 are formed only on one side in the Y-axis direction, the accumulation of dust D on the surface of the insulating substrate 20 is more effectively suppressed. There is an effect.

  In the first embodiment, as illustrated in FIG. 6, a brush (slider) 33 is fixed to the facing surface 40 of the movable member 31, and the tip of the brush 33 is the resistance pattern 21 </ b> A on the upper surface of the insulating substrate 20. Since it is configured to come into contact with 21B, a gap Q corresponding to the height of the brush 33 is generated between the facing surface 40 and the upper surface of the insulating substrate 20 (bottom surface member). Therefore, it is difficult to eliminate dust smaller than the gap Q. Therefore, the movable member 31 may be configured as shown in FIG.

  A recess 34 is formed in the facing surface 40 of the movable member 31 in FIG. The recess 34 is a recess having a bottom surface 35 located on the positive side in the Z-axis direction as compared with the facing surface 40. The brush 33 is accommodated in the recess 34 while being fixed to the bottom surface 35. In the above configuration, since the brush 33 is housed in the recess 34, the distance Q between the facing surface 40 and the upper surface of the insulating substrate 20 is reduced as compared with a configuration in which the recess 34 is not formed on the facing surface 40 of the movable member 31. Is done. For example, the facing surface 40 and the insulating substrate 20 can be in close contact (Q = 0). Therefore, it is possible to achieve an effect that dust smaller than the gap Q is effectively discharged.

Second Embodiment
A second embodiment of the present invention will be described below. In the first embodiment, the insulating substrate 20 is arranged on the opposite surface 40 (Z-axis direction negative side) side of the movable member 31, but in the second embodiment, the operation surface 70 side (Z-axis side) of the movable member 31. The insulating substrate 20 is disposed on the positive side. In addition, in each form illustrated below, about the element which an effect | action and a function are the same as 1st Embodiment, the code | symbol used by description of 1st Embodiment is diverted, and each detailed description is abbreviate | omitted suitably. .

  FIG. 11 is an exploded perspective view of the fader 1 in the second embodiment. As illustrated in FIG. 11, in the second embodiment, the insulating substrate 20 is disposed between the upper case 11 and the moving body 30. The insulating substrate 20 is fitted and fixed in a space formed by the upper surface portion 110 and the wall surface portion 112.

  In the insulating substrate 20 of the second embodiment, an opening 20a extending in the Y-axis direction is formed. In a state where the insulating substrate 20 is fixed to the upper case 11, the long hole 11a and the opening 20a overlap each other in a plan view (that is, viewed from the Z-axis direction), and the long hole 11a and the opening 20a communicate with each other. The lever 32 of the moving body 30 projects to the positive side in the Z-axis direction through the long hole 11a and the opening 20a. The moving direction of the moving body 30 is regulated in the Y-axis direction by the long hole 11a and the opening 20a. In addition, on the surface of the insulating substrate 20 on the lower side (negative side in the Z-axis direction), two strip-shaped resistance patterns 21A extending along the Y-axis direction on the positive side in the X-axis direction from the opening 20a. , 21B are formed.

  The moving body 30 is disposed such that the facing surface 40 of the movable member 31 faces the holding portion 122 (an example of the bottom surface member of the present invention) of the lower case 12. In the second embodiment, the brush 33 is fixed to the operation surface 70 of the moving body 30. The tip of the brush 33 is in contact with the two resistance patterns 21 </ b> A and 21 </ b> B formed on the bottom surface of the insulating substrate 20. That is, in the first embodiment, the brush 33 is in contact with the resistance patterns 21A and 21B from the positive side in the Z-axis direction, whereas in the second embodiment, the brush 33 is connected to the resistance pattern 21A from the negative side in the Z-axis direction. , 21B.

  As in the first embodiment, the holding portion 122 is formed with an opening 12A and an opening 12B so as to extend in the Y-axis direction with a space therebetween in the X-axis direction. An opening 12A is formed at a position closer to the peripheral edge 124A than the center line L2 in the X-axis direction (close to the first side surface 51 of the moving body 30 in plan view), and a position closer to the peripheral edge 124B than the center line (second An opening 12B is formed on the side 52).

  In the above configuration, as the moving body 30 moves, the dust D on the surface of the holding portion 122 moves along the first inclined surface 61 and the second inclined surface 62 and is discharged to the outside from the openings 12A and 12B. The That is, also in the second embodiment, the effect that the accumulation of dust D can be suppressed is realized as in the first embodiment. In the second embodiment, the brush 33 fixed to the operation surface 70 of the movable member 31 contacts the resistance patterns 21A and 21B from the negative side in the Z-axis direction. That is, since the sliding surface between the brush 33 and the resistance patterns 21A and 21B is directed vertically downward (on the negative side in the Z-axis direction), dust does not accumulate on the sliding surfaces between the brush 33 and the resistance patterns 21A and 21B. . Accordingly, it is possible to suppress contact failure between the brush 33 and the resistance patterns 21A and 21B, deformation / breakage of the brush 33, and the like. Here, as can be understood from the illustrations of the first embodiment and the second embodiment, the insulating substrate 20 of the first embodiment and the holding portion 122 of the lower case 12 of the second embodiment are opposed to the opposing surface of the movable member 31 ( The bottom surface) is comprehensively expressed as a bottom surface member facing the bottom surface 40. Note that the holding unit 122 in the first embodiment and the holding unit 122 in the second embodiment have the same names and symbols for convenience.

<Modification>
Each aspect illustrated above can be variously modified. Specific modifications are exemplified below. Two or more modes arbitrarily selected from the following examples can be appropriately combined within a range that does not contradict each other.

(1) The shape of the movable member 31 is not limited to the illustration of each form mentioned above. For example, the movable member 31 having the shape illustrated in FIGS. 12 to 18 can be employed. The same effects as those of the first embodiment are also realized by the configurations of FIGS.

(1A) The movable member 31 illustrated in FIG. 12 includes end surfaces 63 parallel to the XZ plane on the positive side and the negative side in the Y-axis direction. The first inclined surface 61 is formed so as to extend from the end surface 63 to the end portion P1a positioned on the negative side in the X-axis direction and the first side surface 51, and the end portion positioned on the positive side of the end surface 63 in the X-axis direction. A second inclined surface 62 is formed to extend across P1b and the second side surface 52. In the configuration of FIG. 12, the dust D on the surface of the insulating substrate 20 is dispersed in two directions by the first inclined surface 61 and the end surface 63, and is scraped to the first side surface 51 side and the X axis direction positive side. Thus, it is dispersed in two directions by the second inclined surface 62 and the end surface 63, and is scraped to the second side surface 52 side and the X-axis direction negative side. According to the above configuration, the first inclined surface 61 and the end surface 63 disperse dust in two directions, and the second inclined surface 62 and the end surface 63 disperse dust in two directions. Compared with the configuration in which the dust is dispersed only in two directions by the surface 61 and the second inclined surface, the dust is dispersed in multiple directions. Therefore, there is an effect that dust accumulation on the surface of the insulating substrate 20 (bottom member) is effectively suppressed. As understood from the illustration of FIG. 12, the movable member 31 can include a surface perpendicular to the Y-axis direction in addition to the inclined surfaces (the first inclined surface 61 and the second inclined surface 62) with respect to the Y-axis direction.

(1B) The first inclined surface 61 of the movable member 31 illustrated in FIG. 13 is a curved surface that continues from the end portion P 1 to the first side surface 51. Similarly, the second inclined surface 62 is a curved surface that continues from the end portion P 1 to the second side surface 52. Specifically, the first inclined surface 61 and the second inclined surface 62 in FIG. 13 are convex circular arc surfaces (peripheral surfaces of a cylinder) in plan view. Moreover, the 1st inclined surface 61 and the 2nd inclined surface 62 of the moving body 30 illustrated by FIG. 14 are concave circular arc surfaces (inner peripheral surface of a circular pipe). As understood from the illustrations of FIGS. 13 and 14, the first inclined surface 61 and the second inclined surface 62 are not limited to planes.

(1C) The first inclined surface 61 of the movable member 31 illustrated in FIG. 15 is divided into a first region 61A and a second region 61B. The first region 61A is a curved region located on the first side surface 51 side, and the second region 61B is a planar region located on the end P1 side. Similarly, the second inclined surface 62 includes a curved first region 62A on the second side surface 52 side and a planar second region 62B on the end P1 side. As will be understood from the illustration of FIG. 15, the first inclined surface 61 and the second inclined surface 62 may include a plurality of regions having different shapes.

As is understood from the illustrations of FIGS. 12 to 15, the first inclined surface 61 extends from the end portion P1 in the Y-axis direction (P1a in FIG. 12) to the first side surface 51 and is inclined with respect to the Y-axis direction. And at least one of the following first condition and second condition described above with reference to FIGS. 7 and 8 is satisfied. In the above description, attention is paid to the first inclined surface 61, but the same applies to the second inclined surface 62.
First condition: obtuse angle θ1 with respect to the first side surface 51 Second condition: The distance A from the plane 53 including the first side surface 51 decreases toward the positive side in the Y-axis direction.

(1D) In each of the above-described embodiments, the movable member 31 having a symmetrical shape (line symmetry, plane symmetry) with respect to the center line L1 and the center line L2 in the plan view is illustrated, but for example, as illustrated in FIG. A movable member 31 having a point-symmetric shape with respect to the intersection (center of gravity) between the line L1 and the center line L2 can also be employed. In each of the above-described embodiments, the movable member having a symmetrical shape (ie, a shape including the first inclined surface 61 and the second inclined surface 62) with respect to the center line L1 and the center line L2 in plan view (that is, a shape including the first inclined surface 61 and the second inclined surface 62). However, the movable member 31 having a shape including only the first inclined surface 61 (a shape in which the second inclined surface 62 is omitted and is asymmetric with respect to the center line L2) is also employed as illustrated in FIG. Can be done. Further, as illustrated in FIG. 18, the movable member 31 having a shape in which the first inclined surface 61 and the second inclined surface 62 are formed only on one side with the center line L1 as a reference may be employed. Specifically, as illustrated in FIG. 18, the movable member 31 having a shape in which the first inclined surface 61 and the second inclined surface 62 are formed only on one side (for example, the Y axis direction negative side) with respect to the center line L1. Alternatively, a movable member 31 (not shown) having a shape in which the first inclined surface 61 and the second inclined surface 62 are formed only on one side (Y axis direction positive side) with respect to the center line L1 may be employed. As understood from the above examples, the symmetry of the shape of the movable member 31 is not an essential requirement. For example, the first inclined surface 61 is formed on the Y axis direction negative side with respect to the center line L1, while the first inclined surface 61 and the second inclined surface 62 are not formed on the Y axis direction positive side. The first inclined surface 61 and the second inclined surface 62 may be formed on the Y axis direction negative side, while only the first inclined surface 61 may be formed on the Y axis direction positive side.

(2) In each of the above embodiments, the resistance patterns 21A and 21B are formed on the insulating substrate 20 separate from the upper case 11 and the lower case 12, but the resistance patterns 21A and 21B are formed on the upper case 11 and the lower case 12. It is also possible. For example, a configuration in which the resistance patterns 21A and 21B are formed in the holding portion 122 of the lower case 12 arranged on the negative side in the Z-axis direction with respect to the moving body 30, or arranged on the positive side in the Z-axis direction relative to the moving body 30 A configuration in which the resistance patterns 21A and 21B are formed on the bottom surface (surface on the negative side in the Z-axis direction) of the upper surface portion 110 of the upper case 11 that has been formed can also be suitably employed. The above-described effects can also be achieved by the above configuration.

(3) The slide operation device according to the present invention may be mounted on an electronic device other than the audio mixer. For example, the slide operation device according to the present invention may be mounted on an electronic musical instrument such as an electronic piano or an electronic organ so that the volume, pitch, etc. can be changed continuously. In addition, the slide operation device according to the present invention may be mounted on an illumination light amount adjustment device so that the brightness of the illumination can be changed continuously. Further, the number of slide operation devices mounted on these electronic devices is not limited to a plurality and may be one or more.

DESCRIPTION OF SYMBOLS 1 ... Fader, 11 ... Upper case, 11a ... Long hole, 12 ... Lower case, 12A-12B ... Opening part, 13 ... Motor, 13a ... Rotating shaft, 14 ... Drive pulley, 15 ... Fixed shaft, 16 ... Drive pulley, DESCRIPTION OF SYMBOLS 17 ... Belt, 18 ... Belt guide, 20 ... Insulating substrate, 20a ... Opening, 20A-20B ... Opening, 21A-21B ... Resistance pattern, 30 ... Moving body, 31 ... Movable member, 32 ... Lever, 33 ... Brush , 34 ... concave portion, 35 ... bottom surface, 40 ... opposing surface, 51 ... first side surface, 52 ... second side surface, 53-54 ... flat surface, 61 ... first inclined surface, 62 ... second inclined surface, 61A ... first. Area 61A, 61B ... 2nd area, 62A ... 1st area, 62B ... 2nd area, 63 ... End surface, 70 ... Operation surface, P1-P2 ... End part, 110 ... Upper surface part, 112 ... Wall part, 122 ... Holding Part, 124A ... peripheral part, 124B ... peripheral part.

Claims (5)

A resistor extending in one direction;
A bottom member extending in the one direction;
A movable member that moves in the one direction facing the bottom member;
A slider provided on the movable member so as to contact the resistor,
The movable member includes a facing surface that faces the bottom surface member, a side surface that intersects the facing surface and extends in the one direction, and an inclination over the side surface at one end in the one direction. Including a surface,
The slide operation device, wherein the inclined surface is inclined with respect to the one direction so as to form an obtuse angle with respect to the side surface. A resistor extending in one direction;
A bottom member extending in the one direction;
A movable member that moves in the one direction facing the bottom member;
A slider provided on the movable member so as to contact the resistor,
The movable member includes a facing surface that faces the bottom surface member, a side surface that intersects the facing surface and extends in the one direction, and an inclination over the side surface at one end in the one direction. Including a surface,
The inclined operation device is formed so that a distance between a point on the inclined surface and a plane including the side surface decreases from the end toward the other side in the one direction. The slide operation device according to claim 1, wherein the bottom surface member is formed with an opening extending in the one direction along a side surface of the movable member. The movable member crosses the opposite surface on the side opposite to the side surface and extends in the one direction, and the other side surface at one end in the one direction. Including other inclined surfaces,
The slide operation device according to claim 1, wherein the other inclined surface is inclined with respect to the one direction so as to form an obtuse angle with respect to the other side surface. The slide operation device according to any one of claims 1 to 4, wherein the movable member is formed in a symmetrical shape with respect to the one direction when viewed from a direction perpendicular to the facing surface.

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