WO2017013735A1 - 操作装置 - Google Patents
操作装置 Download PDFInfo
- Publication number
- WO2017013735A1 WO2017013735A1 PCT/JP2015/070682 JP2015070682W WO2017013735A1 WO 2017013735 A1 WO2017013735 A1 WO 2017013735A1 JP 2015070682 W JP2015070682 W JP 2015070682W WO 2017013735 A1 WO2017013735 A1 WO 2017013735A1
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- WO
- WIPO (PCT)
- Prior art keywords
- unit
- elastic
- movable
- pressing
- adjustment
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/186—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions with reciprocation along the axis of oscillation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/183—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions conveying only reciprocating motion, e.g. wedges
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons
- G05G1/025—Controlling members for hand actuation by linear movement, e.g. push buttons actuated by sliding movement
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/04—Stops for limiting movement of members, e.g. adjustable stop
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
- G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/46—Volume control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/02—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
- H04H60/04—Studio equipment; Interconnection of studios
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G2505/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
Definitions
- the present invention relates to an operating device.
- Patent Documents 1 and 2 Conventionally, in an operation device used for a fader or the like, a configuration for adjusting an operation load of a movable part is known (for example, see Patent Documents 1 and 2).
- Patent Document 1 includes a mover that can slide along a guide shaft, and an adjustment device that adjusts the sliding torque of the mover.
- the adjusting device includes a U-shaped spring means provided at the lower end of the mover, a buffer means provided on the inner wall of one free end of the spring means, and an adjusting screw for connecting a pair of free ends of the spring means. And.
- the sliding torque of the mover is adjusted by adjusting the distance between the free ends of the spring means by rotating the adjusting screw and adjusting the frictional force between the buffer means and the guide shaft.
- Patent Document 2 includes a slide member that can slide along the first shaft.
- the slide member is provided with a plate spring that presses the slide member against the first shaft, and a cam that adjusts the pressing force of the plate spring according to the rotation.
- the sliding torque of the slide member is adjusted by adjusting the pressing force of the leaf spring by the rotation of the cam and adjusting the pressing force of the slide member with respect to the first shaft.
- an operating device (particularly a crossfader) used for a DJ device is required to be able to operate a movable part quickly, unlike an operating device for an audio device such as a fader used in a mixing console. Therefore, it is important to reduce the weight of the movable part so that the movable part can be operated quickly.
- the sliding torque adjustment mechanism is provided in the movable part (movable element, slide member), it is difficult to reduce the weight of the movable part.
- there is an individual difference in the operational feeling of the operating device and there is a desire to perform an operation with a certain load. Therefore, the sliding torque adjusting mechanism cannot be eliminated. Therefore, with the configurations of Patent Documents 1 and 2, it is difficult to provide an operating device that can be operated quickly while having an operation load adjustment function.
- An object of the present invention is to provide an operating device and a fader that can be operated quickly and can adjust the operating load.
- the invention according to claim 1 includes a fixed portion, a movable portion that moves in a predetermined direction within a predetermined range, and a load adjustment portion that adjusts a moving load of the movable portion, wherein the movable portion is elastically deformed.
- An elastic portion is provided, and the load adjustment portion is provided on the fixed portion, and includes a pressing portion that presses the elastic portion in a direction orthogonal to the moving direction of the movable portion. It is an operating device.
- the invention according to claim 7 is a fader comprising the operating device according to any one of claims 1 to 6.
- the perspective view of the operating device which concerns on one Embodiment of this invention.
- the controller device 1 includes a fixed portion 2, a movable portion 3, and a load adjusting portion 4.
- the fixed part 2 includes a box-shaped case 21 and a guide part 26.
- the case 21 includes a main body portion 22 and a lid portion 25.
- the main body 22 is made of, for example, plastic or metal that does not deform.
- the main body portion 22 is formed in a box shape whose back side is opened by a front portion 221, an upper surface portion 222, a bottom surface portion 223, and a pair of side surface portions 224.
- a cylindrical portion 225 is provided at the center in the left-right direction of the front portion 221.
- the cylindrical portion 225 protrudes in a cylindrical shape from the front portion 221 toward the outside of the case 21 and is provided so as to communicate the inside and the outside of the case 21.
- Two locking holes 226 are provided side by side on the upper side of the cylindrical portion 225. Between the two locking holes 226, two shaft insertion holes 227 are provided side by side on the left and right.
- a locking portion 631, two first support grooves 229 (only one shown), and two second support grooves 230 (only one shown) are provided on the back surface of the front portion 221. Yes.
- the locking part 631 is provided so as to protrude from the lower side of the opening of the cylindrical part 225 to the back side.
- the first support groove 229 and the second support groove 230 are provided on the back side with respect to the locking portion 631.
- the first support groove 229 is formed in a C shape with an open rear side, and is provided on the upper side on both the left and right sides of the front portion 221.
- the second support groove 230 is formed in a shape substantially equal to the first support groove 229 and is provided below the first support groove 229.
- the upper surface portion 222 is provided with a notch portion 231 that is notched in a rectangular shape on the front surface portion 221 side.
- a through hole 232 is provided at a position corresponding to the shaft insertion hole 227 in the upper surface portion 222.
- the lid portion 25 is formed in a shape capable of closing the opening of the main body portion 22 with, for example, plastic or metal that does not deform.
- a protrusion 251 that can be fitted into the notch 231 of the main body 22 is provided on the upper portion of the lid 25.
- the protrusion 251 is formed in a shape in which the length in the protrusion direction is shorter than the depth of the notch in the notch 231.
- the guide unit 26 includes a first shaft 261 and a second shaft 262. Both ends of the first shaft 261 are fixed to the case 21 by being sandwiched between the first support groove 229 and the screws 263 attached to the front portion 221. Similarly to the first shaft 261, the second shaft 262 is also fixed to the case 21 by sandwiching the second support groove 230 and the screw 264.
- the movable portion 3 is formed in a cross shape, for example, of plastic or metal that does not deform. Specifically, the movable part 3 extends downward from the central part 31, a central part 31 provided with a circular mounting hole 311, two side protruding parts 32 that protrude left and right from the central part 31, respectively. A downward projecting portion 33 and an upward projecting portion 34 extending upward from the central portion 31 are provided. Bearing holes 321 through which the first shaft 261 is inserted are respectively provided on the front ends in the protruding direction of the two side protruding portions 32. For example, a resin bush 322 (see FIG. 4) is fitted in the bearing hole 321.
- the bush 322 has an inner diameter slightly larger than the diameter of the first shaft 261, and is configured so that little frictional force is generated between the bush 322 and the first shaft 261.
- a bearing groove 331 is provided at the leading end of the downward projecting portion 33 in the projecting direction.
- the bearing groove 331 is formed in a C shape with an opening at the bottom, and is configured such that a slight gap is formed between the bearing groove 331 and the second shaft 262 disposed inside.
- the upper protruding portion 34 is formed in a shape that protrudes from the slit 211 when the movable portion 3 is fixed to the fixed portion 2.
- the upward projecting portion 34 is provided with a mounting portion 35 extending upward.
- An operation knob (not shown) is attached to the attachment portion 35.
- the movable portion 3 is provided with an elastic portion 36 that can be elastically deformed.
- the elastic part 36 includes an elastic member 361 and a non-elastic member 362.
- the elastic member 361 is formed in a substantially cylindrical shape by, for example, rubber that can be elastically deformed, and is configured to be fitted into the mounting hole 311.
- the non-elastic member 362 is formed in a cylindrical shape whose front end is closed by, for example, plastic that cannot be elastically deformed.
- the non-elastic member 362 is fitted into the elastic member 361 and is provided so that the front end side of the non-elastic member 362 protrudes from the elastic member 361.
- the load adjusting unit 4 is provided in the fixed unit 2.
- the load adjustment unit 4 includes a pressing unit 5 and an adjustment operation unit 6.
- the pressing part 5 includes a holding member 51 and a contact member 52.
- the holding member 51 includes a plate-like portion 511 having a rectangular plate shape. On one surface of the plate-like portion 511, two engaging portions 512, two shaft portions 513, and two contact projecting portions 514 are provided.
- the engaging portions 512 are provided at both ends of the plate-like portion 511 in the longitudinal direction.
- the engaging portion 512 is formed in a rod shape with a claw portion 515 provided at the tip.
- the shaft portion 513 is formed in a columnar shape, and is provided side by side between the engagement portions 512.
- the contact protrusion 514 is provided so as to extend from the base end of the shaft portion 513 to the engagement portion 512 side.
- the contact member 52 is formed in a thin plate shape by felt, for example, and is attached to the other surface of the holding member 51.
- the abutting member 52 is configured to abut against the inelastic member 362 of the elastic portion 36 and to apply a frictional force to the inelastic member 362.
- the adjustment operation unit 6 includes a rotation operation unit 61, two conversion units 62, and a rotation restriction unit 63.
- the rotation operation unit 61 includes a first gear 611.
- a concave portion 612 is provided on one surface of the first gear 611.
- the recess 612 is formed in a circular shape concentric with the first gear 611.
- a knob mounting portion 613 protruding in a cylindrical shape is provided.
- the knob mounting portion 613 is configured to be able to be inserted into the cylindrical portion 225 and to have a tip protruding from the cylindrical portion 225, and an adjustment knob 614 provided with an instruction line 615 can be attached to the protruding portion. ing.
- the adjustment knob 614 is provided so as to be exposed to the outside of the fader when the operation device 1 is incorporated in the fader as a finished product.
- the recessed portion 612 is provided with one locked portion 632 extending from the proximal end of the knob mounting portion 613 to the radially outer side of the first gear 611.
- the conversion unit 62 includes a second gear 621.
- a shaft insertion hole 622 into which the shaft portion 513 can be inserted is provided at the center of the second gear 621.
- a pressing force adjustment protrusion 623 is provided on one surface of the second gear 621.
- the pressing force adjustment protrusion 623 is formed in a dominant arc shape along the circumferential direction of the second gear 621.
- the pressing force adjustment protrusion 623 is inclined so as to be separated from one surface of the second gear 621 from the bottom 624 that is one end in the circumferential direction toward the top 625 that is the other end.
- the rotation restricting portion 63 includes a locking portion 631 provided in the main body portion 22 and a locked portion 632 provided in the first gear 611.
- the rotation operation part 61 and the conversion part 62 are attached to the main-body part 22 as follows.
- the order of attaching the rotation operation unit 61 and the conversion unit 62 may be either.
- the knob attachment part 613 is inserted into the cylindrical part 225 so that the locking part 631 is positioned in the recess 612 of the first gear 611.
- the intermediate member 616, the spring 617, and the operation part attachment member 618 are arranged on the other surface side of the first gear 611, and a screw 619 penetrating the operation part attachment member 618 is attached to the main body part 22. .
- the rotation operation unit 61 rotates within a range where the locking portion 631 and the locked portion 632 do not contact each other, and rotates when the locking portion 631 and the locked portion 632 contact each other. Is held by the main body portion 22 so as to be regulated. That is, the rotation angle of the rotation operation unit 61 is regulated to less than 360 ° by the rotation regulation unit 63. Further, in this held state, the rotation operation portion 61 is pressed against the front portion 221 by the urging force of the spring 617.
- the shaft part 513 of the holding member 51 is inserted into the shaft insertion hole 622 of the second gear 621.
- the engaging portion 512 and the shaft portion 513 are inserted into the locking hole 226 and the shaft insertion hole 227 of the main body portion 22 respectively so that the second gear 621 is engaged with the first gear 611.
- the claw portion 515 of the engaging portion 512 is locked at the periphery of the locking hole 226, so that it is prevented from being detached from the main body portion 22. it can.
- the spring 516 is inserted through the shaft portion 513 protruding from the front portion 221, and then the pressed member 517 and the retaining member 518 are inserted while elastically deforming the tip of the shaft portion 513.
- the pressed member 517 and the retaining member 518 are positioned at the constricted portion provided on the distal end side of the shaft portion 513, and the shaft portion 513 is suppressed from coming out of the shaft insertion hole 227.
- the spring 516 biases the pressed member 517 to the outside of the main body portion 22, and the holding member 51 is pressed against the second gear 621 by this biasing. As a result, a state in which a part of the pressing force adjusting protrusion 623 of the second gear 621 is in contact with the abutting protrusion 514 of the holding member 51 is always maintained.
- the adjustment mechanism employs a swash plate cam mechanism, and rotates the adjustment knob 614 and rotates the pressing force adjustment protrusion 623 that is a rotary swash plate connected to the adjustment knob 614 to make contact.
- the member 52 is reciprocated in parallel with the rotation axis of the adjustment knob 614. For example, in a state where the adjustment knob 614 is restricted from rotating leftward (counterclockwise) by the contact between the locking portion 631 and the locked portion 632, the upper side of FIG.
- the holding member 51 is pressed against the second gear 621 by the bias of the spring 516, the bottom portion 624 of the pressing force adjusting projection 623 and the abutting protrusion 514 of the retaining member 51 abut, and the abutting member 52 is away from the elastic portion 36.
- the pressing force to the back side with respect to the movable part 3 does not act, and the bush 322 is not pressed against the first shaft 261.
- almost no frictional force is generated between the bush 322 and the first shaft 261, and there is almost no operation load on the movable part 3.
- the elastic member 361 of the elastic portion 36 is elastically deformed to relieve the pressing force, and the bush 322 of the movable portion 3 is pressed against the first shaft 261 by the relieved pressing force.
- a frictional force corresponding to this pressing force is generated between the bush 322 and the first shaft 261, and a moving load of the movable portion 3 is generated.
- the adjustment knob 614 is rotated in the clockwise direction, the moving load of the movable portion 3 increases, and the adjustment knob 614 is rotated in the clockwise direction by the contact between the locking portion 631 and the locked portion 632.
- the rotation is restricted, the top portion 625 of the pressing force adjustment protrusion 623 and the contact protrusion 514 of the holding member 51 come into contact with each other.
- the moving load of the movable part 3 is maximized.
- the adjustment knob 614 is rotated in the counterclockwise direction, the moving load of the movable portion 3 is reduced.
- the load adjusting unit 4 of the controller device 1 includes the pressing unit 5 provided in the fixed unit 2.
- the pressing portion 5 applies a movement load to the movable portion 3 by pressing the elastic portion 36 provided in the movable portion 3 in a direction orthogonal to the moving direction of the movable portion 3.
- the elastic portion 36 is provided in the movable portion 3
- the pressing portion 5 having a complicated configuration is provided in the fixed portion 2.
- the weight of the movable part 3 can be reduced.
- the pressing portion 5 presses the elastic portion 36
- the movable portion 3 is pressed against the guide portion 26 with a pressing force relieved by the elastic deformation of the elastic portion 36.
- the press part 5 presses the structure which does not elastically deform
- the configuration in which the pressing portion 5 is provided in the fixed portion 2 can increase the degree of freedom of arrangement and structural design of the pressing portion 5, and the amount of movement of the pressing portion 5 by the load adjusting portion 4 is set large.
- the elastic deformation amount of the elastic part 36 can be sufficiently ensured. For this reason, a material with a low elastic coefficient can be used for the elastic member 361 of the elastic part 36, and it becomes easy to finely adjust the operation load.
- the moving direction of the movable portion 3 and the pressing direction of the pressing portion 5 are orthogonal does not mean that the angle formed by these directions is exactly 90 °, but allows a slight deviation from 90 °. To do.
- the load adjustment unit 4 includes an adjustment operation unit 6 that can perform an operation of moving the pressing unit 5 forward and backward with respect to the elastic unit 36. For this reason, the operation load can be finely adjusted easily and quickly without using a separate member from the operation device 1 such as a driver.
- the operation knob 614 is provided so as to be exposed to the outside of the fader as a finished product, the user can adjust the operation load while operating the movable part 3, and the operation load can be adjusted to personal preference. Can be fine-tuned easily.
- the adjustment operation unit 6 includes a conversion unit 62 that converts the rotation motion of the rotation operation unit 61 into a linear motion and moves the pressing unit 5 forward and backward, and a rotation restriction unit that restricts the rotation angle of the rotation operation unit 61 to less than 360 °. 63.
- a conversion unit 62 that converts the rotation motion of the rotation operation unit 61 into a linear motion and moves the pressing unit 5 forward and backward
- a rotation restriction unit that restricts the rotation angle of the rotation operation unit 61 to less than 360 °. 63.
- the adjustment operation unit 6 transmits a pressing force to the pressing unit 5 from each position corresponding to the two conversion units 62.
- the contact member 52 may be inclined.
- the contact member 52 can be prevented from being inclined.
- the elastic part 36 is constituted by an elastic member 361 provided in the movable part 3 and a non-elastic member 362 provided in the elastic member 361 and in contact with the pressing part 5. Since the non-elastic member 362 harder than the elastic member 361 is in contact with the pressing portion 5 as described above, the non-elastic member 362 and the pressing portion 5 are moved when the movable portion 3 is moved as compared with the configuration in which the elastic member 361 is in contact with the pressing portion 5. The elastic part 36 can be prevented from being damaged by the frictional force generated between the two.
- the elastic member 361 is made of rubber that can be elastically deformed, the contact portion of the elastic member 361 with the movable portion 3 and the contact portion of the non-elastic member 362 can be brought into close contact with each other. Therefore, it is possible to suppress the displacement of the elastic member 361 relative to the movable portion 3 and the displacement of the non-elastic member 362 relative to the elastic member 361 when the movable portion 3 moves. As a result, the user can perform DJ performance comfortably.
- the first gear 611 is rotated using the adjustment knob 614, but the first gear 611 may be rotated using a driver.
- the first gear 611 and the second gear 621 provided with the pressing force adjusting protrusion 623 are used as a configuration for moving the pressing portion 5 forward and backward with respect to the elastic portion 36.
- the pinion and the pinion rotate to advance and retract.
- a rack may be used.
- the rotation angle of the rotation operation portion 61 may not be restricted to less than 360 °.
- the elastic member 361 may be formed of an elastically deformable material other than rubber such as a coil spring, a leaf spring, or a sponge. Further, the inelastic member 362 may not be provided. Further, although only one elastic member 361 is provided in the elastic portion 36, the pressing force of the contact member 52 may be gradually reduced by providing a plurality of elastic members in the pressed direction.
- the operating device of the present invention may be applied to a DJ mixer, a DJ player, an audio effector, or may be applied to a product other than a DJ device such as a music player, a game device, or a home appliance.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Mechanical Control Devices (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
そこで、可動部を素速く操作できるようにするために、可動部の軽量化を図ることが重要である。しかしながら、特許文献1,2の構成では、摺動トルクの調整機構が可動部(可動子、スライド部材)に設けられているため、可動部の軽量化を図ることが困難である。一方、操作装置の操作感には個人差があり、ある程度の負荷をかけて操作をしたいという要望があるため、摺動トルクの調整機構を無くすことはできない。
したがって、特許文献1,2の構成では、操作負荷の調整機能を備えつつ、素速い操作が可能な操作装置の提供が困難である。
図1~図3に示すように、操作装置1は、固定部2と、可動部3と、負荷調整部4とを備えている。
固定部2は、箱状のケース21と、ガイド部26とを備えている。
ケース21は、本体部22と、蓋部25とを備えている。
本体部22は、変形しない例えばプラスチックや金属で形成されている。本体部22は、正面部221と、上面部222と、底面部223と、一対の側面部224とにより背面側が開口した箱状に形成されている。
筒部225の上側には、2個の係止孔226が左右に並んで設けられている。
2個の係止孔226の間には、2個の軸挿通孔227が左右に並んで設けられている。
正面部221の背面側の面には、係止部631と、2個の第1支持溝229(一方のみ図示)と、2個の第2支持溝230(一方のみ図示)とが設けられている。
係止部631は、筒部225の開口の下側から背面側に突出するように設けられている。第1支持溝229および第2支持溝230は、係止部631よりも背面側に設けられている。第1支持溝229は、背面側が開口するC字状に形成され、正面部221の左右両側における上側に設けられている。第2支持溝230は、第1支持溝229と略等しい形状に形成され、第1支持溝229の下側に設けられている。
上面部222には、正面部221側に矩形状に切り欠かれた切欠部231が設けられている。上面部222における軸挿通孔227に対応する位置には、貫通孔232が設けられている。
2個の側方突出部32の突出方向先端側には、第1シャフト261が挿通される軸受孔321がそれぞれ設けられている。軸受孔321には、例えば樹脂製のブッシュ322(図4参照)が嵌合されている。ブッシュ322は、その内径が第1シャフト261の直径よりも若干大きくなっており、第1シャフト261との間に摩擦力がほとんど発生しないように構成されている。
下方突出部33の突出方向先端には、軸受溝331が設けられている。軸受溝331は、下方が開口するC字状に形成され、内部に配置された第2シャフト262との間に僅かな隙間が形成されるように構成されている。
このような構成により、軸受孔321に挿通された第1シャフト261と、軸受溝331に配置された第2シャフト262とがケース21に固定されることで、可動部3が固定部2によって、第1シャフト261および第2シャフト262の軸方向に沿って往復可能に保持される。
上方突出部34は、可動部3が固定部2に固定されたときに、スリット211から突出する形状に形成されている。上方突出部34には、上方に延びる取付部35が設けられている。取付部35には、図示しない操作つまみが取り付けられる。
弾性部材361は、弾性変形可能な例えばゴムにより略円筒状に形成され、取付孔311に嵌合可能に構成されている。
非弾性部材362は、弾性変形不可能な例えばプラスチック等により、前端が閉じられた円筒状に形成されている。非弾性部材362は、弾性部材361の内部に嵌合され、かつ、当該非弾性部材362の前端側が弾性部材361から突出するように設けられている。
押圧部5は、保持部材51と、当接部材52とを備えている。
係合部512は、板状部511の長手方向の両端に設けられている。係合部512は、先端に爪部515が設けられた棒状に形成されている。
軸部513は、円柱状に形成され、係合部512の間に左右に並んで設けられている。
当接突出部514は、軸部513の基端から係合部512側に延びるように設けられている。
当接部材52は、例えばフェルトにより薄板状に形成され、保持部材51の他方の面に取り付けられている。当接部材52は、弾性部36の非弾性部材362に当接し、当該非弾性部材362に摩擦力を付与可能に構成されている。
回転操作部61は、第1ギア611を備えている。第1ギア611の一方の面には、凹部612が設けられている。凹部612は、第1ギア611と同心の円形に形成されている。凹部612の中央には、円筒状に突出するつまみ取付部613が設けられている。つまみ取付部613は、筒部225に挿通可能、かつ、先端側が筒部225から突出する形状に形成され、その突出部分に、指示線615が設けられた調整用つまみ614を取り付け可能に構成されている。調整用つまみ614は、操作装置1が完成製品としてのフェーダに組み込まれた状態において、フェーダの外部に露出するように設けられている。
凹部612には、つまみ取付部613の基端から第1ギア611の径方向外側に延びる1つの被係止部632が設けられている。
回転規制部63は、本体部22に設けられた係止部631と、第1ギア611に設けられた被係止部632とから構成されている。
まず、回転操作部61を本体部22に取り付ける際には、係止部631が第1ギア611の凹部612内に位置するように、つまみ取付部613を筒部225に挿通する。次に、第1ギア611の他方の面側に中間部材616と、ばね617と、操作部取付部材618とを重ねて配置し、操作部取付部材618を貫通するねじ619を本体部22に取り付ける。
このような構成により、回転操作部61は、係止部631と被係止部632とが当接しない範囲で回転し、係止部631と被係止部632とが当接したときに回転が規制されるように、本体部22で保持される。すなわち、回転操作部61の回転角度は、回転規制部63により360°未満に規制されている。また、この保持された状態では、回転操作部61は、ばね617の付勢力により正面部221に押圧されている。
その後、正面部221から突出した軸部513に、ばね516を挿通させた後、軸部513の先端を弾性変形させながら被押圧部材517と、抜け止め部材518とを挿通させる。この挿通により、軸部513の先端側に設けられたくびれ部に被押圧部材517および抜け止め部材518が位置決めされ、軸部513が軸挿通孔227から抜けてしまうことが抑制される。また、ばね516が被押圧部材517を本体部22の外側に付勢し、この付勢により保持部材51が第2ギア621に押圧される。その結果、第2ギア621の押圧力調整突部623の一部が、保持部材51の当接突出部514に接触している状態が常に維持される。
次に、操作装置1の作用として、操作負荷の調整機構について説明する。
調整機構は斜板カム機構を採用しており、調整用つまみ614を回転させ、この調整用つまみ614に連結されている回転斜板である押圧力調整突部623を回転させることにより、当接部材52を調整用つまみ614の回転軸と平行に往復運動をさせる仕組みである。
例えば、係止部631と被係止部632との当接により、調整用つまみ614の左方向(反時計回り方向)への回転が規制されている状態では、図4の上側の図に示すように、ばね516の付勢により保持部材51が第2ギア621に押圧され、押圧力調整突部623の底部624と保持部材51の当接突出部514とが当接し、かつ、当接部材52が弾性部36から離れている。このため、可動部3に対する背面側への押圧力が作用せず、ブッシュ322が第1シャフト261に押圧されない状態となる。その結果、ブッシュ322と第1シャフト261との間にほとんど摩擦力が発生せず、可動部3の操作負荷がほとんど無い状態となる。
一方、調整用つまみ614を反時計回り方向へ回転させるほど、可動部3の移動負荷が小さくなる。
上述したように、操作装置1の負荷調整部4は、固定部2に設けられた押圧部5を備えている。この押圧部5は、可動部3に設けられた弾性部36を、可動部3の移動方向に対して直交する方向に押圧することで、可動部3に移動負荷を付与する。
このように、操作装置1の操作負荷を調整する構成として、可動部3に弾性部36のみを設け、固定部2に複雑な構成を有する押圧部5を設けるため、操作負荷の調整機能を損なうことなく可動部3の軽量化を図ることができる。
また、押圧部5が弾性部36を押圧すると、弾性部36の弾性変形により緩和された押圧力で可動部3がガイド部26に押圧される。このため、押圧部5が弾性変形しない構成を押圧する場合と比べて、可動部3に作用する押圧力を緩やかに可動部3に与えることが可能となり、操作負荷を微調整することができる。
したがって、素速い操作が可能であり、かつ、操作負荷を微調整可能な操作装置1を提供できる。
その上、固定部2に押圧部5を設ける構成にすることで、押圧部5の配置や構造設計の自由度を高めることができ、押圧部5の負荷調整部4による移動量を大きく設定することができるので、弾性部36の弾性変形量を十分に確保することができる。このため、弾性部36の弾性部材361に弾性係数の低い材料を使うことができ、操作負荷の微調整をしやすくなる。
なお、可動部3の移動方向と押圧部5の押圧方向とが直交するとは、これらの方向がなす角度が正確に90°であることを意味するのではなく、90°からの多少ずれを許容するものである。
このため、ドライバ等の操作装置1と別体の部材を用いることなく、容易にかつ迅速に操作負荷を微調整できる。特に、操作用つまみ614を完成製品としてのフェーダの外部に露出するように設けているため、ユーザは可動部3を操作しながら操作負荷を調整することができ、操作負荷を個人の好みに合わせて容易に微調整することができる。
このように回転操作部61の回転が規制される構成に、さらに調整用つまみ614に指示線615を設けることで、ユーザは、現時点での操作負荷の調整状態を容易に認識できる。
ここで、例えば、1個の変換部62を用いて当接部材52に押圧力を伝達する場合、当接部材52が傾いてしまうおそれがある。
これに対し、2個の変換部62を用いて当接部材52に押圧力を伝達することで、当接部材52が傾いてしまうことを抑制できる。
このように弾性部材361より硬い非弾性部材362が押圧部5と接触するため、弾性部材361が押圧部5と接触する構成と比べて、可動部3の移動時に非弾性部材362と押圧部5との間に発生する摩擦力により、弾性部36が破損することを抑制できる。
特に、弾性部材361を弾性変形可能なゴムで構成しているため、弾性部材361における可動部3との接触部分と非弾性部材362との接触部分を密着させることができる。したがって、可動部3の移動時に可動部3に対する弾性部材361の位置ずれや弾性部材361に対する非弾性部材362の位置ずれを抑制できる。その結果、ユーザは快適にDJパフォーマンスを行うことができる。
なお、本発明は上記実施形態にのみ限定されるものではなく、本発明の要旨を逸脱しない範囲内において種々の改良ならびに設計の変更などが可能である。
また、押圧部5を弾性部36に対して進退させる構成として、第1ギア611と押圧力調整突部623が設けられた第2ギア621とを用いたが、ピニオンと当該ピニオンの回転で進退するラックを用いてもよい。
さらに、回転規制部63を設けずに、回転操作部61の回転角度を360°未満に規制しなくてもよい。
また、弾性部材361は、コイルばねや板ばね、あるいはスポンジ等のゴム以外の弾性変形可能な材料で形成されていてもよい。
さらに、非弾性部材362を設けなくてもよい。
また、弾性部36に弾性部材361を1個だけ設けたが、弾性部材を被押圧方向に複数設けることで、当接部材52の押圧力を段階的に緩和するようにしてもよい。
Claims (7)
- 固定部と、
所定範囲で所定方向に移動する可動部と、
前記可動部の移動負荷を調整する負荷調整部と、を備え、
前記可動部には、弾性変形可能な弾性部が設けられ、
前記負荷調整部は、前記固定部に設けられ、前記弾性部を前記可動部の移動方向に対して直交する方向に押圧する押圧部を備えていることを特徴とする操作装置。 - 前記負荷調整部は、前記押圧部を前記弾性部に対して進退させる調整が可能な調整操作部を備えていることを特徴とする請求項1に記載の操作装置。
- 前記操作装置が完成製品に組み込まれた状態において、前記調整操作部が前記完成製品の外部に露出することを特徴とする請求項2に記載の操作装置。
- 前記調整操作部は、回転操作が可能な回転操作部と、前記回転操作部の回転運動を直進運動に変換して前記押圧部を進退させる変換部と、前記回転操作部の回転角度を360°未満に規制する回転規制部と、を備えていることを特徴とする請求項2または請求項3に記載の操作装置。
- 前記調整操作部は、2個以上の前記変換部を備え、前記2個以上の変換部に対応するそれぞれの位置から前記押圧部に押圧力を伝達するように構成されていることを特徴とする請求項4に記載の操作装置。
- 前記弾性部は、前記可動部に設けられた弾性部材と、前記弾性部材に設けられ前記押圧部に当接する非弾性部材と、を備えていることを特徴とする請求項1から請求項5のいずれか一項に記載の操作装置。
- 請求項1から請求項6のいずれか一項に記載された操作装置を備えていることを特徴とするフェーダ。
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US15/745,517 US10436297B2 (en) | 2015-07-21 | 2015-07-21 | Operation device |
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