JP2005109182A - Turnable knob adjusting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a small-sized and simply-constituted turnable knob adjusting device by contacting the attracting unit of an attracting means for the turnable knob, which is constituted so as to adjust the pivoting of the knob fixed to a pivot adjusting shaft provided in a device to be adjusted, at a part having a diameter smaller than the outer diameter of the knob. <P>SOLUTION: The turnable knob adjusting device 30 is constituted so as to adjust the pivoting of the knob 24 fixed to the pivot adjusting shaft provided in the device 20 to be adjusted. The device includes the attracting means 40 for attracting the front surface of the knob 24 and constituted so as to be capable of being pivoted flexibly, a shaft means 38 connected to a vacuum generating device 31 and provided with a hollow hole 51 for effecting the suction and exhaust of air while having the attracting means 40 fixed to the tip end of the same, and a turning means 32 for turning the shaft means 38 together with the attracting means 40. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an adjustment device for a rotary shaft of an electronic apparatus having a rotary knob such as a volume or a selector, and in particular, a rotary knob adjustment suitable for performing adjustment by pressing and turning a rotary knob of a volume with a switch. Relates to the device.

  Conventionally, in an automatic adjustment device in which a rotary knob fitted to a rotary shaft such as a volume or a selector disposed in an electronic device is directly rotated from outside, the knob is laterally moved by chucking the knob. In general, a method of rotating the knob while sandwiching and holding it or a method of rotating the knob by pressing a rotating mechanism against the knob is generally performed.

  Patent Document 1 describes a chucking type automatic adjustment actuator (rotating knob adjustment device) having a centering mechanism. FIG. 6 shows the configuration of the actuator 1 of this type. The slide member 4 is provided so as to be movable in the axial direction of the main shaft 2 and opens and closes the pair of chucks 3. By configuring the idle rotating member 5 that is in contact with the slide member 4 so that the idle rotating member 5 can move in a direction perpendicular to the axis of the slide member 4 and can be rotated, the axial center of the chuck 3 and the center of the volume knob are displaced. , The best balance point between the pair of chucks 3 can be found and grasped. By performing this operation even when the chuck is rotating, the load fluctuation to the rotating motor can be suppressed and stable compared to the conventional method. An actuator device for automatic adjustment capable of obtaining rotation is disclosed.

  Further, in a conventional rotating volume, for example, a variable resistance value of an audio signal is changed by rotating a knob fixed to the shaft, and the axis of the rotating volume is moved in the axial direction. A rotating volume that outputs signals is used. For example, Patent Document 2 discloses a rotating volume with a push switch that is configured to move by being pressed in the axial direction and to move to a position before pressing when the pressing is released. Yes. By providing the rotary volume with push switch in the electronic device, for example, each time the knob fixed to the shaft of the rotary volume with push switch is pressed, the power switch of the electronic device can be turned on and off.

  FIG. 7 shows the configuration of the rotary volume with push switch disclosed in Patent Document 2, and a metal front plate 7 having a cylindrical portion and a bearing portion is provided with a slit at the tip portion and bifurcated. A shaft 6 having a protruding portion 6a is attached by a stopper 9 so as to be able to rotate and move in the axial direction. The rotating body 8 is formed of a synthetic resin molded product. That is, a shaft 6 that can be rotated and moved in the axial direction, a rotating body 8 that rotates by the rotation of the shaft 6, and first and second fixed contacts 11, 12 that are provided on the case 10 and are made of metal plates, An annular portion 13a, and a movable contact 13 made of a metal plate extending from the annular portion 13a in the center direction and having an arm portion 13b whose tip is raised, and the arm portion 13b of the movable contact 13 is The movable contact 13 is opposed to the first fixed contact 11 and the annular portion opposed to the coupling portion between the arm portion 13b and the annular portion 13a across the center is brought into contact with the second fixed contact 12. In the case 10, the rotating body 8 is rotated by rotating the shaft 6, and the arm portion 13 b of the movable contact 13 is brought into contact with the first fixed contact 11 by moving the shaft 6 in the axial direction. The contact is stable, the contact resistance is small, and Providing good with push switch turning Boryuumu sex.

  When adjusting an electronic device equipped with the above-mentioned rotary volume with push switch, first press the knob fixed to the axis of the rotary volume with push switch, move it in the axial direction, then press the knob And the power switch of the electronic device is turned on by returning the knob to the position before pressing. Next, the variable resistance value of the audio signal can be adjusted, for example, by rotating the axis of the rotation volume with push switch by rotating the knob.

JP 7-107700 A JP-A-10-149746

  The structure of the chucking type rotating knob adjusting device disclosed in the above-mentioned conventional Patent Document 1 is complicated, and the chuck 3 is configured to be sandwiched by the chuck 3 from the lateral direction when chucking the knob. When the knob is adjusted for rotation, the actuator 1 shown in FIG. 6 cannot be made smaller than the outer diameter of the knob fixed to the rotation adjustment shaft provided in the apparatus to be adjusted. Depending on the pitch between the provided knobs, there is a problem that not only cannot be chucked but also the design needs to be changed according to the outer diameter of the knob.

  Moreover, even if it tried to adjust the electronic device which has a knob in the rotating shaft of the rotation volume with a push switch currently disclosed by patent document 2 with the conventional rotation knob adjustment apparatus, it was fixed to the rotation volume with a push switch. Since the knob cannot be pressed and moved in the axial direction, there is a problem that the rotary knob cannot be adjusted.

  Furthermore, even if it tries to adjust with the rotation knob adjustment apparatus rotated while pressing the rotation knob of an electronic device, since the rotation knob of the rotation volume with a push switch will be pressed, for example, the power switch of an electronic device is The adjustment operation was started without being turned on, and adjustment could not be performed.

  The present invention is intended to obtain a rotating knob adjusting device that solves the above-mentioned problems. A first object of the present invention is to rotate a knob fixed to a rotating adjustment shaft provided in an adjusted device. An object of the present invention is to obtain a rotary knob adjusting device having a small and simple structure by bringing the suction portion of the suction means of the rotary knob adjusting device configured to be dynamically adjusted into contact with the outer diameter of the knob or less. It is.

  A second object of the present invention is to provide an adsorption portion and a rotation adjustment shaft of an adsorption means of a rotation knob adjustment device configured to rotate and adjust a knob fixed to a rotation adjustment shaft provided in the device to be adjusted. It is an object of the present invention to obtain a rotating knob adjusting device that can be rotated accurately even if there is a distortion such as displacement or inclination between the fixed knob.

  A third object of the present invention is to provide a rotary knob adjusting device in which a rotary knob with a push switch is fixed to a rotary adjustment shaft provided in the device to be adjusted. Turn the push switch to turn on, release the knob, return the push switch to its original position, and then turn the knob to adjust the resistance value etc. The purpose is to obtain an apparatus.

  In order to achieve the first object described above, the present invention provides a rotary knob adjusting device configured to rotate and adjust a knob fixed to a rotation adjusting shaft provided in an adjusted device. An adsorbing means that can be rotated flexibly and has a hollow hole that is connected to an air intake / exhaust source and that intakes and exhausts air, and the adsorbing means is fixed to the tip, and this axial means The rotating knob adjusting device is characterized in that the rotating knob adjusting device is provided with a rotating means for rotating together with the adsorbing means.

  In order to achieve the second and third objects, the present invention provides a rotating knob adjusting device configured to rotate and adjust a knob fixed to a rotating adjustment shaft provided in the adjusted device. An adsorbing means for adsorbing the front face of the knob and a slide shaft means connected to an air intake / exhaust source, having a hollow hole for air intake / exhaust, with the adsorbing means fixed at the tip and a pressing means fixed at the other end A sliding means fixed to the substrate of the main body via a spring disposed between the rotating means for rotating the sliding shaft means together with the suction means and the sliding shaft means so as to resist the biasing force of the pressing member. The rotating knob adjusting device is characterized by comprising a shaft holding means.

  According to the rotating knob adjusting device of the present invention, even if the knobs fixed to the plurality of rotating adjusting shafts provided in the adjusted device are close to each other, the predetermined rotating adjusting shaft is not brought into contact with other knobs. The knob fixed to can be adjusted. Further, it is not necessary to align the axis of the suction means of the rotary knob adjusting device with high accuracy with respect to the rotary adjustment axis of the knob, and further, the shaft means or the sliding shaft means can be rotated, pressed and pulled back, and there is little A rotary knob adjusting device can be obtained by the number of parts. In addition, it is possible to obtain a rotating knob adjusting device that can handle knobs of various outer shapes without special design changes.

  The rotation knob adjusting device of the present invention will be described below. FIG. 1 is a perspective view of an overall configuration showing one form of a rotating knob adjusting device according to an embodiment of the present invention, and FIG. 2 is a plan view of a main part of the rotating knob adjusting device according to an embodiment of the present invention. 3 to 5 are cross-sectional views for explaining the operating state of the rotary knob adjusting device according to the embodiment of the present invention.

  An overall configuration of a rotary knob adjusting device according to an embodiment of the present invention will be described with reference to FIG. In FIG. 1, 20 is a device to be adjusted, for example, for adjusting / inspecting the resistance value of a rotating volume or the like of an audio device, and 30 is an adjustment of the resistance value of a rotating volume or the like according to an embodiment of the present invention. -A rotary knob adjustment device that automatically performs inspection. A rotating volume or the like is disposed in the device to be adjusted 20, and a panel 23 disposed on the front surface of the casing 22 constituting the device to be adjusted 20 is fitted to a shaft of various types of rotating volumes or the like for operation. A knob 24 is provided. Such an adjusted device 20 is made to flow on the belt conveyor 25 in a direction indicated by an arrow A every predetermined time.

  The base 34 forming the main body of the rotary knob adjusting device 30 is composed of a metal plate or the like formed in a thin rectangular parallelepiped shape. On this base 34, a vacuum generator 31 that constitutes an air intake / exhaust source, an actuator 32 that constitutes a rotating means, an air supply portion 33 that operates an air cylinder 35, and a substantially rectangular parallelepiped shape that holds a slide shaft holding portion 37. A holding plate 36 made of this plate material is fixed by a predetermined method.

  On the base 34, there are a sliding shaft means fixed to the tip of the air cylinder 35 or a push fitting 39 for sliding the slide shaft 38 constituting the shaft means in the axial direction, and a suction pad fixed to the tip of the slide shaft 38. An adsorbing means 40 configured, an air intake / exhaust member 41 that sucks and exhausts air from the vacuum generator 31 into a hollow hole in the slide shaft 38 via a flexible air hose 42, and a universal shaft fixed to the rear portion of the slide shaft 38. 43 etc. are arranged.

  Next, the configuration and coupling method of the vacuum generator 31, the rotating means 32, the flexible air hose 42 from the vacuum generator 31, the universal shaft 43, and the push fitting 39 connected to the slide shaft 38 using FIGS. 2 and 3 will be described. explain.

  As shown in FIG. 3, the slide shaft means or the slide shaft 38 constituting the shaft means has a substantially cylindrical shape and is formed with a hollow hole 51 at the center, and the outer end thereof has a small diameter portion 48 at the tip in the axial direction. The cylindrical outer diameter is a large diameter portion. The slide shaft holding portion 37 includes a through hole having an inner diameter larger than the outer diameter of the large diameter portion of the slide shaft 38, and the slide shaft 38 is inserted into the through hole. The spring 46 is a compression coil spring and is disposed between the outer diameter of the small diameter portion 48 of the slide shaft 38 and the inner diameter of the sliding shaft holding portion 37. A ring-shaped stopper 49 is fixed to one end of the sliding shaft holding portion 37. The outer diameter of the small diameter portion 48 of the slide shaft 38 is slidably inserted into the inner diameter of the ring-shaped stopper. The ring-shaped stopper 49 may be integrated with the cylindrical slide shaft holding portion 37. This stopper 49 is held so that the spring 46 does not jump out. The holding plate 36 is fixed to the base 34 by inserting and fixing the outer diameter portion of the sliding shaft holding portion 37 in a semicircular cut formed in a substantially rectangular parallelepiped plate.

  The adsorbing means 40 is formed of a soft rubber on the upper part of a substantially cylindrical base 50 and has a bellows part having a hollow inside. Thus, a suction pad to be sucked on the front surface of the knob 42 is formed. Of course, the suction means 40 is not limited to the above-described configuration. For example, the bellows part is formed as an opening having an inverted cross-sectional shape like a normal rubber suction pad, and is substantially cylindrical. It is also possible to use a suction means that can be turned flexibly like a bellows. The base 50 of this suction means is fixed to the tip of the small diameter portion of the slide shaft 38.

  An air intake / exhaust member 41 is fixed to one end of the outer diameter of the slide shaft 38 on the large diameter side. The air intake / exhaust member 41 has an air intake / exhaust portion fixed on the circumference of a substantially cylindrical member, and a flexible air hose 42 led out from the vacuum generator 31 to an intake / exhaust port 52 communicating with the hollow hole 51 of the slide shaft 38. The air is sucked out from the intake / exhaust port 52 by an instruction signal from an operation unit (not shown). The flexible air hose 42 has a sufficient slack between the vacuum generator 31 and the intake / exhaust port 52 in advance.

  A cylindrical coupling shaft 47 is joined to the rear end of the air intake / exhaust member 41. The actuator 32 constituting the rotating means is, for example, a stepping motor. The actuator 32 rotates the rotor shaft in the actuator 32 in response to an instruction signal from an operation unit (not shown). The universal shaft 43 is formed of an elongated wire cable, and one end of the coupling shaft 47 and the universal shaft 43 are joined. The universal shaft 43 rotates as indicated by arrows BB in FIG. 47 is rotated so that the rotation of the rotor shaft is transmitted to the slide shaft 38.

  The air supply unit 33 injects air into the air cylinder 35 when an air supply signal from the operation unit is input, and stops injecting air into the air cylinder 35 when an air stop signal is input from the operation unit. Keep the air injected to the outside leaking out.

  When an air discharge signal is input from the operation unit, the air supply unit 33 discharges the air injected into the air cylinder 35 to the outside. The air cylinder 35 has one end pivotally supported by the air supply unit 33 and the other end having a rod 45 formed of a cylinder shaft, and is fixed to a push fitting 39 formed in a substantially Z shape at one end of the rod 45. . The other end of the push fitting 39 is fixed to a ring 44 fixed to the coupling shaft 47. In response to the supply of the air supply signal or the air discharge signal to the air supply unit 33, the slide shaft 38 slides in the direction of the arrow CE shown in FIG.

  Hereinafter, an operation when the rotating volume with push switch is fixed in the adjusted apparatus 20 will be described. When the knob 24 fitted to the shaft of the rotary volume with push switch is pressed as shown by the arrow D in FIG. 2, the shaft of the knob 24 moves backward, and when the pressure is released, it moves to the original position. When the knob 24 is rotated in the state of being returned to the original position, the resistance value of the rotary volume with push switch is changed, and each time the axis of the knob 24 of the rotary volume with push switch moves backward. The power switch inside the device to be adjusted 20 is turned on and off.

  2 and 3 show a plan view and a cross-sectional view of the state in which the opening of the suction means 40 is opposed to the front surface of the knob 24 in the adjusted device 20. The case where the adjustment device 20 is adjusted by rotating the knob 24 after the power of the adjustment device 20 is turned on will be described.

  4 shows a state where the air supply unit 33 supplies air to the air cylinder 35 from the state of FIG. 3, and FIG. 5 shows a state where the supply of air from the state of FIG. 4 to the air cylinder 35 is stopped. FIG.

  First, as shown in FIG. 3, the spring 46 in the sliding shaft holding portion 37 is given a biasing force in the direction of arrow E when the opening of the suction means 40 is opposed to the front surface of the knob 24 in the adjusted device 20. It has been. Now, when an air supply signal is output from an operation unit (not shown) to the air supply unit 33, the air cylinder 35 moves the rod 45 in the direction of arrow C in FIG. Let The push fitting 39 presses the ring 44 by the movement of the rod 45 in the direction of arrow C, and the coupling shaft 47, the air intake / exhaust member 41, the slide shaft 38 and the suction means 40 are connected to the spring 46 in the slide shaft holding portion 37. Slide against the holding plate 36 in the direction of arrow C against the biasing force.

  Accordingly, the spring 46 is compressed in the sliding shaft holding portion 37, the opening of the suction means 40 abuts on the front surface of the knob 24, and the knob 24 is moved rearward so that the shaft of the rotary volume with push switch is moved. Moving to the rear, the power of the device to be adjusted 20 is turned on.

  Next, when the vacuum generator 31 constituting the air intake / exhaust source outputs an instruction signal from the operation unit so as to suck out air from the intake / exhaust port 52 of the air intake / exhaust member 41, the vacuum generator 31 slides from the flexible air hose 42. The air in the suction means 40 is discharged as shown by the arrow F in FIG. 5 through the intake / exhaust port 52 communicating with the hollow hole 51 of the shaft 38, so that the opening of the suction means 40 is sucked to the front surface of the knob 24. To do.

  Next, when an air stop signal is output from the operation unit to the air supply unit 33, the air cylinder 35 is in a state where the internal air pressure is kept constant when the supply of air from the air supply unit 33 is stopped. At this time, the spring 46 compressed by the slide shaft 38 and the stopper 49 presses the slide shaft holding portion 37 in the direction of arrow E in FIG. The air inside the air cylinder 35 is compressed by the pressing force of the spring 46, and the rod 45 moves in the direction of arrow E. Then, as shown in FIG. 5, the knob 24 moves in the direction of arrow E while being sucked by the sucking means 40, and the shaft of the knob 24 moves to the original position before being pressed.

Next, when the operation is performed so as to rotate the rotor shaft of the actuator 32, the suction unit 40 rotates while the knob 24 is sucked by the rotation of the rotor shaft of the actuator 32. At this time, the flexible air hose 42 connected to the exhaust port 52 also rotates on the outer periphery of the air intake / exhaust member 41 as the exhaust port 52 rotates. However, a sufficient slack is provided between the vacuum generator 31 and the exhaust port 52. Therefore, the rotation of the air suction / discharge member 41 fixed to the suction means 40, the slide shaft 38, and the coupling shaft 47 is not hindered.

  As described above, the turning knob adjusting device 30 can adjust the adjusted device 20 by turning the knob 24 after turning on the power of the adjusted device 20.

  After the adjustment of the device 20 to be adjusted, the vacuum generator 31 sucks air from the discharge port 52 by stopping the instruction signal from the operation unit so that the vacuum generator 31 stops sucking air from the discharge port 52. By stopping the operation, the adsorbing means 40 does not adsorb the knob 24.

  Next, when an air discharge signal is output from the operation unit to the air supply unit 33, the air supply unit 33 discharges the air injected into the air cylinder 35. The air cylinder 35 moves the rod 45 to the original position as indicated by the arrow E by discharging the air, so that the suction unit 40 is separated from the knob 24 and the adjustment of the adjusted device 20 is finished.

  In the above configuration, the actuator 32 as the rotating means has been described using the stepping motor and the universal shaft 43. However, as the actuator 32, the rotor shaft of a control motor such as a DC motor or an AC motor is used as the coupling shaft 47. You may couple | bond together directly by coupling etc. The slide shaft 38 may be a shaft means (simple shaft) that performs only rotation having a hollow hole. The air supply unit 33 may also be an electric drive motor, a linear motor, an electric solenoid, or the like.

  As described above, according to the configuration of the rotary knob adjusting device 30, the knob 24 is pressed once to move the axis of the knob 24 backward, and then the knob 24 is returned to the original position. Since the rotation is configured, the knob 24 is rotated while the shaft of the knob 24 is being pressed, and an adverse effect that the adjustment is performed in a state where the power of the device to be adjusted 20 is not accurately turned on is removed. I can do it.

  According to the rotary knob adjusting device 30 of the present invention, the outer diameter of the suction means 40 can be made smaller than the outer diameter of the knob 24, and there is a knob 24 of another operation unit in the vicinity of the knob 24 of the adjusted device 20. However, it is possible to prevent the suction means 40 from coming into contact with the knob 24 of another operation unit. Further, since the suction means 40 is formed in a bellows shape and is flexible, the suction means 40 is attracted to the front surface of the knob 24 even when the adjusted device 20 is disposed at a position slightly deviated from a predetermined position. The knob 24 can be rotated.

It is a perspective view which shows one form of the rotation knob adjustment apparatus of this invention. It is a top view of the principal part of the rotation knob adjustment apparatus of this invention. It is sectional drawing (1) for operation | movement description of the rotation knob adjustment apparatus of this invention. It is sectional drawing (2) for operation | movement description of the rotation knob adjustment apparatus of this invention. It is sectional drawing (3) for operation | movement description of the rotation knob adjustment apparatus of this invention. It is a partial cross section figure of the conventional rotation knob adjustment apparatus. It is sectional drawing of the conventional rotation knob adjustment apparatus.

Explanation of symbols

  20 ... Adjusted device, 24 ... Knob, 30 ... Turning knob adjusting device, 31 ... Vacuum generator, 32 ... Actuator (rotating means), 33 ... Air supply unit, 34 ... Base, 35 Air cylinder, 36 Holding part, 37 Sliding shaft holding part, 38 Slide shaft, 39 Push metal fittings, 40 Adsorption means, 41 Air intake / discharge member, 42 Flexible Air hose, 43 ... Universal shaft, 45 ... Rod, 48 ... Small diameter part, 49 ... Stopper, 51 ... Hollow part

Claims (6)

In the rotation knob adjustment device configured to adjust the rotation of the knob fixed to the rotation adjustment shaft provided in the adjusted device,
An adsorbing means that adsorbs the front surface of the knob and can be rotated flexibly;
A shaft means connected to an air intake / exhaust source, having a hollow hole for air intake / exhaust, and having the adsorbing means fixed to the tip;
Rotating means for rotating the shaft means together with the suction means;
A rotating knob adjusting device comprising: In the rotation knob adjustment device configured to adjust the rotation of the knob fixed to the rotation adjustment shaft provided in the adjusted device,
Adsorption means for adsorbing the front surface of the knob;
A sliding shaft means connected to an air intake / exhaust source, having a hollow hole for air intake / exhaust, fixing the suction means to the tip, and fixing the pressing means to the other end;
Rotating means for rotating the sliding shaft means together with the suction means;
A sliding shaft holding means fixed to the main body via a spring disposed so as to resist the biasing force of the pressing member between the sliding shaft means;
A rotating knob adjusting device comprising:   2. The vacuum generator connected to the air intake / exhaust source through a flexible air hose between an air intake / exhaust port communicating with the hollow hole formed in the sliding shaft means. The rotating knob adjusting device according to claim 2.   The outer diameter of the suction part of the suction means is smaller than at least the outer diameter of the knob fixed to the rotation adjusting shaft, and has a bellows part. Rotating knob adjustment device.   5. The rotating device according to claim 2, wherein the rotating device is an actuator that rotates the adsorbing device fixed to the sliding shaft device and a flexible air hose connected to the air intake / exhaust source. The rotating knob adjusting device according to claim 1.   The pressing means slides the sliding shaft means toward the front surface of the knob by supplying air from an air supply source, and the air is exhausted by the biasing force of the spring in the sliding shaft means. 6. The rotating knob adjusting device according to claim 2, wherein the rotating knob adjusting device is slidable in a direction opposite to the front surface of the knob.

Images