JP3102188U - Fader device with operation feeling adjustment function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fader device with an operation feeling adjusting function capable of finely adjusting a sliding resistance or a sliding torque when manually adjusting a variable resistance without disassembling the fader device.
SOLUTION: A resistor substrate 12 having a resistor and a current collector extending parallel to each other, a guide bar 14 extending along the resistor substrate, and slidably guided by the guide bar, to contact the resistor and the current collector. The slider 16 includes a slider 16 having a brush that slides and an operation lever 18 fixed to the slider and extending to the outside. The slider 16 has two sliding holding portions 16a and 16b for holding at least a part of the guide bar. Further, a sliding resistance adjusting mechanism 20 for variably adjusting the sliding resistance between the two sliding holding portions and the guide bar is provided.
[Selection diagram] Fig. 1

Description

  The present invention relates to a fader device having an operation feeling adjusting function having a function of finely adjusting a sliding resistance or a sliding torque when manually adjusting a variable resistance.

  A variable resistor called a fader or fader device is used for mixing a multi-channel original sound in a disc jockey or the like, or for adjusting the amount of illumination light in a theater or the like. Faders can be broadly classified into manual faders that are manually operated and motor faders that can be driven by a motor, and there are a linear type and a rotary type, respectively.

  The manual fader is composed of a linear resistor and a slider that slides on the resistor. The resistance value from one end of the resistor to the slider is changed by manually moving the slider. Has become. The motor fader is a manual fader that can be driven by a motor, and is also called a moving fader.

FIG. 5 is a schematic diagram showing an example of a conventional linear manual fader. In this figure, 51 is a case, 52 is a resistance plate fixed in the longitudinal direction of the case, 53 is a slider slidably guided by two guide bars 54 arranged in parallel, and 55 is fixed to the slider. Knob arm.
On one surface of the resistor plate 52, a linear resistor 52a and a current collecting electrode 52b are printed in parallel. A brush (not shown) that slides in contact with the resistor 52a and the current collecting electrode 52b is attached to the side of the slider 53 facing the resistor plate 52.
Further, a knob 55a is attached to the tip of the knob arm 55. The knob is moved by hand to slide the slider 53, and the brush is moved on the resistor 52a and the current collecting electrode 52b so that a desired resistance value is obtained. Obtainable.

Note that Patent Literatures 1 and 2 and the like have already disclosed such fader devices.
As shown in FIG. 6, a “straight-line fader device” disclosed in Patent Literature 1 is designed to prevent dust from entering through a guide hole and adhering to an exposed resistor plate and brush to cause a contact failure. , A slider 63 translated in parallel by a guide bar 64, a variable resistor 68 having a sealed structure attached to the case and having a resistance value changed by rotation of the bearing tube, a shaft pulley 69 attached to the bearing tube, and a shaft center. It has a belt 67 wound between a pulley, a slider and a plurality of pulleys 66 and rotated by the movement of the slider.

  Further, the “fader device” of Patent Document 2 aims to improve the feeling of adjustment of the fader lever and reduce backlash during operation, and as shown in FIG. The variable resistance means 72 includes a variable resistance means 72 whose resistance value changes, and a belt means 73 which rotationally transmits a belt member to the variable resistance means from a fader lever. Reference numeral 74 denotes a rotary drum directly connected to the fader lever 71.

JP-A-9-171910 JP 2001-284106 A

In a mixing operation by a disc jockey or the like, or an adjustment of a light amount of illumination in a theater or the like, it is necessary to frequently operate a large number of fader devices arranged in multiple channels in accordance with music or drama. Therefore, it has been desired to finely adjust the operation feeling of the plurality of fader devices, particularly the sliding resistance or the sliding torque, according to the preference of the operator.
However, the conventional fader device has a problem that the sliding resistance or the sliding torque at the time of manual operation is set to be constant for both the manual fader and the motor fader, and the adjustment cannot be performed.
In addition, it is possible in principle to change the sliding resistance or sliding torque by taking measures such as inserting a sliding plate with high frictional resistance into the sliding part in order to match the operator's preference. However, there is a problem that it is difficult for a layman to disassemble the fader device, and that it takes time to finely adjust the sliding resistance or the sliding torque.

  The present invention has been made to solve the above problems. That is, an object of the present invention is to provide a fader device with an operational feeling adjustment function that can finely adjust the sliding resistance or the sliding torque when manually adjusting the variable resistance without disassembling the fader device. It is in.

According to the present invention, a resistor substrate having a resistor and a current collector extending parallel to each other, a guide bar extending along the resistor substrate, and a guide bar slidably guided by the guide bar, the A slider having a brush that contacts and slides, and an operation lever fixed to the slider and extending to the outside,
The slider has two sliding holding portions for holding at least a part of the guide bar,
Further, there is provided a fader device having an operation feeling adjusting function, comprising a sliding resistance adjusting mechanism for variably adjusting a sliding resistance between the two sliding holding portions and the guide bar.

  According to the configuration of the present invention, the sliding resistance when manually adjusting the variable resistance is adjusted by variably adjusting the sliding resistance between the two sliding holding portions and the guide bar by the sliding resistance adjusting mechanism. Alternatively, the sliding torque can be finely adjusted.

  According to a preferred embodiment of the present invention, the sliding resistance adjusting mechanism includes a penetrating female screw portion provided at a position facing one of the sliding holding portions of the slider, and a sliding engagement with the penetrating female screw portion. A male screw member for pressing one of the moving holding portions toward the other.

  According to this configuration, one of the sliding holding portions is pressed toward the other by the male screw member screwed with the penetrating female screw portion, and the contact pressure between the sliding holding portion and the guide bar is variably adjusted, thereby making the sliding. Dynamic resistance or sliding torque can be finely adjusted.

It is preferable that the male screw member has a screw portion to which an elastic resin for preventing loosening is fused.
Such an elastic resin is, for example, a nylon resin, and can generate a frictional holding force by its elastic repulsion to obtain a locking effect.

A case accommodating the resistance board, the guide bar, the slider, and the operation lever therein; the case is aligned with the male screw member at a predetermined position of the slider and a slit hole through which the operation lever is slidably passed. Having a through hole,
The male screw member has an engagement hole for rotating the male screw member about an axis, and is an elongated adjustment bar that engages with the engagement hole through the through hole provided in the case, and has a sliding resistance. Is configured to be adjustable.

  With this configuration, the male screw member can be rotated at a predetermined position of the slider through a through hole provided in the case with an elongated adjustment bar, and the sliding torque can be finely adjusted without disassembling the fader device. Can be.

According to a preferred embodiment of the present invention, the resistor and the current collector are a linear resistor and a linear current collector that extend in a straight line parallel to each other,
The guide bar is two straight bars extending parallel to each other along the resistance substrate.

  With this configuration, the fader device with the operation feeling adjusting function of the present invention can be applied to a linear manual fader and a motor fader.

  As described above, the fader device with the operation feeling adjustment function of the present invention can finely adjust the sliding resistance or the sliding torque when manually adjusting the variable resistance without disassembling the fader device. Has an excellent effect.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. In each of the drawings, common portions are denoted by the same reference numerals, and redundant description will be omitted.
FIG. 1 is an overall plan view showing an embodiment of the fader device with an operation feeling adjusting function of the present invention, in which a cover of a case is removed. 2 is a sectional view taken along line AA of FIG. 1, and FIG. 3 is a partial perspective view of a main part of FIG.

  In this example, the fader device with the operation feeling adjusting function of the present invention is a linear manual fader. However, the present invention is not limited to this, and can be similarly applied to a linear motor fader, a rotary manual fader, and a motor fader. Hereinafter, the fader device with the operation feeling adjusting function of the present invention will be simply referred to as “fader device”.

  1, a fader device 10 according to the present invention includes a case 11, a resistance board 12, a guide bar 14, a slider 16, and an operation lever 18.

The case 11 is a hollow container (in this example, a rectangular box) formed of a case main body 11a and a case cover 11b, and accommodates the resistance board 12, the guide bar 14, the slider 16, and the operation lever 18 therein. Further, the case 11 has an elongated slit hole 11c through which the operation lever 18 passes, and the operation lever 18 can slide along the slit hole 11c, and a resistance value between output terminals described later can be arbitrarily set according to the position. It is designed to change.
In addition, a knob 18a is fixed to a distal end portion of the operation lever 18 extending outside the case, thereby facilitating the adjustment operation.
Further, on the back side of the slit hole 11c in the case, as shown in FIG. 2, an L-shaped sealing plate 11d is fixed to prevent dust and the like from entering from the slit hole 11c. I have.

The resistance substrate 12 is a flat printed circuit board, and has a resistor 12a and a current collector 12b that extend in parallel with each other on one surface. In this example, the resistor 12a and the current collector 12b are two pairs of a linear resistor 12a and a linear current collector 12b that extend linearly in parallel with each other. Further, a plurality of terminals 12c are provided on the resistance substrate 12, and the resistance values of the linear resistor 12a and the linear current collector 12b and a brush described later are moved on the resistor and the current collector to obtain desired values. The resistance value can be detected.
The configuration of the resistor substrate 12 is not limited to this example, and can be similarly applied to various circuit configurations of a well-known fader device.

  The guide bar 14 extends along the surface of the resistor substrate 12 having the printed board. In this example, the guide bars 14 are two parallel straight bars 14 a and 14 b extending parallel to each other along the resistance substrate 12 and having both ends fixed to the case 11. However, the present invention is not limited to this, and may be any shaped member that can guide the slider 16.

  As shown in FIGS. 1 and 2, the slider 16 is slidably guided along the linear bars 14a and 14b by guide bars 14 (in this example, parallel linear bars 14a and 14b). The slider 16 has a brush (not shown) that slides in contact with the resistor and the current collector, and outputs a desired resistance value from the terminal 12c according to the sliding position. I have.

  The operation lever 18 is integrally fixed to the slider 16 with two screws 18b in this example. Further, in this example, the L-shaped bent portion of the operation lever 18 passes through the slit hole 11c as shown in FIG. 2 and does not interfere with the seal plate 11d, thereby preventing dust and the like from entering. ing.

  As shown in FIGS. 2 and 3, in the present invention, the slider 16 has two sliding holding portions 16a and 16b for holding at least a part of the guide bar (in this example, the straight bar 14b). In this example, the slider 16 is made of a resin having low sliding resistance with metal, and the sliding holding portions 16a and 16b are formed integrally with the slider 16. Note that the present invention is not limited to this configuration, and one or both of the sliding holding portions 16a and 16b may be configured as different parts made of different materials.

  The fader device 10 of the present invention further has a sliding resistance adjusting mechanism 20 for variably adjusting the sliding resistance between the two sliding holding portions 16a and 16b and the guide bar (the straight bar 14b in this example). .

In this example, the sliding resistance adjustment mechanism 20 includes a penetrating female screw portion 16c provided at a position facing one of the sliding holding portions 16a of the slider 16, and a sliding holding member which is screwed with the penetrating female screw portion 16c. And a male screw member 21 for pressing one of the parts 16a toward the other 16b.
According to this configuration, one of the sliding holding portions 16a is pressed toward the other 16b by the male screw member 21 screwed with the penetrating female screw portion 16c, and the sliding holding portions 16a, 16b and the guide bar (in this example, a straight rod). By variably adjusting the contact pressure with the member 14b), the sliding resistance or the sliding torque can be finely adjusted.

  In the male screw member 21, an elastic resin (for example, a nylon resin) for preventing loosening is fused to the screw portion, and a friction holding force is generated by the elastic repulsive force to obtain a loosening preventing effect. Further, as shown in FIG. 3, the male screw member 21 has an engagement hole 21a for rotating the male screw member about the axis. The engaging hole is preferably a hexagonal hole or a rectangular hole, but may be a plus hole or a minus hole for a driver.

  FIG. 4 is an overall perspective view showing the operation feeling adjusting method of the fader device with the operation feeling adjustment function of the present invention. As shown in this figure, the case 11 has a through hole 11e at a position where the case 11 is aligned with the male screw member 21 at a predetermined position of the slider (for example, at the stroke end of the operation lever 18). At this position, as shown in the figure, the elongated adjustment bar 22 that engages with the engagement hole 21a through the through hole 11e provided in the case is rotated to freely and finely adjust the sliding resistance. I have.

  With this configuration, the male screw member can be rotated at a predetermined position of the slider through a through hole provided in the case with an elongated adjustment bar, and the sliding resistance or the sliding torque can be reduced without disassembling the fader device. Can be adjusted.

  It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that various changes can be made without departing from the gist of the present invention.

1 is an overall plan view showing an embodiment of a fader device with an operation feeling adjusting function of the present invention. It is sectional drawing in the AA line of FIG. FIG. 2 is a partial perspective view of a main part of FIG. 1. FIG. 4 is an overall perspective view showing a method of adjusting the operation feeling of the fader device with the operation feeling adjustment function of the present invention. It is a schematic diagram which shows an example of the conventional linear type manual fader. It is a schematic diagram of the "linear fader device" of patent document 1. It is a schematic diagram of the "fader device" of patent document 2.

Explanation of reference numerals

10 fader device (fader device with operation feeling adjustment function),
11 case, 11a case body, 11b case cover,
11c slit hole, 11d seal plate, 11e through hole,
12 resistor substrate, 12a resistor, 12b current collector, 12c terminal,
14 guide bar, 14a, 14b straight bar,
16 slider, 16a, 16b sliding holding portion, 16c penetrating female screw portion,
18 operation lever, 18a knob,
20 sliding resistance adjusting mechanism, 21 male screw member, 21a engagement hole,
22 Adjustment bar

Claims (5)

A resistance substrate having a resistor and a current collector extending parallel to each other, a guide bar extending along the resistance substrate, and slidably guided by the guide bar, and sliding in contact with the resistor and the current collector A slider having a brush, and an operation lever fixed to the slider and extending to the outside,
The slider has two sliding holding portions for holding at least a part of the guide bar,
Further, a fader device with an operation feeling adjusting function, further comprising a sliding resistance adjusting mechanism for variably adjusting a sliding resistance between the two sliding holding portions and the guide bar. The sliding resistance adjusting mechanism includes a penetrating female screw portion provided at a position facing one of the sliding holding portions of the slider, and one of the sliding holding portions screwed with the penetrating female screw portion to face the other. The fader device with an operation feeling adjusting function according to claim 1, comprising a male screw member to be pressed. The fader device with an operation feeling adjusting function according to claim 2, wherein the male screw member has an elastic resin for preventing loosening fused to a screw portion thereof. A case accommodating the resistance board, the guide bar, the slider, and the operation lever therein; the case is aligned with the male screw member at a predetermined position of the slider and a slit hole through which the operation lever is slidably passed. Having a through hole,
The male screw member has an engagement hole for rotating the male screw member about an axis, and is an elongated adjustment bar that engages with the engagement hole through the through hole provided in the case, and has a sliding resistance. The fader device with an operation feeling adjusting function according to claim 2, wherein the fader device is configured to be adjustable. The resistor and the current collector are a linear resistor and a linear current collector that extend linearly in parallel with each other,
The fader device with an operation feeling adjusting function according to claim 1, wherein the guide bar is two straight bars extending parallel to each other along the resistance substrate.

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