JPS5813680Y2 - Multi-axis simultaneous adjuster - Google Patents

Description

[Detailed description of the invention] This invention relates to a multi-axis simultaneous adjuster, and is particularly useful for 4-channel stereo volume balance adjusters. This invention relates to a multi-axis simultaneous adjuster that can adjust the value of .

The purpose of this invention is to provide a multi-axis simultaneous adjuster that is small and thin and has an excellent operating feel.

A side sectional view of an embodiment of the multi-axis simultaneous regulator of this invention and a plan view of its internal structure are shown in FIGS. 1 and 2, respectively.

First, in FIG. 1, a spherical part 4 of an operating shaft 3 is rotatably mounted in an opening 2 provided on the upper surface of a housing 1 by a spherical part 5. As shown in FIG.

The spherical part 5 is attached to the housing 1 with rivets 6.

As shown in FIG. 2, interlocking plates 7 and 8 are provided inside the casing 1 so as to cross each other and slide laterally along the inner surface of the casing.

A bearing 9 having an X-shaped cross section is slidably fitted into the intersection of the interlocking plates 1 and 8, and the cylindrical tip 10 of the operating shaft 3 is attached so as to pass through the bearing 9.

More specifically, the stepped portion 11 of the bearing 9 is provided to slide along the stepped portion 13 of the elongated hole 12 of each of the interlocking plates γ and 8, and the interlocking plates 7 and 8 are The portions γa and 8a are configured to slide on the inner surface of the housing 1.

Therefore, when the bearing 9 moves on the same plane as the paper in the state shown in FIG.
slides on the inner surface of the casing in the vertical direction shown in the figure.

The brush mounting plate 14 is attached to the shaft 1 in contact with the lower part of the interlocking plates 1 and 8.
It is attached to 5 so that it can rotate freely.

A brush 16 is fixed to the brush mounting plate 14, and its tip 1γ
is pressed against the resistor 18.

The resistor 18 has a horseshoe shape as shown in FIG.
are provided point-symmetrically on the insulating plate 19 which is the bottom surface of the
A shaft 15 is provided at the center of this horseshoe shape.

The brush 16 is also connected to a terminal 20 via a contactor (not shown).

A projection 21 is formed on the upper surface of the brush mounting plate 14, and this projection 21 is slidably fitted into the long grooves 22 of the interlocking plates 7 and 8.

In operation, when the operating shaft 3 is rotated around the center of the spherical part 4, the tip 10 of the operating shaft 3 drives the bearing 9,
The bearing 9 moves on the same plane.

The movement of the bearing 9 causes the interlocking plates 1 and 8 to slide laterally on the inner surface of the housing, and the long groove 22 drives the protrusion 21, thereby causing the brush mounting plate 14 to rotate about the shaft 15.

As the brush mounting plate 14 rotates, the tip 17 of the brush 16 slides on the surface of the resistor 18.

Therefore, by operating the operating shaft 3, a desired resistance value can be obtained at the terminal 20.

With this configuration, the resistance values of the four resistors 18 can be adjusted simultaneously with the single cylindrical operation shaft 3, but since the resistors 18 are arranged on the same plane, the device can be made smaller and smaller. Thinness is achieved.

In addition, the interlocking plates γ and 8 slide on the inner surface of the □ body, a rotary resistor 18 is used, and the cylindrical tip 10 and the bearing 9 with an X-shaped cross section are combined. A small gap A is formed between the cylindrical tip 10 and the bearing 9, which is not affected by the thickness and does not cause rattling when the cylindrical tip 10 is in a neutral position as shown in FIG. As shown in FIG. 5, just by making a space between
It is possible to tilt the cylindrical tip 10 considerably more than when the bearing 9 is cylindrical with the same clearance.In other words, the cylindrical tip When the part 10 is tilted as much as necessary, the gap A in the neutral state can be made much smaller than when the bearing 9 is cylindrical, and no rattling occurs during operation.
The operating feel is good, and since the cylindrical tip 10 is not processed into a different shape, the processing cost is also low.

As mentioned above, the multi-axis simultaneous adjuster of this invention combines a cylindrical or cylindrical operation shaft with an X-shaped cross-section bearing, so there is no rattling during operation and the operation feels good. In addition, the fluctuation in the resistance value is small, and the tip of the operating shaft may be cylindrical or cylindrical, making processing easy and reducing processing costs.

[Brief explanation of drawings]

Fig. 1 is a side sectional view of an embodiment of the multi-axis simultaneous adjuster of this invention, Fig. 2 is a plan view of the internal structure of the embodiment of Fig. 1, and Fig.
The figure shows the resistor pattern of the embodiment shown in FIG. 1, and FIGS. 4 and 5 are enlarged cross-sectional views of the main parts of FIG. 1, respectively. 1... Housing, 2... Opening, 3...
...Operation shaft, 4...Body part, 5...Ball holder, 7 and 8...Interlocking plate, 9...
Bearing, 14... Brush mounting plate, 15...
Shaft, 16...Brush, 18...Resistor,
19...Insulating board

Claims (1)

[Scope of utility model registration request] a casing, an operating shaft having a spherical part rotatably held in an upper opening of the casing; and an operating shaft provided inside the casing and driven by the operating shaft to move on a plane. a bearing having an X-shaped cross section that holds the circumferential body portion; a pair of interlocking plates that intersect with each other and are provided to slide separately in a linear direction on the inner surface of the casing, the intersection of which is driven by the bearing;
A multi-axis simultaneous adjuster comprising: a plurality of rotary variable impedance means provided on the bottom upper surface of the housing and driven by the interlocking plate.