JPH0132098Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a knob of a dual-shaft operating member that is widely used for adjusting operations of in-vehicle audio equipment, etc.

(Prior Art) Conventionally, dual-axis operating members having an outer shaft and a center shaft have been widely used in in-vehicle audio equipment and the like because the area of the operating panel is small. This allows two adjustment operations, such as sound quality and volume or tuning and left/right volume balance, to be performed on the outer axis and the center axis, and the operation members that need to be arranged to make effective use of the small area of the operation panel. This makes it possible to perform complex adjustment operations with a small number of controls.
Indicators for the knobs provided on the outer shaft and center shaft of these dual shaft operating members are provided on the operation panel.
An example is shown in FIG. In Figure 4, 1 is the operation panel, 2 is the knob on the outer shaft, 3 is the knob on the inner shaft, and 4
is an index provided on the operation panel 1.

By the way, the knob 2 on the outer shaft and the knob 3 on the middle shaft
These are operated separately, and the smaller the outer diameter of the inner shaft knob 3 is compared to the outer diameter of the outer shaft knob 2, the lower the risk of accidentally operating both knobs 2 and 3 at the same time. However, the more the difference in the outer diameters of both knobs 2 and 3 is provided, the more the knob 3 on the center shaft is attached to the operation panel 1.
It becomes difficult to move away from the index 4 provided on the center shaft and operate the knob 3 on the center shaft so as to accurately match the index 4. Furthermore, if the outer diameter of the knob 3 on the center shaft is approximately the same as the outer diameter of the knob 2 on the outer shaft, it is easy to operate so that the indicator 4 provided on the operation panel 1 and the knob 3 on the center shaft match accurately. However, it was easy to accidentally operate both the knobs 2 and 3 on the center shaft and the outer shaft at the same time, and in any case, it was not completely satisfactory.

(Purpose of the invention) The purpose of the invention is to solve the above-mentioned drawbacks of the conventional ones, and to provide a double shaft that allows accurate adjustment of the knob on the center shaft and prevents the user from accidentally operating both the center and outer shaft knobs at the same time. The object of the present invention is to provide a knob for an operating member.

(Structure of the invention) The knob of the double-shaft operating member according to the present invention includes an outer shaft that is rotated in predetermined angular steps and a middle shaft that is coaxial with the outer shaft. The gist is that an index of the predetermined angle step is provided on the knob of the outer shaft.

(Example) Hereinafter, an example of the knob of the dual shaft operating member according to the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view of one embodiment of the knob of the dual-shaft operating member of the present invention, and A, B, and C of FIG.
2A and 2B are diagrams illustrating the action of the knobs of the dual-shaft operating member shown in FIG. 1, respectively. In the figure, reference numeral 5 denotes an operation panel, on which a knob 6 on the outer shaft and a knob 7 on the center shaft of the double-shaft operating member are disposed. The outer shaft of this dual-axis operating member rotates in predetermined angular steps, and three stable postures can be obtained using a click mechanism or the like. The operation panel 5 is provided with indicators 8 on the panel that indicate the three stable positions of the knob 6 on the outer shaft. Further, on the surface of the outer shaft knob 6, indicators 9 on the knob are provided at predetermined angular steps.

Therefore, even if the outer shaft knob 6 is rotated in predetermined angular steps, the indicator 9 on the knob remains constant. That is, as shown in Fig. 2A, the knob 6 on the outer shaft
Indicator 9 on the knob when positioned at the center of rotation
and the indicator 9 on the knob when the knob 6 on the outer shaft is rotated to a position other than the center as shown in Fig. 2B and C.
are in the same position. By adjusting the center shaft knob 7 so that it matches the index 9 on this knob, the center shaft knob 7 can be operated accurately. In addition, both the knobs 6 and 7 on the outer and center shafts
There is no need to make the outer diameters of the knobs 6 and 6 the same.
There is no risk of accidentally operating 7 at the same time.

FIG. 3 is a diagram showing another application example of the knob of the dual-shaft operating member of the present invention, in which the outer shaft of the dual-shaft operating member can rotate 360° in predetermined angular steps. The operation panel 5 has indicators 10 on the panel all around at predetermined angular steps.
is provided. The knob 6 on the outer shaft has an indicator 9 on the knob at a predetermined angle step.
is provided. In this configuration, even if the knob 6 on the outer shaft is rotated, the index 10 on the panel and the index 9 on the knob always match, and the knob 7 on the center shaft is rotated on the panel through the index 9 on the knob. It is possible to accurately adjust the center axis by precisely matching the index.

(Effect of the invention) According to the knob of the double-axis operating member according to the present invention, the knob of the outer shaft, which is rotated at a predetermined angular step, is provided with an index of the predetermined angular step. This provides excellent effects such as being able to accurately adjust the center shaft knob using the index on the outer shaft knob as a guide without making the shaft knobs have the same outer diameter.

[Brief explanation of drawings]

FIG. 1 is a perspective view of one embodiment of the knob of the dual-axis operating member of the present invention, and FIGS. 2A, B, and C each illustrate the action of the knob of the dual-axis operating member shown in FIG. 1. FIG. 3 shows another example of application of the knob of the dual-shaft operating member of the present invention, and FIG. 4 shows a knob of a conventional dual-shaft operating member. 2, 6...Knob on the outer axis, 3, 7...Knob on the center axis, 9...Indicator.

Claims (1)

[Claims for Utility Model Registration] A knob of a dual-shaft operating member comprising an outer shaft that is rotated in predetermined angular steps according to an index displayed on the panel surface and a center shaft that is coaxial with the outer shaft, An indicator with the same step as the indicator displayed on the panel surface is provided around the outer shaft knob, so that even if the outer shaft knob is rotated, the index displayed on the outer shaft knob always remains constant. A knob of a double-shaft operating member characterized by: