JP2007257852A - Jog switch structure having rotation volume - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a jog switch structure having a rotation volume that is compact and has improved operability while an operation section is integrated into one knob and designing performance is secured and the structure is simplified. <P>SOLUTION: In a form where jog switch operation and volume operation are made with the same member, a slide guide having a cross-shaped groove is arranged on the back of a panel, a switch substrate having a tact switch is fixed to the rear of the panel, a volume having a rotating shaft penetrating the panel is mounted, and a volume substrate having a projection fitted to the slide guide is supported while it is inclined freely to the front side of the switch substrate around the volume. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a jog switch structure with a rotary volume.

  In an on-vehicle audio device or an audio / video device represented by car audio and car navigation, the on / off of a switch, the volume is adjusted, and the image is scrolled up and down. Conventionally, as a means for such operation, a rotation operation unit (volume) A and a direction operation unit (jog) B are arranged as separate operation units as shown in FIG.

  In this structure, since two kinds of operation sections are necessary, it is necessary to secure a place, which is restricted by design. In addition, the operator has a difficulty in that erroneous operation is likely to occur due to the fact that there are two operation units.

As a countermeasure, the prior art has proposed a structure in which the jog switch and the volume can be operated with the same member.
In this prior art, a variable resistor having a rotating shaft protruding in front is fixed to the rear part, and tact switches are arranged at intervals of 90 degrees on the front panel spaced apart from the variable resistor. The operation rod was inserted through the hole, and the tip of the operation rod and the rotary shaft were connected by a universal joint.

In this structure, a position-fixed variable resistor has a rotary shaft with a universal joint at the tip, and the rear end of the operation rod is connected to the universal joint at the tip of the rotary shaft to swing the control rod. Therefore, a considerably long operating rod is necessary because the jog is performed in the front direction.Therefore, the distance between the operating panel and the main body of the device is increased, leading to an increase in size in the depth direction. There was a problem that the stability factor increased and the operational feeling and the certainty of the operation were not good.
Japanese Utility Model Publication No. 4-43940

  The present invention has been made in order to solve the above-described problems. The purpose of the present invention is to ensure that the operation unit is integrated into one knob to ensure design and to be simplified, and to be compact. An object of the present invention is to provide a jog switch structure with a rotating volume that is easy to operate.

  In order to achieve the above object, according to the present invention, in the type in which the jog switch operation and the volume operation are performed by the same member, a slide guide having a cross-shaped groove is provided on the back surface of the panel, while a tact switch is provided on the rear side of the panel. A volume substrate having a projection that fits the slide guide around the volume is mounted to be tiltable to the front side of the switch substrate. It is characterized by having supported.

  According to the present invention, since the rotation operation and the jog operation can be executed with one knob, the operation units are integrated into one, which is neat and effective in space. In addition, the tactile switch is switched by tilting the volume substrate while the projection protruding from the volume substrate is fitted and guided in the slide guide having a cross-shaped groove on the back of the panel. The operating force can be reliably transmitted with a good feeling of operation, and the rotation operation and the jog direction operation can be performed with a single knob, but a large space is not taken in the depth direction, and the device can be made compact.

In the present invention, the tact electrode on the back surface of the volume substrate is electrically connected to the electrode of the switch substrate by the conductive buffer member.
According to this, since the buffer material that supports the volume substrate in a tiltable manner also serves as the energizing means, the number of components can be reduced and the structure can be simplified.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
2 to 6 show an embodiment of a jog switch structure with a rotary volume according to the present invention, wherein 1 is a desired device body such as car audio and navigation, and 2 is an operation panel attached to the front surface of the device body 1. There is a front cross-shaped operation hole 20 at a desired position. Reference numeral 3 denotes a knob located on the front side of the operation hole.
Between the apparatus main body 1 and the operation panel, a switch board 4, a buffer member 5, and a volume board 6 are arranged in this order, and are assembled as shown in FIGS.

  The switch board 4 is fixed to the front surface of the device body 1, but four tact switches 7 corresponding to jogs are mounted at 90 ° intervals at the front surface position facing the operation hole 20 of the operation panel 2. In the vicinity of each tact switch 7, four electrodes 8 are arranged at equal intervals.

  Each buffer member 5 is disposed at a position facing the electrode 8 of the switch substrate 4. The buffer member 5 may be a chip such as rubber or a leaf spring. In this example, a coil spring is used. In the embodiment, since it also serves as an energizing means, it is made of a conductive material.

  The volume substrate 6 is formed by integrating a main body 6A and a support member 6B, and a volume 9 made of a variable resistor is mounted on the main body 6A. A shaft 90 of the volume 9 extends forward, and the operation panel 2 The knob 3 is fixedly protruded from the central portion of the operation hole 20. Four electrodes 10 are arranged on the back surface of the main body 6A at intervals corresponding to the electrodes 8 of the switch substrate 4.

  The support member 6B is made of a synthetic resin molded product or the like, and integrally includes four columnar protrusions 60 protruding in the direction of the operation panel from a position substantially corresponding to the electrode 10 and a connecting portion 61 that connects the vicinity of the base of each of the columnar protrusions 60 And is fixed to the surface of the main body 6 </ b> A with the rear end of the columnar protrusion 60 or the connecting portion 61.

  As shown in FIG. 4, four slide guides 21 are integrally formed on the back side of the operation panel 2 with a relationship corresponding to the periphery of the operation hole 20, particularly the axial direction of each columnar protrusion 60. Each slide guide 21 has a cross-shaped groove 210 having substantially the same width as the columnar protrusion 60, and a slope 211 is formed such that the bottom of each cross-shaped groove 210 becomes higher toward the outside.

Since the present invention is configured as described above, the volume substrate 6 is disposed on the front side of the buffer member 5 from the relationship shown in FIG. 3, the shaft 90 of the volume 9 is projected from the center of the operation hole of the operation panel 2, and the knob 3 is fixed to the shaft 90. With this assembly, the columnar protrusions 60 of the volume substrate 6 are fitted into the cross-shaped grooves 210 of the corresponding slide guides 21, and are completed as shown in FIG. Therefore, assembly is easy.
In this state, the volume substrate 6 is pressed from the buffer member 5 with an equal urging force, and the columnar protrusion 60 is in contact with the groove bottom at the center of the cross-shaped groove 210, so that the tact switch is not pressed.

In order to perform the jog operation, the knob 3 is pinched with a finger and applied in a desired direction in the vertical and horizontal directions. In this way, as shown in FIG. 6, the columnar protrusion 60 in the direction corresponding to the applied force and the columnar protrusion 60 at a position displaced by 180 degrees move in the cross-shaped groove 210 of the slide guide 21, and the groove bottom As it climbs up the slope 211, it makes sliding contact. Since the support member 6B having the columnar protrusion 60 is integral with the main body 6A, the volume substrate 6 presses and deforms the buffer member 5 at the applied position relatively strongly, so that the volume substrate 6 is tilted and mounted on the switch substrate. Press the specified 7-tact switch.
When the applied force to the knob 3 is released, the state of FIG. Therefore, the jog operation can be performed lightly and reliably.
When adjusting the volume, if the knob 3 is rotated, the shaft 90 is rotated. Even at this time, the distance between the action point and the force point is short, so that the operation can be performed smoothly and reliably.

  In the embodiment, the buffer member 5 is made of a conductive material, and the electrodes 7 and 10 are provided on the tact switch substrate 4 and the volume substrate 6 at positions where the buffer member 5 is installed. Is also easy. However, the present invention is not limited to this embodiment.

It is a perspective view of the conventional switch structure. It is a perspective view which shows one Example of the jog switch structure with a rotation volume concerning this invention. It is a disassembled perspective view of this invention switch structure. It is a perspective view of the operation panel back side. It is sectional drawing which shows the normal state of this invention switch structure. It is sectional drawing which shows the state at the time of jog operation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Apparatus main body 2 Operation panel 3 Knob 4 Switch board 5 Buffer member 6 Volume board 6A Main body 6B Support member 7 Tact switch 8,10 Electrode 9 Volume 21 Slide guide

Claims (2)

  In the type in which the jog switch operation and the volume operation are performed by the same member, a slide guide having a cross-shaped groove is provided on the back of the panel, and a switch board having a tact switch is fixed to the rear of the panel, and the panel A rotary volume mounted on a volume substrate having a rotary shaft that penetrates the volume substrate and provided with a projection that fits around the slide guide around the volume, and is tiltably supported on the front side of the switch substrate. Jog switch structure with.   The jog switch structure with a rotary volume according to claim 1, wherein the tact electrode on the back surface of the volume substrate is electrically connected to the electrode of the switch substrate by a conductive buffer member.

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