JP2015033924A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the occurence of rattling sounds during use of a movable display panel.SOLUTION: An electronic apparatus includes: an electronic apparatus body where a pair of guide grooves extending in a vertical direction at both side parts of the front side; a display panel which is disposed at a front surface of the electronic apparatus body and is arranged so as to incline relative to the electronic apparatus body; guide rollers 12 which are provided at both side parts of the display panel protruding therefrom and engage with guide grooves; and a slide part which moves one side of the display panel in a fore-and-aft direction with respect to the electronic apparatus body. The guide roller 12 has a non-circular cross section shape and is rotationally biased around an axis when viewed in a direction that the guide roller 12 protrudes.

Description

  The present invention relates to an electronic device, and more particularly to an electronic device having a display panel that is movable on the front surface of an electronic device body.

An in-vehicle electronic device such as an AV (Audio Visual) integrated car navigation device capable of reproducing a CD (Compact Disc), a DVD (Digital Versatile Disc) or the like is provided on a sub-panel constituting the front surface of the main body of the electronic device. A disk slot for inserting a disk-like recording medium such as a DVD or a DVD is provided, and a display panel that is movable so as to cover the front side thereof is provided.
The display panel is tilted when the disk-shaped recording medium is inserted and ejected to expose the disk slot.

  In addition, the display panel can be provided with a liquid crystal display for displaying operation screens and content, and various operation keys can be provided. It can be inclined with respect to (for example, refer patent document 1).

JP 2011-225181 A

As shown in FIGS. 8 and 9, in this type of in-vehicle electronic device 20, a slide portion 22 that can move back and forth is incorporated in the electronic device main body 21, and is rotatably connected to the lower side of the display panel 23. The guide roller 24 attached to the upper part of the side surface of the display panel 23 is engaged with the guide groove 26 formed in the vertical direction on the inner side surface of the sub-panel 25, and the slide part 22 that operates by driving the motor is electronic. By moving from the back side of the device main body 21 to the near side, the display panel 23 moves from a state where the display panel 23 covers the electronic device main body 21 to a state where the display panel 23 is tilted.
At this time, a clearance is provided between the guide groove 26 and the guide roller 24 to enable smooth movement.
Since the clearance is provided, rattle noise (rattle noise) occurs due to vibration during vehicle travel.
The objective of this invention is providing the electronic device which prevents generation | occurrence | production of the rattle sound by the movable mechanism of a display panel.

In order to achieve the above object, an electronic device according to the present invention includes an electronic device body 2 provided with a pair of guide grooves 15 extending in the vertical direction on both sides of the front side, and an electronic device disposed on the front surface of the electronic device body 2. The display panel 5 disposed so as to be tiltable with respect to the device body 2, the guide roller 12 projecting on both sides of the display panel 5 and engaging the guide groove 15, and one side of the display panel 5 are connected to the electronic device body. The guide roller 12 has a non-circular cross-sectional shape and is urged to rotate about an axis in the projecting direction. To do.
The guide roller 12 preferably has an elliptical cross-sectional shape and is urged to rotate about its center.

  In addition, the guide roller 12 is fitted to a shaft protruding from both sides of the display panel 5 and is preferably given a rotational biasing force by a torsion coil spring 11 hung between the guide roller 12 and the shaft. .

  Further, the torsion coil spring 11 may be configured to exert a compression spring action at the coil portion, and the guide roller 12 may be urged toward the back side of the guide groove 15 by a repulsive force of the compression spring.

  According to the electronic device of the present invention, it is possible to prevent the generation of rattle noise by the movable mechanism of the display panel.

1 is a perspective view of an in-vehicle device according to an embodiment of the present invention. It is a fragmentary perspective view of the display panel of the state which attached the guide roller in the vehicle equipment which concerns on the example of embodiment of this invention. It is a partial side view of the display panel of the state which attached the guide roller in the vehicle equipment which concerns on the embodiment of this invention. It is principal part sectional drawing of the state with the closed display panel in the vehicle equipment which concerns on the example of embodiment of this invention. It is principal part sectional drawing of the state in which the display panel in the vehicle equipment which concerns on the embodiment of this invention was opened. It is a side view which shows the state which attached the torsion compression coil spring to the axial part which concerns on the example of another embodiment of this invention. It is a side view which shows the state which attached the torsion compression coil spring and the guide roller to the axial part which concerns on the other embodiment of this invention. It is a conceptual fragmentary sectional view which shows the state which closed the display panel in a conventional structure. It is a conceptual fragmentary sectional view which shows the state which opened the display panel in a conventional structure.

  Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. In the figure, the X-axis is the front-rear direction, the plus side is the near side, the minus side is the back side, the Y-axis direction is the left-right direction, and the Z-axis is the up-down direction.

  The electronic device shown in these drawings is an in-vehicle electronic device 1 such as an AV-integrated car navigation device capable of reproducing CDs and DVDs, and is housed in a recess formed in an in-dash panel or the like in a vehicle interior. It is supposed to be fixed.

  As shown in FIG. 1, this in-vehicle electronic device 1 includes a sub-panel 3 attached at a position covering the front opening of the housing of the electronic device main body 2 and a motor (not shown) at the lower part in the electronic device main body 2 as a drive source. As shown in FIG. 1, a slide part 4 reciprocally moved in the front-rear direction, and a display panel 5 connected to the slide part 4 and movable between a closed position that covers the sub-panel 3 and an open position that exposes the sub-panel 3 in accordance with the movement. I have.

  The display panel 5 is provided with a liquid crystal display unit 6 for displaying contents, and a touch panel is mounted on the surface of the display panel 5 to display an operation screen on the liquid crystal display unit 6 so as to accept an operation instruction. .

The sub-panel 3 is integrally formed with a rectangular outer frame portion 7 that protrudes forward so as to surround the outer peripheral edge. When the display panel 5 is in the closed position, the outer periphery of the display panel 5 is formed by the outer frame portion 7. It will be surrounded.
A disk slot 8 for inserting and ejecting a disk-shaped recording medium such as a CD or a DVD is opened above the sub-panel 3.
A lower opening that extends along the lower side of the outer frame portion is opened at the lower portion of the sub-panel 3, and the slide portion 4 is inserted therethrough.

The display panel 5 covers the sub-panel 3 when in the standing position (closed position). When the slide part 4 is moved forward (moved forward) by the normal driving force of the motor in the closed position, the display panel 5 The disk slot 8 is exposed rearward, and a disk-shaped storage medium such as a CD or DVD can be inserted and ejected.
As shown in FIGS. 2 and 3, a torsion coil spring 11 and a guide roller 12 are fitted to an upper shaft 9 erected on a display panel back plate 10 constituting the display panel 5.
The guide roller 12 has an oval cross-sectional shape, and the base 13 is provided with a hole 14 with which the tip of the torsion coil spring 11 is engaged.
The torsion coil spring 11 is stretched over the display panel back plate 10 and the hole 14 of the guide roller 12, and urges the guide roller 12 to rotate counterclockwise in FIG.
As shown in FIG. 4, guide grooves 15 extending in the vertical direction are formed on the left and right sides of the outer frame portion 7 of the sub-panel 3.

  The width of the guide groove 15 is set to be larger than the minor axis of the elliptical guide roller 12 and smaller than the major axis, and the guide roller 12 engaged with the guide groove 15 is biased by the torsion coil spring 11. Thus, the guide groove 15 is in contact with two locations without clearance.

  Even if the display panel 5 is inclined due to the movement of the slide portion 4, the guide roller 12 that engages with the guide groove 15 is in a state without clearance due to the biasing force of the torsion coil spring 11, as shown in FIG. Always in contact with two locations of the guide groove 15.

  As described above, no gap is generated between the guide roller 12 and the guide groove 15 regardless of the inclination angle of the display panel 5, so that rattle noise can be prevented from being generated due to vibration caused by running of the vehicle.

  And, since it is configured to eliminate the gap by applying a load directly in the direction of rattling, rattle noise can be prevented by applying a minimum spring load, and no extra load is generated. Therefore, the driving load on the slide portion can be reduced, and it is difficult to cause abnormal noise due to sliding.

  A second embodiment of the present invention will be described with reference to FIGS. In the second embodiment, a torsion compression coil spring 17 that exhibits both the effects of the torsion coil spring and the compression coil spring on the upper shaft 16 is used instead of the torsion coil spring 11 of the first embodiment.

As shown in FIG. 6, the torsion compression coil spring 17 is fitted into the upper shaft, and then the guide roller 12 is fitted so that the compression coil spring 17 is compressed as shown in FIG. Engage with the groove 15.
With this configuration, the guide roller 12 is urged rightward in FIG. 7 due to the repulsive action of the torsion compression coil spring 17 against compression.
For this reason, the guide roller 12 is engaged with the guide groove 15 with no clearance in the axial direction, and the generation of rattle noise can be further prevented.

Although the cross-sectional shape of the guide roller has been described as an elliptical shape, it may be a non-circular shape whose dimension in the width direction changes due to rotation.

DESCRIPTION OF SYMBOLS 1 Vehicle-mounted electronic device 2 Electronic device main body 4 Slide part 5 Display panel 9, 16 Upper axis | shaft 11 Torsion coil spring 12 Guide roller 15 Guide groove 17 Torsion compression coil spring

Claims (4)

An electronic device main body provided with a pair of guide grooves extending in the vertical direction on both sides on the front side;
A display panel disposed on the front surface of the electronic device body and arranged to be tiltable with respect to the electronic device body;
A guide roller that protrudes from both sides of the display panel and engages with the guide groove;
An electronic device comprising a slide part for moving one side of the display panel in the front-rear direction with respect to the electronic device body,
The electronic apparatus according to claim 1, wherein the guide roller has a non-circular cross-sectional shape and is urged to rotate about an axis in a projecting direction. The electronic device according to claim 1, wherein the guide roller has an elliptical cross-sectional shape and is urged to rotate about its center. The guide roller is fitted to a shaft projecting from both sides of the display panel, and a rotational biasing force is applied by a torsion coil spring hung between the guide roller and the shaft. The electronic device according to claim 1 or 2. The said torsion coil spring is comprised so that there may be a compression spring effect | action in a coil part, and it urges | biases the said guide roller to the back side of the said guide groove by the repulsive force of a compression spring, The Claim 1 thru | or 3 characterized by the above-mentioned. Electronic equipment.

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