JP2005059778A - Front panel apparatus for instrument mounted on vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a front panel apparatus for instruments mounted on a vehicle, which front panel apparatus can smoothly carry out the tilting motion and the standing-up motion of a movable nose, and also can suppress a rattling noise. <P>SOLUTION: A guide roller 13 is attached to a support pin 17, protrusively arranged on the upper portion of a side surface of the movable nose 12. In addition, an annular member 14 made of rubber, etc. is attached to the support pin 17 at its root end side position nearer than the attaching position of the guide roller 13. The guide roller 13 and the annular member 14 can rotate independently of each other. The annular member 14 is brought into press contact with the guide wall 11b of the front panel 11. The guide roller 13 can be pressed against the side wall (front-edge portion) of a guide groove 16. Further, when the guide roller 13 rotates (rolls) in one direction, while the position of the guide roller 13 is restricted by the side wall of the guide groove 16, the annular member 14 rotates (rolls) in the other direction, while the position of the annular member 14 is restricted by the guide wall 11b. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a front panel device that is assembled to a front portion of a main body device in an on-vehicle audio device or video device, and in particular, includes a movable nose that can be driven in the front-rear direction to select a standing posture and a tilting posture. The present invention relates to a front panel device for in-vehicle equipment.

  In general, in audio equipment and video equipment incorporated for in-vehicle use, various operation keys, a display unit, a media insertion slot, and the like are arranged on a front panel fixed to the front part of the main unit. As the display unit becomes larger and the number of operation keys increases with the recent increase in functionality, all of these display units, operation keys, media insertion slots, etc. are placed in a limited space on the front panel. It becomes difficult to let them.

  For this reason, a movable nose that can be selected between a standing posture and a tilted posture has been placed in front of the front panel, and when the movable nose is standing up, the media insertion slot on the front panel is covered and the movable nose is tilted to some extent. Various front panel devices have been proposed that are configured such that the media insertion opening is exposed. In such a front panel device, a guide groove extending in the vertical direction is formed on both sides of the front panel fixed to the front portion of the main unit, and the guide grooves are formed on the upper portions of both sides of the movable nose. The attached guide roller is inserted. In addition, a slider that can reciprocate in the front-rear direction with respect to the main body device is rotatably connected to the lower part of both side surfaces of the movable nose, and the movable nose can be moved forward and backward using the motor as a drive source. The posture can be changed.

  That is, when the slider is retracted to the retracted position, the movable nose is held in the standing posture, so that the media insertion opening of the front panel is covered with the movable nose. When the slider is advanced by rotating the motor in one direction in this state, the lower part of the movable nose moves forward together with the slider, but the upper part of the movable nose is lowered because the guide roller moves along the guide groove. Therefore, the movable nose gradually tilts as the lower side protrudes forward. When the movable nose is tilted to some extent, the media insertion slot on the front panel is exposed, so that it is possible to insert media such as CDs and DVDs into the insertion slot and to eject media from the insertion slot. In addition, when the movable nose is held in the tilted posture in this way and the slider is moved backward by rotating the motor in the reverse direction, the lower part of the movable nose moves backward and the upper part rises. As the mobile nose rises to some extent as it stands up, the media insertion slot on the front panel is covered.

  In the front panel device having the movable nose as described above, the entire movable nose in the standing state can be used as a display area or a key operation area, and the movable nose is tilted only when the medium is inserted or ejected. Since the insertion port only needs to be exposed, there is an advantage that a relatively large display portion and a large number of operation keys can be arranged in a limited space. However, when the movable nose is tilted or stood up, the rotatable guide rollers attached to the upper portions of both side surfaces are guided in the vertical direction by the guide grooves on the front panel. A clearance is required between the roller and the guide groove, and there is a problem that the guide roller easily becomes a source of abnormal noise due to play caused by the clearance. In other words, since the guide roller is inserted into the guide groove while securing the clearance, the guide roller is likely to be separated from the side wall of the guide groove. It collides with the side wall and generates an abnormal noise called rattle noise.

  Therefore, conventionally, in order to suppress the occurrence of such abnormal noise, the guide roller is configured to abut against the side wall of the guide groove by using the elastic force of an elastic member such as rubber attached to a part of the guide roller. A front panel device has been proposed (see, for example, Patent Document 1).

  FIG. 11 is a diagram for explaining such a conventional technique. A guide roller 3 is rotatably attached to a support shaft 2 projecting from the upper part of the left and right side surfaces of the movable nose 1. A rubber cover 4 is attached to the large diameter portion by fitting. The movable nose 1 is disposed in front of a front panel (escussion) 5 fixed to the front surface of the main unit (not shown), and side plates 5a projecting forward are provided on the left and right sides of the front panel 5. ing. The side plate portion 5a is formed with a guide groove 6 extending in the vertical direction (a direction perpendicular to the paper surface in FIG. 11), and the guide roller 3 attached to the movable nose 1 secures a clearance while the guide groove 6 is in the guide groove 6. Has been inserted. The front panel 5 has a guide wall 5b formed in the vicinity of the side plate portion 5a, and a rubber cover 4 integrated with the guide roller 3 is in elastic contact with the guide wall 5b. Therefore, a reaction force from the guide wall 5 b acts on the guide roller 3 via the rubber cover 4, and the guide roller 3 is pressed against the side wall (front edge portion) of the guide groove 6 by this reaction force. .

Although not shown in the drawings, a slider that can reciprocate in the front-rear direction with respect to the main body device is rotatably connected to the lower portions of the left and right side surfaces of the movable nose 1. As a result, the movable nose 1 can be tilted and stood up. In other words, when the slider is driven and moved forward while the movable nose 1 is held in the standing posture, the lower side of the movable nose 1 protrudes forward, while the support shaft 2 passes through the guide roller 3 on the upper side. Since it descends while being guided by the guide groove 6, the movable nose 1 gradually tilts as a whole. When the movable nose 1 is held in a tilted position and the slider is driven and moved backward, the movable nose 1 moves backward on the lower side, but on the upper side, the support shaft 2 passes through the guide roller 3. Since it rises while being guided by the guide groove 6, the movable nose 1 gradually rises as a whole.
JP-A-9-309388 (page 2-3, FIG. 3)

  In the conventional proposal shown in FIG. 11, a rubber cover 4 is attached to a guide roller 3 for moving the support shaft 2 of the movable nose 1 along the guide groove 6, and the guide roller 3 By engaging, the generation of abnormal noise (rattle noise), which is a concern when vibration is applied from the outside, is suppressed, but this rubber cover 4 is guided when the movable nose 1 is tilted or stood. Since the roller 3 rotates integrally with the roller 3, there is a problem that undesired sliding resistance is easily generated between the roller 3 and the guide wall 5b. That is, the rotation center line of the guide roller 3 and the rubber cover 4 is formed between the side wall (front edge portion) of the guide groove 6 with which the guide roller 3 abuts and the guide wall 5b with which the rubber cover 4 abuts. Due to the existing relationship, when the guide roller 3 rolls while being regulated by the side wall of the guide groove 6 during the tilting or standing operation of the movable nose 1, the rubber cover 4 rolls relative to the guide wall 5b. Therefore, it must move while rotating in the opposite direction. Therefore, a relatively large sliding resistance is generated between the both 4 and 5b. As a result, there is a possibility that the movable nose 1 cannot be smoothly tilted or erected, and the load on the motor that is the driving source of the movable nose 1 is increased.

  SUMMARY OF THE INVENTION The present invention has been made in view of such a state of the art, and an object of the present invention is to provide a front panel device for an in-vehicle device that can smoothly perform a tilting operation and a standing operation of a movable nose and suppress the occurrence of rattle noise. Is to provide.

  In the present invention, a guide roller is attached to a spindle projecting from the upper part of the side surface of the movable nose, and an annular member is attached to the movable nose so that the guide roller and the annular member can rotate independently of each other. This annular member is for abutting against the wall surface of the front panel, and the reaction force from the wall surface can press the guide roller against the side wall of the guide groove. Further, when the guide roller rotates (rolls) in one direction while being regulated by the side wall of the guide groove, the annular member rotates (rolls) in the other direction while being regulated by the wall surface of the front panel.

  In the front panel device for in-vehicle equipment according to the present invention, an annular member that rotates independently of a guide roller provided on a support shaft of a movable nose is attached to the movable nose, and the annular member is brought into contact with the wall surface of the front panel. As a result, the guide roller can be brought into contact with the side wall of the guide groove, so that it is possible to suppress the generation of abnormal noise (rattle noise) that is a concern when vibration is applied from the outside. In addition, since the guide roller and the annular member can be rotated independently from each other, there is no possibility of undesired sliding resistance between the annular member and the wall surface, and the movable nose tilts and stands up. Can always be done smoothly.

  The present invention includes a front panel having a guide groove fixed to the front surface of the main unit and extending in the vertical direction on both sides, and a support shaft disposed in front of the front panel and projecting from the top of both sides. A movable nose having a rotatable guide roller attached thereto and the guide roller being inserted into the guide groove, and a driving means for driving the lower portion of the movable nose in the front-rear direction. In a front panel device of an in-vehicle device that can move between postures, an annular member that rotates independently of the guide roller is provided on the movable nose, and the annular member is brought into contact with a wall surface of the front panel Thus, the guide roller is configured to abut against the side wall of the guide groove.

  The front panel device configured as described above has an annular member that rotates independently of a guide roller provided on a support shaft of a movable nose attached to the movable nose, and the annular member abuts against the wall surface of the front panel. Thus, the guide roller can be brought into contact with the side wall of the guide groove, so that it is possible to suppress the generation of abnormal noise (rattle noise) that is a concern when vibration is applied from the outside. In addition, since the guide roller and the annular member can be rotated independently of each other, there is no possibility of undesired sliding resistance occurring between the annular member and the wall surface, and the movable nose is tilted or raised. Can always be done smoothly.

  In the above configuration, at least one member of the movable nose and the annular member is formed of an elastic material, and the one member elastically contacts the side wall of the guide groove or the wall surface of the front panel. It is preferable that the member abuts against the wall surface of the front panel or the side wall of the guide groove, and it is preferable that the annular member is rotatably attached to the support shaft at the base end side with respect to the attachment position of the guide roller.

  Further, in the above configuration, if a highly slipping member having a small sliding friction coefficient is interposed between the guide roller and the annular member, a mechanism for rotating the guide roller and the annular elastic portion independently of each other can be simplified. This is preferable because it can be realized.

  Further, in the above configuration, if a bending washer is extrapolated to the base end portion of the support shaft and the bending washer elastically biases the guide roller in the axial direction, the front panel can be moved along with a change in environmental temperature. When expanding and contracting, there is no concern that the guide roller will be loose or excessively pressurized in the axial direction, so the reliability at high and low temperatures is improved. However, even in a configuration that does not include a bending washer, it is possible to absorb backlash and pressure due to expansion and contraction of the front panel by elastically deforming an annular member made of rubber or the like in the axial direction.

  In the above configuration, the annular member abuts against the wall surface of the front panel in the vicinity of the upper portion of the guide groove, and the annular member is not in contact with the surface panel when the movable nose is tilted beyond a predetermined angle. This is preferable because the load on the motor, which is the driving source, can be reduced when the movable nose is largely inclined and rattle noise hardly causes a problem.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a sectional view of a main part of a front panel device according to a first embodiment of the present invention, and FIG. 2 is a state in which a movable nose is raised in the same embodiment. FIG. 3 is an enlarged view of the main part of FIG. 2, FIG. 4 is a perspective view showing the upper side of the movable nose in the same embodiment, FIG. 5 is an exploded perspective view corresponding to FIG. 4, and FIG. FIG. 7 is an explanatory diagram showing a state where the movable nose is tilted by a maximum amount, and FIG. 7 is an explanatory diagram showing a state where the movable nose is tilted by a maximum amount.

  The front panel device shown in these drawings is a device assembled on the front surface portion of the main body device 10 by a vehicle-mounted audio device, video device, or the like, and a front panel (escussion) fixed to the front surface portion of the main body device 10. 11, a movable nose 12 which is disposed in front of the front panel 11 and can be selected between a standing posture and a tilting posture, a guide roller 13 and rubber rings (annular ring) attached to the left and right side surfaces of the movable nose 12 Member) 14, a slider 15 that can reciprocate in the front-rear direction with respect to the main body device 10, and a motor (not shown) that is a drive source for moving the slider 15 back and forth via a gear train (not shown). ing.

  The front panel 11 is provided with media insertion openings (not shown) for inserting and ejecting media such as CDs and DVDs, and side panels 11 a that protrude forward are provided on the left and right sides of the front panel 11. ing. A guide groove 16 extending in the vertical direction is formed in the side plate portion 11a, and a guide wall 11b is formed at a position adjacent to the base end of the side plate portion 11a. A support shaft 17 protrudes from the upper part of the left and right side surfaces of the movable nose 12, and a rotatable guide roller 13 attached to the distal end side of the support shaft 17 is inserted into the guide groove 16. Further, a rubber ring 14 that rotates independently of the guide roller 13 and a pair of washers 18 and 19 that sandwich the rubber ring 14 from both sides in the axial direction are provided on the slightly larger base end side of the support shaft 17. It is attached. Since the rubber ring 14 is pressed (elastically contacted) with the guide wall 11b, the guide roller 13 is pressed against the side wall (front edge) of the guide groove 16 by the reaction force from the guide wall 11b. . Washers 18 and 19 are high-sliding members such as a synthetic resin having a low sliding friction coefficient. One washer 18 is interposed between the side surface of the movable nose 12 and the rubber ring 14, and the other washer 19 is rubber. It is interposed between the ring 14 and the guide roller 13. Further, the lower portions of the left and right side surfaces of the movable nose 12 are rotatably connected to the front end portion of the slider 15. By moving the slider 15 back and forth using the motor as a driving source, the movable nose 11 can be tilted. Standing operation can be performed. Although not shown, a relatively large display unit and a number of operation keys are arranged on the front surface of the movable nose 12.

  In the front panel device configured as described above, when the slider 15 is pulled into the retracted position as shown in FIG. 2, the movable nose 12 is held in an upright position. Covered by the movable nose 12. In this state, when the motor is rotated in one direction to advance the slider 15, the lower part of the movable nose 12 moves forward together with the slider 15, but the upper part of the movable nose 12 has a guide groove 17 via a guide roller 13. Since it descends while being guided by 16, the movable nose 12 gradually tilts as a whole. Therefore, when the display unit of the movable nose 12 is viewed as a monitor screen, the movable nose 12 may be held in a slightly tilted state as shown in FIG. Further, when inserting or ejecting media, as shown in FIG. 7, the movable nose 12 may be largely tilted to expose the media insertion opening of the front panel 11. Furthermore, when the movable nose 12 is held in the tilted posture and the motor 15 is rotated in the reverse direction and the slider 15 is moved backward, the lower part of the movable nose 12 moves backward and the upper part rises. The movable nose 12 gradually rises, and when the movable nose 12 rises to some extent, the media insertion opening of the front panel 11 is covered. However, as is apparent from FIGS. 6 and 7, the rubber ring 14 elastically contacts the guide wall 11b in the vicinity of the upper portion of the guide groove 16, and when the movable nose 12 is tilted beyond a predetermined angle, the rubber ring 14 is moved to the front panel. 11 is not contacted.

  In the first embodiment described above, the guide roller 13 can be brought into contact with the side wall (front edge) of the guide groove 16 by elastically contacting the rubber ring 14 with the guide wall 11b. It is possible to engage with the guide groove 16 in the absence of the above. In this case, abnormal noise (rattle noise) hardly occurs even when vibration is applied from the outside. However, the rattle noise becomes a problem when the movable nose 12 is standing or when the tilt angle is small, and when the movable nose 12 is largely tilted, the rattle noise hardly becomes a problem. Then, the guide wall 11b capable of contacting the rubber ring 14 is formed only on the upper side of the front panel 11. Thereby, when the movable nose 12 is largely tilted, the rubber ring 14 does not come into contact with the front panel 11, so that the load on the motor that is a driving source can be reduced.

  In this embodiment, the guide roller 13 attached to the support shaft 17 of the movable nose 12 and the rubber ring 14 rotate independently of each other, so that the position of the guide roller 13 is regulated by the side wall of the guide groove 16. However, when rotating (rolling) in one direction, the rubber ring 14 rotates (rolls) in the other direction while being regulated by the guide wall 11b, and is undesired between the rubber ring 14 and the guide wall 11b. No sliding resistance is generated, and therefore the movable nose 12 can be always tilted and erected smoothly.

  In this embodiment, high-sliding washers 18 and 19 are interposed between the side surface of the movable nose 12 and the rubber ring 14, and between the rubber ring 14 and the guide roller 13, respectively. Therefore, a mechanism for rotating the guide roller 13 and the rubber ring 14 independently of each other is easily realized.

  8 is a cross-sectional view of the main part of the front panel device according to the second embodiment of the present invention, FIG. 9 is a perspective view showing the upper side of the movable nose in the same embodiment, and FIG. 10 is an exploded perspective view corresponding to FIG. The parts corresponding to those in FIGS. 1 to 7 are denoted by the same reference numerals.

  8 to 10, the bending washer 20 is extrapolated to the base end portion of the support shaft 17, and the guide roller 13 is elastically biased in the axial direction by the bending washer 20. This is greatly different from the first embodiment described above. In the case of the present embodiment, the rubber ring 14 is externally fitted to the bobbin-shaped high slipping member 21, and the high slipping member 21 is sandwiched between the guide roller 13 and the bending washer 20 from both sides in the axial direction. . With such a configuration, when the front panel 11 expands and contracts with a change in the environmental temperature, there is no concern that the guide roller 12 is loose in the axial direction or excessively pressurized. Reliability at low temperatures is improved. However, even in the configuration of the first embodiment that does not include the bending washer 20, it is possible to absorb the backlash and pressure applied due to the expansion and contraction of the front panel 11 by the elastic deformation of the rubber ring 14 in the axial direction. Is possible.

  In each of the above embodiments, an annular member that uses a rubber ring is shown as an annular member that rotates independently of the guide roller. However, the annular member is not limited to an elastic member, but a ring made of synthetic resin or the like. It may be. In this case, the guide roller may be formed of an elastic body, or the annular member may be brought into pressure contact with the guide wall of the front panel by a separate urging member. Further, the annular member is not necessarily provided on the rotation support shaft of the guide roller, and for example, the annular member may be rotatably disposed on the rear surface of the movable nose.

It is principal part sectional drawing of the front panel apparatus which concerns on 1st Example of this invention. It is explanatory drawing which shows the state which raised the movable nose in 1st Example. FIG. 3 is an enlarged view of a main part of FIG. 2. It is a perspective view which shows the side part upper part of a movable nose in 1st Example. FIG. 5 is an exploded perspective view corresponding to FIG. 4. It is explanatory drawing which shows the state which slightly tilted the movable nose in 1st Example. It is explanatory drawing which shows the state which inclined the maximum amount of this movable nose. It is principal part sectional drawing of the front panel apparatus which concerns on 2nd Example of this invention. It is a perspective view which shows the side part upper part of a movable nose in 2nd Example. FIG. 10 is an exploded perspective view corresponding to FIG. 9. It is explanatory drawing which shows a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Main body apparatus 11 Front panel 11a Side plate part 11b Guide wall 12 Movable nose 13 Guide roller 14 Rubber ring (annular member)
15 Slider 16 Guide groove 17 Support shaft 18, 19 Washer (high-sliding member)
20 Bending washer 21 Highly slippery member

Claims (6)

A front panel that is fixed to the front surface of the main unit and has guide grooves extending in the vertical direction on both sides, and a support shaft that is disposed in front of the front panel and projects from the top of both sides. A movable nose in which a guide roller is attached and the guide roller is inserted into the guide groove, and driving means for driving a lower portion of the movable nose in the front-rear direction, and the movable nose is between an upright position and a tilted position. In the front panel device of in-vehicle equipment that can be moved by
An annular member that rotates independently of the guide roller is provided on the movable nose, and the annular roller abuts against the wall surface of the front panel so that the guide roller abuts against the side wall of the guide groove. A front panel device for a vehicle-mounted device, characterized in that it is configured.   In claim 1, at least one member of the movable nose and the annular member is formed of an elastic material, and the one member elastically contacts the side wall of the guide groove or the wall surface of the front panel. The other member abuts against the wall surface of the front panel or the side wall of the guide groove by the reaction force.   3. The front panel device for in-vehicle equipment according to claim 1, wherein the annular member is rotatably attached to the support shaft at a base end side with respect to an attachment position of the guide roller.   4. The front panel device for an on-vehicle device according to claim 3, wherein a high-sliding member having a small sliding friction coefficient is interposed between the guide roller and the annular member.   5. The vehicle-mounted vehicle according to claim 1, wherein a bending washer is extrapolated to a base end portion of the support shaft, and the bending washer elastically biases the guide roller in an axial direction. Equipment front panel device. The annular member according to any one of claims 1 to 5, wherein the annular member abuts against a wall surface of the front panel in the vicinity of an upper portion of the guide groove, and when the movable nose is tilted beyond a predetermined angle, the annular member is A front panel device for on-vehicle equipment, characterized in that it is non-contact with the panel.

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