JP2006076370A - Panel opening/closing mechanism and on-vehicle device using this panel opening/closing mechanism - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a panel opening/closing mechanism capable of smoothly opening/closing an operation panel regardless of a shape of the panel on an automobile side. <P>SOLUTION: The panel opening/closing mechanism has a sub-panel 30 for storing the operation panel 40; guide shafts 40e, 40f provided on a side surface of the operation panel; guide grooves 30d, 30e provided on a side surface of the sub-panel; a driving mechanism (arm member 20a and a driving shaft 40g) for opening/closing the operation panel; an opening button 41 for opening the operation panel; a restriction mechanism 46 for releasing restriction to the operation panel when the opening button is operated; and a switch 30f turned into ON state by being pressed by a back surface of the operation panel when the operation panel is turned and making the operation panel into the opened state by driving the push-out mechanism. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a panel opening / closing mechanism and an in-vehicle device using the panel opening / closing mechanism.

  Among in-vehicle devices such as car audio or navigation devices, there are types that include a retractable operation panel. An example of the configuration of this type of in-vehicle device is shown in FIG.

  As shown in the cross-sectional view of FIG. 11, the in-vehicle device 1 is disposed inside a panel 5 such as a dashboard of an automobile. As shown in this figure, the in-vehicle device 1 mainly includes an outer case 2, a sub panel 3, and an operation panel 4. Here, the outer case 2 has an electronic circuit board and the like inside. The sub panel 3 is provided on the front surface of the outer case 2 and has a structure for storing the operation panel 4. The operation panel 4 includes various adjustment buttons, a display unit, and the like. By operating the buttons, for example, various information can be reproduced and navigation can be executed.

  A guide shaft 4 a and a drive shaft 4 b are provided on the side surface of the operation panel 4. The guide shaft 4a is inserted into a guide groove 3a provided on the side surface of the sub panel 3, and opens and closes along the guide groove 3a when the operation panel 4 opens in the X direction.

  The drive shaft 4b is inserted into a drive hole 2b provided in the arm member 2a, and when the arm member 2a is moved in the X direction in FIG. 11 by an actuator (for example, a drive motor) built in the outer case 2. A driving force is applied in the direction in which the operation panel 4 opens.

  In addition, there exists what is described in patent documents 1-5 as an example of the structure which the operation panel 7 falls down like the vehicle-mounted apparatus 1 like this.

Japanese Unexamined Patent Publication No. 2000-40882 (see paragraph number 0020, FIG. 1 and FIG. 4) Japanese Patent Laid-Open No. 10-16654 (see paragraph number 0025, FIG. 4) JP 2000-76838 A (see paragraph number 0016, FIG. 1 and FIG. 3) JP 2002-87176 A (see paragraph number 0028, FIG. 6 and FIG. 7) JP 2003-168874 A (see paragraph number 0022, FIG. 5 and FIG. 9)

  The above-described in-vehicle device 1 has the following problems. That is, as shown in FIG. 12, when the operation panel 4 changes from a closed state to an open state, when the drive shaft 4a is driven in the X direction by the arm member 2a, the operation panel 4 is moved to the guide shaft 4a. Rotating around the center. At this time, when the distance between the end 5a of the panel 5 and the upper surface 4c of the operation panel 4 is not sufficiently separated, they come into contact with each other, and there is a problem in that the operation panel 4 cannot be opened and closed smoothly. is there.

  Therefore, as described in Patent Document 1, a configuration in which an operation panel slides forward and then opens and closes is disclosed. However, there is a problem that such a configuration cannot be applied to a configuration in which the panel 5A is arranged so as to cover a part of the operation panel 4A as shown in FIG.

  Further, as shown in FIG. 14, the drive shaft is arranged near the center in the width direction of the operation panel 4 to form the drive shaft 4Ab, thereby suppressing the upward movement of the operation panel 4 during rotation. Thus, it is conceivable to avoid contact between the operation panel 4 and the panel 5. However, in that case, since the length of the arm member 2Aa is longer than that in the case of FIG. 11, there is a problem that the strength of the arm member 2Aa is lowered. Such a problem occurs particularly when the width of the operation panel 4 is wide and when a notch is provided in the lower part of the arm member 2Aa to avoid contact with the operation panel 4 as shown in FIG. Becomes prominent.

  Furthermore, by devising the shape of the part of the operation panel that comes into contact with the panel, it is possible to avoid these contacts, but in that case, the design of the operation panel is restricted by the shape of the panel, There is a problem that the operation panel cannot be designed freely.

  Such a problem similarly occurs in the configurations disclosed in Patent Documents 2 to 5.

  The present invention has been made on the basis of the above circumstances, and an object thereof is to provide a panel opening / closing mechanism capable of smoothly opening and closing an operation panel regardless of the shape of the panel on the automobile side, and the panel opening / closing mechanism. The in-vehicle device used is to be provided.

  In order to solve the above-described problems, the present invention provides a panel opening / closing mechanism capable of opening and closing an operation panel relative to a main body by rotating the operation panel. A guide shaft provided on the side surface, a guide groove provided on the side surface of the sub-panel for rotating the operation panel when the guide shaft is inserted to open and close the operation panel and sliding the operation panel in the vertical direction; A drive mechanism that provides a driving force to open and close the panel, an open button that is operated when the operation panel is opened, and a rotation of the operation panel that is engaged with the sub panel and the open button is operated Is provided on the back surface of the sub-panel with the restriction mechanism for releasing the restriction on the operation panel, and the restriction of the restriction mechanism is released and the operation panel is rotated. The case is pressed by the back surface of the operation panel in a state of ON, in which includes a switch to an open state operation panel by driving the extrusion mechanism.

  Further, in addition to the above-described invention, in another invention, the guide groove has a predetermined width in the front-rear direction, and when the operation panel is closed, the guide shaft passes through the front of the guide groove, so that the operation panel Draw a trajectory to avoid the switch.

  In addition to the above-described invention, another invention has an urging mechanism for applying an urging force that pushes the operation panel forward.

  In addition to the above-described invention, another invention has a close button for controlling the push-out mechanism to close the operation panel.

  In another invention, in addition to the above-described invention, the upper end portion of the guide groove is refracted forward, and when the operation panel is closed, the guide shaft is located at the tip of the refracted portion. It is what is located.

  In another aspect of the invention, each of the inventions related to the panel mechanism described above is applied to an in-vehicle device.

  According to the present invention, it is possible to smoothly open and close the operation panel regardless of the shape of the panel on the automobile side.

  Hereinafter, a panel mechanism according to an embodiment of the present invention and an in-vehicle apparatus using the panel mechanism will be described with reference to FIGS.

  FIG. 1 is an exploded perspective view showing a configuration example of an in-vehicle device 10 according to an embodiment of the present invention. As shown in this figure, the in-vehicle device 10 includes an outer case 20, a sub panel 30, and an operation panel 40 as main components.

  Here, the outer case 20 is a member that covers each component inside the in-vehicle device 10. A control circuit (not shown) for the in-vehicle device 10 is provided inside the outer case 20. The control circuit receives signals from the operation buttons 42, 44, and 45 of the operation panel 40 and transmits a drive signal to the disk reproducing mechanism, or sends predetermined signals to the display 43 provided on the operation panel 40. / A display signal for displaying an image or the like is transmitted. Further, the control circuit can transmit a control signal for controlling the driving of the driving source for carrying in / out the recording medium to the driving source. The operation button 41 (open button) is configured as a mechanical button.

  The control circuit provided in the outer case 20 may not display predetermined characters / images. For example, the control circuit is provided in the sub panel 30 or the operation panel 40, and the sub panel 30 or the operation panel 40 is provided. The upper control circuit may control display of predetermined characters / images. Similarly, a control circuit for carrying in / out a recording medium may be provided outside the outer case 20.

  A sub-panel 30 is disposed close to the front side of the outer case 20. The near side refers to the side where the operation panel 30 in the closed state opens (the side away from the external case 20), and the far side refers to the side opposite to the closed side. The vertical direction (vertical direction) refers to the normal direction of the top surface of the outer case 20, and the horizontal direction refers to the longitudinal direction of the operation panel 30 in the closed state.

  The sub-panel 30 has a U-shaped cross section, and is attached to the outer case 20 so as to be substantially perpendicular so as to close the opening on the front side of the outer case 20. Further, a guide groove 30d and a guide groove 30e for fitting the guide shaft 40e and the guide shaft 40f provided on the operation panel 40 are provided on the left side surface 30a and the right side surface 30b of the sub panel 30, respectively. When the operation panel 40 is opened and closed, the guide shafts 40e and 40f move along the guide grooves 30d and 30e.

  A projection 30g of a biasing mechanism (details will be described later) for applying a forward biasing force to the operation panel 40 on the back surface 30c of the sub panel 30 and when the operation panel 40 falls to the back side. A projection 30f of a switch (details will be described later) that is pressed by the operation panel 40 to be turned on is disposed. A cable hole 30h for insertion of a flexible cable (not shown) for electrically connecting the control circuit built in the outer case 20 and the operation panel 40 is provided below the protrusion 30g. Is provided. Further, an arm hole (not shown) for inserting an arm member 20a (a part of the drive mechanism) for applying an urging force for opening and closing the operation panel 40 is provided on the right side of the back surface 30c. . A disk playback mechanism (not shown) for playing back music data recorded on a recording medium such as a CD (Compact Disk), a DVD (Digital Versatile Disk), and an MD (Mini Disk) inside the outer case 20. And an insertion slot for inserting a disc in the back surface 30c may be provided so that these recording media can be reproduced. In that case, the disc reproducing mechanism is elastically supported with respect to the outer case 20 by a floating mechanism (not shown).

  The operation panel 40 has operation buttons 41, 42, 44, 45 and a display 43 on its surface 40a. When the operation button 41 is operated, the operation panel 40 starts to open as described later. . When the operation button 42 is operated, the operation panel 40 starts to close. Further, when the operation buttons 44 and 45 are operated, information corresponding to the function of each button is generated and supplied to the control unit built in the external case 20 and supplied from the control unit. Information corresponding to the received signal is displayed on the display 43.

  A guide shaft 40e (not shown) is formed on the left side surface 40b of the operation panel 40 to be fitted in the guide groove 30d provided on the left side surface 30a of the sub panel 30 described above. Further, a guide shaft 40f that is fitted into a guide groove 30e provided on the right side surface 30b of the sub panel 30 is formed on the right side surface 40c of the operation panel 40.

  A drive shaft 40g (a part of the drive mechanism) that is inserted through the drive hole 20b provided in the arm member 20a is provided below the right side surface 40c of the operation panel 40. Here, since the drive shaft 40g is formed to be shorter than the guide shaft 40f, the drive shaft 40g is in contact with the right side surface 30b of the sub-panel 30 even when the operation panel 40 opens and closes. It can move smoothly. In this embodiment, the drive shaft 40g is provided only on the right side surface, but the drive shafts may be provided on both the left and right side surfaces and driven by two arm members. The guide shafts 40e and 40f and the drive shaft 40g may be formed integrally with the operation panel 40 or may be formed by separate members.

  At the left end of the upper surface 40h of the operation panel 40, a restriction mechanism 46 is provided for restricting the operation panel 40 from falling in the back direction. The restriction mechanism 46 is released from the restriction when the operation button 41 is operated. Details of the regulation mechanism 46 will be described later.

  2 is a cross-sectional view when viewed from the Y direction shown in FIG. 1 in a state where the operation panel 40 of the in-vehicle device 10 is closed. In this figure, the operation buttons 44, 45, etc. are omitted to simplify the drawing. As shown in FIG. 2, in a state where the operation panel 40 is closed, the restriction mechanism 46 contacts a part of the sub-panel 30, so that the operation panel 40 is restricted from falling (turning) in the back direction. . Further, since the guide shaft 40f provided on the side surface of the operation panel 40 is positioned at the tip of the bent portion of the guide groove 30e, the operation panel 40 is prevented from rattling in the vertical direction, for example. Further, a protrusion 30g of the urging mechanism 32 is in contact with the back surface 40d of the operation panel 40, and a urging force in the forward direction is always applied to the operation panel 40 by the urging force of the spring 32c. Here, the urging mechanism 32 includes a protrusion 30g, a frame 32a, a shaft 32b, and a spring 32c. The protrusion 30g transmits the restoring force generated in the spring 32c to the back surface 40d of the operation panel 40. The protrusion 30g is inserted through a hole provided in the sub-panel 30. However, since the base portion of the protrusion 30g is larger than the diameter of the hole, the protrusion 30g is located on the operation panel 40 side. It can be prevented from falling off. The frame 32a is made of, for example, a metal member, and has a hole through which the shaft 32b is inserted. The frame 32a is fixed to the sub panel 30, and when the projection 30g is pressed, the shaft 32b is held so as to move to the right in the figure, and the restoring force generated in the spring 32c is surely applied to the projection 30g. One end of the spring 32c is fixed so as to be transmitted. The spring 32c is compressed when the protrusion 30g is pressed by the back surface 40d of the operation panel 40, and generates a biasing force in a direction to push back the operation panel 40 by a restoring force.

  The switch 31 is an electrical switch, and when the upper end of the operation panel 40 falls in the back direction, the protrusion 30f is pressed by the back surface 40d of the operation panel 40 and is turned on. The switch 31 is connected to a control circuit built in the outer case 20, and when it is detected that the switch 31 is turned on, the control circuit drives an actuator (not shown) to provide an arm member. 20a is moved forward, and the operation panel 40 is controlled to be in an open state.

  FIG. 3 is a cross-sectional view showing the internal structure of the operation panel 40. As shown in this figure, the restricting mechanism 46 includes a rod-shaped member 46a, holding portions 46e and 46f, a spring 46g, and a locking portion 46h. Here, as shown in FIG. 4, the rod-like member 46 a has a top surface 46 b as an inclined surface, and a hole 46 c having an inclined surface 46 d is provided below the top surface 46 b. On the other hand, the operation button 41 that engages with the rod-shaped member 46a is configured by a rod-shaped portion 41a having an inclined surface 41c and a protruding portion 41b, and the tip of the rod-shaped portion 41a is inserted into the hole 46c of the rod-shaped member 46a. 41c and the inclined surface 46d are in contact with each other. As shown in FIG. 3A, in the normal state, the inclined surface 41 c of the rod-like portion 41 a of the operation button 41 is in contact with the inclined surface 46 d of the regulating mechanism 46. At this time, since the spring 46g fixed to the locking portion 46h urges the rod-shaped member 46a upward by a restoring force, this state is maintained unless the operation button 41 is operated.

  Next, as shown in FIG. 3 (b), when the projection 41b of the operation button 41 is pressed, the rod-like portion 41a enters the inside of the operation panel 40. The rod-shaped member 46a that is in contact with the inclined surface 41c is pushed downward. As a result, the upper end portion of the rod-shaped member 46a is retracted into the operation panel 40, so that the restriction is released and the operation panel 40 can be rotated in the Z direction indicated by an arrow in the drawing.

  As shown in FIG. 3, the operation button 42 (close button) includes a connecting portion 42a, a protruding portion 42b, and a switch 42c. When the protruding portion 42b is pressed, the operating button 42 (close button) is switched by the connecting portion 42a. 42c is turned on, and the signal is transmitted to a control circuit (not shown).

  Next, the operation of the above embodiment will be described. In the following, in order to simplify the description, the description will be made by paying attention to a mechanism portion (for example, the guide shaft 40f and the guide groove 30e) arranged at the right end of the operation panel 40.

  When the operation button 41 is pressed in the state where the operation panel 40 shown in FIG. 2 is completely closed, the rod-shaped member 46a is retracted into the operation panel 40 as described above with reference to FIGS. Then, the restriction by the restriction mechanism 46 is released (see FIG. 5). As a result, the operation panel 40 is in a state of being able to rotate in a direction in which the upper part is tilted back with the drive shaft 40g fixed by the arm member 20a as the center.

  In such a state, when the user applies a force to push the operation panel 40 in the back direction while pressing the operation button 41, the operation panel 40 has an upper end centered on the drive shaft 40g as shown in FIG. It turns so that the part falls down in the back direction. As a result, the protrusion 30g of the urging mechanism 32 is pressed by the back surface 40d of the operation panel 40, so that the urging force in the direction in which the operation panel 40 is pushed back is given. When the operation panel 40 is further pushed against this urging force, the projection 30f of the switch 31 is then pressed, so that the switch 31 is turned on.

  When the switch 31 is turned on, a control circuit (not shown) detects this, controls an actuator (not shown), and starts control to push the arm member 20a forward. Since the switch 31 is a trigger switch, the actuator is driven after this even if the switch 31 is not continuously pressed.

  When the arm member 20a is pushed forward, as shown in FIG. 7, the operation panel 40 rotates about the guide shaft 40f in the direction indicated by the arrow in the drawing, and the guide shaft 40f extends along the guide groove 30e. To move downward. As the arm member 20a moves forward, as shown in FIG. 8, the guide shaft 40f moves downward along the guide groove 30e, and the operation panel 40 increases in inclination as it moves. When the guide shaft 40f reaches the lower end of the guide groove 30e, the control circuit detects this and stops the operation of the actuator, and the operation for opening the operation panel 40 is completed.

  When the operation button 42 is pressed in a state where the operation panel 40 is fully opened, the control circuit detects this and controls the actuator to drive the arm member 20a in the direction of retracting into the external case 20. As a result, the guide shaft 40f moves upward along the guide groove 30e. At this time, when the upper end of the operation panel 40 comes to a position where the upper end of the operation panel 40 comes into contact with the protruding portion 30g of the urging mechanism 32, the urging mechanism 32 presses the operation panel 40 toward the front, so the guide shaft 40f It moves along the front side (left side of FIG. 9). As a result, when the operation panel 40 is closed, the switch 31 is not turned on. FIG. 10 is a diagram for explaining the locus drawn by the guide shaft 40f. As shown in this figure, when the operation panel 40 is opened, the guide shaft 40f moves along the downward arrow shown in the figure, and when it is closed, the guide shaft 40f moves along the upward arrow. That is, when opening the operation panel 40, since the user opens the operation panel 40 while pressing the operation button 41, the guide shaft 40f moves along the inner wall (the right side in the drawing) of the guide groove 30e. . On the other hand, when the operation panel 40 is closed, the user's force does not intervene and the operation panel 40 moves while being pressed forward by the urging mechanism 32, so that the front side of the guide groove 30e (the left side in the figure). The guide shaft 40f moves along the wall surface. In addition, the protrusion amount d to the back side of the guide groove 30e shown in FIG. 10 is set to about 1.5 mm, for example.

  When the guide shaft 40f returns to the tip of the portion bent toward the front side of the guide groove 30e, the restriction mechanism 46 is in the state shown in FIG. 3A and is locked.

  In the above description, the operation has been described focusing on the guide shaft 40f and the guide groove 30e. However, the operations of the guide shaft 40e and the guide groove 30d are the same as those described above, and thus detailed description thereof is omitted. To do.

  As described above, after the upper end of the operation panel 40 has fallen backward, the switch 42 is turned on so that the arm member 20a operates and the operation panel 40 is opened. Can be prevented from contacting the panel 50. For this reason, it is not necessary to care about the shape of the upper end of the operation panel 40, so that the degree of freedom in design can be increased.

  Further, since the operation panel 40 operates with the intervention of the user's force, the operation panel 40 can perform a desired operation without complicating the configuration of the device itself (for example, only one motor as an actuator is required). Is operational). For this reason, by simplifying the apparatus, it is possible to reduce the number of parts and reduce the manufacturing cost. Moreover, the simplification of the apparatus makes it possible to reduce the failure rate.

  Furthermore, since the drive shaft 40g can be disposed behind the operation panel 40, it is possible to prevent the strength of the arm member 20a from being lowered regardless of the width of the operation panel 40 in the front-rear direction.

  Although one embodiment of the present invention has been described above, the present invention can be variously modified in addition to this. This will be described below.

  That is, in the above-described embodiment, as shown in FIG. 1, one side surface of the operation panel 40 is driven by the arm member 20a, but both side surfaces of the operation panel 40 are driven by the two arm members. May be.

  In the above-described embodiment, the operation panel 40 is tilted by pressing the operation button 41 with the user's force. However, the operation panel 40 can be tilted by an actuator such as a motor. In this case, the operation button 41 and the regulation mechanism 46 are excluded, and when the operation button 42 is pressed, the current position of the operation panel 40 is detected, and the actuator is controlled according to the detected position. .

  In the above-described embodiment, the buttons 41 and 42, the regulating mechanism 46, the switch 31, and the urging mechanism 32 are provided at the left end, and the arm member 20a is provided at the right end. It is also possible to provide all at the left end, or provide all the buttons 41, 42, the regulating mechanism 46 and the arm member 20a at the right end.

  In the above-described embodiment, the urging mechanism 32 is configured by the protrusion 30g, the frame 32a, the shaft 32b, and the spring 32c. For example, a plate spring is simply provided and the back surface 40d of the operation panel 40 is provided. It is good also as a structure which presses.

  In the above-described embodiment, the regulating mechanism 46 includes the rod-shaped member 46a and the operation button 41 as main components. For example, when the operation button 41 is pressed by providing a crank mechanism, the sub panel The restriction by 30 may be released.

  In the above-described embodiment, the audio device is described as an example of the in-vehicle device 10. However, for example, a video reproducing device, a DVD reproducing device, a car navigation device, a personal computer that reproduces video or video and music, and the like. There are communication devices such as computers and telephones / faxes, which can be applied to various electric devices. In the case of a car navigation device or a video playback device, the operation panel 40 is, for example, a liquid crystal screen.

  The vehicle-mounted device and the panel mechanism of the present invention can be used in the field related to a vehicle-mounted device. The panel opening / closing mechanism can be used in the field of various electric devices.

It is a disassembled perspective view which shows the structure of the panel opening / closing mechanism of the vehicle-mounted apparatus which concerns on one embodiment of this invention. FIG. 2 is a diagram showing a state in which an operation panel is closed in the in-vehicle device of FIG. 1. FIG. 2 is a cross-sectional view showing an internal structure of an operation panel in the in-vehicle device of FIG. 1, (a) is a diagram showing a normal state, and (b) is a diagram showing a state when an operation button is pressed. . It is a figure which shows an example of the control mechanism in the vehicle-mounted apparatus of FIG. FIG. 2 is a diagram illustrating a state where an operation button is pressed in the in-vehicle device in FIG. 1. In the vehicle-mounted apparatus of FIG. 1, it is a figure which shows the state in which the operation button was pressed and the operation panel inclined. In the vehicle-mounted apparatus of FIG. 1, it is a figure which shows the state which the operation button was pressed and the arm member began to push ahead. FIG. 2 is a diagram illustrating a state in which an operation button is pressed and an arm member is pushed forward in the in-vehicle device in FIG. 1. In the vehicle-mounted apparatus of FIG. 1, it is a figure which shows the state by which the operation button was pressed and the arm member was drawn back. It is a figure which shows the locus | trajectory of a guide shaft in the vehicle-mounted apparatus of FIG. It is a figure which shows the structure of the panel opening / closing mechanism of the conventional vehicle-mounted apparatus, and is a figure which shows the state in which the operation panel is closed. FIG. 12 is a diagram illustrating a state in which an operation panel is rotating in the in-vehicle device in FIG. 11. It is a figure which shows the structure of the panel opening / closing mechanism of the other conventional vehicle-mounted apparatus. It is a figure which shows the structure of the panel opening / closing mechanism of the other conventional vehicle-mounted apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... In-vehicle apparatus 20 ... External case 20a ... Arm member (a part of drive mechanism)
30 ... Subpanel 30d, 30e ... Guide groove 31 ... Switch 32 ... Biasing mechanism 40 ... Operation panel 40e, 40f ... Guide shaft 40g ... Drive shaft (part of drive mechanism)
41 ... Operation button (open button)
42 ... Operation button (Close button)
46. Regulatory mechanism

Claims (6)

In a panel opening / closing mechanism capable of opening and closing the operation panel with respect to the main body by rotating the operation panel,
A sub-panel in which the operation panel is stored;
A guide shaft provided on a side surface of the operation panel;
A guide groove that is provided on a side surface of the sub-panel, rotates the operation panel when the guide shaft is inserted to open and close the operation panel, and slides up and down;
A driving mechanism for providing a driving force for opening and closing the operation panel;
An open button that is operated to open the operation panel;
A restriction mechanism that engages with the sub-panel to restrict the rotation of the operation panel, and releases the restriction on the operation panel when the open button is operated,
Provided on the back surface of the sub-panel, when the restriction by the restriction mechanism is released and the operation panel rotates, the operation panel is pressed by the back surface of the operation panel to turn on, and the push-out mechanism is driven to A switch for opening the operation panel;
A panel opening / closing mechanism comprising:   The guide groove has a predetermined width in the front-rear direction, and when the operation panel is closed, the guide shaft passes through the front of the guide groove so that the operation panel avoids the switch. The panel opening / closing mechanism according to claim 1, wherein:   The panel opening / closing mechanism according to claim 2, further comprising an urging mechanism that applies an urging force that pushes the operation panel forward.   The panel opening / closing mechanism according to claim 1, further comprising a close button for controlling the push-out mechanism to close the operation panel.   The upper end portion of the guide groove is refracted toward the front, and the guide shaft is located at a tip portion of the refracted portion when the operation panel is closed. The panel opening and closing mechanism according to 1.   An in-vehicle device using the panel opening / closing mechanism, comprising the panel opening / closing mechanism according to claim 1.

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