JP2002104089A - On-vehicle electronic apparatus and driving mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an on-vehicle electronic apparatus equipped with proper adjustability for the service positioning of a display panel. SOLUTION: When a slide motor is rotatively driver, the display panel 1 makes sliding toward the front face of the body 3-see Fig. (a). When the position shown in (b) is reached, the slide motor stops. The a tilt motor starts rotating, and the display panel 1 makes tilting round the axis of an arm 21-see (c). With rotation of the tilt motor, the display panel 1 continues tilting and rotates to the position perpendicularly intersecting the arm 21-see (d). If rotation attains this position, the tilting motion is ended, which is followed by changing-over into the sliding motion, and the display panel 1 makes sliding in the direction of an arrow mark while it is positioned perpendicularly intersecting the arm 21-see (e).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle electronic device such as an in-vehicle television having a movable display panel (display monitor), and more particularly to an in-vehicle electronic device capable of appropriately adjusting the use position of the display panel. The present invention relates to an electronic device and a drive mechanism.

[0002]

2. Description of the Related Art Heretofore, there has been known a vehicle-mounted electronic device having a display panel (display monitor) typified by a vehicle-mounted television or the like. Some types of in-vehicle electronic devices are capable of storing a display panel in a storage section in the main body when not in use, and moving (transporting) the display panel to a use position on the front surface of the main body when in use. FIG. 10 shows an example of an in-vehicle electronic device having such a movable display panel. FIG. 10 is an external perspective view illustrating a state in which the display panel 101 has been transported to a use position on the front surface of the main body 103. In this in-vehicle electronic device, the display panel 101 is connected to the
3 so as to be movable.

[0003] Such a conventional vehicle-mounted electronic device will be described below with reference to FIG. FIG. 11 (a)
It is a top view for explaining the internal structure of an electronic device for vehicles. FIG. 11B is a cross-sectional view of the display panel 101. As shown in FIG. 11A, the in-vehicle electronic device includes a display panel 101, a tilt gear 111, a mechanical assembly 102, an arm 121, a slide motor 122, coaxial gears 123a and 123b, and a shaft 124.
, Tilt motor 125, transmission gears 126a, 126
b, the main body 103, and the slide rack gear 131.

[0004] The display panel 101 has two tilt gears 111 disposed on the back surface. The tilt gear 111 is fixed to the display panel 101 as shown in FIG.
And it is pivotally supported by the arm 121. Tilt gear 1
11 is engaged with the transmission gear 126a and the like,
With the rotation of a, the display panel 101 rotates together with the display panel 101.

The mechanical assembly 102 includes an arm 121
And transmission gears 126a and 126b to hold the display panel 101 rotatably and
Is held movably. Specifically, the arm 121
Supports the coaxial gear 123a and the transmission gear 126b, and also supports the tilt gear 111. The slide motor 122 drives the coaxial gear 123a and the like to rotate. The coaxial gears 123 a and 123 b are joined via a shaft 124, engage with the slide rack gear 131, and rotate with the rotation of the slide motor 122. The coaxial gear 123a,
When the 123b rotates, the mechanical assembly 102 slides on the slide rack gear 131. The tilt motor 125 drives the transmission gear 126a to rotate. The transmission gears 126a and 126b are connected to the tilt gear 111.
Engage with. The transmission gear 126a is connected to the tilt motor 125
And the display panel 101 is rotated.

Although not shown, the main body 103 is provided with a storage section for storing the display panel 101 and the like, a control circuit for controlling the display of the display panel 101, and the like. Similarly,
A drive circuit for driving the slide motor 122 and the tilt motor 125 is also provided. Further, a slide rack gear 131 is disposed on the main body 103. The slide rack gear 131 is engaged with the coaxial gear 123a and the like, and the mechanical assembly 1 is connected via the coaxial gear 123a and the like.
02 is slidably held. The in-vehicle electronic device having the above-described configuration is used by being attached to a storage location (for example, an opening of an instrument panel) in a vehicle.

Hereinafter, the operation of the conventional on-vehicle electronic device will be described with reference to FIG. FIGS. 12A to 12D
FIG. 3 is a schematic diagram for explaining how the display panel 101 is transported from a storage position in the main body 103 to a use position on the front surface of the main body 103.

First, the slide motor 122 starts rotating, and the coaxial gears 123a and 123b rotate with the rotation of the slide motor 122. Then, the mechanical assembly 102 moves on the slide rack gear 131 by the rotation of the coaxial gear 123a and the like. With the movement of the mechanical assembly 102, the display panel 101 slides toward the front surface of the main body 103 as shown in FIG.

[0009] As shown in FIG.
When 01 is completely discharged from the inside of the main body 103, the slide motor 122 stops rotating. Then, this time, the tilt motor 125 starts rotating. With the rotation of the tilt motor 125, the rotational driving force is changed to the tilt gear 11.
1 and the tilt gear 111 rotates around the support shaft of the arm 121. That is, the display panel 101
Performs a tilt operation so as to rise in the direction of the arrow as shown in FIG.

The display panel 101 includes a tilt motor 125
The tilt operation is continued as it is with the rotation of
As shown in (d), for example, it rotates to a use position orthogonal to the arm 121. When the display panel 101 rotates to the use position, the rotation of the tilt motor 125 stops, and the rotation of the display panel 101 also stops. in this way,
The conventional in-vehicle electronic device replaces the display panel 101 housed in the main body 103 when the user uses it.
It can be properly transported to the use position on the front of the printer.

[0011]

However, in the above-mentioned in-vehicle electronic device, the use position of the display panel 101 may not be an appropriate position. For example, FIG.
As shown in (d), in a case where the air outlet 104 of the air conditioner is arranged above the main body 103 stored in the vehicle, the display panel 101 stopped at the use position is the air outlet 1.
04 is blocked, and discharge of cold air or the like from the outlet 104 is prevented. In addition, the display panel 101 stopped at the use position may hinder the user from operating the buttons of the main body 103 or the like.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a vehicle-mounted electronic device and a drive mechanism capable of appropriately adjusting the use position of a display panel.

[0013]

According to a first aspect of the present invention, there is provided a vehicle-mounted electronic device having a movable display panel, comprising a tilt gear unit and a rack gear. And a unit that is integrally formed and fixed to the display panel, and rotates according to a predetermined driving force while being engaged with the compound gear, and transmits the driving force to the display panel via the compound gear. In accordance with the transmission gear and the driving force transmitted to the display panel via the composite gear,
And a holding mechanism for holding the display panel rotatably and movably.

According to the present invention, in the compound gear, the tilt gear portion and the rack gear portion are integrally formed and fixed to the display panel. The transmission gear rotates according to a predetermined driving force while being engaged with the compound gear, and transmits the driving force to the display panel via the compound gear. The holding mechanism rotatably and movably holds the display panel according to the driving force transmitted to the display panel via the compound gear. As described above, the display panel held by the holding mechanism performs a tilt operation (rotation) and a slide operation (movement). Then, the display panel is carried to a desired use position by the sliding operation. As a result, the use position of the display panel can be appropriately adjusted.

The holding mechanism tilts the display panel when the transmission gear rotates while engaging with the tilt gear of the composite gear, and rotates the transmission gear while engaging with the rack gear of the composite gear. The display panel may be held so that the display panel is slid when performing the operation.

The compound gear has a guide groove of a predetermined shape formed on a side surface thereof, and the holding mechanism holds a guide member which fits into the guide groove formed on the compound gear, and holds the guide member. And an arm that performs the operation.

[0017] The holding mechanism may further include an adjusting member for adjusting an angle of the guide member with respect to the arm. In this case, the angle of the display panel can be appropriately adjusted by operating the adjustment member.

In order to achieve the above object, a driving mechanism according to a second aspect of the present invention is a driving mechanism for driving a display panel on the front of a vehicle-mounted electronic device, and has a tilt gear portion and a rack gear portion. A composite gear fixed to the display panel, a transmission gear engaged with the composite gear and transmitting a predetermined driving force to the display panel via the composite gear, and a transmission gear to the display panel via the composite gear. Holding means for holding the display panel rotatably and movably according to the transmitted driving force.

According to the present invention, the compound gear has the tilt gear portion and the rack gear portion, and is fixed to the display panel. The transmission gear is engaged with the compound gear and transmits a predetermined driving force to the display panel via the compound gear. Holding means,
The display panel is rotatably and movably held according to the driving force transmitted to the display panel via the compound gear. Thus, the display panel held by the holding means performs a tilt operation (rotation) and a slide operation (movement). Then, the display panel is carried to a desired use position by the sliding operation. As a result, the use position of the display panel can be appropriately adjusted.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An on-vehicle electronic device having a movable display panel (display monitor) according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an external perspective view showing a state in which the display panel 1 has been transported to a use position on the front surface of the main body 3. In this in-vehicle electronic device, the display panel 1 is movably held by the main body 3 via the arm 21. The in-vehicle electronic device stores the display panel 1 in a predetermined storage section in the main body 3 when not in use, and moves (conveys) the display panel to a use position on the front surface of the main body 3 when in use. Hereinafter, this in-vehicle electronic device will be described with reference to FIG. FIG. 2 (a)
FIG. 2 is a plan view for describing an internal structure of the vehicle-mounted electronic device. FIG. 2B is a side view of the display panel 1.

As shown in FIG. 2A, the on-vehicle electronic device is roughly divided into a display panel 1, a mechanical assembly 2, and a main body 3, and further includes a tilt gear rack 11, an arm 21, and a slide. The motor 22, the coaxial gear 23a,
23b, shaft 24, tilt motor 25, transmission gear 2
6a and 26b and a slide rack gear 31.

The display panel 1 is a panel (monitor) having an LCD (Liquid Crystal Display) unit and the like on its surface, as shown in FIG. Further, two tilt gear racks 11 are fixed to the back surface of the display panel 1 as shown in FIG.

As shown in FIG. 2B, the tilt gear rack 11 is composed of a compound gear in which a tilt gear portion and a rack gear portion are integrally formed. The tilt gear rack 11 is engaged with the transmission gear 26a (the transmission gear 26b), and the transmission gear 2
With the rotation of 6a, it moves together with the display panel 1. A guide groove 12 having a shape as shown in FIG. 2B is formed in the tilt gear rack 11. As shown in the figure, the guide groove 12 is composed of two fan-shaped grooves formed near the tip of the tilt gear rack 11 (near the tilt gear portion) and a straight groove formed along the rack gear portion of the tilt gear rack 11. Have been. A guide roller fixed to the arm 21 and described later is fitted into the guide groove 12.

The mechanical assembly 2 is a drive mechanism for ejecting the display panel 1 from the inside of the main body 3 and arranging the display panel 1 at a use position on the front surface of the main body 3. Arms 21 are provided at both ends of the mechanical assembly 2, and the display panel 1 is held through the arms 21.

The arm 21 supports a coaxial gear 23a, a transmission gear 26b, and the like. Further, a guide roller 27 as shown in FIG.
Has been fixed. As shown in FIG. 3A, the guide roller 27 is connected to the arm 2 via a support shaft 28 having a predetermined length.
1 and fitted into the guide groove 12 of the tilt gear rack 11. That is, the arm 21 is
Is fitted into the guide groove 12 so that the display panel 1
Hold. As shown in FIG. 3B, two rollers 29 are rotatably held by the guide roller 27.
That is, although the guide roller 27 itself is fixed to the arm 21, each rotatable roller 29 abuts on the wall surface of the guide groove 12 in a state fitted in the guide groove 12. When the display panel 1 moves, each roller 29 rotates in the guide groove 12, so that the tilt gear rack 1 is moved.
Smooth 1 movement.

Returning to FIG. 2A, the slide motor 22
Are arranged at predetermined positions of the mechanical assembly 2.
The slide motor 22 engages with the coaxial gear 23a via, for example, a helical gear fitted to the rotating shaft. The slide motor 22 transmits the driving force generated by the rotation drive to the coaxial gear 23a and the like.

The coaxial gears 23a and 23b are supported by a shaft 24. Further, the shaft 24 is held between the two arms 21. The coaxial gear 23a is provided with the slide motor 2
2 helical gears and coaxial gears 23a and 23
b engages with the slide rack gear 31. That is, when the slide motor 22 rotates, the coaxial gear 2
3a, the driving force is transmitted to the coaxial gear 23 by the shaft 24.
a and 23b rotate together. Then, by the rotation of the coaxial gear 23a and the like, the mechanical assembly 2 slides on the sliding rack gear 31 with which it is engaged. At this time, the display panel 1 held via the arm 21 and the like also moves. That is, the display panel 1 moves in either the discharge direction (the L direction in the drawing) or the storage direction (the R direction in the drawing) according to the rotation direction of the slide motor 22.

The tilt motor 25 includes a mechanical assembly 2
At a predetermined location. The tilt motor 25 engages with the transmission gear 26a via, for example, a helical gear fitted to the rotation shaft, and transmits the driving force generated by the rotational drive to the transmission gear 26a.

The transmission gears 26a and 26b are supported by the arm 21. The transmission gear 26a is connected to the tilt motor 25
And the transmission gears 26a, 26b
Engages with the tilt gear rack 11. That is, the transmission gear 26a rotates with the rotation of the tilt motor 25. Then, the rotation of the transmission gear 26a moves the tilt gear rack 11 (display panel 1) to be engaged. The movement operation of the display panel 1 will be described later.

Although not shown, the main body 3 includes a storage section for storing the display panel 1 and the like, a control circuit for controlling the display of the display panel 1 (LCD unit and the like), and the like.
Similarly, a drive circuit for driving the slide motor 22 and the tilt motor 25 is also provided. Further, a slide rack gear 31 is arranged on the main body 3.

The slide rack gear 31 is provided with the coaxial gear 2.
3a and the like. That is, the main body 3 slidably holds the mechanical assembly 2 via the slide rack gear 31 and the like.

Hereinafter, the movement operation of the display panel 1 accompanying rotation of the transmission gear 26a (rotational drive of the tilt motor 25) will be described with reference to FIG. 4 (a) to 4 (c)
FIG. 5 is a schematic diagram for explaining a movement operation (tilt operation and slide operation) of the tilt gear rack 11 (display panel 1).

When the transmission gear 26a is engaged with the end of the tilt gear rack 11 (the end of the tilt gear portion), the tilt gear rack 11 (display panel 1)
As shown by the solid line in FIG. In this state, when the transmission gear 26a rotates in a predetermined direction in accordance with the rotation of the tilt motor 25, the tilt gear rack 11 performs a tilt operation in the direction of the arrow in FIG. That is, the tilt gear rack 1
1 is held by the arm 21 via a guide roller 27 fitted in the guide groove 12,
About the support shaft 28 of the motor. At this time, since each roller 29 of the guide roller 27 rotates while abutting on the wall surface (arc of the fan-shaped portion) of the guide groove 12, the tilt gear rack 11 rotates smoothly.

When the tilt gear rack 11 moves to a position orthogonal to the arm 21 shown in FIG. 4B by such a tilt operation, the transmission gear 26a engages with the rack gear portion of the tilt gear rack 11. That is, the tilt operation of the tilt gear rack 11 ends, and the operation switches to the slide operation. In this state, as shown in FIG. 4B, the guide roller 27 (each roller 29)
In contact with the end of the fan-shaped groove (the end of the linear groove).

When the transmission gear 26a further rotates from this state, the tilt gear rack 11 to be engaged slides in the direction of the arrow in FIG. 4B. That is, the tilt gear rack 11 is held by the arm 21 via the guide roller 27, and moves along the linear groove of the guide groove 12 as shown in FIG. At that time, the guide roller 27
Roller 29 rotates while abutting against the wall surface of the guide groove 12 (wall surface of the linear groove portion).
1 slides smoothly. Thus, the tilt operation and the slide operation can be performed on the display panel 1 by one tilt motor 25.

Hereinafter, a specific operation of the vehicle-mounted electronic device according to this embodiment will be described with reference to FIG. FIGS. 5A to 5H are schematic diagrams for explaining an operation until the display panel 1 stored inside the main body 3 is arranged at the use position on the front surface of the main body 3. It is assumed that the in-vehicle electronic device is attached to a storage location (for example, an opening of an instrument panel) in the vehicle.

First, with the display panel 1 housed inside the main body 3, the slide motor 22 is driven to rotate, and the mechanical assembly 2 slides. That is, the rotational driving force of the slide motor 22 is transmitted to the coaxial gear 23a, and the coaxial gears 23a and 23b rotate together. And
The rotation of the coaxial gear 23a and the like causes the mechanical assembly 2 to slide on the slide rack gear 31. With the movement of the mechanical assembly 2, the display panel 1 slides toward the front of the main body 3 as shown in FIG.

When the display panel 1 (mechanical assembly 2) moves to a predetermined position, the slide motor 22 stops rotating. That is, as shown in FIG. 5B, when the display panel 1 reaches a predetermined position where the display panel 1 is completely discharged to the front surface of the main body 3, the slide motor 22 is rotated by, for example, pressing a micro switch. Stop.

When the rotation of the slide motor 22 stops,
This time, the tilt motor 25 starts rotating. With the rotation of the tilt motor 25, as shown in FIG. 5C, the display panel 1 moves the axis of the arm 21 (the guide roller 2).
7) around the support shaft 28). That is, the rotational driving force of the tilt motor 25 is transmitted to the transmission gear 26a, and the transmission gear 26a is engaged with the tilt gear portion of the tilt gear rack 11, as shown in FIG. The tilt operation is performed so as to get up in the direction. At this time, the tilt gear rack 11 is held by the arm 21 via the guide roller 27 fitted in the fan-shaped groove of the guide groove 12, and rotates around the support shaft 28 of the guide roller 27.

The display panel 1 continues the tilting operation with the rotation of the tilt motor 25, and rotates to a position orthogonal to the arm 21, for example, as shown in FIG. When the display panel 1 rotates to this position, FIG.
As shown in (g), the transmission gear 26a is engaged with the engagement rack gear portion beyond the tilt gear portion of the tilt gear rack 11. At this time, the guide rollers 27 (each roller 29)
Is the end of the fan-shaped groove of the guide groove 12 (the end of the linear groove)
Abut. Thereby, the tilt operation of the tilt gear rack 11 is completed, and the operation is switched to the slide operation. In this state, the display panel 1 covers, for example, an air outlet 4 of an air conditioner which is disposed in advance on an upper portion of the main body 3.

When the display panel 1 is switched to the slide operation, the display panel 1 slides in the direction of the arrow while being orthogonal to the arm 21, as shown in FIG. That is, as shown in FIG. 5H, the transmission gear 26a rotates while engaging with the rack gear portion of the tilt gear rack 11, so that the tilt gear rack 11 slides in the direction of the arrow.

By this sliding movement, as shown in FIG. 5 (e) and the like, the display panel 1 moves to a use position which does not cover the outlet 4, and then stops. Thus, the display panel 1 can be moved to the use position avoiding the outlet 4 and the like. As a result, the use position of the display panel 1 can be appropriately adjusted.

In the above embodiment, the driving force of the tilt motor 25 is transmitted to the transmission gear 26a, and the display panel 1 is moved via the tilt gear rack 11. However, the display panel 1 may be moved manually. Good. Hereinafter, display panel 1
With reference to FIG. 6, a description will be given of a modification of the in-vehicle electronic device capable of manually moving the electronic device. FIG. 6 is a plan view (main part) in which the configuration of the on-vehicle electronic device shown in FIG. 2A is partially changed.

The on-vehicle electronic device shown in FIG. 6 is different from the on-vehicle electronic device shown in FIG.
a is removed, and instead, a shaft 51, an E-ring 52, a spring 53, a clutch gear 54, and a felt 55 are arranged.

The shaft 51 is a columnar body that supports the clutch gear 54 and the like, and stands upright on the side surface of the arm 21. The E-ring 52 is fitted to the shaft 51 and fixes one end of a spring 53 passed through the shaft 51. Spring 53
Is made of a coil spring or the like having a predetermined elastic force, is passed through the shaft 51, and is held between the shaft 51 and the clutch gear 54. The spring 53 urges the clutch gear 54 supported by the shaft 51 toward the felt 55.

The clutch gear 54 is rotatably supported by the penetrated shaft 51. Clutch gear 54
Engages with the tilt gear rack 11 and rotates with the movement operation of the tilt gear rack 11 (tilt operation and slide operation due to the force manually applied to the display panel 1). The clutch gear 54 is urged toward the felt 55 by the spring 53, and maintains the current position by the frictional force generated between the clutch gear 54 and the felt 55. That is, the clutch gear 54 does not rotate unless a predetermined force or more is applied via the tilt gear rack 11.

The felt 55 is made of wool or the like processed into a predetermined shape, and is sandwiched between the clutch gear 54 and the arm 21. The felt 55 is fixed to, for example, the arm 21 and applies a predetermined frictional force to the clutch gear 54 that rotates.

The on-vehicle electronic device shown in FIG.
When the user manually applies a predetermined force or more to the display panel 1, the clutch gear 54 and the like engaged with the tilt gear rack 11 rotate, and the display panel 1 moves. That is, the display panel 1 is motorless, and
The tilt operation shown in FIG. 5C is performed, and the tilt operation shown in FIG.
The slide operation as shown in FIG. Also in this case, the display panel 1 can be moved to a use position avoiding the outlet 4 and the like. As a result, the use position of the display panel 1 can be appropriately adjusted.

Although the on-vehicle electronic device shown in FIG. 6 has a clutch structure including a spring 53, a clutch gear 54, a felt 55, and the like, such a clutch structure can be obtained by applying a predetermined tension to the display panel 1. The display panel 1 can also be moved manually without using the display panel. For example, by applying tension to the display panel 1 from a tension spring disposed on the mechanical assembly 2, the display panel 1 is prevented from moving due to its own weight or the like, and in this state, the display panel 1 can be manually moved. Good.

Further, the tilt operation and the slide operation of the display panel 1 may be realized without using the tilt gear rack 11 or the like. For example, a tilt operation can be performed using a hinge, and a slide operation can be performed using a slide mechanism. Specifically, the display panel 1 is tilted by a hinge, and a slide mechanism with tension is further provided between the hinge and the display panel 1 so that the display panel 1 can be manually moved. Is also good.

In the above embodiment, FIG.
As shown in the figure, the guide roller 27 is fixed to the arm 21 so that the angle of the display panel 1 cannot be adjusted. However, the guide roller 27 and the like can be rotated to adjust the angle of the display panel 1 and the like. May be performed. Hereinafter, a modified example of the in-vehicle electronic device capable of adjusting the angle of the display panel 1 will be described with reference to FIG. FIG. 7 shows the guide roller 27 shown in FIG.
FIG. 9 is an exploded perspective view of a guide roller 61 and the like in which the configuration of an arm 21 and the like are changed.

The guide roller 61 is fixed to one end of a support shaft 62, and is rotatably held by a knob 67 or the like via the support shaft 62 or the like. One end of the support shaft 62 is fixed to the guide roller 61, and the other end is fixed to the knob 67. That is, the support shaft 62 is inserted into the through hole 64 a provided in the arm 64 and the through hole 65 a of the ratchet 65 while the spring 63 is passed through. Then, a screw 68 passing through a screw hole 67b of the knob 67 is screwed into a screw hole 62a provided at the end, and fixed to the knob 67.

The spring 63 is made of a coil spring or the like having a predetermined elastic force.
1 and the arm 64, the guide roller 6
Energize 1 mag. The arm 64 is substantially the same as the arm 21 shown in FIG. 3A, and is fixed to the mechanical assembly 2. The arm 64 has a through hole 64 a for passing the support shaft 62 and a screw hole 64 for screwing the screw 66.
b.

The ratchet 65 is formed of a ratchet and the like having a plurality of convex portions (claw portions), and has a through hole 65a for passing the support shaft 62 and a screw through hole 65b for passing the screw 66. I have. The ratchet 65 is fixed to the arm 64 by a screw 66. The screw 66 passes through the screw through hole 65 b of the ratchet 65 and is screwed with the screw hole 64 b of the arm 64.

The knob 67 allows the user to guide the guide roller 61.
, And is provided with a protrusion 67a and a screw through hole 67b. The knob 67 has a through hole 64a of the arm 64 and a through hole 6 of the ratchet 65.
It is fixed to the support shaft 62 passing through 5a. Knob 67 is
It rotates together with the guide roller 61 by a user operation. Note that a plurality of recesses are provided on the back surface of the knob 67, and the ratchet 6 is set in accordance with the rotational position of the knob 67.
5 with the convex portion. The screw 68 passes through the screw through hole 67b of the knob 67 and the support shaft 6 with the ratchet 65 or the like in between.
It is screwed with the second screw hole 62a.

The guide roller 61 shown in FIG.
Is fitted in the guide groove 12 of the tilt gear rack 11 similarly to the guide roller 27 in FIG. Then, the knob 67 is rotated in a state where the guide roller 61 is positioned, for example, in the linear groove portion of the guide groove 12, that is, in a state as shown in FIG.
Can be adjusted.

That is, when the user rotates the knob 67, the guide roller 61 also rotates. Then, finally, the display panel 1 rotates about the support shaft 62. In addition, the convex portion of the ratchet 65 and the concave portion provided on the back surface of the knob 67 are engaged according to the rotational position of the knob 67, so that the display panel 1 can be held at a predetermined angle. Also in this case, the use position of the display panel can be appropriately adjusted.

Although the guide roller 61 shown in FIG. 7 has a ratchet structure including a ratchet 65 and a knob 67, the angle of the guide roller 61 may be adjusted by another structure. For example, the angle of the guide roller 61 may be adjusted using an arm 71 and a knob 72 as shown in FIGS. 8 (a) and 8 (b). FIG. 8B is a cross-sectional view of the arm 71 and the knob 72. The arm 71 shown in FIG.
Through hole 71a for passing through, and projection 72c of knob 72
Are provided with a plurality of holes 71b. Also,
The knob 72 shown in FIG. 8A and the like is provided with a projection 72c in addition to the projection 72a and the screw through hole 72b.
The screw 73 is screwed into the screw hole 62a of the support shaft 62 that has passed through the through hole 71a, and fixes the knob 72 to the support shaft 62.

The knob 72 is also operated by the user.
It rotates with the guide roller 61. And knob 72
In accordance with the rotational position of the arm 71, the protrusion 72c
b. That is, when the user rotates the knob 72, the guide roller 61 rotates accordingly, and the display panel 1 rotates about the support shaft 62.
As a result, the use position of the display panel 1 can be appropriately adjusted.

Further, for example, the angle of the guide roller 61 may be adjusted by using a knob 81 or the like as shown in FIGS. 9A and 9B. FIG. 9 (b)
It is sectional drawing of the knob 81. The knob 81 shown in FIG. 9A and the like is provided with a ball 81c, a spring 81d, and a hole 81e in addition to the protrusion 81a and the screw through hole 81b. That is, the knob 81 is formed such that the ball 81c urged by the spring 81d is stored inside, and a part of the ball 81c protrudes from the hole 81e. Screw 82
Is screwed into the screw hole 62a of the support shaft 62 passing through the through hole 71a, and the knob 81 is fixed to the support shaft 62.

The knob 81 is also operated by the user.
It rotates with the guide roller 61. And knob 81
The ball 8 protruding from the hole 81e according to the rotational position of
1 c is engaged with the hole 71 b of the arm 71. That is, when the user rotates the knob 81, the guide roller 61 rotates accordingly, and the display panel 1
It rotates around 2. As a result, the use position of the display panel 1 can be appropriately adjusted.

[0063]

As described above, according to the present invention,
The use position of the display panel can be appropriately adjusted.

[Brief description of the drawings]

FIG. 1 is an external perspective view illustrating an example of a vehicle-mounted electronic device according to an embodiment of the present invention.

FIG. 2A is a plan view illustrating an example of an internal structure of a vehicle-mounted electronic device, and FIG. 2B is a cross-sectional view of a display panel.

3A is a perspective view illustrating an example of a tilt gear rack, a guide roller, and the like, and FIG. 3B is a cross-sectional view of the guide roller.

FIGS. 4A to 4C are schematic diagrams for explaining a movement operation of a tilt gear rack.

FIGS. 5A to 5H are schematic diagrams for explaining a specific operation of the vehicle-mounted electronic device.

FIG. 6 is a plan view (main part) for describing a modified example of the in-vehicle electronic device.

FIG. 7 is an exploded perspective view for explaining a rotatable guide roller and the like.

FIG. 8 is an exploded perspective view for explaining another rotatable guide roller and the like.

FIG. 9 is an exploded perspective view for explaining another rotatable guide roller and the like.

FIG. 10 is an external perspective view showing an example of a conventional in-vehicle electronic device.

11A is a plan view showing an example of the internal structure of a conventional in-vehicle electronic device, and FIG. 11B is a cross-sectional view of the display panel.

FIGS. 12A to 12D are schematic diagrams for explaining the operation of a conventional in-vehicle electronic device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Display panel 2 Mechanical assembly 3 Main body 11 Tilt gear rack 21 Arm 22 Slide motor 23a, 23b Coaxial gear 24 Axis 25 Tilt motor 26a, 26b Transmission gear 31 Slide rack gear

Claims (5)

[Claims] 1. A vehicle-mounted electronic device having a movable display panel, wherein a tilt gear portion and a rack gear portion are integrally formed, and a composite gear fixed to the display panel remains engaged with the composite gear. A transmission gear that rotates according to a predetermined driving force and transmits the driving force to the display panel via the composite gear; and rotates the display panel according to the driving force transmitted to the display panel via the composite gear. An on-vehicle electronic device comprising: a holding mechanism movably and movably held. 2. The holding mechanism tilts a display panel when the transmission gear rotates while engaging with the tilt gear of the composite gear, and the transmission gear engages with a rack gear of the composite gear. The in-vehicle electronic device according to claim 1, wherein the display panel is held so that the display panel slides when rotating. 3. The compound gear has a guide groove of a predetermined shape formed on a side surface thereof, and the holding mechanism includes a guide member fitted with the guide groove formed on the compound gear, and the guide member. The vehicle-mounted electronic device according to claim 1, further comprising: an arm that holds the electronic device. 4. The on-vehicle electronic device according to claim 3, wherein the holding mechanism further includes an adjusting member for adjusting an angle of the guide member with respect to the arm. 5. A driving mechanism for driving a display panel on a front surface of a vehicle-mounted electronic device, comprising: a composite gear fixed to the display panel, the composite gear having a tilt gear portion and a rack gear portion, and engaging with the composite gear. A transmission gear for transmitting a predetermined driving force to the display panel via the composite gear; and a display panel rotatably and freely movable in accordance with the driving force transmitted to the display panel via the composite gear. A driving mechanism, comprising: holding means for holding.