JPH08258632A - Display device and information transmitting device using it - Google Patents

Abstract

PURPOSE: To construct thin a display device, unitizing a car navigation device, and house in a housing space of IDIN size. CONSTITUTION: A minor guide member 26 and a major guide member 27 are installed on a link member 20, and the second guide groove 30 having a step 30d is provided in the side face of a middle case 21. The second guide groove 30 is formed in a single piece, compared with the conventional arrangement in which two guide grooves are provided for restricting advance of the display part 7 and holding it horizontally, and the major guide member 27 is contacted with the step 30d so that the advancing is restricted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device used for car navigation and the like, and more specifically, a display portion can be moved to a position where it is housed in a case and a position where it projects to the outside of the case and is in a standing posture. The present invention relates to a display device and an information transmission device such as a car navigation device using the display device.

[0002]

2. Description of the Related Art Recently, due to the development of car navigation systems and the like, many automobiles are equipped with display devices. Especially, due to the development of flat panels such as liquid crystal panels,
A display device that can be compactly housed in a limited space such as a console panel portion near the driver's seat has appeared.

As a display device of this kind, for example, Japanese Unexamined Patent Publication No. Hei 6
There is one disclosed in Japanese Patent Laid-Open No. 64485. The display device includes a fixed case that is inserted and fixed to a console panel of an automobile, an intermediate case that can move in a predetermined direction with respect to the fixed case, and a horizontal direction that moves in the insertion and removal direction with respect to the intermediate case. A display unit (television monitor) capable of changing its posture between a directional position and a rising position is provided, and at the rear end of the display unit, a first guide member and a first guide member and A moving bracket having two guide members is rotatably connected, and link members each having a roller and a third guide member are rotatably connected to the left and right of the display portion.

On the left and right side surfaces of the intermediate case 21, as shown in FIG. 8, a first guide groove 28 having a curved front end portion 28a, and a front end portion and a rear end portion serving as stop portions. The second guide groove 29 and the third guide groove 39 whose tip is open upward (39a) (Japanese Patent Laid-Open No. 6-
No. 64485 is described as a guide member constituted by a U-shaped plate; the reference numeral is the same as that of the publication), and the first guide groove 28 is formed.
The first guide member and the second guide member provided on the moving bracket are commonly inserted and inserted into the second guide groove 29, and the third guide member provided on the link member is inserted and inserted into the second guide groove 29. The roller provided in the link member is fitted into the third guide groove 39.

Thus, in the above display device, for example, when the display part is moved from the storage position to the standing up position,
In a state where the intermediate case and the moving bracket are integrally locked by the lock mechanism, the pinion of the bracket meshes with the rack provided on the fixed case, thereby moving the integrated intermediate case and display unit forward. Then, when the unitary body advances by a predetermined amount, the lock mechanism unlocks the moving bracket and the intermediate case and locks the intermediate case with the fixed case, and the pinion of the moving bracket is provided in the intermediate case. The moving bracket and the display unit continuously advance with respect to the intermediate case. At this time, the first and second guide members of the moving bracket are guided in the horizontal portion of the first guide groove 28 to move forward in the horizontal state, and the display portion is the third guide member of the link member. Is guided in the second guide groove 29, and its roller is guided in the horizontal portion of the third guide groove 39, in cooperation with the guide of the first guide member which coincides with the rotation center of the moving bracket. Move forward in a horizontal position.

Then, when the third guide member abuts against the end 29a of the second guide groove 29 and the forward movement of the second guide groove is restricted, the moving bracket continues to move forward, so that the roller moves to the third guide groove. The open part 39 is removed from the horizontal part of 39.
The first guide member, which serves as a pivotal connection point between the moving bracket and the display unit, is released toward a and is guided to the curved portion 28a of the first guide groove 28. As a result, the link member is rotated around the third guide member whose forward movement is restricted, and the display unit controls the forward movement of the connecting point of the link member and the guide groove of the connecting point with the moving bracket. Based on the further forward movement along the bending portion 28a, the posture is rapidly raised, and the screen of the display unit is directed to the driver or the like. The movement from the rising / use position to the storage position is similarly performed by the reverse operation of the motor of the drive device.

[0007]

By the way, in the above-mentioned display device, the amount of protrusion of the display portion to the outside of the case before starting is reduced to prevent interference with other members such as the shift lever. It can be reduced, but in the intermediate case 21, the first and second
It is necessary to provide three guide grooves including the third guide grooves 28, 29, and 39, and accordingly, the thickness of the intermediate case and the display portion, which is the drawn-out portion, is increased.

Therefore, for example, only the display device can be stored in the storage space of 1DIN size,
For example, other units such as a CDROM driving device for navigation and a control device cannot be stored together with the display device in a 1DIN size storage space.

In view of the above, the present invention provides a display device and a display device which can be stored together with other units such as a CD drive device in a 1 DIN size storage space by reducing the thickness of the display device. The purpose of the present invention is to provide a conventional information transmission device.

[0010]

The present invention (Claim 1) includes:
In view of the above circumstances, an intermediate case (21) movably supported to a fixed case (6) up to an intermediate position in the forward direction and restricted in forward movement at the intermediate position; A moving bracket (15) having a display unit (7) movably supported with respect to the intermediate case, and a drive unit (9) rotatably connected to the display unit.
And a link member (20) that is rotatably connected to both side surfaces of the display unit (7), and moves the intermediate case (21) to an intermediate position based on the drive of the drive unit (9). In a display device (2), which moves forward, further advances the display unit (7) and the moving bracket (15) with respect to the intermediate case in the intermediate position, and rotates the display unit in a standing posture. A support fulcrum guide member (13) installed on the moving bracket (15), a large guide member (27) installed on the link member (20), and a large guide member (27) installed on the link member (20) and Large guide member (2
7) A small guide member (26) having a smaller diameter than that of the intermediate case (21) and a side surface (21a) of the intermediate case (21) having a curved portion (28a) at the front end thereof and the support fulcrum guide member (13). ) Guiding the first guide groove (28)
A first portion (30a) arranged on the side surface (21a) of the intermediate case and capable of guiding the large guide member (27) and the small guide member (26); and the small guide member (26). A second part (30c) which can be guided and whose front end is open (30b) upwards;
And located at the connecting portion of the second portion to restrict movement of the large guide member (27) in the forward direction and allow movement of the small guide member (26) to the second portion (30c). And a second guide groove (30) having a stepped portion (30d).

According to a second aspect of the present invention, the display device (2), a storage means drive device (3) for driving storage means such as a CD, and a signal from the storage means drive device are processed. And a control means (5) for outputting to the display device, and the display device, the storage means driving device and the control means are housed in the fixed case (6). .

Further, in the present invention according to claim 3, the display device is a liquid crystal panel (1), and the storage means driving device drives a CDROM storing map information and the like.
ROM drive device (3), wherein the control means is the C
Navigation control means (5) for outputting a predetermined signal to the liquid crystal panel (1) based on the information from the DROM driving device and the current position and traveling direction of the vehicle, and the fixed case (6), The car navigation device (1) can be stored in an IDIN size storage space.

[0013]

Based on the above construction, the storage position (where the intermediate case (21) is located on the inner side of the fixed case (6) and the display section (7) and the moving bracket (15) are located inside the intermediate case (21). 1), when the drive device (9) is driven in the forward direction, first, the intermediate case (21), the display portion (7), and the moving bracket (15) are integrated with the fixed case (6). Move forward and reach the intermediate position. The intermediate case (21) is restricted from moving forward with respect to the fixed case at the intermediate position, and thereafter, the display unit (7) and the moving bracket (15) continue to move forward with respect to the intermediate case (21).

At this time, the support fulcrum guide member (13) is guided to the first guide groove (28), and the large guide member (27) and the small guide member (26) are guided to the second guide groove (30). ), The display portion (7) is maintained in a substantially horizontal state based on its support fulcrum portion (connection point 13) and the pivotal fulcrum (25) of the link member (20) held in the horizontal state. , Project forward.

Then, when the large guide member (27) comes into contact with the step portion (30d) of the second guide groove (30), the large guide member (27) and thus the link member (20) move further forward. Are regulated (see FIG. 4). In this state,
On the basis of the continuous forward rotation of the drive device (9), the support fulcrum guide member (13) is guided by the bending portion (28a) and further advances, and the small guide member (26) moves to the second portion (30c). ) Through the open end (30b),
As a result, the link member (20) is replaced by the large guide member (2
The display unit (7) is rotated in the standing posture based on the upward rotation about 7) (see FIG. 5).

When the display unit (7) is in a standing posture and is in a use state, a storage medium driving device (3) drives a storage medium such as a CDROM, and signal processing is performed by the control unit (5) which is, for example, navigation control unit. And display (7)
On the map, for example, the current vehicle location, traveling route, traveling direction, etc. are displayed.

The reference numerals in parentheses are for the purpose of contrasting with the drawings, but do not limit the structure of the present invention in any way.

[0018]

As described above, the two display units, which are separately provided for the forward movement restriction and the horizontal holding of the display unit, are conventionally provided.
Book guide grooves (second guide groove 29 and third guide groove in FIG. 8)
The guide groove 39) of FIG. 2) is also used as one second guide groove by restricting the forward movement of the large guide member by providing a step portion, so two guide grooves are formed on the side surface of the intermediate case. By doing so, the thickness of the intermediate case and hence the thickness of the display device can be made thin, and the display device can be installed on a console panel of an automobile where the installation space is limited.

Further, since the display device is made thin, the display device can be housed in a fixed case including the storage device driving device and the control device, and the information transmission device can be configured as one unit. It is possible to improve the convenience of installation / installation and use.

Particularly, it is applied to a car navigation system,
Not only the display device but also the CDROM driving device and the navigation control means can be stored in the 1DIN size storage space, and the range of application of the car navigation device can be greatly increased.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a car navigation system will be described with reference to the drawings.

As shown in FIGS. 1 and 2, the car navigation device 1 includes a display device 2, a CDROM drive device 3 and a navigation controller 5, and the drive device 3
With the lower part of the control unit 5 disposed behind it, and the display device 2 disposed on the upper part thereof.
It is housed inside. The fixed case 6 has a thickness and a width that can be accommodated in a storage space of 1DIN size arranged on a console panel or the like, and is not limited to a new car purchase,
It can be purchased and installed in the aftermarket.

The display device 2 has a display unit 7 formed of a liquid crystal panel having a backlight, an intermediate case 21 and a drive unit 9, and the CDROM drive unit 3 and the control unit 5 are connected by a flat cable 10. At the same time, the control section 5 and the display section 7 are connected by a flat cable 11 that extends so as to bypass the drive device 9 so as to surround the drive device 9.

The intermediate case 21 has two left and right guide rollers 12, and these guide rollers are guided by guide rails provided on the fixed case 6 so as to be movable in the horizontal direction. There is. Further, the intermediate case 21 can be moved in the forward direction (left direction in the drawing) to the intermediate position with respect to the fixed case 6 by a lock mechanism (not shown), and the forward movement is restricted at the intermediate position. Is configured.

A movable bracket 15 is rotatably connected to a rear end portion of the intermediate case 21 by a connecting pin (13), and the movable bracket is driven by a drive bracket as shown in FIGS. 1 and 3. The motor 16, the left and right pinions 17, and a reduction gear mechanism 19 that transmits the rotation of the motor to the left and right pinions.
A drive device 9 consisting of is supported. Racks 22 are installed on the left and right parts of the partition wall 6a of the fixed case 6, and racks 23 are installed on the left and right parts of the intermediate case 22 side by side with the rack 22. , 23, the pinion 17 having a large tooth thickness can engage with each other.

On the other hand, the connecting pin of the movable bracket 15 extends coaxially left and right to form a guide member 13 for the display part supporting fulcrum. Further, as shown in detail in FIGS. 4 and 5, a link member 20 is rotatably supported on the left and right side walls of the display unit 7 by a pivot pin 25, and the link member 20 is rotatably supported by the link member. A small guide member 26, which is arranged near the pin 25 and has a small diameter, and a large guide member 27, which is arranged at the tip and has a larger diameter than the small guide member, are planted so as to project to the left and right.

The intermediate case 21 includes the left and right side plates 2
1a and an upper plate 21b bridging the left and right side plates upward
As shown in FIG. 6, first and second two guide grooves 28, 30 are formed side by side in the front-rear direction on the left and right side plates 21a. First guide groove 28
Has a horizontal portion 28b extending substantially in the horizontal direction and a curved portion 28a located at the tip of the horizontal portion and curved.
In addition, the support fulcrum guide member 13 is fitted and guided in the first guide groove 28.

The second guide groove 30 extends substantially horizontally and has a relatively wide width.
a, a second portion 30c whose front end is open upward (30b) and has a relatively narrow width, and a step portion 30d located at the connecting portion of the first and second portions.
The large guide member 27 is provided on the first portion 30a.
Both the small guide member 26 and the small guide member 26 are fitted and guided, and only the small guide member 26 is fitted and guided to the second portion 30c. The forward movement of the small guide member 26 toward the second portion 30c is restricted and the small guide member 26 is allowed to move toward the second portion 30c.

As shown in the system configuration diagram of FIG. 7, the car navigation device 1 includes the control unit [M (main) ECU] 5, the CDROM drive device (CD drive) 3, the power supply circuit 50, and the gyro 51. , A GPS receiver 52, a display unit (LCD display) 7, and a display drive device control unit 55.

Next, the operation of the present embodiment will be described. FIG. 1 shows a state in which the display device 2 is housed in the fixed case 6, the intermediate case 21 is located on the innermost side of the fixed case 6, and the display unit 7 and the moving bracket 15 are on the inner side of the intermediate case 21. positioned. In this state, the intermediate case 21 is movable in the forward direction with respect to the fixed case 6, and the intermediate case 21, the display unit 7 and the moving bracket 15 are locked so as to move integrally.

When the drive motor 16 is rotated in the forward direction by the controller or the like, the rotation is reduced.
9 is transmitted to the left and right pinions 17, 17, and the pinion 17 meshes with the rack 22 provided in the fixed case 6 to integrally move the intermediate case 21, the display unit 7, and the moving bracket 15 in the forward direction. Move to. Then, when these integrated objects reach an intermediate position where they have advanced by a predetermined amount,
While the intermediate case 21 is restricted from moving further,
The lock of the intermediate case 21, the display unit 7 and the moving bracket 15 is released, and the display unit 7 and the moving bracket 15 are in a state in which they can be further advanced with respect to the intermediate case 21.

In this state, the drive motor 16 continuously rotates in the forward direction, and the wide pinion 17 moves from the rack 22 of the fixed case 6 to the rack 23 provided in the intermediate case 21.
By moving to the rack 23 and meshing with the rack 23, the moving bracket 15 together with the display unit 7 continues to move further in the forward direction with respect to the intermediate case 21 in the fixed state. At this time, the support fulcrum guide member 13 located at the connecting portion of the moving bracket 15 is guided by the horizontal portion 28b of the first guide groove 28, and the large guide member 27 of the link member 20 is formed by the second guide groove 30. While being guided to the first portion 30a, the small guide member 26 is guided to the horizontal portions of the first portion 30a and the second portion 30c, whereby the display unit 7
Are positioned horizontally at two points, that is, the pivot pin 25 and the support fulcrum guide member 13 of the link member 20 that are held in a substantially horizontal state, and maintain the horizontal state and project forward by a predetermined amount.

Then, as shown in FIG. 4, the link member 2
The large guide member 27 of 0 is the step portion 3 of the second guide groove 30.
If the drive motor 19 continues to rotate in the forward direction when it abuts 0d and further movement in the forward direction is restricted,
The moving bracket 15 moves further in the forward direction, but the display unit 7 is caused to contact the large guide member 27 so that the link member 2 moves.
Since the movement in the forward direction is restricted via 0, the small guide member 26 is opened via the curved portion of the second portion 30c.
By opening upward from b, it rotates upward.

Then, as shown in FIG. 5, based on the further movement of the moving bracket 15 in the forward direction, the support fulcrum guide member 13 is guided by the curved portion 28a of the first guide groove 28 and continues to move forward. . As a result, the display unit 7
The pivot pin 2 of the link member 20 whose one end is prevented from moving by the large guide member 27 based on the movement of the guide member 13 located at the connection point between the moving bracket 15 and the display unit 7.
It is rotated upward about 5 and becomes a standing posture,
The display surface 7a faces the driver. Then, the rotation of the drive motor 19 is stopped at a predetermined position such that the guide member 13 comes into contact with the front end of the curved portion 28a, and the display unit 7 is held in the rising posture.

In this state, the car navigation system 1
Is a designated CDR that can be used and stores the desired map.
The OM is inserted into the CDROM drive device (CD drive) 3 to drive the drive device 3, and the driver uses the controller or the like to send predetermined information such as the destination to the control unit (MEC).
U) Enter in 5. In addition to the map information from the CDROM drive device 3, the control unit 5 also receives signals from the GPS receiver 52 and the gyro 51 that receive radio waves from the artificial satellite received by the antenna 53, vehicle speed, parking signal, and key switch. Engine accessory signal from (AC
Based on the vehicle signal such as C), information such as the current position and traveling direction of the automobile is input, and based on these signals, the control unit 5
Is output to the display unit 7, and the current location, traveling route, traveling direction, etc. of the automobile are displayed on the map displayed on the screen of the display unit.

On the other hand, in order to store the display device 2, when the drive motor 19 is rotated in the backward direction by a controller or the like, the display device 2 is returned to the storage position shown in FIG. .

In the above embodiment, the display device is applied to the car navigation device.
Not limited to this, for example, TV and game machines, and CDs
The present invention can also be applied to other display devices such as an instruction display device such as audio equipment.

[Brief description of drawings]

FIG. 1 is a partially transparent side view showing a stored state in an embodiment in which the present invention is applied to a car navigation device.

FIG. 2 is a side sectional view thereof.

FIG. 3 is a plan sectional view thereof.

FIG. 4 is a side view showing the middle of movement of the display device.

FIG. 5 is a side view showing a use state in which the display device is in a standing posture.

FIG. 6 is a view showing a guide groove of the intermediate case, (a) is an overall side view, and (b) is a partially enlarged view showing a part of the guide groove.

FIG. 7 is a block diagram showing a system configuration of a car navigation device.

FIG. 8 is a side view showing a guide groove of an intermediate case in a conventional display device.

[Explanation of symbols]

 1 information transmission device (car navigation device) 2 display device 3 storage means (CDROM) drive means 5 (for navigation) control means 6 fixed case 7 display unit (liquid crystal panel) 9 drive device 13 support fulcrum guide member (connection point) 15 moving bracket 20 link member 21 intermediate case 25 pivot pin 26 small guide member 27 large guide member 28 first guide groove 28a curved portion 28b horizontal portion 30 second guide groove 30a first portion 30b open (end) 30c Second part 30d Step part

Claims (3)

[Claims] 1. An intermediate case, which is movably supported by a fixed case to an intermediate position in the forward direction and whose movement in the forward direction is restricted at the intermediate position, and a display movably supported with respect to the intermediate case. A moving bracket that is rotatably connected to the display unit and has a drive unit; and link members that are rotatably connected to both side surfaces of the display unit, based on the drive of the drive unit. In the display device, the intermediate case is advanced to an intermediate position, the display unit and the moving bracket are further advanced with respect to the intermediate case at the intermediate position, and the display unit is rotated to a standing posture. A support fulcrum guide member installed on the moving bracket, a large guide member installed on the link member, and a small guide installed on the link member and having a smaller diameter than the large guide member. And de member, wherein disposed on a side surface of the intermediate case, first for guiding a and the supporting fulcrum guide member a curved portion at its front end portion
A guide groove, a first portion arranged on the side surface of the intermediate case and capable of guiding the large guide member and the small guide member, and a front end capable of guiding the small guide member and opening upward. Is located at the connecting portion between the second portion and the first and second portions, restricts the movement of the large guide member in the forward direction, and moves the small guide member to the second portion. A display device, comprising: a second guide groove having a step portion that allows movement. 2. A display device according to claim 1, a storage device driving device for driving a storage device such as a CD, and a control device for processing a signal from the storage device driving device and outputting it to the display device. An information transmission device comprising: a display device, a storage device driving device, and a control device housed in the fixed case. 3. The display device is a liquid crystal panel, and the storage driving device is a CDR storing map information and the like.
A CDROM drive device for driving an OM, wherein the control means is a navigation control means for outputting to the liquid crystal panel a predetermined signal based on information from the CDROM drive device and information such as the current position and traveling direction of the vehicle. The car navigation device according to claim 2, wherein the fixed case can be stored in a 1 DIN size storage space.