JPH0811639A - On-vehicle display device - Google Patents

Abstract

PURPOSE:To conduct automatically the whole of a series of actions from a display main body being drawn out of a housing position to its being raised by providing a motive power transmitting mechanism for transmitting in order the drive power of a drive means to a pair of display movement mechanisms. CONSTITUTION:A first display movement mechanism 5 to conduct movement between a housing position to house display main body 3 in a case 1 and a projecting position arranged on the outside of the case 1, is provided. This first display movement mechanism 5 is operated by means of a drive means 19 through a motive power transmitting mechanism 7. Next, a second display movement mechanism 6 is operated by means of the drive means 19 through the motive power transmitting mechanism 7, and the display main body 3 at the projecting position is turned upward or downward from a horizontal housing state, and is set at its use position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted display device mounted on a vehicle such as a liquid crystal television incorporated in a dashboard of a vehicle.

[0002]

2. Description of the Related Art Today, passenger cars are often equipped with liquid crystal display devices such as general televisions such as navigators. In such a vehicle-mounted display device, it may be a hindrance if it is always projected in a narrow vehicle compartment. Therefore, there is also a structure in which it is stored in a dashboard or the like when it is not used, and pulled out when it is used. This can be seen, for example, in Japanese Patent Application Laid-Open Nos. 1-218936 and 4-11537.

The above-mentioned JP-A 1-218936 and JP-A 4-218936.
In the in-vehicle display device seen in No. -11537 and the like, when not in use, the display main body is stored in a case in a substantially horizontal state, and when it is used, it is pulled out in a horizontal state, and is further moved up or down. It is structured so that it can be turned upright to stand. Among them, the display device described in Japanese Patent Laid-Open No. 4-11537 has a structure in which the storing / drawing and rotating operations are all operated by the hands of an occupant or the like. On the other hand, in the display device described in Japanese Patent Application Laid-Open No. 1-218936, the operation of moving the display main body to the storage position and the projecting position in a horizontal state is performed by the driving force of the driving means, and thereafter, the operation is performed. Alternatively, the operation of pivoting it downward to lean it is configured to be operated by the hand of an occupant or the like.

[0004]

As described above, in the conventional vehicle-mounted display device, the operation of pulling up the display body from the storage position to getting up is not entirely automatic. . For this reason,
It must be operated by passengers by hand. In particular, if you try to operate it while driving, it may be dangerous.

The present invention has been made in view of the above problems, and an object thereof is to have a simple structure and automatically perform all the operations from the retracted position of the display main body to the standing up. An object of the present invention is to provide a vehicle-mounted display device having a structure capable of Furthermore, other purposes will be clarified one after another in the content described below.

[0006]

According to the present invention, an object of the present invention is to provide a vehicle-mounted display device incorporated in a vehicle with a display main body and a case for accommodating the display main body in a substantially horizontal state. A first display moving mechanism provided in the case for moving the display main body between a storage position housed in the case and a protruding position arranged outside the case. And to reciprocate the display main body provided in the case and moved to the protruding position, from a storageable state horizontal at the protruding position to a use position rotated upward or downward. Second
And a power transmission mechanism for sequentially transmitting the driving force of the drive means to the first display movement mechanism and the second display movement mechanism. It

[0007]

According to this structure, the driving force of one driving means is transmitted to the first display moving mechanism and the second display moving mechanism in order, and the display main body is pulled out from the retracted position and stands up. , It is possible to automatically perform a series of operations.

[0008]

Embodiments of the present invention will be described in detail below with reference to the drawings. 1 to 6 show the appearance of an in-vehicle display device according to an embodiment of the present invention. FIG. 1 is a top view showing a partially cutaway view of the vehicle-mounted display device, and FIG. FIG. 4 is a side view, FIG. 3 is a top view thereof in a use state, FIG. 4 is a side view thereof in a use state, FIG. 5 is a front view thereof in a stored state, and FIG. 6 is a front view thereof in a use state.

1 to 6, the on-vehicle display device is roughly composed of a case 1, a moving substrate 2, a display body 3, a driving means 4, a first display moving mechanism 5, and a second display moving mechanism 6. , And the power transmission mechanism 7 and the like.

More specifically, the case 1 has a bottom surface 1a.
And a left and right side surfaces 1b and 1c and a rear surface 1d, and is formed as a box-shaped housing having an open upper surface and a front surface.
Further, a resin frame 8 having an opening 9 (see FIGS. 1, 5 and 6) for inserting and removing the display main body 3 in the center is attached to the front surface. Further, a part 10 of the side surface 1b is bent inwardly at a substantially right angle, and a movable substrate guide bar 11 is attached in a state of being bridged between the part 10 and the rear surface 1d. In addition, on the upper surface side, a beam 12 is bridged between the left and right side surfaces 1b and 1c, and the beam 12 reinforces the side surfaces 1b and 1c.

The moving substrate 2 has a bottom surface 2a and left and right side surfaces 2a.
It is formed as a box-shaped housing having b and 2c and a rear surface 2d and having an open upper surface and a front surface. Further, the display main body 3 is attached to the front surface side via a bracket 13 and left and right pivots 14, 14 so as to be vertically rotatable. Further, the slider 15 is provided on the outer surface of the side surface 2b.
Is fixed, and the movable substrate 2 is slidably held by the movable substrate guide bar 11 via the slider 15. Then, the movable substrate 2 is guided by the movable substrate guide bar 11 so that the movable substrate 2 can move in the front-rear direction. The members 16 provided on the left and right of the front surface of the moving board 2 are decorative members attached to the side surfaces 2b and 2c for the purpose of decorating a part of the moving board 2 exposed in the opening 9.

The display main body 3 has a thickness smaller than the vertical dimension of the opening 9 and a lateral width substantially equal to the lateral width of the opening 9 so that the display main body 3 can be put into and taken out from the case 1 through the opening 9. There is. A liquid crystal display 17 (see FIG. 6) is provided on the front surface (the lower surface in the stored state).

The driving means 4 has a motor 19 adjacent to the side surface 1b of the case 1 and fixed to the bottom surface 1a of the case 1 via a bracket 18. This motor 19
A worm gear 20 is fixed to the output shaft so as to be integrally rotatable so as to be rotatable in both forward and reverse directions under the control of a drive circuit (not shown).

The first display moving mechanism 5 is driven by directly receiving the drive of the motor 19, and its peripheral structure is also shown in FIG. 7 which is a schematic view of the main part structure of the apparatus of this embodiment. Therefore, as will be described with reference to FIG. 7, the first display moving mechanism 5 includes a rotating lever 2 whose one end side is rotatably attached to the bottom surface of the case 1 via a pivot 21.
Have two. A gear 23 is formed on the outer peripheral surface of one end of the rotating lever 22, and a long hole slidably engaged with a pin 24 protruding on the back surface of the bottom surface 2a of the moving substrate 2 on the other end side. 25 are formed.

Further, the worm gear 20 and the rotating lever 22
A gear train 26 for power transmission is arranged between the gear train 26 and the gear 23. As shown in detail in FIG. 7, this gear train 26 is rotatably mounted on gears 28 and 29 which are rotatably mounted on a pivot 27 mounted on the bottom surface 1a and a pivot 30 mounted on the bottom surface 1a. Gears 31 and 3
2 and gears 34 and 35 that are rotatably mounted on a pivot 33 attached to the bottom surface 1a. Of these, gears 28 and 29, gears 31 and 32, and gears 34 and 3 are included.
5 are integrally formed as two-stage gears. Further, the gear 28 meshes with the worm gear 20, and the gear 29
The gear 31, the gear 32, and the gear 35 are in mesh with the gear 23 and the gear 23 of the rotary lever 22, respectively. Therefore, when the motor 19 is rotated in one direction, the rotation of the motor 19 is transmitted to the rotary lever 22 via the gear train 26, and the rotary lever 22 is moved from the position shown by in FIG. The structure is such that it can be rotated up to the position indicated by, and when the motor 19 is rotated in the opposite direction, it can be rotated and returned to the position through the position indicated by. Further, when the rotating lever 22 is rotated, the pin 22 on the moving substrate 2 side and the elongated hole 25 are engaged with each other, so that the moving substrate 2 moves in conjunction with the rotation of the rotating lever 22. It is moved forward (when the motor 19 rotates in the positive direction) or backward (when the motor 19 rotates in the negative direction).

The second display moving mechanism 6 is disposed on each of the left and right side surfaces 2b and 2c of the moving substrate 2, and each second display moving mechanism 6 has a gear 36, 37 ,.
38. Of these, the gear 36 is the moving substrate 2
In the state of being laid between the left and right side surfaces 2b and 2c, the shaft 40 is rotatably integrated with both ends of a shaft 40 that is rotatably disposed via a bracket 39 fixed to the bottom surface 2a of the moving substrate 2. It is possible to install. The gear 37 is rotatably attached to the side surfaces 2b and 2c via a pivot 41 and is meshed with the gear 36. The gear 38 is provided on the side surfaces 2b and 2c, and the display main body 3
Is integrally rotatably mounted on a pivot 14 that rotatably supports and is in mesh with a gear 37. Therefore, in the second display moving mechanism 6, when the shaft 40 is rotated and the gear 36 is rotated, the rotation of the gear 36 is transmitted to the gear 38 via the gear 37, and the display main body 3 is rotated about the pivot 14. It has a structure that can be rotated vertically as a fulcrum.

The power transmission mechanism 7 includes a rack 42 fixedly mounted on the bottom surface 1a of the case 1 below the moving board 2, and a pair of gears 43 mounted on the bottom surface 2a of the moving board 2. 44 and a crank means 45 interposed between the gear 43 and the shaft 40. Among them, the rack 42 is in a position where it can mesh with the gear 43 when the movable substrate 2 is moved forward, and meshes with the gear 43 when the rotating lever 22 is moved to the position in FIG. 7. It is provided corresponding to the position.

The gear 43 cuts and raises a part 2e of the bottom surface 2a of the movable substrate 2 and is rotatably attached to the part 2e via a pivot 46 fixed by caulking, and part of the bottom surface 2a. It projects further downward and can mesh with the rack 42.

The gear 44 is made of resin and is on the bottom surface 2 of the moving substrate 2.
It is rotatably attached via a pivot shaft 47 fixed to a and is always in mesh with the gear 43. An arm 44a is formed integrally with a part of the gear 44.

The crank means 45 is for transmitting power between the arm 44a and the shaft 40, and its peripheral structure is also shown in FIGS. Shows. 8 to FIG. 10, the crank means 45 includes a bracket 49 rotatably mounted on the arm 44a via a pin 48 (see FIGS. 8 to 10), and the bracket 49 to the left and right. A guide member 52 fixed on the bottom surface 2a of the moving substrate 2 having a guide hole 51 with which one end of a penetrating pin 50 is engaged, and a disk mounted on the shaft 40 so as to be integrally rotatable. 53 and a pin 54 on the disk 53
The link bar 55 has one end rotatably attached to the bracket 49 and the other end rotatably attached to the bracket 49 via the pin 50.
In the crank means 45, when the gear 45 is rotated, the arm 44a is integrally rotated together with the gear 45. This rotation moves the position of the bracket 49 back and forth, and the link bar 55 is also moved by this movement. The disc 53 is moved in the front-rear direction, and the disc 53 can be rotated together with the shaft 40 by this movement. Note that the link bar 55 in this embodiment moves to the front side as shown in FIGS. 8 and 9 when the display main body 3 is not arranged in the “usage position” described later, and is arranged in the “usage position”. Then, it is moved to the rear side as shown in FIG.

Next, the operation of the vehicle-mounted display device thus configured will be described. First, in this in-vehicle display device, the display main body 3 is tilted substantially horizontally and is stored in the case 1 in the "storage position" (see FIGS. 1 and 2).
The state shown by the solid line and the state shown in FIG. 5) and the case 1 in a state where the display body 3 is laid down substantially horizontally.
"Projection position" (the state shown by the one-dot chain line in FIGS. 1 and 2) projected from the front surface of the vehicle, and the "use position" (FIG. 3) raised from the "projection position" in the upward direction. And the state of FIG. 6).

Then, in the state of being arranged in the "storage position", the rotating lever 22 is arranged at the position shown in FIG. 7, the moving substrate 2 is moved backward together with the display body 3, and the gears 43, 44 are It is arranged at the position shown by the solid line in FIG. Next, when the display body 3 is to be pulled out and used, the switch 56 provided on the front surface of the frame body 8 is pressed. Then, the signal of the switch 56 is input to a control circuit (not shown), and the motor 19 of the driving means 4 is rotated in the forward direction. Then, the rotation of the motor 19 is transmitted to the turning lever 22 via the worm gear 20 and the gear train 26, and the turning lever 22 is turned to the position side in FIG. 7. Further, the rotation of the rotation lever 22 is received by the movable substrate 2 via the pin 24, and the movable substrate 2 is also moved together with the display body 3 in the arrow F direction. When the rotation lever 22 is moved to the position of, the display body 3
Is placed in the “protruding position”, the gears 43 and 44 on the moving substrate 2 are placed in the positions shown by the alternate long and short dash line in FIG. 7, and the gear 43 is in a state of meshing with the worm gear 20.

When the motor 19 is further rotated in the forward direction and the movable substrate 2 is moved in the direction of arrow F, the gear 43 and the worm gear 20 are in mesh with each other, so the gear 43
Is rotated in the direction of arrow 51 in FIG. 7 (clockwise in the figure), and the gear 44 meshed with the gear 43 is moved in the direction of arrow 52 in the figure (counterclockwise direction in the figure). Is rotated. At the same time, the arm 44a moves the link bar 55 in the direction of arrow B in FIG. 7, and the shaft 40 moves in the direction of arrow 53 in FIG. 10 (counterclockwise direction in FIG. 10) via the disc 53. Is rotated. Then, the rotation of the shaft 40 is transmitted through the gears 36, 37, 38 to the pivot 14
7, the pivot 14 and the display main body 3 are integrally rotated to be raised from the “protruding position” to the “use position”, and the rotating lever 22 is also moved to the position shown in FIG. 7. As a result, the liquid crystal display 17 faces the front and is ready for use. Further, when the rotating lever 22 is moved to the position of, the limit switch (not shown) is operated, and this is input to the control circuit to stop the rotation of 19. As a result, the "storage position" is continuously and automatically moved to the "use position".

Next, the display main body 3 arranged in the "use position" is moved to the "storage position" and the case 1 is moved.
In the case of storing it inside, the switch 56 provided on the front surface of the frame body 8 is pushed again. Then, the signal from the switch 56 is input to a control circuit (not shown), and the motor 19 of the driving means 4 is rotated in the negative direction. Then, this motor 19
Is transmitted to the rotation lever 22 via the worm gear 20 and the gear train 26, and the rotation lever 22 is rotated toward the position side from the position in FIG. The movable substrate 2 receives the rotation of the rotating lever 22 via the pin 24, and the movable substrate 2 is also moved in the arrow B direction. Further, when the movable substrate 2 is moved in the direction of arrow B, the gear 43 is moved to the position shown in FIG.
The gear 44 is rotated in the direction opposite to the arrow 51 in the figure (counterclockwise in the figure), and the gear 44 meshed with the gear 43 is in the direction opposite to the arrow 52 in the figure (clockwise in the figure).
To be rotated. At the same time, the link bar 55 is moved in the direction of arrow F in FIG.
The shaft 40 is rotated in the direction (clockwise direction in FIG. 10) opposite to the arrow 53 in FIG. Then
The rotation of the shaft 40 is transmitted to the pivot 14 via the gears 36, 37, 38, and the pivot 14 and the display main body 3
And are rotated together to be tilted from the "use position" to the "projection position", and the rotation lever 22 is also moved to the position shown in FIG.

When the motor 19 is further rotated in the negative direction and the movable substrate 2 is moved in the direction of arrow B, the display body 3 is also drawn into the case 1. Then, when the rotating lever 22 is again rotated to the position shown in FIG. 7 and returned, a limit switch (not shown) is operated, this is input to the control circuit, and the rotation of the motor 19 is stopped.
As a result, the "projection position" is continuously and automatically returned to the "storage position".

Therefore, according to the on-vehicle display device of this embodiment, the driving means 4 having one motor 19 is provided.
The driving force of is transmitted to the first display moving mechanism 5 and the second display moving mechanism 6 in sequence, and the display main body 3 is pulled out from the "stored position" to the "use position" where Since all the operations can be automatically performed, it is possible to perform the operation even while driving, without burdening the driver or the like. Moreover, since it is realized by one motor 19, the structure is not complicated.

In the above embodiment, the case where the electric motor 19 is used as the driving means 4 has been described, but the invention is not necessarily limited to the electric motor 19, and the locking device for locking the storage position and the storage position. By using a Conston spring or the like that always applies a biasing force to the use position, a so-called push-push type structure may be used, whereby an electric element is not required to move from the stored state to the use state. Further, although the display main body 3 has been described as having a structure in which the display main body 3 is rotated upward from the “protruding position” to be raised, the display main body 3 may be rotated downward from the “protruding position” to hang down. is there.

[0028]

As described above, according to the vehicle display device of the present invention, the driving force of one driving means is transmitted to the first display moving mechanism and the second display moving mechanism in order. , It is possible to automatically perform a series of operations from pulling out the display body from the storage position to getting up, so it is possible to operate without burdening the driver even when driving. it can. Also, because it is realized by one driving means,
It can be provided inexpensively without complicating the structure.

[Brief description of drawings]

FIG. 1 is a partially cutaway top view of an in-vehicle display device according to an embodiment of the present invention in a retracted state.

FIG. 2 is a side view showing the apparatus of this embodiment in a stored state.

FIG. 3 is a top view showing the device of the present embodiment in use.

FIG. 4 is a side view showing the device of this embodiment in use.

FIG. 5 is a front view showing the apparatus of this embodiment in a stored state.

FIG. 6 is a front view showing the device of the present embodiment in use.

FIG. 7 is a schematic view of the main part structure of the apparatus of this embodiment.

FIG. 8 is a schematic view of the main part structure of the apparatus of this embodiment.

FIG. 9 is a schematic view of a main part structure of the device of this embodiment.

FIG. 10 is a schematic view of the main part structure of the device of this embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 case 2 moving board 3 display body 4 driving means 5 first display moving mechanism 6 second display moving mechanism 7 power transmission mechanism 19 electric motor

Claims (2)

[Claims] 1. An in-vehicle display device incorporated in a vehicle, a display main body, a case for accommodating the display main body in a substantially horizontal state, a driving unit, and the display main body provided in the case. A first display moving mechanism for moving between a storage position housed in the case and a projecting position arranged outside the case; and a first display moving mechanism provided in the case and moved to the projecting position. And a second display moving mechanism for reciprocating the display main body from the retractable state in which the display body is horizontal to the use position rotated upward or downward, and a driving force of the driving means. A power transmission mechanism for sequentially transmitting power to the first display moving mechanism and the second display moving mechanism. An in-vehicle display device characterized by the above. 2. The in-vehicle display device according to claim 1, wherein an electric motor is used as the driving unit.