JPH09109787A - Image device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To darken an image plane and improve visibility in accordance with a height of eyes, by forming a recessed part extended in a direction of eyes in an assistant driver side of an instrument panel, providing an image device in this recessed part, and providing a transfering mechanism making a vertical displacement in a holding member of this image device. SOLUTION: A glove box G is provided in a position in an assistant driver seat side of an instrument panel 2, a recessed part 5 is formed in an upper part of this glove box, an angle changeable liquid crystal television 6 is provided in a position reducing outer disturbance light in the depth of the recessed part 5. The liquid crystal television 6 is held to an inner housing 7 serving as a holding member, and it is tilted by vertically moving a tubular part 10 with a feed screw 8 by rotating a motor 9. An angle of the image plane center of the liquid crystal television 6 is changed by heights 4a, 4b of eyes of an occupant, at this time, a height of the liquid crystal television 6 itself is also changed, so that the occupant eyes can face an image plane at a right angle even in a condition bringing down a seat back 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle image device provided on the passenger side.

[0002]

2. Description of the Related Art As an angle adjusting mechanism for an image device provided in an automobile, there is a "vehicle head-up display device" disclosed in Japanese Utility Model Laid-Open No. 63-8130.

This device is provided in front of the instrument panel in the driver's seat, and while driving the driver's eyes, the speedometer, tachometer, and other instruments related to the driving operation can be viewed even if the driver's eyes do not change much. It was done like this.

In the device of this publication, a concave portion that opens upward is formed in the vicinity of the windshield of the instrument panel, and a display whose screen is oriented upward is arranged on the bottom side of the concave portion. A reflector is installed at a position facing the display to guide the driver to the display screen. The display can be adjusted in angle so that the image on the reflector can be seen according to the height of the driver's eyes, and the angle of the reflector itself can be changed so that the image reflection direction can be changed. You can do it.

[0005]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
No. 30 "Vehicle head-up display device"
The structure is peculiar to the driver's seat because the instruments are flipped to the display according to the direction of the driver's line of sight and the image is transferred, and this image is further flipped by the reflector to show it to the driver. .

However, when the passenger on the passenger side watches a TV or other monitor screen while driving or parking,
Such a complicated structure is unnecessary. However, even if a television screen is simply provided on the passenger side of the instrument panel, ambient light from the side window or rear window enters the television screen and becomes bright, making the screen very difficult to see. Moreover, it is desirable that no hard member such as a TV is installed in front of the passenger seat. Therefore, if a recess is formed in the upper part of the glove box of the instrument panel on the passenger side and the TV is set in this recess so that the TV can be seen, the ambient light will be small and the screen will be dark, so it is very easy to see the seat. When you try to watch the TV with the bag or the like lying down, there is a problem that the screen of the TV is blocked by the lower edge of the opening of the recess.

The present invention has been made in view of such a problem, and when an image of a television or the like is viewed on the passenger side, the screen is darkened to make it easy to see, and the seat bag is folded down or the eyes are not seen. An image for automobiles that can be sufficiently viewed even by a person with a low height, and can prevent the screen located in the back of the recess from being blocked by the lower edge of the opening of the recess The purpose is to provide a device.

[0008]

In order to solve the above-mentioned problems, a vehicle image apparatus according to claim 1 of the present invention is directed to a passenger side line of sight of a passenger in a passenger seat side portion of an instrument panel of the vehicle. A concave portion extending in a direction, and an image device having a screen substantially perpendicular to the line of sight of the occupant is provided in the back of the concave portion, and a holding member for holding the image device is a change in eye height of the occupant. It is characterized in that it is provided with a displacement mechanism for vertically shifting in accordance with.

According to this automobile image device, since the image device is provided at the back of the recess, the screen becomes dark,
Since the image is easy to see and the screen can be displaced upward, it is possible to prevent the screen from being blocked by the lower edge of the opening of the recess.

Further, according to a second aspect of the present invention, there is provided a vehicle image device according to the first aspect, wherein the shift mechanism is
It is characterized by comprising an angle adjusting mechanism for directing the screen downward so as to follow the line-of-sight direction of the occupant when the image device is moved upward with the height of the occupant's eyes. .

According to the vehicle image device of the second aspect, when the screen is raised according to the height of the eyes, the direction of the screen can be changed so as to be perpendicular to the line-of-sight direction. It is easy to see even on an image device.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Next, a vehicle image device according to a preferred embodiment of the present invention will be described with reference to the drawings.

FIG. 4 shows the position of the angle adjusting mechanism provided on the upper part of the glove box on the passenger side.

Reference numeral 1 is a passenger seat back, and 2
Is the instrument panel part on the passenger side. When the occupant 3 in the passenger seat is supported by the seat bag 1, the eyes of the occupant are located at the position 4a in the normal state where the seat back 1 is not tilted. When the seat bag 1 is folded down, the passenger's eye position in the passenger seat is 4
b. A glove box G is provided at a position on the passenger seat side of the instrument panel 2, and a substantially rectangular recess 5 is formed in an upper portion of the glove box G. A liquid crystal television 6 as an image device for automobiles is provided at a position where ambient light from a side window, a rear window, or the like is dimmed at the back of the recess 5. The image device for automobiles is not limited to the liquid crystal television 6.

As shown in FIG. 5, the liquid crystal television 6 is capable of changing its angle. A0 is a line indicating the center of the screen in the normal state, AH is a line indicating the upper limit of the screen in the normal state, and AL is a line indicating the upper limit. It is a line showing the lower limit of the screen. When the liquid crystal television 6 is in the upright state, the center of the screen faces the direction of line B0. LCD TV 6
When the screen is in the standing state, the upper limit of the screen of the liquid crystal television 6 becomes the angle of the line BH and the lower limit of the screen becomes the angle of the line BL. In this embodiment, the trajectory of the liquid crystal television 6 during the stand-up operation is an arc trajectory, and the center of the arc trajectory is set on the intersection of the image centers A0 and B0.

The liquid crystal television 6 is held by an inner housing 7 as a holding member, as shown in FIG.
The inner housing 7 includes an outer housing 20 fixed along the inner wall of the recess 5 and an inner housing 7.
An angle adjusting mechanism is configured by the feed screw 8 that tilts the motor and the motor 9 that rotates the feed screw 8.

In this embodiment, a guide mechanism for drawing a certain trajectory and a feed screw mechanism as a drive mechanism are used as a mechanism for erecting the liquid crystal television 6 and lifting it up. A link mechanism may be used in place of, and a rack and pinion mechanism, an electromagnetic solenoid, an air cylinder, or the like may be used in place of the feed screw mechanism. Here, a guide mechanism is used as an example, and a pair of left and right flanges 13, 14 and 17 are provided on the rear portion of the frame-shaped inner housing 7 whose inside is a storage space for the liquid crystal television 6.

A rotary shaft 12 is provided on the left and right flanges 13, 13.
Is held, and the bearing 11 is provided approximately at the center of the rotary shaft 12.
Is rotatably inserted. A tubular portion 10 is provided so as to project from a lower portion of the bearing 11, and a screw into which the feed screw 8 is screwed is formed inside the tubular portion 10.
A feed screw 8 is rotatably screwed into the inside of the. When the motor 9 rotates, the feed screw 8 moves the tubular portion 10 up and down depending on the rotation direction of the motor 9.

The rotation direction switching control circuit of the motor 9 is composed of a normal motor rotation switching circuit.
The rotation direction changeover switch of the motor 9 is composed of a manual changeover switch (not shown) for the passenger in the passenger seat,
A micro switch for detecting the tilting state may be provided on the side of the seat bag 1 to interlock with the tilting operation of the seat bag 1. The rotation stop of the upper limit and the lower limit of the motor 9 is controlled by pushing the normally closed contacts of the microswitches 29 and 30 provided on the side portion of the outer housing 20 to turn them off as shown in FIG. That is, when the feed switch 8 consisting of the right screw is rotated to the right and the inner housing 7 is erected, when the changeover switch for rotating the motor 9 to the right is turned on, the upper micro switch 29 is in conduction. 9 rotates to the right, but when the contact of the microswitch 29 is pressed, the circuit is turned off and the motor 9 is stopped. Also, when the changeover switch for rotating the motor 9 to the left is turned on, the micro switch 3 below is turned on.
Since 0 is conducting, when the motor 9 rotates to the left and the contact of the microswitch 30 is pushed, the circuit is turned off and the motor 9 stops.

A rotary shaft 15 is rotatably held by the flanges 14, 14, and both ends of the rotary shaft 15 are inserted into guide holes 24, 24 of the outer housing 20.
Gears 16 are fixed to the left and right ends of the rotary shaft 15, respectively.
Reference numeral 6 is meshed with an arcuate internal gear 27 provided so as to extend along each of the left and right guide holes 24. By the left and right gears 16, 16 meshing with the left and right internal gears 27, 27, the left-right height shift of the rotary shaft 15 is eliminated.

A rotary shaft 18 is rotatably held by the flanges 17, 17, and both ends of the rotary shaft 18 are inserted into guide holes 25, 25 of the outer housing 20. Gears 19 are fixed to both left and right ends of the rotary shaft 18, and the gears 19 mesh with arcuate internal gears 28 provided so as to extend along the left and right guide holes 25, respectively. The left and right gears 19, 19 are the left and right internal gears 28, 28
By engaging with, the deviation of the left and right heights of the rotary shaft 18 is eliminated.

Left and right side walls 2 of the outer housing 20
As shown in FIG. 3, the guide holes 24 and 25 are formed in the arcs 1 and 21 in an arc shape as described above.
In the vicinity of 5, arc-shaped internal gears 27 and 28 that are curved concentrically with the guide holes 24 and 25 are provided in a protruding manner. The guide holes 24, 25 are formed centering on an arc 26 centered on the center of rotation C. The above-mentioned micro switch 29 is provided above the guide hole 24, and the micro switch 30 is provided below the guide hole 24. The microswitches 29, 30 are gears 16 provided at the end of the rotary shaft 15.
To turn off the normally closed contact. Instead of turning off the microswitches 29, 30 with the gear 16, the end of the rotary shaft 15 may be extended to the outside of the gear 16 to provide a nut-shaped portion.

According to the passenger seat television of this embodiment, the angle of the center of the screen of the liquid crystal television 6 is changed by the eye heights 4a and 4b of the passenger sitting in the seat bag 1 on the passenger seat side. At that time, since the height of the liquid crystal television 6 itself is also changed, it is possible to prevent the lower edge portion 5a of the concave portion 5 from blocking the lower portion of the screen even when the seat bag 1 is laid down.
The screen of the LCD TV 6 can be oriented at right angles to the occupant's eye positions 4a and 4b, so that the screen of the LCD TV 6 is prevented from flickering or becoming difficult to see even if the angle changes, which is comfortable. The property is improved.

[0024]

As described above, according to the automobile image device of claim 1 of the present invention, since the image device is provided in the back of the concave portion, the screen becomes dark and the image becomes easy to see. At the same time, since the screen can be displaced upward, it is possible to prevent the screen from being blocked by the lower edge of the opening of the recess.

According to the vehicle image device of the second aspect, when the screen is raised according to the height of the eyes, the screen orientation can be changed so as to be perpendicular to the line-of-sight direction. Even in the image device, the LCD TV screen is prevented from flickering or becoming difficult to see, which improves comfort.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a configuration of an angle adjusting mechanism of a passenger seat television of an automobile according to an embodiment of the present invention.

FIG. 2 is a side view of the inner housing, the feed screw, and the motor shown in FIG.

FIG. 3 is an explanatory diagram of an arrangement state of guide holes and an internal gear of the outer housing of FIG.

FIG. 4 is an explanatory view of an arrangement position of an angle adjusting mechanism provided on an upper part of a glove box on a passenger side.

FIG. 5 is an explanatory view showing a state in which the angle of the monitor concave portion formed on the upper portion of the glove box of FIG. 4 and the liquid crystal monitor is changed.

[Explanation of symbols]

1 Seat back of passenger's seat 2 Instrument panel 3 Passenger's passenger 4 Eyes of passenger 5 Glove box recess 6 LCD TV at normal angle (imaging device for automobile) 7 Inner housing 8 Feed screw 9 Motor 10 Tube 11 Bearing 12 Shaft 13 Flange 14 Flange 15 Rotating shaft 16 Left and right feed adjusting gear 17 Flange 18 Rotating shaft 19 Left and right feed amount adjusting gear 20 Outer housing 21 Side wall 22 Upper wall 23 Lower wall 24 Guide hole 25 Guide hole 26 Orbit center 27 Internal gear 28 Internal gear

Claims (2)

[Claims] 1. An image device having a concave portion extending in the line of sight of an occupant in the passenger seat formed in a portion of an instrument panel of an automobile on the passenger side, and having a screen at the back of the concave portion substantially perpendicular to the line of sight of the occupant. And a holding member for holding the image device includes a shift mechanism that shifts up and down in accordance with a change in eye height of the occupant. 2. The automobile image device according to claim 1, wherein the displacement mechanism extends along the line-of-sight direction of the occupant when the image device is displaced upward as the eye height of the occupant changes. An image pickup device for an automobile, comprising an angle adjusting mechanism for directing a screen downward.