JPS6247051Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an information display device, and more particularly to an information display device that displays the current position of an axle.

2. Description of the Related Art Various information display devices have been proposed that are equipped with a display device near the driver's seat of a vehicle that is equipped with a map and a driving position indicator, and that constantly display the current location of the vehicle on the map. Among these, a preset course is displayed in color on the road map using colored pencils, etc., and as the axle moves, the travel position indicator is moved according to the set scheduled course, and the map is rotated. However, there is an information display device that controls the moving direction of the traveling position indicator so that it always matches the traveling direction of the axle.

FIG. 1 is an exploded perspective view showing an example of this type of information display device developed by the applicant, and in the figure, 1 is a case cover. A switch board 1a is provided at the end of the case cover, and includes switches such as a power switch necessary for operating the information display device. 1b is a door, and the door 1b is pivotally connected to the case cover 1 so as to be openable and closable. A window 1c made of a transparent acrylic resin plate is opened in the center of the door 1b, and four lighting lamps 1d are placed around it.
is installed.

2 is a seat pack. Winding drums 2a and 2b are rotatably provided at both ends of the sheet pack 2, and a conveying sheet 2c made of a transparent synthetic resin film is wound around these two winding drums. A map 2d, which is a road map printed on a transparent film, is placed on the conveyance sheet 2c.
Furthermore, a plurality of maps are wound up into winding drums 2a and 2b together with the conveying sheet 2c.
The winding drums 2a, 2b are the winding drums 2a, 2b.
It is rotated automatically by a drive motor 2e housed in the drive motor 2e, or by rotating the rotary knobs 2f and 2g with fingers. A display door 2i provided with a display window 2h is rotatably attached to one end of the seat pack 2.
A hook 2j is provided at the end of i, and a display window 2h
A half mirror 2k is fitted in the. 2m
2n is a guide roller that smoothly guides the conveying sheet 2c, and 2p is a connector.

3 is the base. The base 3 has a boat-shaped case shape, and circuit boards 3a and 3b are stacked in two layers inside the base 3. Although not shown in the figure, various electronic components are mounted on these circuit boards. It is arranged. A fixed large-diameter gear 3 with teeth cut around its periphery is screwed to approximately the center of the base 3. 3d is a stop member, and 3e is an I/connector.

4 is a turntable. The turntable 4 is rotatably supported at the center of a fixed large-diameter gear 3c. 4a is a pulse motor attached to the bottom surface of the turntable 4, and a pinion 4aa attached to its rotating shaft meshes with the teeth of a large-diameter gear 3c, so that when the pulse motor 4a rotates, the turntable 4 also rotates. . On the side wall 4b of the turntable 4, there is a hook 4c for hanging the seat pack 2.
is provided.

A Y feed carriage 5 is guided by two guide rails 5a extending between the side walls 4b, and moves in the Y direction along the guide rails 5a when the Y feed threaded rod 5b is rotated.

A head member 6 has a display member made of a light emitting element and a road tracking sensor made of a phototransistor. The head member 6 is the X feed shaft 6a
When it rotates, it moves in the X direction due to the movement of the wire 6b wound around the winding drum of the rotating member spline-coupled to the Y feed shaft 6a in the Y feed carriage 5.

The seat pack 2 is placed on the turntable 4 with the display door 2i closed, and the seat pack 2 is fixed on the turntable 4 by engaging the engagement hole 2m with the hook 4c. At this time, the upper end of the head member 6 is located on the lower surface of the map. In addition,
The case cover 1 is placed on the base 3 and the stopper member 3d
is screwed to. Therefore, seat pack 2
The map can be observed through the window 1c, and when the vehicle is running, the head member 6 disposed on the bottom of the map moves to display the current location of the vehicle, and the seat pack 2 rotates to display the current location of the vehicle. Match the traveling direction of the vehicle with the traveling direction of the vehicle on the map.

By the way, in the above-mentioned information display device, since the seat pack containing a plurality of maps is detachable, the frequency of replacing the maps is low.
Although it is very convenient, when you want to remove the seat pack 2, first open the door 1b of the case cover 1, then insert your finger into the narrow gap between the case cover and the seat pack 2, and then insert your finger into the engagement hole of the seat pack 2. The seat pack 2 had to be lifted by disengaging the hook 4c from the hook 4c, making it extremely troublesome to remove it. Also, it may be completely impossible for people with thick fingers or clumsiness to remove it.

The present invention has been made in order to eliminate the above-mentioned drawbacks, and its purpose is to provide a novel and easy-to-remove information display device in which a seat pack containing an information medium is removably attached. It's about providing structure.

Next, one embodiment of the present invention will be described in detail using the drawings.

FIG. 2 is a perspective view showing the appearance of the information display device, and in the figure, 11 is a seat pack. A plurality of maps are rolled up and stored in the sheet pack 11, and a desired one of the plurality of maps can be displayed on the display surface 11a by automatic or manual operation. can. The map stored in this sheet pack 11 is a road map printed with ink on a transparent or translucent thin synthetic resin film, and if necessary, a protective thin film is placed over the printed road map. A synthetic resin coated one is used, and the lower side of the map displayed on the display surface 11a has a display member that displays the current position of the axle with a bright spot made of light emitting diodes, and a route tracking sensor. A head member is disposed so as to be movable in the X-axis and Y-axis directions. Further, the seat pack 11 is detachably attached to the information display device and can also rotate along the parallel direction of the vehicle.

Next, the detailed mechanism of the vehicle information display device will be explained. FIG. 3 is a perspective view showing the seat pack removed from the device. In the figure, 12 is a fixed large diameter gear. The fixed large-diameter gear 12 has teeth 12a cut around its periphery, and although not shown in the figure, is firmly fixed to a base. 13
is a turntable. As shown in FIG. 4, the turntable 13 is rotatably supported by a shaft 12b erected at the center of the fixed large-diameter gear 12.
Two pulse motors 13a and 13b are attached to opposing positions around the shaft 12b of the turntable 13, and pinions 13c and 13d attached to the rotating shafts of the pulse motors 13a and 13b are connected to the fixed large diameter gear 12, respectively. It meshes with the tooth 12a. Therefore, when the pulse motors 13a, 13b rotate, the turntable 3 rotates, for example, from the position shown by the solid line in FIG. 4 to the position shown by the two-dot chain line. Two side walls 13e and 13f are erected on both sides of the turntable 13, and these side walls 13
Four shafts span between e and 13f. Of these, 13h and 13g are Y feed guide bars that guide a carriage 15, which will be described later. 13
i is a Y feed screw shaft rotatably supported between the side walls 13e and 13f, a thread groove is cut around it, and a gear 13j is attached to the end; Although not shown, it meshes with a pinion 13k attached to the rotating shaft of a Y feed pulse motor attached to the turntable 13. When the Y feed screw shaft 13i rotates, the carriage 15 moves in the Y direction due to the structure described later. 13m is an X feed shaft with an oval cross section, which passes through the carriage 15 and
The pinion of the rotary shaft of the X-feed pulse motor attached to the bottom of the turntable (not shown) meshes with the gear at the tip of the X-feed shaft 13m that protrudes from the side wall 13e. It's on. Then, the head member 17 is transferred in the X direction by wire drive due to the rotation of the X feed shaft 13m. At the ends of the side walls 13e and 13f, there are a lock lever 13n for locking the holding frame 16 on which the seat pack 11 is mounted, and a release lever 1 for rotating the lock lever 13n.
3p is provided. The lock lever 13n is
The lock lever is attached so as to be rotatable in the direction of the arrow, and a rotation force is applied to the lock lever in the direction of the release lever 13p by a return spring 13q. A hook portion 13na is provided at the tip of the lock lever 13n, and an inclined portion 13nb is provided in the middle. Release lever 1
3P is attached so that it can slide in the vertical direction,
A pressing portion 13pa is provided at one end, and a pin 13pb is provided in the middle for contacting the inclined portion 13nb of the lock lever 13n. Then, when the pressing portion 13pa of the release lever 13p is pressed in the direction of arrow A shown in FIG.
Since pb presses the inclined portion 13nb of the lock lever 13n, the lock lever 13n rotates in the direction of arrow B against the force of the lock lever return spring 13q.

A seat pack 11 is provided at the end of the side walls 13e, 13f opposite to the end where the release lever 13p is provided.
A holding frame 16 for attaching the spring 1 is rotatably attached to the holding frame 16.
6a, the seat pack 11 is always biased to an inclined position as shown in FIG. 3 so that the seat pack 11 can be easily inserted. On the side of the holding frame 16,
An engagement pin 16b that engages with the hook portion 13na of the lock lever 13n and a connector 16c for supplying power to the seat pack 11 are attached.
Further, a display window 16d is opened in the center.

Next, the operation of attaching the seat pack 11 to the information display device will be explained. The seat pack 11 is inserted into the holding frame 16 that projects outwardly from the opened door 1b of the case cover 1. At this time, the connector 11y attached to the seat pack 11 and the connector 16c attached to the holding frame 16 are connected, and the electric circuit in the seat pack 11 is connected to the power supply circuit in the information display device. Thereafter, the holding frame 16 is rotated downward and the connecting pin 16b is engaged with the hook portion 13na of the lock lever 13n, thereby completing the attachment of the seat pack 11 to the information display device.

When removing the seat pack 11 from the information display device, first open the door 11b of the case cover 1, push down the pressing part 13pa, and rotate the lock lever 13n to engage the hook part 13na and the engagement pin 16b. After removing the joint and rotating the holding frame 16, the seat pack 11 is attached to the holding frame 16.
All you have to do is pull it out.

As explained in detail above, according to the present invention,
The seat pack holding the map can be attached to the information display device by simply inserting the seat pack holding the map into the holding frame and pressing and rotating the holding frame in the horizontal direction. When the seat pack is attached, the hook of the lock lever will firmly hold the holding frame. Since it is engaged with the engagement pin, it will not easily come off even if subjected to vibration shock. In addition, the holding frame is biased by a spring to an inclined position so that the seat pack can be easily removed, so when the release lever is pressed to disengage the engagement pin and the hook of the lock lever, the seat pack is released. Since it automatically rotates to the removal position, it is much easier to remove it from the information display device.
Additionally, when removing the seat pack, all you have to do is open the case cover door and press down on the release lever provided on the side of the holding frame. The seat pack can be easily removed without having to be recessed. Furthermore, when the seat pack is attached or removed, the holding frame projects outward from the door at an angle, so even if the seat pack is rotated in the direction of the turntable, the insertion opening of the seat pack can be seen, making it easy to attach or remove the seat pack.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of a conventional information display device, Fig. 2 is a perspective view of essential parts showing an embodiment of the present invention, Fig. 3 is an exploded perspective view of the same, and Fig. 4 is a turntable. FIG. 3 is a plan view showing the rotational positional relationship between the fixed large-diameter gear and the fixed large-diameter gear. In the figure, 1 is the case cover, 2 is the seat pack,
3 is a base, 4 is a turntable, 5 is a Y feed carriage, 6 is a head member, 11 is a seat pack,
12 is a fixed large diameter gear, 13 is a turntable, 1
3n is the lock lever, 13na is the hook portion, 13np is the inclined portion, 13p is the release lever, 13pa is the pressing portion, 13pb is the pin, 13q is the lock lever return spring, 15 is the carriage, 16 is the holding frame,
16b is an engagement pin, 16c is a connector, and 17 is a head member.

Claims (1)

[Claims for Utility Model Registration] Selectively disposing one of a plurality of sheet-shaped information media on a display surface, and positioning the sheet-shaped information medium disposed on the display surface at a predetermined position using a display member. An information display device for displaying instructions, comprising: a carriage that carries a head member having a display member and moves the head member in a first direction; and a carriage that carries the carriage and moves the carriage in a direction perpendicular to the first direction. A turntable that moves the turntable, a mechanism that rotates the turntable, and a mechanism that holds a plurality of sheet information media and moves the sheet information media to arrange a desired sheet information medium on a display surface, a seat pack equipped with a connector connected to a power source supplied to a drive mechanism for moving the sheet-shaped information medium; and a seat pack rotatably pivoted to two side wall ends of the turntable, and the seat pack is detachably attached to the turntable. A holding frame equipped with a connector for connecting to a connector provided on the seat pack and supplying power thereto, and an engagement pin for locking; a spring means for constantly biasing the holding frame in the direction of the seat pack's ejected position; The holding frame locking means has a hook portion of a lock lever that engages with the engagement pin to lock the holding frame in a position parallel to the plane in which the head member moves, and has a release means for releasing the lock. Characteristic information display device.