JP3023769U - Information display device for automobile - Google Patents

Abstract

(57) An object of the present invention is to provide a vehicle information display device having a simple structure, in which a display body is rotated by stepping on a foot brake, a plurality of types of displays can be displayed, and which has a simple structure. A rotary display body having a plurality of display surfaces, a motor in which the rotary display body is connected via a low speed conversion gear, and a relay device and a motor connected in parallel to a brake lamp for starting the motor. A self-holding relay device for holding the rotation of the motor, a cam switch for stopping the rotation of the motor, and a self-holding circuit having a cam for starting the cam switch.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to an automobile information display device which is attached mainly to the rear part of an automobile and displays various contents such as a company name, an advertisement or a notice by pressing a foot brake.

[0002]

[Prior art]

 Conventionally, as a device installed and displayed in an automobile, there is a continuous display screen device using a continuous film, a display device using an electronic display board as a display means, or a light emitting diode to change the display. (For example, Japanese Utility Model Publication No. 3-51483, Japanese Utility Model Publication No. 4-31634).

[0003]

[Problems to be solved by the device]

 In such a display device, a sensor, a timer, or a comparison control with stored data is used, and an electronic circuit such as condition setting by microcomputer control is also used at the display timing, which makes the structure complicated and costly. Was becoming. The present invention has been made in view of such conventional problems, and solves the above problems by providing a display body with a polyhedron and a structure for sequentially displaying a plurality of displays by rotating the display body by stepping on a brake. Is intended.

[0004]

[Means for solving the problem]

 The vehicle information display device according to the present invention achieves the above-mentioned object, and is as follows. That is, the rotary display body 13 having a plurality of display surfaces and the structure in which the rotary display body 13 is connected to the motor 5 through the low speed conversion gear 12 to rotate the same, and the relay device 3 for starting the motor 5 is used. And a self-holding relay device 7 for holding the rotation of the motor 5, a cam switch 6 for stopping the rotation of the motor 5, and a cam 10 for starting the cam switch 6. The induction coil X of the relay device 3 is connected in parallel to the brake lamp 2, and when the foot brake switch 1 is turned on, the relay device 3 operates. One terminal of the relay switch 4 of the relay device 3 is connected to the plus circuit of the vehicle side 12 volt power supply, and the other terminal of the relay switch 4 is connected to one terminal of the motor 5 in series. The other terminal of the motor 5 is connected to the minus circuit of the 12-volt power supply on the vehicle side.

One terminal of the induction coil Y of the self-holding relay device 7 is connected to one terminal of the motor 5 and the other terminal of the induction coil Y is connected via a cam switch 6 to a minus circuit of a 12-volt power source on the vehicle side. It is connected to the. One terminal of the relay switch 8 of the self-holding relay device 7 is connected to the other terminal of the relay switch 4, and the other terminal of the relay switch 8 is connected to the plus circuit of the vehicle side 12 volt power source for self-holding. Forming a circuit.

The cam 10 is mounted on the rotary shaft of the motor 5, and the reed contact 61 of the cam switch 6 is installed so as to trace the circumference of the cam 10. The cam 10 has a notch 11 provided on the circumference, and when the lead contact 61 reaches the notch 11 ′ of the cam 10, the circuit of the cam switch 6 is cut off, the relay switch 8 is cut off, and the motor 5 is cut off. Stops, and the rotation indicator 13 stops.

The rotary display 13 is connected to the motor 5 via a low speed conversion gear 12 for rotating at low speed, and the rotation speed of the rotary display 13 is preferably 3 to 6 rotations / minute. The rotary display body 13 may be one in which a display plate D is provided on each of a plurality of display plate rotation axes C arranged in a cylindrical shape around the main axis A.

[0008]

[Embodiment of device]

 The rotary display 13 has, for example, three surfaces of a triangular prism 131 having a main axis A at its center as a display surface B, one end of the main axis A is held by a bearing 14 provided on a base 15, and the other end of the main axis A is It is connected to the motor 5 via the low speed conversion gear 12. The cam 10 is provided between the triangular prism 131 and the low speed conversion gear 12.

The cam 10, the cam switch 6, the low speed conversion gear 12, the motor 5, the relay device 3, and the self-holding relay device 7 constitute a display body drive block 9 and are installed on the base 15. This base 15 is installed behind the rear seat of the vehicle body.

By stepping on the foot brake, the foot brake switch 1 is turned on, the brake lamp 2 is turned on, and at the same time, a current is applied to the induction coil X of the relay device 3 and the relay switch 4 is closed to apply a current to the motor 5 to rotate the motor 5. To do. When the stepping on the foot brake is stopped, the relay switch 4 opens, but the rotation of the motor 5 causes the cam 10 to rotate, and the contact 61 of the cam switch 6 is disengaged from the notch 11 of the cam 10 and the cam switch 6 is closed and self-holding. A current is applied to the induction coil Y of the relay device 7 for operation, the relay switch 8 is closed to form a self-holding circuit, the motor 5 is continuously rotated, and the connected triangular prism 131 is rotated to change the display surface. When the cam 10 rotates and the contact 61 reaches the next cutout 11 ', the cam switch 6 opens, the self-holding circuit is cut off, the rotation of the motor 5 stops, and the triangular prism 131 stops.

In the case of the triangular prism 131, the notches 11 of the cam 10 are provided at three positions on the circumference of the cam 10 corresponding to the three display surfaces thereof.

[0012]

【Example】

 Embodiments will be described below with reference to the drawings. FIG. 1 is a schematic configuration diagram showing an embodiment of an automobile information display device of the present invention. In FIG. 1A, one end of the main shaft A of the rotary display 13 is held by a bearing 14 provided on the base 15. A motor 5 for rotating the rotary display 13 is connected to the display 13 via a low speed conversion gear 12, and a cam 10 is provided between the low speed conversion gear 12 and the rotary display 13 to install a cam switch 6. The cam 10, the cam switch 6, the low speed conversion gear 12, the motor 5, the relay device 3, and the self-holding relay device 7 constitute a display body drive block 9 and are installed on the base 15.

FIG. 1B is a diagram showing the positional relationship of the cam 10 and the cam switch 6 shown in FIG. 1A with respect to the rotary display 13 as viewed from the main axis A direction. When the contact 61 of the cam switch 6 is on the circumference of the cam 10, it is switched on, and when the contact 61 of the cam switch 6 is on the notch 11 or 11 'of the cam 10, it is switched off. FIG. 2 is a circuit diagram for driving the motor 5 that rotates the rotary display 13. In FIG. 2, the induction coil X of the relay device 3 is connected in parallel to the brake lamp 2 connected to one end of the foot brake switch 1, and one terminal of the relay switch 4 of this relay device 3 has a 12-volt power supply on the vehicle side. And the other terminal of the relay switch 4 is connected to one terminal of the motor 5. The other terminal of the motor 5 is connected to the minus circuit of the 12-volt power supply on the vehicle side. Further, one terminal of the induction coil Y of the self-holding relay device 7 is connected to one terminal of the motor 5, and the other terminal of the induction coil Y is connected via the cam switch 6 to the minus circuit of the vehicle side 12 volt power source. It is connected to the. One terminal of the relay switch 8 of the self-holding relay device 7 is connected to the other terminal of the relay switch 4, and the other terminal of the relay switch 8 is connected to the plus circuit of the 12-volt power supply on the vehicle side to form the self-holding circuit. Is forming.

FIG. 3 is a schematic view of the rotary display 13 and the display drive block 9 arranged behind the rear seat of the passenger car.

FIG. 4 is a perspective view showing an embodiment of the rotary display body 13. The rotary display 13 has a triangular prism 131 centered on the main axis A, and the three surfaces of the triangular prism 131 are the display surface B.

FIG. 5 is a perspective view showing another embodiment of the rotary display body 13. The rotary display 13 has a display plate D provided on each of a plurality of display plate rotation axes C arranged in a cylindrical shape around the main axis A.

[0017]

[Effect of device]

 Since the present invention is configured as described above, it has the following effects.

That is, when the vehicle information display device according to the present invention is used, the display is changed by stepping on the foot brake, so that a new display can be seen each time, and a plurality of displays can be displayed. Alternatively, several types of display such as a caution display can be displayed. Furthermore, since it is composed of relays, motors, etc., it can have a simple structure, and a cost reduction effect can be expected.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of an automobile information display device of the present invention.

FIG. 2 is a circuit diagram for driving a motor that rotates a rotary display body.

FIG. 3 is a schematic perspective view showing a state where a rotary display body and a display body drive block are installed behind a rear seat of a passenger car.

FIG. 4 is a perspective view showing an embodiment of a rotary display body.

FIG. 5 is a perspective view showing another embodiment of the rotary display body.

[Explanation of symbols]

 1 Foot Brake Switch 2 Brake Lamp 3 Relay Device X Induction Coil 4 Relay Switch 5 Motor 6 Cam Switch 61 Lead Contact 7 Self-Retaining Relay Device Y Induction Coil 8 Relay Switch 9 Indicator Drive Block 10 Cam 11 Notch 11 'Notch 12 Low speed conversion gear 13 Rotation indicator 131 Triangular prism 14 Bearing part 15 Base A Spindle B Display surface C Display plate Rotation axis D Display plate

Claims (2)

[Scope of utility model registration request] 1. A rotary display body having a plurality of display surfaces, a motor connecting the rotary display body via a low speed conversion gear, and a relay device connected in parallel to a brake lamp for starting the motor. An automotive information display device comprising a self-holding relay device for holding the rotation of a motor, a cam switch for stopping the rotation of the motor, and a self-holding circuit having a cam for starting the cam switch. 2. The information display device for an automobile according to claim 1, wherein a display plate is provided on each of a plurality of display plate rotation shafts arranged in a cylindrical shape around the main shaft to form a rotary display body.