KR20020015187A - An instrument system for vehicle - Google Patents

Abstract

PURPOSE: A gauge of a vehicle is provided to illuminate evenly regardless of rotation by guiding light with an indicating unit in a rotating shaft, and to reduce expense by dividing an indicating part into an indicating arm and an indicating boss with simple structure. CONSTITUTION: A gauge for a vehicle is composed of an instrument panel(100); a lamp(200) installed in the instrument panel; a movement(300) operated by receiving an input signal from a vehicle; a transparent rotating shaft(310) supported by the movement; and an indicating part(400) displaying traveling state by reflecting rays in the upper part of the rotating shaft. The indicating part consists of an indicating boss inserted to the rotating shaft, an indicating arm placed in the upper part of the indicating boss to indicate, and an indicating cap preventing leak of light by containing the indicating boss and the indicating arm. Light of the lamp is transmitted from the lower part to the upper part of the rotating shaft and the indicating boss of the indicating part, and reflected for the indicating arm. Information on the vehicle is displayed with reflecting rays in stamp surfaces. Illumination is performed evenly regardless of turning the rotating shaft, and expenses are reduced with modifying the indicating arm.

Description

Instrument for Vehicles {An instrument system for vehicle}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle instrument, and more particularly to a vehicle instrument using a shaft of a stepper motor as a light source.

In general, the instrument device displays the information on the driving condition of the vehicle and the operation of each device to the driver's seat accurately and informs the driver, so that the vehicle can be safely driven, and the maintenance and inspection are foreseen to prevent accidents.

Conventional vehicle instrument as shown in Figures 5 to 7, when the light is emitted from the light 10 installed in the panel not shown is fitted to the rotating shaft 31 of the speed meter 30 through the light guide 20 The light guide unit 40 is configured to transmit light.

In this case, the guide portion 40 is disposed on the light guide body 20, the guide arm 41 is inserted into the rotary shaft 31 to be rotated, and is installed at a predetermined position of the guide arm 41 The light diverging plate 42 reflects the light transmitted from the light guide 30 to one end of the guide arm 41 and the other end of the guide arm 41 to be balanced when the guide arm 41 is rotated. The balance weight 43 and the light emitting plate 42, which is to be maintained, is inserted into the lower portion from the upper portion of the guide arm 41 provided with the guide arm 41 and the guide cam 44 installed to surround the light emitting plate 42. consist of.

In addition, the guide arm 41 is provided with a stamping surface (41a, 41b) on the upper surface and the lower surface so that the light reflected by the light emitting plate 42 through the light guide 20 is reflected upwards to facilitate visibility. .

Therefore, when the rotating shaft 31 is rotated while the meter 30 is driven by receiving an input signal from the vehicle, the guide installed on the rotating shaft 31 is provided with a scale on the dial (not shown) to display the movement amount as information. The driver recognizes the necessary information according to the instructional relationship between the unit 40 and the scale.

In addition, when light is emitted from the light 10, the light is guided to be refracted through the light guide 20, and then light is transmitted through the guide arm 41 and the light emitting plate 42 of the guide part 40. After that, it is reflected on the stamping surfaces 41a and 41b provided on the upper and lower portions of the guide arm 41 to have visibility to the driver.

However, this instrument has a problem that the cost increases due to the increase in the assembly cost and the number of parts because the balance weight and the light guide.

In addition, there is a problem that the brightness of the illumination changes as the guide rotates because the guide is illuminated using the reflective surface of the light guide.

There was a problem that the guide arm must be manufactured separately according to the vehicle model.

Therefore, the present invention has been made to solve the above problems, because the assembly is guided directly to the axis of rotation of the stem motor to guide the light does not require a counterweight and a light guide, the structure is simple, as well as receive light from the axis of rotation Therefore, the object of the present invention is to provide a vehicle instrument that can always obtain a uniform illumination irrespective of rotation.

In addition, the guide part is divided into guide arm and guide boss, and when the length, width, and appearance of each vehicle type are changed, only the guide arm is developed to provide a vehicle instrument that can minimize mold cost according to the changed part. .

1 is a partial cross-sectional view showing a vehicle instrument according to the present invention,

Figure 2 is an exploded perspective view of the guide portion constituting the instrument according to the present invention,

3 is a bottom view of the guide boss shown in FIG.

4 is a front view showing a stamping surface of the guide arm shown in FIG.

5 is a schematic explanatory diagram showing an instrument according to the prior art;

Figure 6 is an exploded perspective view showing a guide portion of the instrument according to the prior art,

7 is a front view of the guide arm according to the prior art.

* Description of the symbols for the main parts of the drawings *

100: substrate 200: lamp

300: movement 310: rotation axis

400: guide portion 410: boss portion

411: reflecting surface 412: coupling groove

413: Boss 413a: Home

420: guide arm 421: engaging protrusion

430: guide cap 431: seating slot

The present invention for achieving the above object, in the vehicle instrument device for indicating the instrument panel by reflecting the light emitted from the lamp installed at a predetermined position of the substrate through the guide portion, the lamp of the lamp provided at the predetermined position of the substrate A transparent rotating shaft is installed to rotate by being supported by a movement that is installed on the substrate and receives an input signal from the vehicle, and the upper portion of the rotating shaft that protrudes above the movement is configured to indicate a driving situation of the vehicle. The reflective guide portion is characterized in that it is fitted.

The guide portion includes a guide boss of a predetermined shape having a reflection surface formed on the other end of the rotary shaft, and a guide arm mounted on an upper portion of the guide boss and protruding from one end thereof. do.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a partial cross-sectional view showing an instrument for a vehicle according to the present invention, Figure 2 is an exploded perspective view of the guide portion constituting the instrument according to the invention, Figure 3 is a bottom view of the guide boss shown in Figure 2, 4 is a front view showing a stamping surface of the guide arm shown in FIG. 2, and the same reference numerals are attached to the same parts as those in FIGS.

The instrument of the present invention includes a substrate 100, a lamp 200 such as a small LED (LED) provided at a predetermined position of the substrate 100, and an input signal from a vehicle provided on the substrate 100. Movement 300, such as a step motor, which receives and operates, and a transparent rotating shaft 310 of the movement 300, one end of which is positioned above the lamp 200, and the other end of the guide portion 400 is fitted to drive the vehicle. It is meant to dictate the situation.

The guide portion 400 is fitted to the other end of the rotary shaft 310, and the guide boss 410 of a predetermined shape having a reflective surface 411, and is seated on the top of the guide boss 410, and The guide arm 420 and the guide arm 420 and the guide arm 420 and the boss boss 410 are inserted into the upper part so as to receive the guide arm 420 and the boss boss 410 so that light is unnecessary. Consists of a guide cap 430 to prevent leakage.

A coupling groove 412 into which the guide protrusion 421 of the guide arm 420 is inserted and seated is formed in the guide boss 410 so that the guide arm 420 is tightly coupled to the guide boss 410. A boss 413 having an octagonal groove 413a is provided to fit the octagonal column formed at one end of the rotation shaft 310 to a central axis.

In addition, the guide cap 430 is formed with a seating slot 431 to which one end of the guide arm 420 is fitted.

On the other hand, stamp surfaces 422a and 422b for reflection are coated on the lower surface of the guide arm 420.

Therefore, when the light is emitted from the light 200, the light is transmitted from the lower portion of the rotary shaft 310 to the upper portion and is transmitted to the guide boss 410 of the guide portion 400.

At this time, the light transmitted to the guide boss 410 is reflected by the reflecting surface 411 to the front, and reflected to one end of the guide arm 420 and reflected upward by the stamp surface (422a, 422b) It becomes uniform visibility.

On the other hand, the light is reflected on the stamp surface 422a, 422b at the lower and upper side of the guideline, and this color is recognized by the driver according to the color of the stamp so that the driver can know the current vehicle information.

In addition, since light is received from the rotating shaft 310, uniform illumination is obtained regardless of the rotation of the rotating shaft 310.

In addition, since the guide boss 410 and the guide arm 420 constituting the guide unit 400 are separated, when the guide unit 400 is developed according to a vehicle type, only the guide arm 420 is developed and assembled. Development costs are minimized.

According to the present invention as described above, since the guide portion is directly assembled to the rotating shaft to guide the light, the balance weight and the light guide are not necessary, the structure is simple, and because it receives light from the lower part of the rotating shaft, it is always uniform regardless of rotation. The effect is to get the lighting.

In addition, when the guide part is divided into guide arm and guide boss, the guide arm can be developed only when the length, width and appearance shape change for each model, thereby minimizing mold cost according to the changed part.

Claims (3)

In the vehicle instrument device to indicate the instrument panel by reflecting the light emitted from the lamp installed at a predetermined position of the substrate through the guide portion, A transparent rotating shaft is installed so that the light of a lamp installed at a predetermined position of the substrate is installed on the substrate and is supported by the movement to receive an input signal from the vehicle and is rotated. The upper portion of the rotating shaft protrudes above the movement. In the vehicle instrument apparatus, characterized in that the guide portion is inserted to reflect the light to indicate the driving situation of the vehicle. The method of claim 1, The guide unit includes a guide boss of a predetermined shape having a reflection surface formed on the other end of the rotary shaft, and a guide arm mounted on an upper portion of the guide boss and protruding in one end. The method of claim 2, The lower portion of the guide boss is a vehicle instrument device characterized in that the boss provided with an octagonal groove is formed so that the pressing input is constant when the pressing on the rotary shaft.