JP2001343259A - Measuring instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a measuring instrument which suppress light reflections toward decorative members to suppress the visibility or commodity level from lowering. SOLUTION: A case 5 houses indicating meters composed of dials 7 disposed in the front of the instrument body 6 and needles 9 moving according to the revolution of the body 6. A black facing plate 13 and a transparent see-through plate 16 are disposed on the front opening of the case 5. Windows 15 facing indicating areas 10 of the indicating meters are provided at regions facing the indicating meters on a flat part 14 of the facing plate 13, metallic decorative rings 20A with a gloss as decorative members are provided around the windows 15, and the ring 20A and has an approximately inverted U-shape in section and is made by chroming the surface of a metal plate. A shading wall 23 is integrated with the facing plate 13 inside the ring 20A, i.e., the cut face 21 of the window 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an instrument mounted on a vehicle, for example, and more particularly to an instrument having a decorative member disposed around a display area of an indicating instrument.

[0002]

2. Description of the Related Art FIG. 3 is a front view of an instrument device mounted on a vehicle, and FIG. 4 is a sectional view thereof. Indicating instruments such as a speedometer 1, a tachometer 2, a fuel gauge 3, and a thermometer 4 are housed in a case 5 made of synthetic resin. Each indicating instrument is the instrument body 6
A dial 7 disposed on the front side of the instrument main body 6;
A pointer 9 is fixed to the pointer shaft 8 of the instrument main body 6 and operates according to the rotation of the pointer shaft 8. The dial 7 has a display area 10 provided with white indicators such as graduations, numerals, and characters (not shown) corresponding to the rotation of the hands 9. The index portion is configured to be transmitted and displayed by receiving illumination light from a light source described later, and a black ground color is provided for portions other than the index portion.
The pointer 9 is formed so as to guide light from a light source into the pointer 9 through a light guide plate 11 disposed between the instrument main body 6 and the dial 7 so as to illuminate and emit an indicator 12 of the pointer 9. It is.

On the front opening side of the case 5, a black dial plate 13 is disposed, and in a flat portion 14 of the dial plate 13 corresponding to each indicator, a display area 10 of each indicator is provided.
Window 15 is provided. Therefore, except for the display area 10 of each indicating instrument which is seen through the window 15, the return plate 13 is used.
The inside of the case 5 is not visible. The front of the return plate 13 is covered with a see-through plate 16 made of a transparent resin. Case 5
A printed wiring board 17 is disposed on the bottom side of the instrument, and is electrically connected to the instrument body 6. The back surface of the printed wiring board 17 is covered with a cover 18. In addition, the printed wiring board 17 is provided with the above-mentioned indicator portion of the dial 7 through transmission illumination,
A lamp 19 is mounted as a light source for guiding light to the light guide plate 11 to illuminate and emit the hands 9.

In the instrument device constructed as described above, a decorative ring 20 as a decorative member is provided around a window 15 provided in the flat portion 14 of the return plate 13 in order to provide decorativeness and emphasize the display area 10. May be attached. This decorative ring 20 is shown in FIG.
For example, as shown in FIG.
Is formed so as to have an L-shaped cross section, and is mounted not only on the surface of the flat portion 14 around the window 15 but also on the cut surface 21 of the window 15.

[0005]

However, although the decorative ring 20 in the above-mentioned conventional example has a high decorative effect,
Light emitted from the tip of the indicating portion 12 of the pointer 9 or light transmitted through the index portion provided on the dial 7 is transmitted through the cut surface 21 of the window 15.
There is a possibility that the light may be reflected by the decorative ring 20 on the side and affect the reading of the index portion, or the commercial value of the instrument device may be reduced.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an instrument device capable of suppressing light reflection on a decorative member and suppressing a decrease in visibility or merchantability.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a dial having a pointer which rotates in accordance with the operation of an instrument main body and a display area provided with an indicator corresponding to the pointer. An indicating instrument disposed on the front side of the main body, a glossy decorative member disposed around the display area, a light source for illuminating at least one of the indicator or the pointer, and the decoration A light shielding member provided between the member and the display area.

Further, the light shielding member has a height dimension equal to or greater than that of the decorative member.

Further, the decorative member has a metallic luster.

[0010] The light-shielding member may be the same color or an approximate color as the ground color of the dial.

The decorative member has a substantially inverted U-shaped cross section or a substantially inverted V-shaped cross section.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described based on each embodiment. The same or corresponding parts as those of the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted. FIG. 1 is a sectional view of an instrument device showing a first embodiment of the present invention.

In the same manner as in the above-mentioned conventional example, a window 15 facing the display area 10 of each indicating instrument is provided at a position corresponding to each indicating instrument on the flat portion 14 of the dial plate 13 made of black synthetic resin.
Is provided. A metal decorative ring 20A as a decorative member is provided around the window 15. The decorative ring 20A has a substantially inverted U-shaped cross section, and is formed by forming a metal plate in a substantially inverted U shape and then performing chrome plating on the surface to obtain a glossy metal tone. Decorative ring 2
The decorative ring 20A is inserted into a through hole provided in the flat portion 14 of the return plate 13 by providing the foot portion 22 at an appropriate position of the return plate 13A.
It is stuck to. Further, a light-shielding wall 23 as a light-shielding member having substantially the same height as the decorative ring 20A is provided inside the decorative ring 20A, that is, on the cut surface 21 of the window 15.
It is provided integrally.

As described above, the decorative ring 20A provided with chrome plating is provided around the window 15 of the facing plate 13 around the display area 10, and inside the decorative ring 20A (that is, the decorative ring 20A and the display area 10). Between) shading wall 2
With the provision of 3, the light emitted from the tip of the indicating portion 12 of the pointer 9 and the light transmitted through the index portion provided on the dial 7 are reflected on the decorative ring 20A and glare while maintaining the decorativeness. Can be prevented. Further, by giving the decorative ring 20A a glossy metal tone, a high-class feeling is given to the instrument device. In addition, the height dimension of the light-shielding wall 23 is
By setting the height to 0A or more, light reflection can be suppressed even if the height dimension of each member constituting the instrument device varies somewhat. Further, the light-shielding wall 23 does not need to be provided on the entire periphery of the cut surface 21, and may be provided at least in the rotation range of the hands 9 or in the index portion range provided corresponding to the rotation of the hands 9.

Further, since the ground color of the light-shielding wall 23, the dial 7 and the dial plate 13 is the same, the light-shielding wall 23 is inconspicuous, the decorative ring 20A stands out more, and the decorative effect is further enhanced. In addition, since the decoration ring 20A is provided with a substantially inverted U-shaped cross section, external light shines on the decoration ring 20A, and the surface of the decoration ring 20A shines with light and dark. Provided by

FIG. 2 shows a second embodiment of the present invention. As shown in FIG. 2, the dial 7 has a first flat portion 24 which is a display area 10 having an indicator corresponding to each of the indicating instruments of the speedometer 1 and the tachometer 2, and the first flat portion 24. It has a second flat portion 25 which is formed with a step and corresponds to the flat portion 14 of the return plate 13 in FIG. A decorative ring 20B as a decorative member and a light shielding ring 26 as a light shielding member are provided on the second flat portion 25. The decorative ring 20B is made of chrome-plated glossy resin, has a substantially inverted V-shaped cross section, and is provided with a round pin 27 at an appropriate position on the opposite side. The decorative ring 20B is fixed to the dial 7 by inserting it into the through hole and welding it on the back side of the dial 7.

The light-shielding ring 26 provided inside the decoration ring 20B, that is, around the display area 10 side, is made of black resin having an L-shaped cross section.
The decorative ring 20B is fixed to the dial 7 so as to be interposed between the dial 0B and the dial 7, and the light blocking ring 26 is also fixed.

As described above, the decorative ring 20B provided with a metallic chrome plating is provided on the second flat portion 25 of the dial 7 around the display area 10.
0B (that is, the decoration ring 20B and the display area 10B).
The light shielding ring 26 is provided between
While the decorativeness is maintained as in the embodiment, it is possible to prevent the light emitted from the tip of the indicator 12 of the pointer 9 or the light transmitted through the index portion provided on the dial 7 from being reflected on the decoration ring 20B and glare. it can. Also, since the ground color of the light-shielding ring 26 and the dial 7 are the same, the light-shielding ring 26 is inconspicuous, the decorative ring 20B stands out more, and the decorative effect is further enhanced.
In addition, by providing the decorative ring 20B with a substantially inverted V-shaped cross section, the instrument device is given a more three-dimensional appearance and a higher-grade appearance.

In each embodiment, the light guide plate 11 is used to illuminate and emit the hands 9.
It is also possible to arrange a light source behind the pointer 9 without using, and to directly illuminate and emit the pointer 9. Alternatively, a light source may be built in the pointer 9. The decorative member may be a metal or molding resin plated or painted with silver or gold, or may be a metallic metallic material itself. In addition, although the description has been given of an example of the instrument device including the plurality of indicating instruments, the number of the indicating instruments may be one.

[0020]

According to the first and second aspects of the present invention, it is possible to obtain an instrument device in which a decrease in visibility or merchantability is suppressed.

According to the third aspect of the present invention, a high-class feeling is given to the instrument device.

According to the fourth aspect, the decorative member is more prominent, and the decorative effect is further enhanced.

According to the fifth aspect, the three-dimensional appearance and the high-grade appearance are more given to the instrument device.

[Brief description of the drawings]

FIG. 1 is a sectional view of an instrument device according to a first embodiment of the present invention.

FIG. 2 is a sectional view of an instrument device according to a second embodiment of the present invention.

FIG. 3 is a front view of the instrument device.

FIG. 4 is a sectional view of an instrument device showing a conventional example.

[Explanation of symbols]

 5 Case 6 Instrument body 7 Dial 9 Pointer 10 Display area 19 Lamp (light source) 20, 20A, 20B Decorative ring (decorative member) 23 Light shield wall (light shield member) 26 Light shield ring (light shield member)

Claims (5)

[Claims] An indicating instrument comprising a dial having a display area provided with a pointer which rotates according to the operation of the instrument main body and an indicator corresponding to the pointer, is provided on the front side of the instrument main body; A glossy decorative member disposed around the display area, a light source for illuminating at least one of the index portion and the pointer, and a light shielding disposed between the decorative member and the display area A meter device comprising: a member; 2. The instrument device according to claim 1, wherein the light shielding member has a height dimension equal to or greater than that of the decorative member. 3. The instrument device according to claim 1, wherein the decorative member has a metallic luster. 4. The instrument device according to claim 1, wherein the light-shielding member has a color that is the same as or approximate to the ground color of the dial. 5. The instrument device according to claim 1, wherein the decoration member has a substantially inverted U-shaped cross section or a substantially inverted V-shaped cross section.