JP2001281007A - Meter device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a meter device the cost of which can be lowered, when a front panel is made to produce surface emission. SOLUTION: A measuring instrument body 3, in which a drive shaft 2 is extended to the front is installed. A pointer 4 is mounted on the tip side of the drive shaft 2. Between the pointer 4 and the instrument body 3, the front panel 5 constituted of an index part 51 as an object to be indicated by the pointer 4, a first panel region 52, in which a prescribed region which is continuous by including the index part 51 is formed optically transmissive, and a second light-shielding panel region 53 adjacent to the panel region 52 is arranged. Light sources 6 are arranged on the front side of a circuit board 1, situated on the side of the drive shaft 2 from the panel region 52, in such a way that light-emitting faces 6a are directed to the axial direction of the drive shaft 2. Between the front panel 5 and the light sources 6, a reflecting body 7 where a first reflection part 75, which faces the light-emitting faces 6a of the light sources 6 and which reflects their illumination light to the outer circumference, is equipped, and a second reflection part 77 which is extended to the outside by keeping an air layer (a proper space) S from the front panel 5 and which reflects the illumination light to the side of the front panel 5 is constituted is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a meter device mounted on various vehicles such as motorcycles and automobiles, and more particularly to a lighting structure thereof.

[0002]

2. Description of the Related Art A meter device mounted on various vehicles is equipped with a meter body having a drive shaft protruding from a circuit board, mounted on a tip of the drive shaft, and an indicator such as a scale or a character behind the pointer. Only a front panel formed so that only light is transmitted and the other part is formed to have a light blocking property is arranged, and a light source disposed behind the front panel is used to transmit and illuminate the indicator of the front panel. General.

In this type of meter device, a predetermined area including the index portion is provided as a light-transmitting light-emitting surface, and the light-emitting surface is illuminated through a light source. A so-called surface-emitting type is known.

As described above, in the meter device that emits light from the front panel, in order to reduce illumination unevenness on the light emitting surface,
It is known that a light diffusion member or a light guide is interposed between the light source and the front panel, or that a surface emitting light source such as EL (electroluminescence) is disposed behind the front panel (for example, Japanese Patent Application Laid-Open No. H11-118535). No., JP-A-11
143412 publication).

[0005]

However, a device in which a diffusion plate or a light guide is interposed between a light source and a front panel not only increases the number of parts and weight but also complicates the structure. This requires troublesome lighting tuning, which is a major bottleneck in cost reduction.
Further, since a planar light source such as an EL is expensive, the use of a planar light source directly leads to an increase in cost. The present invention has been made in view of these points, and a main object of the present invention is to provide a meter device that can achieve a cost reduction when the front panel is made to emit surface light.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an instrument body having a drive shaft extending forward, a pointer mounted on the distal end side of the drive shaft, and an index indicated by the pointer. A front panel having a first panel region formed by forming a continuous region including the portion and the indicator portion to be light-transmissive, and a light-shielding second panel region adjacent to the first panel region; A light source disposed behind the front panel, on the drive shaft side relative to the first panel area, such that a light-emitting surface is oriented in the axial direction of the drive shaft; and a light source disposed behind the front panel, A first reflection portion facing the light source and reflecting the illumination light from the light source to the outer periphery and the front panel extend outward with an appropriate space, and a second reflection for reflecting the illumination light to the front panel side A reflector having a portion;
It is characterized by having.

According to another aspect of the present invention, there is provided an instrument body having a drive shaft extending forward, a pointer mounted on a tip side of the drive shaft, an indicator to be indicated by the indicator, and an indicator. And a front panel having a first panel area formed by forming a continuous predetermined area to be light-transmissive, and a light-shielding second panel area adjacent to the first panel area; A light source disposed behind the first panel area on the drive shaft side relative to the first panel area so that a light emitting surface faces an opposite side to a position of the drive shaft; and a light source disposed behind the front panel and the front surface. The panel is characterized in that the panel includes a reflector that extends outwardly with an appropriate space, and has a reflector that reflects illumination light from the light source toward the front panel.

In the invention, it is preferable that the pointer comprises a non-luminous pointer extending into the first panel area.

Further, in the present invention, the front panel has a through hole for connecting the drive shaft and the pointer, and the second panel region portion extends from the periphery of the through hole to the first panel region. , And the light source is disposed in the second panel area.

Further, the present invention is characterized in that the indicator has a light shielding property.

Further, the present invention is characterized in that a circuit board is arranged behind the reflector, and the instrument main body is arranged behind the circuit board so that the drive shaft passes through the circuit board. .

Further, according to the present invention, the reflector has a wall portion located between the drive shaft and the light source and extending forward.
The first reflection portion is formed on the wall portion.

Further, the present invention is characterized in that a plurality of the light sources are arranged on a concentric circle centered on the drive shaft.

Further, the present invention is characterized in that the first reflecting portion is formed of an inclined surface or an inclined curved surface inclined at a predetermined angle with respect to the front panel.

Further, the present invention is characterized in that the inclined surface or the inclined curved surface is formed in a conical surface surrounding the drive shaft.

The present invention is characterized in that the second reflecting portion or the reflecting portion has an inclined surface or an inclined curved surface which approaches the front panel as going outward.

Further, the present invention is characterized in that the inclined surface or the inclined curved surface is formed so that the inclination angle with respect to the front panel becomes gradually larger toward the outside.

Further, the present invention is characterized in that the reflector is made of a white synthetic resin material.

Further, the present invention is characterized in that the wall surface of the reflector has a glossy surface.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION A meter device according to the present invention has a meter body with a drive shaft extending forward mounted on a circuit board, and a pointer mounted on a tip end of the drive shaft. An index portion to be indicated by the pointer, a first panel region formed by continuously forming a predetermined region including the index portion to be light-transmissive, and a second light-shielding second region adjacent to the first panel region.
A front panel composed of a panel area is arranged, and a light source is arranged on the front side of a circuit board located closer to the drive shaft than the first panel area so that the light emitting surface faces the axial direction of the drive axis, Between the front panel and the circuit board, a first reflecting portion facing the light source and reflecting the illumination light to the outer periphery and the front panel are extended to the outside with an appropriate space, and reflect the illumination light to the front panel side. And a reflector having a second reflector. Illumination light emitted from the light source is reflected to the outer periphery by the first reflector of the reflector, and thus is reflected to the outer periphery by the first reflector. The illuminated light is further reflected by the second reflector of the reflector toward the front panel, and illuminates the first panel area by transmission. By illuminating the front panel through the first and second reflectors in this way, an illumination room including a light source, the first and second reflectors, and an air layer interposed between the respective reflectors behind the front panel. Thus, the first panel region can be made to emit light in a substantially uniform manner with a simple configuration without arranging a planar light source behind the front panel, thereby achieving cost reduction.

Further, in the meter device according to the present invention, in the basic configuration including the circuit board, the meter main body, the pointer, the front panel, the light source, and the reflector, the light source is arranged such that the light emitting surface faces the opposite side to the position of the drive shaft. It may be arranged, and the reflector may be provided with a reflection portion that extends outward with a space between the front panel as appropriate and reflects the illumination light from the light source to the front panel side. Similarly, an illumination room including a light source, a reflection unit, and an air layer can be formed behind the front panel, so that the first panel area can be almost uniformly surface-emitted without using a planar light source with a simple configuration. And cost reduction can be achieved.

In each of the above-described embodiments, the first guideline is used.
A non-light emitting pointer extending into the panel area of the first panel area, and the non-light emitting pointer is visually recognized as a shadow or a transmission image on the first panel area. It becomes unnecessary and leads to further cost reduction. At this time, the pointer may be provided in a light-shielding property or in a light-transmitting property. The first with the transmitted image of the pointer as the background
It is desirable to set it so that it can be distinguished from the panel area.

In each of the above embodiments, the front panel is provided with a through hole for connecting the drive shaft and the pointer, and the front panel portion extending from the periphery of the through hole to the first panel region is formed in the second panel region. Set as part of this second
When the light source is arranged in the panel area portion of the above, unnecessary areas can be made invisible.

In each of the above-described embodiments, when the index portion is formed to be light-shielding, high contrast display can be performed with the index portion as a shadow in the background of light emission, and visibility can be improved. Note that the indicator portion can be formed to be light-transmissive and displayed as a transmissive image. However, when the indicator portion is provided to be light-transmissive, the first image in which the transmitted image of the indicator portion becomes the background, as in the case of the pointer. It is desirable to set it so that it can be distinguished from the panel area.

In each of the above embodiments, when the instrument main body is disposed behind the circuit board such that the drive shaft penetrates the circuit board, a space around the drive shaft on the front side of the circuit board can be secured. One panel area can be expanded in the drive axis direction, and the light emitting surface can be enlarged.

In each of the above embodiments, when the reflector is provided with the first reflecting portion, it is advantageous to form the first reflecting portion on the wall portion located between the drive shaft and the light source and extending forward. is there. Preferably, the first reflector is formed as an inclined surface or an inclined surface inclined at a predetermined angle with respect to the front panel. When the first reflector is set as an inclined surface or an inclined curved surface, a conical shape surrounding the drive shaft is provided. In this case, light from the light source can be reflected in the outer peripheral direction in a well-balanced manner.

In each of the above embodiments, when a plurality of light sources are arranged on a concentric circle centered on the drive shaft, bright and balanced illumination can be performed. The type of light source is arbitrary, but a light emitting diode that is small and generates a small amount of heat is preferable.

In each of the above embodiments, it is advantageous in terms of uniform illumination if the second reflecting portion or the reflecting portion is constituted by an inclined surface or an inclined curved surface gradually approaching the front panel toward the outside. is there.

In this case, it is more advantageous that the inclined surface or the inclined curved surface is formed so that the inclination angle with respect to the front panel becomes gradually larger toward the outside.

In each of the above embodiments, when the reflector is formed of a white synthetic resin material, it is suitable for weight reduction and cost reduction. In this case, if the wall surface of the reflector is a glossy surface, it is advantageous in terms of illumination efficiency.

[0031]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a meter device according to the present invention will be described below with reference to the accompanying drawings.

FIGS. 1 to 5 show a first embodiment of the present invention. FIG. 1 is an exploded perspective view of a meter device, FIG. 2 is a plan view of a main part showing an assembled state of FIG. 1, and FIG. FIG. 4 is a cross-sectional view taken along line AA of FIG. 2, and FIG.
It is sectional drawing along the BB line of FIG.

In FIG. 1, the instrument device according to the present embodiment is mounted on a circuit board 1, an instrument body 3 which is electrically connected to the circuit board 1 and has a drive shaft 2 extending forward, and a distal end side of the drive shaft 2. A pointer 4, a front panel 5 disposed between the pointer 4 and the circuit board 1, a light source 6 disposed near the periphery of the drive shaft 2 at a position on the front side of the circuit board 1, and a front panel 5 And a reflector 7 arranged between the circuit board 1.

The circuit board 1 is composed of a hard circuit board in which a wiring pattern (not shown) is formed on a glass epoxy base material, for example, and a driving means (not shown) for driving and controlling the instrument main body 3 and, for example, a resistor And various circuit components (not shown) such as capacitors are electrically connected to the wiring pattern.

The instrument body 3 is composed of a movable magnet instrument or a stepping motor, is mounted behind the circuit board 1 so that the drive shaft 2 passes through the shaft hole 11 formed in the circuit board 1, and is soldered. Is electrically connected to the wiring pattern (the driving means) by an appropriate conducting means.

The pointer 4 is made of a light-shielding synthetic resin, and as shown in detail in FIGS. 2 and 4, a boss 41 connected to the tip of the drive shaft 2 and a plate of the front panel 5 from the boss 41. A pointing unit 42 extending along the surface, and the leading end of the pointing unit 42 extends into a first panel area of the front panel 5 which will be described later.

As shown in detail in FIG. 2, the front panel 5 is arranged in an arcuate array along the rotation trajectory of the hands 4, and is arranged on the scales, characters, and marks to be indicated by the hands 4. An index portion 51, a first panel region 52 composed of a light-transmitting region including the index portion 51 and extending continuously in a strip shape including the index portion 51, and the first panel region 52
And a second panel region 53 formed of a light-shielding region adjacent to the second panel region 53.

The second panel area 53 comprises a light-shielding ink layer 5b formed by printing on the surface of a substrate 5a made of a transparent synthetic resin, which is a base material of the front panel 5, and does not form the light-shielding ink layer 5b. A first panel area 53 is formed by the strip-shaped cutout. In this embodiment, the first
Although the shape of the panel region 52 is set to a band shape, the shape is arbitrary as long as it is formed as a predetermined continuous region including the index portion 51. If the first panel region 52 has a light transmitting property, the first panel area 52 can be colored with a light transmitting colored ink, for example. For the purpose of improving the illumination efficiency, a white reflective print layer may be provided on the side of the front panel 5 facing the reflector 7.

The index portion 51 is formed by printing on the light-shielding ink layer 5b so as to be positioned in the first panel region 52 at the same time as the printing of the second panel region 53.

The front panel 5 is also provided with a through hole 54 at a position corresponding to the drive shaft 2, and the drive shaft 2 and the boss 41 of the pointer 4 can be connected through the through hole 54.

The light source 6 is made of, for example, a chip type light emitting diode, and is located on the front side of the circuit board 1 and on the front panel 5.
Through hole 54 on the drive shaft 2 side of the first panel area 52.
In this case, the shaft hole 11 is located in a second panel area 53 extending from the periphery of the first panel area 52 toward the first panel area 52.
Alternatively, a plurality of them are arranged near the periphery of the drive shaft 2 and a plurality of them are arranged at substantially equal intervals on a concentric circle centered on the drive shaft 2. At this time, the light source 6 is arranged so that its light emitting surface 6a faces the axial direction of the drive shaft 2.

The reflector 7 is made of an injection-molded body formed of a white synthetic resin in the shape of a case. As shown in detail in FIGS.
Peripheral wall portion 71 extending forward so as to surround the panel region 52 of the vehicle, and an extension portion 7 partially extending from the front side of the peripheral wall portion 71 to the center side (drive shaft 2 side) along the front panel 5.
2, a cylindrical wall portion 74 supported by the extension portion 72 and having an opening 73 corresponding to the through portion 54 of the front panel 5;
Surrounding the wall 74 at a predetermined interval, the light source 6
A first reflector 75 extending obliquely from the rear end of the wall 74 so as to face the first reflector 75; and a first reflector 75 formed on the bottom side corresponding to the first reflector 75 and the wall 74. An annular opening 76 serving as a die-cutting part when forming the reflection part 75 and the cylindrical part 74 of the first part, and a second part extending from the front side of the peripheral wall part 71 excluding the extension part 72 toward the light source 6 (opening part side). And two reflecting portions 77.

In this case, at least the outer wall surface on the inner side of the cylindrical portion 74, the outer wall surface on the light source 6 side of the first reflecting portion 75, and the outer wall surface on the front panel 5 side of the second reflecting portion 77 are formed by surface polishing of a molding die. Alternatively, it is formed as a glossy surface by clear coating or the like after molding. In this embodiment, the reflector 7 is the instrument body 3.
And is formed of a one-piece component having a plurality of reflector portions corresponding to the number of reflectors. In this embodiment, the first reflector 75 is provided continuously with the second reflector 77, but these reflectors 75 and 77 may be provided as separate components.

The first reflecting portion 75 is a substantially conical inclined surface surrounding the wall portion 74 and having a large diameter on the front panel 5 side and a small diameter on the light source 6 side. 6a. The inclination angle of the front panel 5
The angle is set to approximately 45 degrees with respect to the plate surface, and is formed so as to reflect the illumination light from the light source 6 in the outer peripheral direction (on the second reflecting portion 77 side). Further, the first reflecting portion 75 includes a cylindrical portion 74.
4 and 5, and their cross-sectional shapes are substantially "V" shaped as shown in FIGS.

The second reflecting portion 77 extends outward (the front side of the peripheral wall portion 71) from the front panel 5 with an air layer S therebetween so as to surround the periphery of the light source 6. An inclined surface close to the panel 5,
It is formed in a curved surface (inclined curved surface) in which the inclination angle with respect to the front panel 5 gradually increases toward the outside, and is formed so as to reflect the illumination light reflected by the first reflector 75 to the front panel 5 side. . Note that the second reflecting portion 77 and the first reflecting portion 75 are separated through a portion (opening portion 76) corresponding to the light source 6, so that the direct light from the light source 6 and the reflected light from the first reflecting portion 75 To the outer peripheral direction
Can be passed to the reflection portion 77 side. Further, by dividing the first and second reflecting portions 75 and 77 from each other in this manner, the air space S is provided with the light source 6 (first
Of the first reflecting portion 75, the second reflecting portion 77, the air layer S, and the light source 6 to form an illumination room for guiding illumination light to the front panel 5. I do.

In such a configuration, when the light source 6 emits light, the illuminating light is reflected by the first reflecting portion 75 of the reflector 7 in the outer peripheral direction (the second reflecting portion 77 side), and
The illumination light that has reached the reflection portion 77 is further reflected by the second reflection portion 77 to the front panel 5 side, whereby the first panel region 52 of the front panel 5 emits light. On this occasion,
Since both the indicator 51 and the indicator 42 of the pointer 4 are formed to be light-shielding, the first panel region 52 that emits bright light is displayed as a background, and the indicator 51 and the indicator 42 are displayed as shadows and displayed in contrast.

As described above, according to the present embodiment, the instrument body 3 having the drive shaft 2 extending forward is provided on the circuit board 1 and the pointer 4 is mounted on the tip side of the drive shaft 2. 3
An indicator 51 to which the pointer 4 is directed, a first panel area 52 formed by continuously forming a predetermined area including the indicator 51 to be light-transmissive with the (circuit board 1), 1
A front panel 5 composed of a light-shielding second panel area 53 adjacent to the panel area 52 is disposed, and a front side of the circuit board 1 located closer to the drive shaft 2 than the first panel area 52 is disposed. The light source 6 is arranged so that the light emitting surface 6a is oriented in the axial direction of the drive shaft 2. Between the front panel 5 and the light source 6 (circuit board 1), the light source 6 faces the light emitting surface 6a of the light source 6 and transmits the illumination light to the outer periphery. A reflector having a first reflecting portion 75 that reflects light toward the front panel 5 and a second reflecting portion 77 that extends outward with an air space (appropriate space) S therebetween and reflects illumination light toward the front panel 5 side 7
Is provided, the illumination light emitted from the light source 6 is
The illumination light reflected to the outer periphery by the first reflector 75 and reflected to the outer periphery by the first reflector is further reflected to the front panel 5 side by the second reflector 77, and is reflected to the first panel region 52. Therefore, the first panel region 52 can be made to emit light in a substantially uniform manner with a simple configuration without arranging a planar light source behind the front panel 5, thereby achieving cost reduction.

In this embodiment, the pointer 4 is a non-luminous pointer extending into the first panel area 52, and the non-luminous pointer can be visually recognized as a shadow on the first panel area 52. Various components and structures related to the light source and the pointer illumination are not required, thereby further reducing the cost.

Further, in this embodiment, a through hole 54 for connecting the drive shaft 2 and the pointer 4 is provided in the front panel 5, and a portion of the front panel 5 extending from the periphery of the through hole 54 to the first panel region 52. Is set as the second panel area 53 and the light source 6 is arranged in the second panel area 63, so that an unnecessary area where the light source 6 is arranged can be made invisible.

Further, in this embodiment, since the index portion 51 is formed to be light-shielding, a high contrast display can be performed by using the index portion 51 as a shadow in a background that emits light, and the visibility can be improved.

In this embodiment, the instrument body 4 is connected to the drive shaft 2.
Are arranged behind the circuit board 1 so as to penetrate the circuit board 1 so that the drive shaft 2 on the front side of the circuit board 1
The surrounding space can be ensured, whereby the first panel region 52 can be expanded in the drive axis direction,
This is advantageous for expanding the light emitting surface.

In this embodiment, the first reflecting portion 75 is formed as a conical surface surrounding the drive shaft as an inclined surface inclined at a predetermined angle with respect to the front panel 5, so that the light from the light source 6 is directed in the outer peripheral direction. It can reflect in a well-balanced manner.

Further, in this embodiment, since a plurality of light sources 6 are arranged on a concentric circle centered on the drive shaft 2, bright and balanced illumination can be performed.

Further, in the present embodiment, the second reflecting portion 77 is formed as a sloped surface gradually approaching to the front panel 5 toward the outside, which is advantageous for uniformity of illumination, and particularly the sloped surface. Is formed such that the inclination angle with respect to the front panel 5 gradually increases toward the outside, so that the front panel 5 can be uniformly illuminated. The second reflector 77 is not limited to the inclined curved surface, but may be an inclined plane, a combination of a plurality of inclined planes having different inclination angles with respect to the front panel 5, or a combination of the inclined plane and the inclined curved surface. .

In this embodiment, since the reflector 7 is formed of a white synthetic resin material, it is suitable for weight reduction and cost reduction. At this time, if the wall surface of the reflector 7 is a glossy surface, the illumination efficiency can be increased.

FIG. 6 shows a modification of the arrangement of the meter body as a second embodiment of the present invention.

That is, in the first embodiment, the instrument main body 3 is provided behind the circuit board 1 and the drive shaft 2 penetrates the circuit board 1. However, in the present embodiment, the instrument main body 3 is connected to the circuit board 1. It is arranged on the front side of the substrate 1, and the same effect as in the first embodiment can be expected in illumination by this configuration.

FIG. 7 is a sectional view showing a third embodiment of the present invention. In this embodiment, a modification of the light source and the reflector is shown.

That is, in the first and second embodiments,
Although a chip type light emitting diode is used as the light source 6 and its light emitting surface 6a is arranged in the axial direction of the drive shaft 2, in the present embodiment, the light source 6 is
Using a lamp-type light emitting diode comprising
b is arranged facing the side opposite to the position of the drive shaft 2.
In addition, the reflector 7 eliminates the first reflector 75 employed in the first and second embodiments, and extends outward from the front panel 5 with an air layer (space) S provided therebetween. Only the single reflecting portion 78 for reflecting the illumination light from the front panel 5 side is provided, and the same effects as in the above embodiments can be expected with this configuration.

[0060]

As described above in detail, the present invention relates to an instrument main body having a drive shaft extending forward, a pointer mounted on the distal end side of the drive shaft, an indicator to be indicated by the pointer, and an indicator. A front panel having a first panel region formed by forming a continuous predetermined region including the index portion to be light-transmissive, and a light-shielding second panel region adjacent to the first panel region;
A light source disposed behind the front panel and closer to the drive shaft than the first panel region so that a light emitting surface faces an axial direction of the drive shaft; and a light source disposed behind the front panel and A first reflector that opposes and reflects the illumination light from the light source to the outer periphery, and a second reflector that extends outwardly with an appropriate space therebetween and reflects the illumination light to the front panel side By providing a reflector having the following characteristics, it is possible to provide a meter device that can achieve cost reduction when the front panel emits surface light.

According to another aspect of the present invention, there is provided an instrument body having a drive shaft extending forward, a pointer mounted on a tip end side of the drive shaft, an indicator to be indicated by the indicator, and an indicator. And a front panel having a first panel area formed by forming a continuous predetermined area to be light-transmissive, and a light-shielding second panel area adjacent to the first panel area; A light source disposed behind the first panel area on the drive shaft side relative to the first panel area so that a light emitting surface faces an opposite side to a position of the drive shaft; and a light source disposed behind the front panel and the front surface. The panel is provided with a reflector having a reflecting portion that extends outwardly with a suitable space and reflects the illumination light from the light source toward the front panel side. What can be achieved It is possible to provide a motor device.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a meter device according to a first embodiment of the present invention.

FIG. 2 is a plan view of a main part showing an assembled state of FIG. 1;

FIG. 3 is a perspective view of a main part of a reflector.

FIG. 4 is a sectional view taken along the line AA of FIG. 2;

FIG. 5 is a sectional view taken along the line BB of FIG. 2;

FIG. 6 is a sectional view showing a second embodiment of the present invention.

FIG. 7 is a sectional view showing a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Circuit board 2 Drive shaft 3 Instrument main body 4 Pointer 5 Front panel 6 Light source 6a, 6b Light emitting surface 7 Reflector 51 Indicator part 52 First panel area 53 Second panel area first light source 54 Through hole 71 Peripheral wall part 72 Extension 73 Opening 74 Wall 75 First reflector 76 Opener 77 Second reflector 78 Reflector

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2F074 AA02 AA04 BB06 DD03 EE03 FF10 3D044 BA03 BA21 BA22 BC13 BD01

Claims (14)

[Claims] 1. An instrument main body having a drive shaft extending forward, a pointer attached to a tip side of the drive shaft, an indicator to be indicated by the indicator, and a predetermined area including the indicator, which is continuous. A first panel region formed to be transparent and the first panel region;
A front panel having a light-shielding second panel area adjacent to the first panel area; and the first panel behind the front panel.
A light source arranged such that a light-emitting surface faces the axial direction of the drive shaft on the drive shaft side of the panel region; and an illumination light from the light source arranged behind the front panel and opposed to the light source. A first reflector that reflects the light to the outer periphery and a reflector that has a second reflector that extends outwardly with an appropriate space, and reflects the illumination light toward the front panel. A meter device characterized by the above-mentioned. 2. An instrument main body having a drive shaft extending forward, a pointer attached to a tip end of the drive shaft, an indicator to be indicated by the indicator, and a predetermined area including the indicator, which is continuous. A first panel region formed to be transparent and the first panel region;
A front panel having a light-shielding second panel area adjacent to the first panel area; and the first panel behind the front panel.
A light source arranged such that a light-emitting surface faces the opposite side to the position of the drive shaft on the drive shaft side with respect to the panel area, and a light source arranged behind the front panel, and the front panel is appropriately spaced from the front panel. And a reflector having a reflector that extends outward with a gap and reflects illumination light from the light source toward the front panel. 3. The meter device according to claim 1, wherein the pointer comprises a non-luminous pointer extending into the first panel area. 4. The front panel has a through hole for connecting the drive shaft and the pointer, the second panel area portion extends from the periphery of the through hole to the first panel area, 3. The meter device according to claim 1, wherein the light source is disposed in the second panel area. 5. The meter device according to claim 1, wherein the indicator has a light shielding property. 6. The circuit board is arranged behind the reflector, and the instrument main body is arranged behind the circuit board such that the drive shaft passes through the circuit board. Or the meter device according to claim 2. 7. The reflector has a wall portion extending between the drive shaft and the light source and extending forward, and the first reflection portion is formed on the wall portion. Claim 1
The meter device as described. 8. The meter device according to claim 1, wherein a plurality of the light sources are arranged on a concentric circle centered on the drive shaft. 9. The meter device according to claim 1, wherein the first reflecting portion is formed of an inclined surface or an inclined curved surface inclined at a predetermined angle with respect to the front panel. 10. The meter device according to claim 9, wherein the inclined surface or the inclined curved surface is formed in a conical surface surrounding the drive shaft. 11. The meter device according to claim 1, wherein the second reflecting portion or the reflecting portion has an inclined surface or an inclined curved surface that is closer to the front panel as going outward. 12. The slanted surface or the slanted curved surface is formed such that the slant angle with respect to the front panel becomes gradually larger toward the outside.
The meter device as described. 13. The meter device according to claim 1, wherein the reflector is made of a white synthetic resin material. 14. The meter device according to claim 1, wherein a wall surface of the reflector is a glossy surface.