JP4843237B2 - Meter device and antireflection method for meter device - Google Patents

Description

  The present invention relates to a meter device mounted on a vehicle or the like, and more particularly to a meter device having a ring member provided around a scale plate and a method for preventing reflection of the meter device.

  Meter devices such as speedometers and engine tachometers are used in vehicles such as automobiles. This meter device has various designs (designs). For example, a meter in which a substantially flange-shaped ring member is arranged on the outer peripheral portion of the scale plate, and the ring member projects from the design surface side of the scale plate. There is a device (see, for example, Patent Document 1).

  Furthermore, a meter device provided with this type of ring member generally has a structure as shown in FIG. That is, the flange B2 is provided around the base end of the outer peripheral surface of the substantially flange-shaped ring member B1, the flange B2 is sandwiched between the case B3 and the facing plate B4, and the ring member B1 protrudes on the design surface side of the scale plate B5. I try to set it up.

  In consideration of assembling property, productivity, and the like, the opening B6 for inserting the ring member B1 provided in the facing plate B4 is slightly larger than the outer diameter of the ring member B1 (the portion excluding the flange). Therefore, in the meter device after assembly, a gap is formed between the edge portion of the facing plate B4 and the outer peripheral surface of the substantially flange-shaped ring member B1.

Japanese Patent Laying-Open No. 2003-315111 (second page, FIG. 2)

  Thus, in this type of conventional meter device, a gap is formed between the edge portion of the facing plate B4 and the outer peripheral surface of the substantially flange-shaped ring member B1, but depending on the size of the gap, The following points should be improved.

  That is, since the corner portion where the flange and the outer peripheral surface end intersect is formed at a right angle, when the ring member is viewed from the viewing side, the external light L applied to the gap hits the flange and returns as reflected light as it is. End up. As a result, the appearance as a product may be impaired.

  In particular, this ring member is often subjected to a metallic treatment on the resin member in order to produce a metallic feeling, so that the reflectivity is high, and the above-described problems are promoted.

  Therefore, an object of the present invention is to provide a meter device and an antireflection method for the meter device that are attractive as a product while taking assembly property, productivity, and the like into consideration.

In order to solve the above problems, the meter device and the antireflection method for the meter device according to the present invention employ the following technical means.
That is, in the meter device according to the first aspect, the ring member having the flange provided on the outer peripheral surface end portion is disposed on the outer periphery of the scale plate, and the scale plate is sandwiched between the case and the facing plate. A meter device in which the ring member is provided on a design surface side, wherein the ring member is formed in a metallic tone by vapor-depositing a metal on a synthetic resin member, and a corner portion where the ridge and the outer peripheral surface intersect Is formed in the shape of an inclined surface, and the external light applied to the gap between the edge portion of the facing plate and the outer peripheral surface of the ring member is reflected toward the plate thickness surface direction of the facing plate at the corner portion. characterized in that it.
According to a second aspect of the present invention, the meter device according to the first aspect is characterized in that the flip plate has a notched edge on the heel side.
According to a third aspect of the present invention, the meter device according to the first or second aspect is characterized in that the platen surface of the facing plate facing the ring member is dark.
According to a fourth aspect of the present invention, there is provided an antireflection method for a meter device in which a ring member, which is formed in a metallic tone by depositing metal on a synthetic resin member and has a flange on an outer peripheral surface end portion, is disposed on the outer peripheral portion of the scale plate. The anti-reflection method of the meter device, wherein the ring member is provided on the design surface side of the scale plate, the corner portion where the flange and the outer peripheral surface intersect with each other. It is formed in an inclined surface shape, and external light applied to the gap between the edge portion of the facing plate and the outer peripheral surface of the ring member is reflected toward the plate thickness surface direction of the facing plate at the corner portion. , characterized in that to reduce the reflected light to the front side from the corner portion.
According to a fifth aspect of the present invention, there is provided a method for preventing reflection of a meter device according to the fourth aspect of the present invention, wherein the facing plate with the edge on the heel side cut out is used.

  According to the first or fourth aspect, the corner portion where the flange and the outer peripheral surface end intersect with each other is formed into an inclined surface, so that a gap is formed between the edge portion of the facing plate and the outer peripheral surface of the ring member. However, the reflection of the external light (irradiation light) irradiated to the eaves through the gap does not go to the front side (viewing side), but reflects toward the plate thickness surface direction of the facing plate, and the front side ( Since the reflected light to the viewing side is reduced, it is possible to provide a meter device or a reflection preventing method for the meter device that looks good as a product.

  According to the second or fifth aspect, the edge portion of the contact surface with the flange of the facing plate is notched, so that the inclined corner portion interferes with the edge portion of the contact surface with the flange of the facing plate. Therefore, it is possible to maintain the size of the opening portion of the conventional facing plate and the outer diameter of the ring member (the portion excluding the flange) in consideration of assembling property, productivity, and the like.

  According to claim 3, by making the plate thickness surface of the facing plate facing the ring member dark, the reflected light of the external light irradiated toward the plate thickness surface direction of the facing plate is absorbed, and the ring member The outer peripheral gap becomes a dark parting, and a very suitable meter device or an antireflection method for the meter device can be provided. If the entire facing plate is made the same color as the plate thickness surface, even if external light (irradiation light) is irradiated to the eyelids through the gap, the gap and the entire facing plate become an integral color and is an extremely suitable meter device. Can be provided.

Next, an embodiment of the meter device A according to the present invention will be described.
As shown in FIG. 1, the meter device A according to the present embodiment includes a speedometer a1, an engine tachometer a2, a fuel gauge a3, a water temperature gauge a4, a gear position display part a5, a direction indicator display part a6, and the like. FIG. 2 illustrates an automotive combination meter having a substantially trapezoidal shape when viewed from the front. As shown in FIG. 2, a case 1, a substrate 2 to which an internal unit 3 is attached, a scale plate 4, a ring member 5, The facing plate 6, the pointer 7 and the front glass 8 are the main components.

The case 1 includes a lower case 11 and an upper case 12.
The lower case 11 has a locking portion 11a that is formed in a key-bend shape and is erected so that the leading portion faces the bottom surface near the side wall, and the bottom surface near the inside of the locking portion 11a. And a stepped boss 11b in which a step is formed at a required position, and is formed in a substantially U shape in a longitudinal section.

  The upper case 12 is formed in a substantially U-shape in a longitudinal sectional view in which a bowl-shaped attachment portion 12a having an open bottom surface is formed on the back surface of the upper surface and a vehicle attachment piece 12b is projected. 11, the outside of the side wall of the upper case 12 is fitted inside the side wall of the upper case 12, and the upper case 12 is fitted to the lower case 11. Further, a stepped locked portion 12 c is formed at the outer edge of the upper surface of the upper case 12.

  The bowl-shaped attachment portion 12a is formed in a step shape from the upper surface and is formed in a step shape inside the first step portion 12d that is in contact with an end portion of a ring member 5 described later, and the first step portion 12d. A second step portion 12e that is in contact with an end portion of the scale plate 4 to be described later, and a holding portion 12f that is provided so as to be concavely curved from the inside of the second step portion 12e and pressed against the surface of the substrate 2 to be described later. Consists of.

  The substrate 2 is wired with a required circuit for realizing the function as a combination meter for automobiles, and an internal unit 3 having a well-known structure is attached to the surface side of the substrate 2 at a required position on the back surface of the substrate 2. Further, the rotating shaft 31 projecting from the inner unit 3 projects so as to penetrate a scale plate 4 described later, and operates a pointer 7 described later.

  Further, an illumination light source 21 composed of LEDs for irradiating a scale plate 4 described later from the back surface is provided on the surface of the substrate 2 opposite to the inner unit 3 with the substrate 2 interposed therebetween.

  The substrate 2 thus configured is inserted and fitted so that the end of the back surface side of the substrate 2 is hooked on the step of the stepped boss 11b protruding from the lower case 11, and at the same time, the lower case 11 The edge portion on the surface side of the substrate 2 is hooked on the front portion of the locking portion 11 a protruding from the base plate 11 and supported by the lower case 11. At the same time, the holding part 12f suspended so as to be concavely curved from the inside of the second step part 12e of the upper case 12 is pressed to urge the substrate 2 toward the stepped boss 11b side, The substrate 2 is firmly housed in the case without rattling.

  The scale plate 4 is formed in a disk shape in which numerals and symbols for indicating speed display, engine speed display, and the like are applied to the surface (design surface) with a required design. The scale plate 4 is formed so that the thickness thereof is the same as or slightly thicker than the step of the second step portion 12e, and is fitted to the second step portion 12e.

In the ring member 5, a flange 5b having a required thickness that is the same as or slightly thicker than the step of the first step portion 12d is provided at the base end of the outer periphery of the ring-shaped convex portion 5a formed in a substantially C shape in cross section. Are formed in a substantially flange shape, and a corner portion 5c where the flange 5b and the ring-shaped convex portion 5a intersect is formed in an inclined surface shape.
The inclined surface-shaped corner portion 5c is formed at an inclination angle of about 45 degrees with a length substantially the same as the length of a plate thickness surface 6c of the facing plate 6 described later.

In the ring member 5 formed in this way, the flange 5b is fitted to the step of the first step portion 12d so as to sandwich the end portion of the scale plate 4, and at the same time, the ring member 5 facing the flange 5b is opened. The end portion 5 d is in contact with the vicinity of the end portion of the scale plate 4.
The ring member 5 is configured in a metallic tone having a high-class feeling by depositing metal on a synthetic resin member.

  The facing plate 6 is a black with an opening 6a provided at a required position so as to cover other than the speedometer a1, the engine tachometer a2, the fuel gauge a3, the water temperature gauge a4, the gear position display part a5, and the direction indicator display part a6. This is a plate-like member and is attached to the upper surface of the upper case 12.

  The facing plate 6 has a base portion (outer peripheral portion) of the facing plate 6 sandwiched between a later-described surface glass 8 and an upper case 12, and at the same time, a tip portion is fitted to the step of the first step portion 12d. The ring 5b is pressed and clamped to support the ring member 5 so as to project from the design surface side of the scale plate 4.

  The facing plate 6 has an edge portion 6b of a contact surface with the flange 5b cut out in a substantially step shape so as not to interfere with a corner portion 5c of the ring member 5 formed in an inclined surface shape. That is, by notching the edge 6b, it is possible to maintain the size of the opening portion of the conventional facing plate and the outer diameter of the ring member (the portion excluding the flange) in consideration of assembling property, productivity, and the like. (See FIG. 3). In addition, the plate | board thickness surface 6c including the edge part 6b notched by this substantially step shape is also black.

  The pointer 7 is attached to the tip of the rotating shaft 31 of the inner unit 3 protruding so as to penetrate the scale plate 4, and interlocks with the rotating shaft 31 driven by the inner unit 3. ing.

  The front glass 8 is formed in a substantially trapezoidal shape when viewed from the front so as to cover the upper case 12, and is formed in a substantially U shape in which the viewing side is formed in a concave curve, and further, a step-shaped locking portion 8a. Is provided inside the open end.

  The front glass 8 formed in this way is attached to the upper case 12 with the engaging portion 8a fitted to the stepped engaged portion 12c formed on the outer edge of the upper case 12 at the same time. As described above, the base portion (outer peripheral portion) of the facing plate 6 is brought into pressure contact with the locking portion 8 a so that the facing plate 6 is sandwiched between the upper case 12 and the front glass 8.

  As described above, the meter device A according to the present embodiment has the flange 5b around the base end of the outer peripheral surface of the ring-shaped convex portion 5a, and the corner portion 5c where the peripheral surface of the flange-shaped convex portion 5a intersects. An approximately flange-shaped ring member 5 formed in an inclined surface is disposed on the outer peripheral portion of the scale plate 4, and a turn plate 6 and an upper case 12 in which an edge 6 b of a contact surface with the flange 5 b is notched in a step shape. Then, the ring member 5 is sandwiched and the ring member 5 is projected from the design surface side of the scale plate 4.

Next, the operation of the meter device A according to the present embodiment configured as described above will be described with reference to FIG.
When the external light L is applied to the meter device A, the external light L is also applied to the gap formed between the edge 6b of the facing plate 6 and the outer peripheral surface of the ring member 5.

  The external light L irradiated toward the gap is refracted and reflected in the direction of the plate thickness surface 6c of the facing plate 6 without going to the viewing side. The reflected light is absorbed by the black plate thickness surface 6c, and the gap and the entire turn-back plate 6 have the same color.

  Therefore, the reflected light from the gap that impairs the aesthetic appearance is absorbed without going toward the viewing side, and the meter device A that looks good as a product can be provided.

  As mentioned above, although the meter apparatus concerning this Embodiment was demonstrated, embodiment mentioned above shows an example of suitable embodiment of this invention, and this invention is not limited to it, The Various modifications can be made without departing from the scope of the invention.

  For example, in the meter device A according to the present embodiment, the inclined corner portion 5c formed in the ring member 5 is formed with a length substantially the same as the length of the plate thickness surface 6c of the facing plate 6. You may form long so that it may protrude from the facing plate 6 surface. Further, the inclination angle is not particularly limited as long as the reflected light can be refracted in the direction of the plate thickness surface 6c of the reflecting plate 6.

  Further, in the present embodiment, the edge 6b of the facing plate 6 is cut out in a substantially step shape, but may be cut out in a slope shape.

Moreover, although this Embodiment illustrated meter apparatus A, it is not limited to this, The corner part 5c where the collar 5b and the outer peripheral surface of the ring-shaped convex part 5a cross is formed in inclined surface shape, The reflection preventing method of the meter device A that refracts the light irradiated to 5b may be used. Even in this case, it is very preferable to use the facing plate 6 in which the edge portion 6b of the contact surface with the flange 5b is cut out and to make the plate thickness surface 6c of the facing plate 6 facing the ring member 5 black. .
Further, in the present embodiment, the facing plate 6 and the plate thickness surface 6c are black, but may be a low-lightness color having a hue.

It is a front view of the meter apparatus concerning this Embodiment. FIG. 2 is an enlarged longitudinal sectional view taken along line XX in FIG. 1. It is the C section enlarged view in FIG. It is a longitudinal cross-sectional view of the conventional meter apparatus.

Explanation of symbols

A Meter device 1 Case 12 Upper case 12d First step portion 12e Second step portion 5 Ring member 5a Ring-shaped convex portion 5b 鍔 5c Corner portion 6 Turn-around plate 6a Opening portion 6b Edge portion 6c Plate thickness surface 8 Surface glass L External light

Claims (5)

A ring member provided with a ridge at the outer peripheral surface end is disposed on the outer peripheral portion of the scale plate,
A meter device in which the ring member is provided on the design surface side of the scale plate by sandwiching the flange with a case and a facing plate,
The ring member is formed in a metallic tone by depositing metal on a synthetic resin member,
A corner portion where the ridge and the outer peripheral surface intersect is formed in an inclined surface shape ,
A meter device characterized in that external light applied to a gap between an edge portion of the facing plate and an outer peripheral surface of the ring member is reflected toward the plate thickness surface direction of the facing plate at the corner portion .   The meter device according to claim 1, wherein the facing plate has a cut-out edge on the heel side.   The meter device according to claim 1, wherein a plate thickness surface of the facing plate facing the ring member is dark. A ring member, which is formed in a metallic tone by depositing metal on a synthetic resin member and is provided with a ridge at the outer peripheral surface end, is disposed on the outer peripheral portion of the scale plate, and the ridge is sandwiched between the case and the facing plate. The antireflection method of the meter device provided with the ring member on the design surface side of the scale plate,
A corner portion where the flange and the outer peripheral surface intersect with each other is formed into an inclined surface, and external light applied to the gap between the edge portion of the facing plate and the outer peripheral surface of the ring member is An antireflection method for a meter device, characterized in that the reflected light is reflected toward the thickness surface direction of the facing plate and the reflected light from the corner portion to the front side is reduced.   The antireflection method for a meter device according to claim 4, wherein the facing plate with the notched edge on the heel side is used.

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