JP5263512B2 - Instrument device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a meter apparatus for suppressing a reflection of a light irradiated to a decoration member, and thereby inhibiting degradation of the visibility or the merchantability without adding a new component. <P>SOLUTION: A light reflecting ring decoration member 13 is disposed on the front side of an indicator panel 6 so as to encircle an operational area of an indicator 4, and comprises: a view side front section 13a provided on the front side viewed by a viewer; an inner raised wall 13b located on the side of an indication section 5 applied to the indicator panel 6; an outer raised wall 13c opposite to the indication section 5; and a placement plane 13d installed on the indicator panel 6. In the meter apparatus, an angle between the placement plane 13d and the inner raised wall 13b is set at an obtuse angle. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to an instrument device that accommodates instruments mounted on, for example, an automobile, and more particularly to an instrument device in which a decorative member is disposed around a display area on a display board of the instrument device.

  Conventionally, as instrument devices installed in automobiles, motorcycles, etc., for example, instruments composed of instrument bodies such as speedometers, tachometers, thermometers and alarm devices for notifying the driver of the status of various devices are made of synthetic resin. It is stored in the instrument case. In this case, on the front side of the instrument body, a display board is provided with an indicator on the front open side of the instrument case that houses instruments, alarm devices, etc. It can be read in contrast with the indicator part of the display board. In the instrument device configured as described above, a decorative member having a gloss substantially along the peripheral edge of the indicator portion is provided so as to enhance the decorative property or emphasize the indicator portion on the display board in order to improve the appearance. It is arranged. (See Patent Document 1 etc.)

In this case, in order to give the display member a three-dimensional effect on the decorative member, for example, a surface treatment having a metallic luster is applied to the surface of the decorative member molded with a synthetic resin, or from a metal material. The surface of the decorative member is made to have a mirror finish, or the surface of the decorative member is subjected to metal plating, for example, chrome plating.
JP 2001-343259 A

  By the way, although the decoration effect can be obtained by arranging the decorative member on the display board, for example, in the case of the configuration of the light emitting pointer, the light emitted from the tip of the pointer indicating portion is again applied to the display board. There is a problem in that light or the like when the indicator part is transmitted illuminates hits the side surface on the inner peripheral surface side of the decorative member, and the inner peripheral surface side surface of the decorative member appears to emit light partially due to the reflection There is a problem that the merchantability of the instrument device is lowered.

  In this regard, in Patent Document 1, a light-emitting pointer indicating unit is maintained in a state in which decorativeness is maintained by disposing a light-shielding member between the decorative member and the display area including the indicator on the display board. The effect is that the light emitted from the light and the transmitted illumination light leaking from the indicator on the display board are suppressed by the light shielding member made of synthetic resin such as black, thereby preventing glare due to reflection. There is.

  However, in Patent Document 1, it is necessary to add a light shielding member, which is a dedicated component for suppressing reflection of light, in addition to the decorative member, and there remains a problem that the component cost tends to increase.

  Therefore, in order to address the above-described problems, the present invention provides an instrument device that can suppress the deterioration of visibility or merchantability by suppressing the reflection of light applied to the decorative member without newly adding parts. The purpose is to provide.

  In order to achieve the above object, the present invention employs the following technical means.

In order to solve the above-described problems, the present invention provides a meter device according to claim 1, a circuit board assembled to a case, a meter body assembled to the circuit board or the case, and a drive provided in the meter body. A pointer mounted on the tip side of the shaft, a display plate having an indicator portion indicated by the pointer, and a light-reflective ring disposed on the front side of the display plate so as to surround the operating area of the pointer Measuring instrument, and a light source mounted on the circuit board for illuminating and lighting the pointer, the decorative member is provided on the front side of the viewing side provided on the front side viewed from the viewer Part, an inner rising wall part located on the indicator part side, an outer rising wall part facing the side opposite to the indicator part side, and a mounting surface part installed on the display board, Rising wall portion is an angle between the inner rising wall portion and the placing surface portion is set to an obtuse angle, on the back side of the display panel from hole provided by arranging a predetermined distance on the display panel A light guide member having a convex scale portion protruding onto the display board is disposed, and the convex scale portion is disposed in proximity to the inner rising wall portion .

According to the above-described configuration, even if a part of the leaked light from the light emitting pointer illuminated by the light beam emitted from the light source hits the inner rising wall portion located on the indicator portion side of the decorative member, the inner rising portion By setting an obtuse angle between the wall surface and the inner rising wall portion of the decorative member, the reflected light does not directly enter the viewer's line-of-sight direction. The problem can be solved in advance. At this time, most of the light rays reflected by the inner rising wall portion are guided while being reflected toward the display plate without proceeding in the direction of the line of sight, so that it is prevented from being partially brightened and visually recognized. Can do. Further, depending on the arrangement positions of the decorative member arranged on the display board, the convex scale part arranged close to the decorative member, and the indicator part provided on the display board surface, the three-dimensional structure formed by the convex scale part and the decorative member is used. The sense of depth and the sense of depth by the indicator portion on the display board overlap with each other, so that the visibility can be improved, and the stereoscopic effect can be enhanced.

Further, in the instrument device according to claim 2, a circuit board assembled to the case, an instrument body assembled to the circuit board or the case, and a pointer attached to a distal end side of a drive shaft provided in the instrument body A ring-shaped decorative member having light reflectivity made of a metallic luster and disposed on the front side of the display plate so as to surround the operating area of the pointer. And a light source that is mounted on the circuit board and illuminates and transmits the indicator portion from the back side of the display board, wherein the decorative member is provided on the front side when viewed from the viewer A viewing-side front surface portion, an inner rising wall portion positioned on the indicator portion side, an outer rising wall portion facing the opposite side to the indicator portion side, and a placement surface portion installed on the display plate Ri, the inner rising wall portion is characterized in that the angle between the inner rising wall portion and the mounting surface portion is set at an obtuse angle.

According to the above-described configuration, a part of the light leaked from the indicator portion that is transmitted and illuminated from the back side of the display plate by the light beam from the light source hits the inner rising wall portion located on the indicator portion side of the decorative member. However, by setting the angle formed by the inner rising wall portion of the decorative member mounting surface portion and the inner rising wall portion to be an obtuse angle, the reflected light does not directly enter the viewer's line of sight, so that the spot-like The conventional problem of becoming brighter can be solved in advance. At this time, most of the light rays reflected by the inner rising wall portion are guided while being reflected toward the display plate without proceeding in the direction of the line of sight, so that it is prevented from being partially brightened and visually recognized. Can do. Further, depending on the arrangement positions of the decorative member arranged on the display board, the convex scale part arranged close to the decorative member, and the indicator part provided on the display board surface, the three-dimensional structure formed by the convex scale part and the decorative member is used. The sense of depth and the sense of depth by the indicator portion on the display board overlap with each other, so that the visibility can be improved, and the stereoscopic effect can be enhanced.

Further, in the instrument device according to claim 3, a circuit board assembled to the case, an instrument body assembled to the circuit board or the case, and a pointer attached to a distal end side of a drive shaft provided in the instrument body A ring-shaped decorative member having light reflectivity made of a metallic luster and disposed on the front side of the display plate so as to surround the operating area of the pointer. And a light source that transmits and illuminates the indicator portion of the display board and a light source that emits and illuminates the pointer, and the decorative member is viewed from the front by a viewer. A visual front surface provided on the front side, an inner rising wall located on the indicator side, an outer rising wall facing away from the indicator side, and the display plate. Consists of a mounting surface portion being, the inner rising wall portion is characterized in that the angle between the the placement surface portion inner rising wall portion is set at an obtuse angle.

According to the above configuration, even if a part of the leaked light from the light emitting pointer illuminated by the light beam emitted from the light source hits the inner rising wall portion located on the indicator portion side of the decorative member, the light source also Even if a part of the light leaking from the indicator portion transmitted and illuminated from the back side of the display board by the irradiation light hits the inner rising wall portion located on the indicator portion side of the decorative member, the inner rising wall portion is By setting the angle formed by the mounting surface portion of the decorative member and the inner rising wall portion to be an obtuse angle, the reflected light does not enter directly in the viewer's line of sight, so the conventional problem of brightening in a spot manner is eliminated. It can be solved in advance. At this time, most of the light rays reflected by the inner rising wall portion are guided while being reflected toward the display board without proceeding in the direction of the line of sight, so that it is prevented from being partially brightened and visually recognized. It is something that can be done. Further, depending on the arrangement positions of the decorative member arranged on the display board, the convex scale part arranged close to the decorative member, and the indicator part provided on the display board surface, the three-dimensional structure formed by the convex scale part and the decorative member is used. The sense of depth and the sense of depth by the indicator portion on the display board overlap with each other, so that the visibility can be improved, and the stereoscopic effect can be enhanced.

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According to a fourth aspect of the present invention, in the instrument device according to any one of the first to third aspects, a slit is formed by cutting from an end surface side of the inner rising wall portion, and at least a part of the convex scale portion is formed in the slit. It is characterized by being inserted and arranged.

  According to the above-described configuration, since the convex scale portion is arranged in a part of the viewing-side front surface portion of the decorative member, the appearance can be enhanced in addition to the three-dimensional effect of the convex scale portion and the decorative member.

Moreover, in Claim 5 , in the instrument device according to any one of Claims 1 to 4 , the display plate has a recessed central portion of the plate surface of the display plate, which is a region in which the pointer indicates rotation, A stepped shape formed such that the outer peripheral portion of the plate surface of the display plate protrudes toward the viewer side, and the central portion and the outer peripheral portion are connected by a substantially vertical standing wall portion. The display plate is characterized in that the decorative member is disposed adjacent to the standing wall portion.

  According to the above-described configuration, the combination of the decorative member and the stepped display board results in a position where the center part of the plate surface of the display board is recessed, and the outer peripheral part of the plate surface of the display board is on the front side, that is, the viewer side. Since it is arranged, a sense of depth is further promoted.

In the present invention, a ring-shaped decorative member having light reflectivity is disposed on the front side of the display board so as to surround the operating area of the pointer, and the decorative member is provided on the front side viewed from the viewer. The viewing-side front part, the inner rising wall part located on the indicator part side provided on the display board, the outer rising wall part facing the side opposite to the indicator part side, and the mounting surface part installed on the display board The inner rising wall portion is set to an obtuse angle between the mounting surface portion and the inner rising wall portion, and a through-hole provided at a predetermined interval on the display plate on the back side of the display plate Since the light guide member provided with the convex scale portion protruding from the display plate to the display board is disposed, and the convex scale portion is disposed close to the inner rising wall portion, From a light emitting pointer illuminated by a light beam Even if a part of the reflected light hits the inner rising wall portion located on the indicator portion side of the decorative member, the light leaked from the indicator portion transmitted and illuminated from the rear side of the display board by the irradiation light from the light source Even if a part hits the inner rising wall portion located on the indicator portion side of the decorative member, the inner rising wall portion sets the angle formed by the mounting surface portion of the decorative member and the inner rising wall portion to an obtuse angle Since the reflected light does not directly enter the viewing direction of the viewer, it is possible to solve the conventional problem that the spot becomes bright. At this time, most of the light rays reflected by the inner rising wall portion are guided while being reflected toward the display plate without proceeding in the line-of-sight direction. And a convex scale portion and a decorative scale portion arranged on the display board, a convex scale portion arranged close to the decorative member, and an indicator position provided on the display board surface. The three-dimensional effect by the decorative member and the sense of depth by the indicator part on the display board are overlapped, so that the visibility can be improved and the three-dimensional effect can be enhanced. Can be achieved.

  As an instrument device to be an object of the present invention, an embodiment applied to an indicating instrument for a vehicle will be described.

  A first embodiment of the present invention is shown in FIGS. This type of instrument device includes an indicator instrument consisting of a speedometer in the center, an indicator instrument consisting of a tachometer on the right side, an indicator instrument consisting of a fuel gauge and a thermometer on the left side, and a mileage indicator comprising a liquid crystal display element, etc. Further, a detection indicator for displaying the status of the vehicle, a gear position indicator, various vehicles, and the like are arranged, and each is assembled and fixed to the instrument case 1.

  In this case, as shown in FIG. 2, in the indicating instrument composed of a speedometer located in the center of FIG. 1, the pointer shaft 3 is placed on the distal end side of the pointer shaft 3 provided on the instrument body 2 of the indicating instrument. A pointer 4 that rotates as a shaft core is press-fitted and fixed. In addition, in the indicating instrument comprising a tachometer, as shown in FIG. 3, the pointer shaft 3 is placed on the tip side of the pointer shaft 3 provided on the meter body 2 of the indicating instrument in the same manner as the speedometer. The rotating pointer 4 is press-fitted and fixed.

  As the pointer structure in this embodiment, a light emitting pointer 4 formed of a transparent synthetic resin, for example, an acrylic resin is used, and the illumination light is received from the base side of the pointer and is directed to the indicating portion 4a of the light emitting pointer 4. The indicator 4a is light-guided to emit light, and the light-emitting pointer is covered with a light-shielding pointer cap 4b on the base side so that the received light beam does not leak outside.

  Also, a piece of indicator 5 made of scales 5a, numbers 5b, letters and symbols 5c, etc. is provided behind the pointer 4 of each indicator (speedometer, tachometer, fuel meter, thermometer). A display board 6 made of a substrate is provided. In this embodiment, the indicator portion 5 is formed by a means such as printing a transparent printing layer on the display board 6, and the display plate 6 other than the indicator portion 5 is printed with a non-transparent printing layer on the ground color portion. It is formed by the means.

  A hard circuit board 7 is provided on the back side of the display board 6 and a wiring pattern (not shown) is provided on a glass epoxy base material. A synthetic resin is provided between the circuit board 7 and the display board 6. A light case 1a forming a part of the instrument case 1 made of a product is provided.

  On the circuit board 7, the indicator 5 such as the scales 5a, numbers 5b, letters and symbols 5c provided on the display board 6 facing the light case 1a is transmitted and illuminated, and the liquid crystal display element is transmitted and illuminated. A light source (light emitting diode 9) for performing light emission and a pointer light source (light emitting diode 8) for illuminating the pointer 4 with light are mounted. The instrument body 2 is assembled and fixed behind the circuit board 7, and the pointer shaft 3 of the instrument body 2 is disposed so as to penetrate the circuit board 7 and face the display board 6.

  Further, on the front side of the display board 6, there is provided a turn-back member 10 for concealing the gap between the display board 6 and the instrument case 1, and on the open front side of the turn-back member 10 there is an upper surface such as indicator instruments. Covered by a transparent cover plate 11 made of a synthetic resin material so that dust and the like do not enter from the side, and a lid 12 serving as an undercover covering the circuit board 7 is provided on the back side of the instrument case 1. It has been.

  Further, in the instrument device according to the first embodiment, the decorative member 13 made of a synthetic resin having a ring shape so as to surround the outline of the indicator portion 5 of each indicator instrument provided on the display board 6 is provided for each indicator instrument. Are arranged and fixed on the display board 6 in accordance with the display area. In this case, the surface of the decorative member 13 made of synthetic resin is formed so that, for example, chrome plating is applied to obtain a metallic mirror gloss.

  In addition, the decorative member 13 disposed on the display board 6 is formed in a substantially quadrangular cross section, a viewing-side front surface portion 13 a provided on the front surface side viewed from the front of the observer, and an indicator on the display board 6. The first rising wall portion 13b located on the side of the portion 5, the outer rising wall portion 13c facing the side opposite to the indicator portion 5 side, and the mounting surface portion 13d installed on the display board 5, and this first In the embodiment, the angle formed by the inner rising wall portion 13b and the mounting surface portion 13d and the inner rising wall portion 13b is set to an obtuse angle.

  Further, in this embodiment, a plurality of fixing pins 13e are integrally provided at a predetermined interval from the mounting surface portion 13d which is the back surface side of the decorative member 13. And the fixing pin 13e is inserted in the fixing hole 6a provided in the display board 6, and the decoration member 13 and the display board 6 are fixedly held by thermally welding the lower end side of the fixing pin 13e. . As a fixing means for the decorative member 13, a fixing pin may be press-fitted and fixed to the display plate 6, or may be hooked with an elastic claw, and fixed and held by applying an adhesive. The method may be arbitrary.

  In the instrument device according to the first embodiment having the above-described configuration, the original purpose is achieved by disposing the decorative member 13 made of chrome-plated metal at the outer peripheral edge of the display area provided with the indicator portion 5. A stereoscopic effect can be obtained on the display board 6, the decorativeness of the instrument device can be enhanced, and the appearance can be improved.

  Further, during illumination by the light source, the indicator 4a of the light emission indicator 4 is brightly illuminated by turning on the light source 8, and at this time, a part of the light emitted from the tip side of the indicator 4a is the decorative member 13. Even if it hits and reflects the inner rising wall portion 13b located on the indicator portion 5 side, the angle formed between the mounting surface portion 13d of the decorative member 13 and the inner rising wall portion 13b is set to an obtuse angle. Therefore, since the reflected light does not directly enter the viewing direction of the viewer, it is possible to solve the conventional problem that the spot becomes bright.

  Further, when the light source 9 is turned on, the indicator portion 5 on the display board 6 is transmitted and illuminated directly or via the light case 1a. At this time, even if a part of the transmitted light from the indicator portion 5 hits the inner rising wall portion 13 b located on the indicator portion 5 side of the decorative member 13, the inner rising wall portion 13 b of the decorative member 13 By setting the obtuse angle between the mounting surface portion 13d and the inner rising wall portion 13b, the reflected light does not enter directly in the viewer's line-of-sight direction. Can be solved. At this time, since most of the light rays reflected by the inner rising wall portion 13b are guided toward the display board 6 without being directed toward the line of sight, they are not partially dazzled, so that an easy-to-see instrument device is provided. Can be provided. In addition, since the light ray reflected from the inner rising wall portion 13b is easily absorbed by applying a non-transparent print layer made of a dark shade such as black as the shade of the ground color portion on the display board 6, a further effect can be obtained. It is possible to obtain.

  5 to 8 show a second embodiment of the present invention. The display board 6 in the second embodiment is made of a single substrate, and is the center of the plate surface of the display board 6 which is an area in which each pointer 4 such as a speedometer, a tachometer, a fuel gauge, and a thermometer instructs rotation. A central portion side plane portion 60a having a recessed portion, an outer peripheral side plane portion 60b formed so that the outer peripheral portion of the plate surface of the display plate 6 protrudes toward the viewer side, the central portion side plane portion 60a and the outer peripheral side. The flat portion 60b is formed in a stepped shape so as to be connected by a substantially vertical standing wall portion 60c. The bending of the display plate 6 may be performed using any method such as vacuum forming, press forming, or pressure forming.

  On the surface of the display board 6, on the center side plane portion 60a, there are respective indicators comprising scales 5a, numbers 5b, letters and symbols 5c, etc. that can be transmitted and transmitted in relation to a speedometer, tachometer, fuel meter, thermometer, etc. The part 5 is provided, and the indicator part 5 may be formed by applying only a part of the scale 5a, the number 5b, the character, the symbol 5c, or the like depending on the case.

  In addition, on the front side of the step-shaped display board 6, a decorative member 13 having a ring shape is disposed on the center side plane part 60 a so as to be along the standing wall part 60 c of the display board 6. . In this case, for example, a metallic ink is applied to the surface of the decorative member 13 made of synthetic resin, and the surface of the metallic ink has a metallic surface-like luster by applying a fine hairline pattern concentrically with the ring shape. It is formed so that it can be obtained.

  On the back side of the display plate 6, a light guide member 15 having a convex scale portion 14 protruding from the through-hole 6 b provided at a predetermined interval to the display plate 6 onto the surface of the display plate 6. The convex scale portion 14 is disposed at a position close to the inner rising wall portion 13b. The light guide member 15 is provided so as to receive the irradiation light from the light source 9 and guide the light to the convex scale portion 14.

  The decorative member 13 is configured in almost the same shape as the first embodiment described above, and here, the decorative member 13 disposed on the display board 6 is formed in a substantially quadrangular cross section, A viewing-side front surface portion 13a provided on the front surface side viewed from the front of the observer, an inner rising wall portion 13b positioned on the indicator portion 5 side on the display board 6, and an outer side facing away from the indicator portion 5 side. It consists of a rising wall portion 13c and a placement surface portion 13d installed on the display board 5. In this second embodiment, the height position of the viewing side front face portion 13a is substantially the same as that of the outer peripheral side flat surface portion 60b of the display board 6. The viewing-side front surface portion 13a is formed by an inclined surface that is gently inclined from the same plane region toward the center portion of the display panel 6. Further, in the inner rising wall portion 13b, the angle formed by the mounting surface portion 13d and the inner rising wall portion 13b is set to an obtuse angle in substantially the same manner as in the first embodiment.

  Moreover, the height dimension of the convex scale part 14 in 2nd Example is set to the height lower than the height dimension of the visual side front-surface part 13a located in the center part side plane part 60a side of the display board 6, The surface of the convex scale portion 14 has a mirror finish and is formed on a flat surface.

  Further, in this embodiment, a plurality of fixing pins 13e are integrally provided at a predetermined interval from the mounting surface portion 13d which is the back surface side of the decorative member 13. Then, the fixing pin 13e is inserted into the fixing hole 6a provided in the display board 6 and the fixing hole 15a provided in the light guide member 15, and the lower end side of the fixing pin 13e is thermally welded, thereby decorating the member 13. The display board 6 and the light guide member 15 are fixedly held.

  In the instrument device according to the second embodiment having the above-described configuration, the metallic decorative member 13 is provided by applying metallic ink to the surface of the outer peripheral edge of the display area provided with the indicator portion 5. The display board 6 which is the original aim can have a three-dimensional effect, can enhance the decorativeness of the instrument device, and can improve the appearance, and has a stepped shape with the decorative member 13. In combination with the display board 6, the outer peripheral plane part 60b of the plate surface of the display board 6 protrudes to the front side, that is, the viewer side, at a position where the central part side flat part 60a of the display board 6 is recessed. Therefore, a sense of depth is further promoted.

  Further, since the convex scale portion 14 integrally protruding from the light guide member 15 is disposed adjacent to the ring-shaped decorative member 13 made of a metallic tone, the step of the display board 6 and the change in the height of the decorative member 13 are A sense of depth can be obtained by the change in height with the protruding convex scale portion 14, and an instrument device using a three-dimensional display board 6 can be provided to enhance the decoration and improve the appearance. There are four effects if you can.

  Further, during illumination with the light source, the indicator 4a of the light emission indicator 4 is illuminated brightly by turning on the light source 8, and at this time, in the same manner as in the first embodiment described above, the tip side of the indicator 4a. Even if part of the light emitted from the decorative member 13 strikes and reflects the inner rising wall portion 13b located on the indicator portion 5 side of the decorative member 13, the inner rising wall portion 13b and the mounting surface portion 13d of the decorative member 13 and the inner rising wall portion are reflected. By setting the angle formed with 13b to be an obtuse angle, since the reflected light does not enter directly in the viewer's line of sight, the conventional problem of brightening in a spot can be solved in advance.

  Further, the indicator portion 5 on the display plate 6 is transmitted and illuminated directly by lighting of the light source 9 or through the light case 1 a and the light guide member 15. In the second embodiment, in the same manner as in the first embodiment described above, part of the light from the indicator portion 5 that has been transmitted and illuminated strikes the inner rising wall portion 13b located on the indicator portion 5 side of the decorative member 13. Even if the inner rising wall portion 13b sets an obtuse angle between the mounting surface portion 13d of the decorative member 13 and the inner rising wall portion 13b, reflected light may enter directly in the visual line direction of the viewer. Therefore, it is possible to solve the conventional problems such as bright spots. At this time, since most of the light rays reflected by the inner rising wall portion 13b are guided toward the display board 6 without being directed toward the line of sight, they are not partially dazzled, so that an easy-to-see instrument device is provided. Can be provided. In addition, since the light ray reflected from the inner rising wall portion 13b is easily absorbed by applying a non-transparent print layer made of a dark shade such as black as the shade of the ground color portion on the display board 6, a further effect can be obtained. It is possible to obtain.

  Further, a part of the light beam incident on the light guide member 15 by the light source 9 is guided to the convex scale portion 14 side, and the convex scale portion 14 emits light and is displayed in an illuminated manner. Thereby, it is possible to perform three-dimensional illumination display by a sense of depth in the front-rear direction between the convex scale portion 14 and the indicator portion 5 provided on the surface of the display board 6 and transmitted and illuminated.

  At this time, even when a portion of the light leaking from the convex scale portion 14 hits the inner rising wall portion 13b of the decorative member 13 and is reflected when the convex scale portion 14 is illuminated, this is also directed toward the line of sight. The reflected reflected light can be suppressed.

  9 to 13 show a third embodiment of the present invention. The display board 6 in the third embodiment is formed of a single substrate in the same manner as in the second embodiment described above, and is an area in which each pointer 4 such as a speedometer, a tachometer, a fuel gauge, and a thermometer instructs to rotate. A center side plane part 60a in which the center part of the plate surface of the display board 6 is recessed, and an outer side flat part 60b formed so that the outer periphery part of the plate surface of the display board 6 protrudes toward the viewer side. The central portion side plane portion 60a and the outer peripheral side plane portion 60b are formed in a stepped shape so as to be connected by a substantially vertical standing wall portion 60c.

  On the surface of the display panel 6, a scale 5a, a number 5b, and an index portion 5 with characters and symbols 5c, which can be transmitted and illuminated, related to a speedometer, a tachometer, a fuel meter, a thermometer, etc. In some cases, the indicator portion 5 may be formed by applying only a part of the scale 5a, the number 5b, the character or the symbol 5c.

  In addition, on the front side of the step-shaped display board 6, a decorative member 13 having a ring shape is disposed on the center side plane part 6b adjacent to the standing wall part 60c of the display board 6. In this case, a metallic ink is applied to the surface of the synthetic resin decorative member 13 in the same manner as in the second embodiment, and a fine hairline pattern concentrically with the ring shape is applied to the surface of the metallic ink. Thus, the surface metallic luster is formed.

  In addition, a slit 13f is cut and provided on the end face side of the inner rising wall portion 13b of the decorative member 13 at a position corresponding to the scale, and the pointer shaft 3 is determined from the slit 13f position and the slit 13f position provided by the cut. A through hole 6b is formed in the display panel 6 in the direction. In this case, the slits 13f are formed so as to extend in the radial direction from the rotation center portion of the pointer 4 as a base point.

  On the back side of the display plate 6, a light guide member 15 having a convex scale portion 14 protruding from the through-hole 6 b provided at a predetermined interval to the display plate 6 onto the surface of the display plate 6. Has been placed. The light guide member 15 is provided so that it can receive the irradiation light from the light source 9 and can guide the light to the convex scale portion 14. The surface of the convex scale portion 14 has a mirror finish and is flat. It is formed by a wall surface.

  The decorative member 13 is configured in almost the same shape as each of the above-described embodiments, and here, the decorative member 13 disposed on the display board 6 is formed in a substantially quadrangular cross section and is visually recognized. Viewing side front surface portion 13a provided on the front side viewed from the front side, inner rising wall portion 13b positioned on the indicator portion 5 side on the display board 6, and outer rising facing the opposite side to the indicator portion 5 side It consists of a wall portion 13c and a mounting surface portion 13d installed on the display board 6. In this second embodiment, the height position of the viewing side front face portion 13a is substantially the same as the outer peripheral side plane portion 60b of the display board 6. The viewing-side front surface portion 13a is formed by an inclined surface that is gently inclined from the flat area toward the central portion of the display panel 6. Further, in the inner rising wall portion 13b, the angle formed by the mounting surface portion 13d and the inner rising wall portion 13b is set to be an obtuse angle in substantially the same manner as each of the embodiments described above.

  Further, the height dimension of the convex scale portion 14 in the third embodiment is substantially the same as or slightly higher than the height dimension of the viewing-side front surface portion 13a located on the center side flat surface portion 60a side of the display board 6. Is set. In addition, the wall part by the convex scale part 14 is formed to extend in the radial direction with the rotation center part of the pointer 4 as a base point, and includes a wall part protruding at the position of the slit 13 f formed by the notch provided in the decorative member 13. It is provided so that a part of wall part location of convex scale part 14 may be arranged, and the wall part location of other convex scale parts 14 is formed so that it may extend toward indicator part 5 side on display board 6. ing.

  In the instrument device according to the third embodiment having the above-described configuration, metallic ink is applied to the surface of the outer peripheral edge of the display area where the indicator portion 5 is applied in the same manner as in the second embodiment. By providing the decorative member 13, the display plate 6 that is the original aim can have a three-dimensional effect, the decorativeness of the instrument device can be enhanced, and the appearance can be improved. By the combination of the decorative member 13 and the step-shaped display board 6, the outer peripheral plane part 60b of the plate surface of the display board 6 is located at a position where the central part side flat part 60a of the display board 6 is recessed. Since it arrange | positions so that it may protrude in the front side, ie, the viewer side, a feeling of depth is further promoted.

  Further, since the convex scale portion 14 integrally protruding from the light guide member 15 is disposed adjacent to the ring-shaped decorative member 13 made of a metallic tone, the step of the display board 6 and the change in the height of the decorative member 13 are A sense of depth can be obtained by the change in height with the protruding convex scale portion 14, and an instrument device using a three-dimensional display board 6 can be provided, so that the decorativeness can be improved and the appearance can be improved. There is an effect. In addition, a slit 13f is provided at a location corresponding to the scale on the ring-shaped decorative member 13, and a part of the convex scale portion 14 having a wall shape is disposed at the slit 13f location, whereby the metallic decorative member 13 is provided. And the convex scale portion 14 made of a transparent wall portion can enhance the texture while producing a three-dimensional effect and a high-class feeling, and the appearance on the display board 6 can be improved.

  Further, during illumination by the light source, even if a part of the light transmitted by the indicator portion 5 on the display board 6 hits the inner rising wall portion 13b of the decorative member 13 and is reflected by turning on the light source 8 or the light source 9, Even if the leaked light from the instruction portion 4aA of the light emission indicator 4 hits the inner rising wall portion 13b of the decorative member 13 and is reflected, the inner rising wall portion 13b is formed between the mounting surface portion 13d of the decorative member 13 and the inner rising wall portion 13b. By setting the obtuse angle to be an obtuse angle, since the reflected light does not enter directly in the direction of the observer's line of sight, the conventional problem that the spot becomes bright can be solved beforehand. At this time, since most of the light rays reflected by the inner rising wall portion 13b are guided toward the display board 6 without being directed toward the line of sight, they are not partially dazzled, so that an easy-to-see instrument device is provided. Can be provided. In addition, since the light-reflected light from the inner rising wall portion 13b is easily absorbed by applying a non-transparent print layer made of a dark shade such as black or amber to the color of the background color portion on the display board 6, further An effect can be obtained.

  Further, a part of the light beam incident on the light guide member 15 by the light source 9 is guided to the convex scale portion 14 side, and the convex scale portion 14 emits light and is illuminated. As a result, the illumination display of the convex scale part 14 and the depth display in the front-rear direction between the indicator part 5 that is transmitted and illuminated on the surface of the display plate 6 formed in a stepped shape can be illuminated and displayed in three dimensions. . At this time, even when a portion of the light leaking from the convex scale portion 14 hits the inner rising wall portion 13b of the decorative member 13 and is reflected when the convex scale portion 14 is illuminated, this is also directed toward the line of sight. The reflected reflected light can be suppressed. In addition, in the ring-shaped decorative member 13, a slit 13 f made of a cut is provided at a position corresponding to the scale, and in a place where a part of the convex scale portion 14 made of a wall shape is disposed at the slit 13 f, Even if a part leaks from the convex scale portion 14, it may be partly irradiated to the standing wall portion of the slit 13f located around the wall-shaped convex scale portion 14 and may cause trouble. In some cases, the light reflected by the standing wall portion of the slit 13f newly enters the convex scale portion 14 having a wall shape and illuminates and displays the convex scale portion 14. The effect that the part 14 is illuminated can also be expected.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the gist of the present invention. For example, in each embodiment, the ring-shaped decorative member 13 disposed on the display board 6 is formed in a substantially quadrangular cross section, and the decorative member 13 is provided on the front side viewed from the viewer. It is installed on the display board 6, the viewing-side front face part 13 a, the inner rising wall part 13 b located on the indicator part side on the display board 6, the outer rising wall part 13 c facing the opposite side to the indicator part side 5, and that consists of a mounting surface portion 13d, but the inner rising wall portion 13b has been described in detail only the basic configuration for setting the angle between the mounting surface portion 13d and the inner rising wall portion 13b at an obtuse angle, for example, the decorative member As shown in FIG. 14 as an example of 13 embodiments, the decorative member 13 is positioned at the intersection of the viewing side front surface portion 13a and the inner rising wall portion 13b and is substantially flush with the viewing side front surface portion 13a. Buttock 1 The inner rising wall portion 13b of the decorative member 13 is disposed at a position where the inner rising wall portion 13b of the decorative member 13 is recessed by integrally protruding and molding g, and the light leaking from the indicator 4 or the indicator portion 5 on the display board 6 rises inward. Even if it hits the wall portion 13b, the reflected light reflected in the visual line direction of the viewer can be further blocked by the flange portion 13g. In each embodiment, the ring-shaped decorative member 13 is described as an example of the ring-shaped decorative member 13 connected in a ring shape. However, the ring-shaped decorative member 13 having a semicircular shape can obtain the same effect. It is something that can be done. Further, the decorative member 13 is formed by molding with synthetic resin. However, the decorative member 13 may be formed by a metal ring-shaped decorative member 13, and the decorative member 13 is not only printed with a surface finish. The texture of the decorative member 13 is combined with shapes and shades such as glossy mirror finish by surface treatment such as painting and vapor deposition, fine uneven finish by hairline, and metallic matte treatment. For example, it is possible to emphasize a sense of depth, a three-dimensional feeling, or a metallic texture.

  Moreover, in each Example, the inner side rising wall part 13b of the decoration member 13 is comprised so that reflected light may be suppressed by setting the angle which the mounting surface part 13d and the inner side rising wall part 13b make to an obtuse angle. However, in addition to the obtuse angle, it is desirable to set the inner rising wall portion 13b to an angle with an obtuse angle that cannot be seen in front view. As a result, the wall surface of the inner rising wall portion 13b, which is a reflection surface when viewed from the front side of the instrument device, is invisible, and reflected light can be prevented in advance.

  In addition, as described in detail in the above-described embodiments, the instrument device has been described by taking the indicator instrument for the vehicle as an example. However, the instrument device is not limited to the instrument for the vehicle, but may be applied to the instrument for ships or the instrument of agricultural machinery. Is possible.

FIG. 1 is a front view showing an instrument device according to a first embodiment of the present invention. FIG. 2 is a cross-sectional view showing the main part of the instrument device comprising the speedometer of FIG. FIG. 3 is a cross-sectional view showing the main part of the instrument device comprising the tachometer of FIG. FIG. 4 is an enlarged cross-sectional view showing the main part of FIG. FIG. 5 is a front view showing an instrument device in the second embodiment of the present invention. FIG. 6 is a cross-sectional view showing a main part of the instrument device of FIG. FIG. 7 is an enlarged cross-sectional view showing a main part of FIG. FIG. 8 is an enlarged cross-sectional view showing a main part of FIG. FIG. 9 is a front view showing an instrument device according to the third embodiment of the present invention. FIG. 10 is a cross-sectional view showing a main part of the instrument device of FIG. FIG. 11 is an enlarged cross-sectional view showing a main part of FIG. FIG. 12 is an enlarged cross-sectional view showing a main part of FIG. FIG. 13 is an enlarged cross-sectional view showing a main part of FIG. FIG. 14 is an enlarged cross-sectional view showing an example of an embodiment of a decorative member.

DESCRIPTION OF SYMBOLS 1 Instrument case 1a Light case 2 Instrument main body 3 Pointer shaft 4 Light emission pointer 4a Indicator part 4b Pointer cap 5 Indicator part 6 Display board 6a Fixing hole 7 Circuit board 8 Light source for pointer (light emitting diode)
9 Light source (light emitting diode)
DESCRIPTION OF SYMBOLS 10 Lookback member 11 Cover plate 12 Cover body 13 Decoration member 13a Viewing side front surface part 13b Inner rising wall part 13c Outer rising wall part 13d Placement surface part 13e Fixing pin 13f Slit 13g Gutter part

Claims (5)

A circuit board to be assembled to the case, an instrument main body to be assembled to the circuit board or the case, a pointer to be attached to the distal end side of the drive shaft provided on the instrument main body, and an index portion indicated by the pointer a display panel, and a ring-shaped decorative member having light reflectivity which is disposed on the front side of the panel so as to surround the operation area of the pointer, is mounted on the circuit board, a light source for emitting illuminating the pointer And the decorative member includes a viewing-side front surface portion provided on the front surface side viewed from the viewer, an inner rising wall portion located on the indicator portion side, and the indicator portion side. angle between the opposite-facing outwardly rising wall portion consists mounting surface portion and is disposed on the display board, the inner rising wall portion and the mounting surface portion and the inner rising wall It is set to an obtuse angle, on the back side of the display plate, the light guide member having a convex scale portion protruding from the provided arranged at predetermined intervals in the display panel through hole to the display board is arranged And the convex scale portion is disposed close to the inner rising wall portion . A circuit board to be assembled to the case, an instrument main body to be assembled to the circuit board or the case, a pointer to be attached to the distal end side of the drive shaft provided on the instrument main body, and an index portion indicated by the pointer A display board, a ring-shaped decorative member having light reflectivity disposed on the front side of the display board so as to surround the operating area of the pointer, and mounted on the circuit board, from the back side of the display board An instrument device comprising: a light source for transmitting and illuminating the indicator portion; wherein the decorative member is a front side portion on the viewing side provided on the front side viewed from the viewer, and an inner rising wall located on the indicator portion side parts and, with the indicator portion and the outer rising wall portion facing the opposite side consists of the mounting surface portion and is disposed on the display board, the inner rising wall placing surface portion and the inner standing Angle between rising wall portion is set to an obtuse angle, said the back side of the display plate is projected scale portion protruding from the provided arranged at predetermined intervals in the display panel through hole to the display board An instrument device, wherein the light guide member provided is disposed, and the convex scale portion is disposed close to the inner rising wall portion . A circuit board to be assembled to the case, an instrument main body to be assembled to the circuit board or the case, a pointer to be attached to the distal end side of the drive shaft provided on the instrument main body, and an index portion indicated by the pointer A display board, a ring-shaped decorative member having light reflectivity disposed on the front side of the display board so as to surround the operating area of the pointer, and the indicator portion of the display board mounted on the circuit board A measuring instrument device comprising: a light source for transmitting and illuminating the pointer; and a light source for emitting and illuminating the pointer. an inner rising wall portion positioned, and the index portion and the outer rising wall portion facing the opposite side consists of the mounting surface portion and is disposed on the display board, the inner rising wall before Angle between the mounting surface portion and the inner rising wall portion is set to an obtuse angle, said the back side of the display plate, from said panel is provided by arranging a predetermined interval in the through hole to the display board An instrument device, wherein a light guide member having a protruding scale part is disposed, and the convex scale part is disposed in proximity to the inner rising wall part . The inner rising wall portion is an end face side slits cut from the formation, according to any one of claims 1 to 3, wherein at least a portion of the convex graduation in the slits are inserted arranged Instrument device. The display plate is a region where the pointer indicates rotation on the plate surface of the display plate, the central portion of the plate surface of the display plate is recessed, and the outer peripheral portion of the plate surface of the display plate is directed to the viewer side. The step-shaped display plate that is shaped to project and is connected to the central portion and the outer peripheral portion by a substantially vertical standing wall portion, and is adjacent to the standing wall portion. The instrument device according to any one of claims 1 to 4 , wherein the decorative member is disposed.

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