JP2022173871A - Display device for vehicle - Google Patents

Abstract

To provide a display device for a vehicle that can prevent visibility and merchantability from being deteriorated due to positional deviation of a decorative member and a display panel.SOLUTION: A display device for a vehicle includes: a display panel 1 having a display unit (an indicator unit 12) that displays vehicle information; and a decorated member 3 positioned on the display panel 1 and provided outside the display unit. The decorative member 3 is provided with a plurality of positioning projections 33 projected from an opposite surface of the display panel 1. Long holes 15 are provided in the display panel 1 so as to correspond to the positioning projection 33. The positioning projections 33 inserted into the respective long holes 15 are positioned in the long holes 15 by leaving a gap G1 on a center side of the decorative member 3.SELECTED DRAWING: Figure 6

Description

TECHNICAL FIELD The present invention relates to a vehicle display device that displays vehicle information, and is suitable, for example, as a vehicle instrument mounted on an instrument panel.

Conventionally, a decorative member such as a facing member or a ring is arranged on the front side of a display plate, and particularly regarding a display device for a vehicle in which the display plate and the decorative member are positioned, for example, the device described in Patent Document 1 is disclosed. Are known. In the instrument device described in Patent Document 1, a cylindrical body for positioning is provided in a light guide body in the front-rear direction, and a positioning hole corresponding to the cylindrical body is formed in a dial plate (display plate). A first positioning pin corresponding to the tubular body is protruded in the case, and a second positioning pin corresponding to the tubular body is protruded on the rear surface of the dial plate (decorative member). Then, by inserting the positioning hole of the dial plate into the cylindrical body and assembling the instrument case and the light guide, the first positioning pin is inserted into the cylindrical body, and the dial plate and the light guide are assembled. A second locating pin is inserted into the tubular body.

With this configuration, the instrument case, the dial plate, and the dial plate are positioned via the light guide. As a result, as shown in FIG. 2 of Patent Document 1, even when the boundary (window) of the dial plate overlaps the display portion of the dial plate, the positional deviation between the dial plate and the dial plate is minimized. Therefore, the position of the display section with respect to the boundary becomes substantially uniform, and deterioration of the visibility of the display section can be suppressed.

JP-A-10-73460

However, in the instrument device of Patent Document 1, the dial plate (display plate) and the dial plate (decorative member) are positioned on the light guide. That is, the dial plate is positioned on the outer wall of the cylindrical body provided on the light guide, and the dial plate is positioned on the inner wall of the cylindrical body by the second positioning pin. At this time, a positional deviation occurs between the outer wall of the cylindrical body and the positioning hole of the dial, and a positional deviation occurs between the inner wall of the cylindrical body and the second positioning pin, and both positional deviations occur in opposite directions. , the amount of positional deviation between the dial plate and the dial at that location becomes maximum. As a result, the position of the display portion with respect to the boundary becomes uneven, and there is a risk that the visibility and marketability will deteriorate.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a vehicle display device that can prevent deterioration of visibility and marketability due to misalignment of a decorative member and a display plate.

A vehicle display device of the present invention includes a display panel having a display unit for displaying vehicle information,
A decorative member positioned on the display plate and provided outside the display unit,
The decorative member is provided with a plurality of positioning protrusions protruding from the facing surface of the display plate,
The display plate is provided with long holes corresponding to the positioning protrusions,
The positioning projections inserted through the respective long holes are positioned in the long holes with a gap provided on the center side of the decorative member.

Further, the display plate is printed with a design along the boundary with the decorative member.

Indicating and displaying a measured value by means of an indicator portion printed on the display plate along the decorative member and a pointer rotating on the display plate,
The decorative member is provided on a concentric circle centering on the rotation axis of the pointer.

Also, three or four positioning projections are provided at intervals of 90 degrees around the rotation shaft.

A display board having a display unit for displaying vehicle information;
A decorative member positioned on the display plate and provided outside the display unit,
The decorative member is provided with a plurality of positioning protrusions protruding from the facing surface of the display plate,
The display plate is provided with long holes corresponding to the positioning protrusions,
The positioning protrusions inserted through the respective long holes are positioned in the long holes with a gap provided in the outward direction from the center of the decorative member.

Advantageous Effects of Invention According to the present invention, it is possible to provide a vehicle display device capable of suppressing deterioration of visibility and marketability due to positional deviation of a decorative member and a display plate.

FIG. 2 is a diagram showing a vehicle-mounted state of the display device for vehicle according to the present embodiment. The front view of the principal part of the display apparatus for vehicles in embodiment same as the above. III-III sectional view of FIG. The figure which shows the display board in embodiment same as the above. The perspective view which shows the facing surface side with a display plate in the decorating member in embodiment same as the above. FIG. 3 is a cross-sectional view of essential parts taken along line VI-VI of FIG. 2; The front view of the principal part of the display apparatus for vehicles in another example. The front view of the principal part of the display apparatus for vehicles in another example.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings, taking as an example an application to a vehicle display device mounted on a vehicle.

FIG. 1 shows a vehicle display device A mounted in an automobile (vehicle) B. As shown in FIG. The vehicular display device A is provided facing the driver's seat so that the user (vehicle user) can view the display while driving. In this case, the vehicular display device A is provided on the instrument panel C at a position facing the driver's seat of the vehicle, and the user seated in the driver's seat can confirm the display output by the vehicular display device A through the steering wheel D. . Further, the vehicle display device A can display and output vehicle information, route guidance, sound-related information, and the like. In addition, the vehicle user can perform display operations (screen switching) and various settings by operating the switch D1 provided on the steering wheel D according to the display contents of the vehicle display device A. FIG.

In this case, as shown in FIGS. 2 and 3, the vehicular display device A is, for example, a pointer-type meter provided with a display plate 1, a pointer 2, and a decorative member 3 to indicate the traveling speed of the vehicle. Equipped with a liquid crystal display panel (not shown), a warning light, a speaker, etc., it is also equipped with a configuration capable of outputting various vehicle information to the user. In addition, the vehicle display device A accommodates and holds components such as the pointer-type instrument and the circuit board 6 in the accommodation space between the transparent protective cover 4 and the case 5 . The liquid crystal display panel is a display device for performing various types of vehicle information such as images taken outside the vehicle and travel distance, air conditioner settings, route guidance, sound operation, and the like.

As shown in FIGS. 3 and 4, the display plate 1 has an index portion (display portion) 12 and a pattern (design) 13 printed on a sheet-like base material 11 made of a synthetic resin material. 15 are formed. The display board 1 is held by spacers (not shown) for keeping a distance from the circuit board 6 .

The base material 11 is made of a translucent synthetic resin material with a uniform thickness. The index portion 12 and the pattern 13 are formed according to the shape of the transmitting portion.

The index portion 12 is a display portion that indicates a numerical value indicating a traveling speed value or a unit of "km/h" by being indicated by the pointer 2, and is formed by so-called punching printing without providing the black printed layer 11a as described above. , and is provided so as to be capable of transmitting illumination by a light source, which will be described later. By providing a colored translucent printed layer on the surface or the back surface of the substrate 11, the index portion 12 can be displayed in a desired color (for example, white).

The pattern 13 is the design of the display plate 1 provided inside the decorating member 3. In this case, the pattern 13 is provided concentrically along the boundary S with the decorating member 3 so as to surround the shaft hole 14 and the index portion 12. , is formed by printing using a color different from the background color (black). In this case, like the index portion 12, it is provided so that it can be illuminated by a light source. The pattern 13 can be formed of printed layers of a plurality of colors, and can also serve as a display section for indicating vehicle information by being indicated by the hands 2 by forming it in a scale shape.

The shaft hole 14 is an opening through which the rotary shaft of the pointer 2 is inserted, and is formed in the central portion of the indicator portion 12 , the pattern 13 and the decorative member 3 . The pointer 2 can be illuminated through the shaft hole 14 as shown in FIG.

The elongated hole 15 acts as a positioning portion for determining the relative position of the decorative member 3 and the display plate 1, and as shown in FIG. , at intervals of 90 degrees (perpendicular) around this central portion (rotational shaft portion), at a position overlapping the decorative member 3 (indicated by a dotted line), that is, at a position covered by the decorative member 3, and displayed. The position of the decorative member 3 in the plane direction of the plate 1 can be determined.

The pointer 2 indicates vehicle information together with the display plate 1, and in this case, rotates to an angle corresponding to the running speed to indicate a desired position of the indicator portion 12. An indicating portion 21 and a cap portion 22 are provided. , a rotary shaft 23 and a drive source 24 are provided.

The pointing portion 21 is a light guide member made of a synthetic resin material capable of transmitting light, and can point toward the indicator portion 12 from the rotating shaft 23 . On the rotating shaft 23 side of the pointing portion 21 , there are a shaft supporting portion connected to the rotating shaft 23 , an entrance surface for introducing light from the light source through the shaft hole 14 , and a reflecting surface for reflecting light toward the distal end side of the pointing portion 21 . is formed.

The cap portion 22 is made of a colored (in this case, the same color as the background color of the display panel 1) covering the shaft hole 14 and the rotating shaft 23 so that they cannot be seen from the outside of the vehicle display device A, and is made of a light-shielding synthetic resin material. Become.

The rotary shaft 23 transmits the rotation of the drive source 24 mounted on the circuit board 6 to the indicator 21 , and extends from the drive source 24 to the center of the shaft hole 14 of the display plate 1 perpendicularly to the surface of the display plate 1 . be provided.

The drive source 24 can be a motor, and rotates the indicator 21 by a desired angle via the rotation shaft 23 based on the drive signal supplied from the circuit on the circuit board 6 . can be changed. The user can read the measured value (travel speed of the vehicle) by comparing and reading the indicated position of the indicating portion 21 and the indicator portion 12 .

The decorative member 3 is provided in an annular shape concentrically around the position of the rotating shaft 23 so as to surround the indicator portion 12 on the outside of the indicator portion 12 of the display plate 1 . The decorative member 3 is provided with a light guide portion 31 made of translucent synthetic resin material, and a coating portion 32 such as metal plating on the surface side of the light guide portion 31. Positioning protrusions 33 corresponding to the positions of the long holes 15 are provided on the facing surface side). In this case, as shown in FIGS. 2 and 5, the light guide portion 31 is formed continuously with a scale portion 34 extending toward the rotating shaft (shaft hole 14) 23, and the user can compare and read the measured values. It can be used as an index in some cases.

FIG. 6 is a view showing a section VI-VI of FIG. 23) It is inserted into the position where gaps G1 and G2 are provided on the side (inner side) and the opposite outer side, respectively, and is positioned in contact with the inner wall surface of the long hole 15 in the direction perpendicular to the cross-sectional direction. Regulated.

Moreover, the decorating member 3 is provided so as to partially overlap the pattern 13 provided on the display plate 1 along the decorating member 3 . As a result, the pattern 13 on the inner side of the decorative member 3 has a constant width W formed inward from the boundary S with the decorative member 3 so that the user can visually recognize it.

In addition, since the display board 1 and the decorative member 3 are formed of different materials and shapes, when they expand or contract due to the influence of heat or aging, the amount of dimensional change of each will be different. 1 and the decorative member 3 are relatively displaced. In this case, according to the above-described configuration of the long hole 15 and the positioning projection 33, the space between the positioning projection 33 and the inner wall of the long hole 15 can be expanded or contracted around the position of the rotation shaft (shaft hole 14) 23. are provided with gaps G1 and G2. Therefore, even if the display plate 1 and/or the decorating member 3 are deformed, the center position of the decorating member 3 remains at the position of the shaft hole 14, so that the indicator portion 12 and the pattern 13 provided on the same concentric circle are deformed. , the amount of positional deviation is not partially increased and becomes uniform. Therefore, even if the deformation occurs, it is possible to prevent the display quality from deteriorating, such as the decorative member 3 appearing to be eccentric. In particular, the width of the pattern 13 provided along the decorating member 3 becomes uniform, and the positional relationship between the scale portion 34 of the decorating member 3 and the index portion 12 does not appear to be eccentric. can be maintained.

The protective cover 4 can be made of a transparent synthetic resin such as acrylic, covers the display surface side so that the hands 2 cannot be touched directly, and has an inclined surface (curved surface) formed in the upper and lower directions. It is possible to prevent the user who visually recognizes from being reflected, and the reflection of external light from the vehicle, such as sunlight, toward the user's eyes.

The case 5 has a concave shape and can be made of a light-shielding synthetic resin material, and together with the protective cover 4, it accommodates parts such as the display plate 1, pointer 2, decorative member 3, and circuit board 6, and can be directly touched from the outside. protect it from happening. The case 5 and the protective cover 4 are held together by engagement with hooks or screwing so that a space for accommodating the parts can be formed inside. In addition, the case 5 may be a light-shielding member, and a metal material can also be applied.

The circuit board 6 is formed by forming a wiring pattern of copper foil on a plate material such as glass epoxy resin, and includes the indicator portion 12 and the pattern 13 of the display plate 1, the indicator portion 21 of the pointer 2, and the light guide portion of the decorative member 3. 31, a control circuit element ( (not shown) and an external connector (not shown) for supplying power and measurement value information from the outside of the display device A for vehicle via a cable. The circuit board 6 is provided in parallel with the surface of the display board 1 at a constant interval, and is held by the case 5 .

Such a vehicle display device A includes a display plate 1 having a display portion (indicator portion 12) for displaying vehicle information, and a decorative member 3 positioned on the display plate 1 and provided outside the display portion. The decorative member 3 is provided with a plurality of positioning projections 33 protruding from the facing surface of the display plate 1, and the display plate 1 is provided with long holes 15 corresponding to the positioning projections 33, respectively. The positioning projections 33 provided and inserted into the respective long holes 15 are positioned in the long holes 15 with a gap G1 provided on the center side of the decorative member 3 .

Therefore, even if the decorative member 3 is displaced with respect to the display panel 1 due to deformation, the central position of the decorative member 3 can be maintained. Therefore, the display balance can be maintained without disturbing the positional relationship between the center of the indicator portion 12 and the center of the decorative member 3 . Therefore, it is possible to prevent deterioration of visibility and marketability without giving an impression of misalignment.

Further, even when the pattern (design) 13 is printed along the boundary S between the display board 1 and the decorative member 3, the positional deviation is not a partial positional deviation but a uniform change. It is possible to suppress the deterioration of visibility and marketability without giving the impression of

In addition, the indicator portion 12 printed on the display plate 1 along the decorative member 3 and the pointer 2 rotating on the display plate indicate and indicate the measured value. In the structure provided on concentric circles around the rotating shaft 23 , even if the decorative member 3 is displaced with respect to the display board 1 due to deformation, the relative position of the decorative member 3 on the display board 1 is reduced. central position can be maintained. In addition, since the central position of the indicator portion 12 and the central position of the decorative member 3 are aligned with the same rotating shaft 23, the structure is such that partial positional deviation is less likely to occur.

A display plate 1 having a display portion (indicator portion 12) for displaying vehicle information and a decorative member 3 positioned on the display plate 1 and provided outside the display portion are provided. 3 is provided with a plurality of positioning projections 33 projecting from the facing surface of the display plate 1, and the display plate 1 is provided with long holes 15 corresponding to the positioning projections 33, respectively. The positioning projection 33 inserted through is positioned in the elongated hole 15 with a gap G2 extending outward from the center of the decorative member 3 . Therefore, even if the decorative member 3 is displaced with respect to the display panel 1 due to deformation, the center of the decorative member 3 can be maintained. Therefore, the display balance can be maintained without disturbing the positional relationship between the center of the indicator portion 12 and the center of the decorative member 3 . Therefore, it is possible to prevent deterioration of visibility and marketability without giving an impression of misalignment.

Although the present embodiment has been described above, the present invention is not to be construed as being limited to the above-described embodiment, and can be applied to various embodiments without departing from the spirit of the present invention. INDUSTRIAL APPLICABILITY The present invention is suitable as a display device mounted on an instrument panel C. For example, a display E provided at an upper position of the instrument panel C shown in FIG. The configuration may be applied to a monitor or a monitor for passengers in the rear seats, and effects similar to those of the above-described embodiment can be obtained.

Further, in the above-described embodiment, four positioning projections 33 of the decorative member 3 are provided at 90-degree intervals from the center of the decorative member 3, and are positioned in the corresponding elongated holes 15. However, FIG. 7, a configuration in which three elongated holes 150 and three positioning projections 330 are provided at intervals of 90 degrees from the same center is also possible. Further, the decorative member does not have to be ring-shaped. For example, as shown in FIG. 7, if the outer appearance of the display section is concentric arc-shaped, the same effect as the above-described embodiment can be obtained. That is, three or four positioning projections 330 may be provided at intervals of 90 degrees around the rotating shaft 23, and the direction of deformation of the decorative member 300 can be determined easily.

Further, as a modified example of the decorative member, as shown in FIG. 8, the decorative member 301 provided outside the display portion (indicator portion) such as the scale 121 is similar to the long hole 151 and the positioning projection 331 of the above embodiment. In this case, when deformation due to temperature etc. occurs, the upper part of the decorative member 301 and the scale 121 of the display board 101 provided along it Since the intervals can be made uniform, deterioration in display quality can be suppressed. In FIGS. 7 and 8, parts similar to those of the above-described embodiment are assigned the same reference numerals, and detailed description thereof is omitted.

Further, the present invention is suitable as a vehicle display device mounted on a moving object such as an automobile, a motorcycle, or an agricultural machine or a construction machine.

1 display plate 11 base material 11a black printed layer 12 indicator portion (display portion)
13 Pattern (Design)
14 Shaft hole 15 Long hole 2 Pointer 21 Indicator 22 Cap portion 23 Rotating shaft 24 Drive source 3 Decorative member 31 Light guide portion 32 Coating portion 33 Positioning protrusion 34 Scale portion 4 Protective cover 5 Case 6 Circuit board 51 Light source A For vehicle Display device B Automobile (vehicle)
C Instrument panel D Steering D1 Switches G1, G2 Gap S Boundary W Width

Claims (5)

a display board having a display unit for displaying vehicle information;
A decorative member positioned on the display plate and provided outside the display unit,
The decorative member is provided with a plurality of positioning projections projecting from the facing surface of the display plate,
The display plate is provided with long holes corresponding to the positioning protrusions,
The vehicular display device of the vehicle display device, wherein the positioning projections inserted through the respective long holes are positioned in the long holes with a gap provided on the center side of the decorative member. 2. The vehicular display device according to claim 1, wherein the display plate is printed with a design along a boundary with the decorative member. indicating and indicating a measured value by means of an indicator portion printed on the display plate along the decorative member and a pointer rotating on the display plate;
2. The vehicle display device according to claim 1, wherein the decorative member is provided on a concentric circle centering on the rotation axis of the pointer. 4. The vehicle display device according to claim 3, wherein three or four positioning protrusions are provided at intervals of 90 degrees around the rotation axis. a display board having a display unit for displaying vehicle information;
A decorative member positioned on the display plate and provided outside the display unit,
The decorative member is provided with a plurality of positioning protrusions protruding from the facing surface of the display plate,
The display plate is provided with long holes corresponding to the positioning protrusions,
The vehicular display device according to claim 1, wherein the positioning projections inserted through the respective long holes are positioned in the long holes with a gap provided in the outward direction from the center of the decorative member.

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