JP2579861Y2 - Display device for vehicles - Google Patents

Description

[Detailed description of the invention]

[0001]

This invention selects a specific one of a plurality of display devices, such as a torque converter position display, between two display devices arranged side by side, such as a speedometer and a tachometer. The present invention relates to a combination type vehicle display device in which a display device for performing switching display is arranged.

[0002]

2. Description of the Related Art In recent years, with the spread of automatic transmission (A / T) vehicles, various types of combination type vehicle display devices for displaying the position of a torque converter have been proposed. FIG. 4 is an exploded perspective view showing a configuration of an example of the above-described conventional vehicle display device. In FIG. 4, reference numeral 1 denotes a case made of a material having a light-shielding property. The first and second partitions 1w ₁ and 1w ₂ define a _first chamber 1r ₁ , a second chamber 1r ₂ and a third chamber. 1r ₃ is partitioned in the lateral direction, the third chamber 1r ₃ is a plurality of partitions _{1w 31, 1w 32, 1w 33} , 1w 34 and a plurality of small chambers 1r ₃₁ by _{1w 35, 1r 32, 1r 33} , 1r 34, 1r
₃₅ and 1r ₃₆ are vertically divided. The details of the portion of the third chamber 1r _3, FIGS. 2 and 3 will be described later
Is represented in

[0003] 2A first chamber speedometer movement housed in 1r _1, 2B is Movement tachometer contained in the second chamber 1r _2, 3A the first
A first light source for a backlight housed in the room 1r ₁ of
3B shows a second light source for a backlight housed in a second chamber 1r _2. 4A shows a first dial for closing the front surface of the first chamber 1r _1, the surface of the substrate which is constituted of a translucent material, structure in which a printing layer having a display character, about the speed of such numbers It has been.

[0004] 4B shows a second dial for closing the front surface of the second chamber 1r _2, the surface of the substrate which is constituted of a translucent material, having a display character, related to the rotation speed of the engine, such as numbers It is configured to have a printing layer. 4C shows a third dial, a front surface of the third chamber 1r _3, first and second chambers 1r _1, is intended for closing a portion of the front surface of 1r _2, the substrate made of a light guide plate On the back surface, a printing layer having an indication on the position of the torque converter is provided.

[0005] Reference numeral 5A denotes a first pointer disk, which is attached to the rotating shaft of the movement 2A and indicates the speed. Reference numeral 5B denotes a second pointer disk, which is attached to the rotation shaft of the movement 2B and indicates the number of revolutions of the engine. Reference numeral 6A denotes a first blind plate, which covers the first dial plate 4A and the third dial plate 4C so as not to be seen. Reference numeral 6B denotes a second blind plate, which covers a space between the second dial plate 4B and the third dial plate 4C so as to be invisible.

FIG. 5 is a rear view of the third dial. FIG.
In the figure, 4a denotes a substrate made of a light guide plate constituting the third dial 4C, and 4b denotes a printed layer provided on the substrate 4a.

[0007] FIG. 6 is an explanatory diagram showing a third chamber portion as viewed from an arrow D ₁ direction assemble vehicle display device shown in FIG. In FIG. 6, 3C _{1 to} 3C ₆ are small chambers 1r ₃₁ to
The light source attached to the case 1 corresponding to 1r ₃₆ is shown. The illustration of the printing layers provided on the first and second dials 4A and 4B is omitted.

Next, the operation will be described. First, the first
When the second light sources 3A and 3B are turned on, a part of the light from the first and second light sources 3A and 3B is transferred from both ends to the substrate 4a of the third dial 4C as shown in FIG. After entering and repeating reflection, the light is emitted to the front side (upper side in FIG. 6) of the substrate 4a, so that the information provided on the third dial 4C can be visually recognized with a predetermined brightness.

In the state described above, for example, when the shift lever is in the reverse position, the corresponding small chamber 1
Since the light source 3C ₅ accommodated in the r ₃₅ is turned, the substrate 4 is light from the light source 3C ₅ directly or through a printed layer 4b
a from the back side and exits to the front side of the substrate 4a,
As shown in FIG. 7, it is possible to visually recognize that the letter "R" is displayed brightly on the third dial 4C, and it is possible to confirm that the position of the torque converter is at the reverse position. .

Accordingly, by operating the shift lever, the one of the corresponding light source 3C ₁ ~3C ₆ is turned, the position of the torque converter "P (parking)", "R", " N ( Neutral ) "," D
(Drive), “2 (second)” or “L (low)”, and the display background color is changed by the printed layer 4 b to the light source 3.
By varying the color of C ₁ ~3C _6, it is possible to improve further visibility.

[0011]

The conventional vehicle display device is constructed as described above, that is, the dial is divided into the first to third dials 4A to 4C. It has many points and is structurally complicated. Also, the first
And the amount of light incident on the third dial 4C varies depending on the mounting positions of the second light sources 3A and 3B,
There is an inconvenience that the brightness that uniformly illuminates the third dial 4C varies.

This invention has been made in order to solve the above-mentioned inconvenience. The number of parts is reduced, the structure is simplified, and the brightness for uniformly illuminating a specific portion of the dial is improved. An object of the present invention is to provide a vehicle display device having no variation.

[0013]

In order to achieve the above object, a display device for a vehicle according to the present invention has a first light source in each of a plurality of first chambers partitioned by a light-shielding partition. A plurality of dials provided with information illuminated by the first light source cover the front surfaces of the plurality of first chambers, and are provided with a second light source provided in a second chamber adjacent to the plurality of first chambers. In a vehicle display device, the first light source corresponding to predetermined information to be displayed blinks in a state in which light is guided to brightly illuminate a dial provided on a front surface of the first room, A substrate comprising the plurality of dials, a substrate integrally formed of a light diffusing material, and a character in which light emitted from the first light source in one of the first chambers is provided on a front surface of the other first chamber. A light blocking member for preventing light from entering the plate; Ete and constitutes.

[0014]

According to the present invention, the substrate guides light from the second light source provided in the second chamber adjacent to the plurality of first chambers to brighten the dial provided on the front surface of the first chamber. Illuminate. In this state, when the first light source corresponding to the predetermined information to be displayed is turned on and off, the light shielding member is provided with light emitted from the first light source in one first room on the front surface of the other first room. To prevent it from entering the dial.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is an explanatory view corresponding to FIG. 6 showing an essential part of the vehicle display device according to a first embodiment of this invention, FIG 2 is seen from an arrow D ₂ direction to assemble the vehicle display device shown in FIG. 6 It is explanatory drawing which shows the 3rd chamber part in 1st Example, the same code | symbol is attached | subjected to the same or equivalent part as FIGS. 4-7, and description is abbreviate | omitted.

In these figures, reference numeral 41 denotes a dial, for example, “Light diffusion grade G-3120G,” manufactured by “Teijin Chemical Co., Ltd.”
3110G and 3105G (polycarbonate resin) ”, a substrate 41a made of a light diffusing material is provided with at least a printed layer 4b on the back surface.
The first to third dials 4A to 4C shown in FIG. In addition, the illustration of the printing layer provided in the part corresponding to the 1st and 2nd dial 4A, 4B in FIG. 6 is abbreviate | omitted.

Next, the operation will be described. By configuring the dial 41 as described above, a part of the light from the first and second light sources 3A and 3B enters the substrate 41a of the dial 41, as shown in FIG. The light is guided while being diffused by the light source, and after repeating the reflection, the light is emitted to the front side from between the first and second blind plates 6A and 6B. In the state described above, for example, when the shift lever is in the reverse position, the corresponding small chamber 1
Since the light source 3C ₅ accommodated in the r ₃₅ is turned on, FIG. 2
As shown in, the light from the light source 3C ₅ enters from the back side substrate 41a directly or via a printed layer 4b, the substrate 41a
The light is guided while being diffused, and is repeatedly reflected. Then, the light is emitted to the front side of the substrate 41a. Therefore, as shown in FIG. It can be confirmed that the position of the torque converter is at the reverse position.

As described above, according to the first embodiment of the present invention, the light from the first and second light sources 3A and 3B is uniformly diffused in the substrate 41a. That is, the first corresponding to the conventional third dial 4C
And the brightness between the second blind plates 6A and 6B is the first brightness.
Variation does not occur depending on the mounting positions of the second light sources 3A and 3B. Since only one dial 41 is required, the number of parts is reduced and the structure is simplified.

FIG. 3 is a block diagram showing a main part of a vehicle display device according to a second embodiment of the present invention, and corresponds to FIG. In FIG. 3, 1p _{1 to} 1p ₇ indicate respective projections, and the projections 1p ₁ and 1p ₇ are provided on the peripheral wall of the case 1,
Protrusion 1p ₂ is provided in the partition 1w _31, protrusion 1p ₃ is provided in the partition 1w _32, protrusion 1p ₄ is provided in the partition 1w _33, protrusion 1p ₅ is provided in the partition 1w _34, protrusion 1p ₆ partition wall 1w ₃₅ are provided.

[0020] 41g ₁ ~41g ₇ denotes a substrate of the dial 41 4
Shows each groove provided in the 1a, the groove 41 g ₁ part projections 1p ₁ is fitted, the groove 41 g ₂ portions protrusion 1p ₂ is fitted, it is fitted grooves 41 g ₃ portions protrusion 1p _3, Groove 41g ₄
The protrusion 1p ₄ fits into the part, and the protrusion 1p fits into the groove 41g ₅ part.
₅ is fitted, the protrusion 1p ₆ is fitted into the groove 41 g ₆ portions, protrusions 1p ₇ in the groove 41 g ₇ portion is fitted. Then, the groove 41g ₁ ~41g ₇ includes a light source 3C ₁ to 3 corresponding to the display
Light from C ₆ is one having a function of reflecting at the side wall so as not to proceed to another display part. In addition, each of the projections 1p ₁ ~
1p ₇ and the grooves 41g ₁ ~41g ₇ each partition wall 1 w ₃₁ ~
It is provided by the length of 1 w _35.

Next, the operation will be described. As shown in FIG. 3, by forming the dial 41 provided with a groove 41g ₁ ~41g ₇ to the substrate 41a, the light source 3C ₅ accommodated in the chamber 1r ₃₅ lit, light from the light source 3C ₅ is The light is incident on the back side of the substrate 41a directly or via the printed layer 4b, and is emitted to the front side of the substrate 41a. At this time, the light going to the adjacent small chambers 1r ₃₄ and 1r ₃₆ is
is reflected by a side wall constituting the g _5, 41g _6, not proceed to compartment 1r _34, 1r ₃₆ parts next.

As described above, according to the second embodiment of the present invention, the light sources 3C _{1 to} 3C ₆ provided corresponding to the display.
The light from will not travel as if illuminating other displays,
Only the necessary information part can be made brighter and visible. Therefore, display quality and visibility can be improved.

In the above embodiment, the protrusions 1 are provided at both ends.
Although the example in which p ₁ and 1p ₇ and the grooves 41 g ₁ and 41 g ₇ are provided has been described, similar effects can be obtained without providing the protrusions 1 p _{2 to} 1 p ₆ .

[0024]

According to the present invention, the substrates constituting the plurality of dials that cover the front surfaces of the plurality of first chambers, each of which is partitioned by a partition, are integrally formed of a light diffusing material, so that the number of parts is reduced. And the structure is simplified, and there is no variation in the brightness of uniformly illuminating a specific portion of the dial. Further, the light-blocking member prevents light emitted from the first light source in one first room from being incident on a dial provided on the front surface of the other first room. Only the dial can be brightened, and the visibility can be improved.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a main part of a vehicle display device according to a first embodiment of the present invention.

FIG. 2 is an assembled view of the vehicle display device shown in FIG.
It is explanatory drawing which shows the 3rd chamber part in 1st Example seen from ₂ directions.

FIG. 3 is a configuration diagram showing a main part of a vehicle display device according to a second embodiment of the present invention.

FIG. 4 is an exploded perspective view showing a configuration of an example of a conventional vehicle display device.

FIG. 5 is a rear view of a third dial.

FIG. 6 is a sectional view of the vehicle display device shown in FIG.
It is explanatory drawing which shows the 3rd chamber part seen from ₁ direction.

FIG. 7 is an explanatory diagram showing an example of a position display of a torque converter in a display device for a vehicle.

[Explanation of symbols]

1 Case 1 w ₁ first partition wall 1 w ₂ second partition 1 w ₃₁ to 1 W ₃₅ partition wall 1r ₁ first chamber 1r ₂ second chamber 1r ₃ third chamber 1r ₃₁ ~1r ₃₆ chambers 3A first light source 3B the second light source 3C ₁ ~3C ₆ source 4b printing layer 41 dial 41a substrate 41 g ₁ ~ 41 g ₇ grooves

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 2-19093 (JP, U) JP-A 64-2198 (JP, U) JP-A 57-51987 (JP, U) JP-A 3- 122322 (JP, U) Japanese Utility Model 1-140123 (JP, U) Japanese Utility Model 63-113113 (JP, U) Japanese Utility Model 642-1198 (JP, U) (58) Field surveyed (Int. ⁶ , DB name) G01D 11/28 G01D 7/00

Claims (1)

(57) [Scope of request for utility model registration] A first light source is provided in each of a plurality of first chambers partitioned by a partition having light shielding properties, and a plurality of dials provided with information illuminated by the first light source are provided. A state in which the front surface of the first room is covered, and light from a second light source provided in the second room adjacent to the plurality of first rooms is guided to brightly illuminate the dial provided on the front surface of the first room. A display device for a vehicle configured to blink the first light source corresponding to predetermined information to be displayed, wherein the plurality of dials are configured, and a substrate integrally formed of a light diffusing material; A light shielding wall for preventing light emitted from the first light source in one of the first chambers from being incident on a dial provided on the front surface of the other first chamber. Display device.