JP4697771B2 - Display panel with turnaround - Google Patents

Description

  The present invention relates to a display panel display and a display panel provided with the display, and more particularly to a display panel display improved in mechanical strength and a display panel including the display.

  For vehicles such as automobiles, various information related to the state of the vehicle such as the vehicle running speed, engine speed, engine coolant temperature, remaining fuel level, various warnings, etc. are displayed and this information is used to drive the vehicle. A display panel is provided to communicate to the user.

  As such a display panel, for example, a character formed with a display unit such as a scale that serves as an indicator of travel speed or engine speed, a window that exposes a display surface of a liquid crystal display device that displays the cumulative travel distance of a vehicle, etc. A plate, a case that is disposed on the back side of the dial plate, supports the dial plate, and houses a movement for driving a pointer that indicates the index of the liquid crystal display device or the dial plate; and It is arranged on the front surface side and assembled to the case, and includes a turnover that covers the area excluding the display part of the dial (hereinafter referred to as a non-display part) and improves the appearance from the viewpoint of the driver. Things are known. (For example, refer to Patent Document 1).

  In recent years, as the functions of vehicles increase, the types of information related to the state of the vehicle tend to increase, and a large amount of information is displayed densely on the display panel. Therefore, the display arranged on the surface of the dial of the display panel covers the non-display portion of the dial so that the dial is easy to see, and for example, the periphery of the display is individually divided so as to be classified according to the type of information. Consideration is given so that various information can be easily identified by the driver.

In the payback 1 having such a configuration, generally, as shown in FIG. 5, a frame member 1 a for surrounding the periphery of the display unit is provided. The frame material 1 a is placed on the surface of the dial 2 so as to surround the periphery of the display unit 2 a such as a scale formed on the surface of the dial 2.
JP 2001-59741 A (page 4-7, FIG. 8)

However, in a display panel in which a large amount of information is displayed densely, a large number of display portions 2a are formed on the dial 2, and the payback 1 formed so as to expose these display portions 2a is the machine. Tend to decrease the mechanical strength. In particular, in the frame material 1a that is disposed between the adjacent display portions 2a so as to divide the plurality of display portions 2a and individually surrounds the display portions 2a, the design of the dial 2 is not impaired. As a result, the frame 1a has a strip shape with a narrow width with respect to its length, and has a low mechanical strength. For this reason, there is a possibility that the facing 1 may be deformed, for example, warping or sinking may occur in the frame material 1a when forming the facing 1.
Further, as described above, the dial 2 is only supported by the case 3 and is not engaged with the turn 1, and there is a possibility that a position shift occurs with respect to the turn 1 due to vibrations or the like accompanying traveling of the vehicle. It was.
When the dial 1 is deformed or the dial 2 is displaced with respect to the dial 1, the frame material 1a overlaps a part of the display portion 2a, for example, and the design of the dial 2 is damaged. There was a risk that the value would decrease.

The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a display panel provided with a turn- back that increases mechanical strength and prevents displacement of the dial .

To achieve the above object, a display panel according to the present invention is characterized by the following (1).

(1) A dial having a plurality of display portions for displaying various types of information, a case disposed on the back side of the dial, and supporting the dial, disposed on a surface of the dial, and the character A display panel having a plurality of windows for exposing the display portion of the plate, and the display is a display panel having a belt-like frame-like portion disposed between the windows. Projecting from the frame-shaped part to the back side of the dial and having a rib extending along the longitudinal direction of the frame-shaped part, the dial having a strip-shaped slot through which the rib passes. The case has a band-shaped recess that accommodates the protruding portion of the frame-shaped portion that penetrates the elongated hole of the dial .

According to the display panel described in the above (1), the facing rib is formed so as to protrude through the through hole provided in the region excluding the display portion of the dial plate and protrude to the back side of the dial plate. . In other words, the rib has a height that protrudes to the back side of the dial without being restricted by the dial, so that the mechanical strength of the facing is greatly improved, and thereby the deformation of the facing is reduced. Is prevented. And since this rib has penetrated the through-hole of the dial and engaged with the dial, the position shift of the dial with respect to turning is prevented.

Further, a frame member surrounding the periphery of the display section of the dial, by the plurality of display units are divided, various information displayed on a plurality of display portions is easily identified. The frame material having particularly low mechanical strength is reinforced by being provided with ribs, thereby preventing the frame material from being warped or sinked during facing molding.

In addition , a concave portion is formed in the case that is disposed on the back side of the dial plate and supports the dial plate and that accommodates the facing rib protruding through the through hole of the dial plate and projecting to the back side of the dial plate. Thereby, a rib can be formed still higher and the mechanical strength of reversal can be improved further. Further, the mechanical strength of the case can be improved as compared with the case where a hole through which the rib is inserted is provided in the case in order to avoid interference between the rib and the case.

  ADVANTAGE OF THE INVENTION According to this invention, the mechanical strength of a turning-back can be improved, and the position shift of the dial with respect to a turning-off can be prevented, and, thereby, the commercial value of a display panel can be raised.

  The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading through the best mode for carrying out the invention described below with reference to the accompanying drawings.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings.

  1 is an exploded perspective view of a display panel according to an embodiment of the present invention, FIG. 2 is a front view of the facing shown in FIG. 1, and FIG. 3 is an enlarged view of a main part of the turning, dial, and case shown in FIG. FIG. 4 is an exploded perspective view of a state before each member is assembled, and FIG. 4 is an enlarged perspective view of a main part in a state in which the turn, dial, and case shown in FIG. 3 are assembled.

First, a schematic configuration of the display panel 100 will be described with reference to FIG.
The display panel 100 includes a dial plate 17, a case 15 disposed on the back side of the dial plate 17, a back cover 11 disposed on the back side of the case 15 (the side opposite to the dial plate 17), The printed circuit board 13 accommodated between the back cover 11, the turn 19 disposed on the front side of the dial 17, and the front side of the turn 19 (on the side opposite to the dial 17 and on the driver side) A transparent cover 18 to be disposed.

  The dial plate 17 has a plurality of display portions 17a for displaying various information. As these display parts 17a, for example, a scale such as a vehicle speed display scale formed on the surface of the dial plate 17, an engine speed display scale, a fuel remaining amount display scale, a cooling water temperature display scale, a shift, etc. Examples include letters or symbols for displaying the position and various warnings, a window exposing a display surface of a liquid crystal display device that displays a cumulative mileage of the vehicle, and the like. The character or symbol portion for displaying the shift position and various warnings is translucent and shines when illuminated from the back side.

  The case 15 is formed of, for example, a synthetic resin, and includes a support base 15a on which the dial plate 17 is placed and supports the back surface of the dial plate 17, and a peripheral wall 15b provided upright on the outer peripheral edge of the support base 15a. Have. The outer shape of the support base 15 a is formed in substantially the same shape as the dial plate 17, and a plurality of engaging convex portions 15 c that engage with the outer peripheral edge portion of the dial plate 17 are provided on the outer peripheral edge portion thereof. These engagement projections 15c position the dial 17 with respect to the case 15.

  On the printed circuit board 13, a movement for instructing a scale such as a scale for displaying the vehicle speed and a scale for displaying the engine speed of the dial 17, a shift position of the dial 17, and various warnings are displayed. An LED that is a light source for illuminating characters or symbols from the back side, the liquid crystal display device, and the like are mounted.

  The back cover 11 is made of, for example, a synthetic resin, and is engaged with the case 15 by being locked to the peripheral wall 15 b of the case 15. A housing space for housing the printed circuit board 13 is defined between the case 15 and the back cover 11.

  The facing 19 is made of, for example, a synthetic resin, and is locked to the peripheral wall 15 b of the case 15 and assembled to the case 15.

  The transparent cover 18 is made of, for example, a transparent synthetic resin, covers the dial plate 17 and the dial 19 and prevents dust and the like from entering the display panel 100.

Next, the lookback 19 will be described in detail with reference to FIG.
The look 19 integrally includes a shielding portion 20 and a frame member 21 that are placed on the surface of the dial plate 17 and covers a non-display portion of the dial plate 17, and the driver includes the plurality of display portions 17 a of the dial plate 17. Are provided with a plurality of windows 23 formed as through holes that are separated by the shielding portion 20 and the frame member 21.

  Of these windows 23, the window 23a is, for example, a speedometer exposure window that exposes the vehicle speed display scale, and the window 23b is, for example, a tachometer exposure window that exposes the engine speed display scale. , Both are defined in a circular shape in plan view. The speedometer exposure window 23a and the tachometer exposure window 23b for displaying the vehicle traveling speed and the engine speed, which are highly important when driving the vehicle, are more easily compared with other windows 23 so that the driver can easily see the speedometer. The peripheral edge portion is surrounded by an annular frame member 21 that also serves as a decoration.

  A window 23c adjacent to the speedometer exposure window 23a with the frame member 21 in between is, for example, a gasoline meter exposure window that exposes the fuel remaining amount display scale, and defines the gasoline meter exposure window 23c. The side edge on the side of the window 23a is an arc portion 21a of an annular frame member 21 surrounding the window 23a. That is, the speedometer exposure window 23a and the gasoline meter exposure window 23c are divided by the arc portion 21a. The arc portion 21a is disposed between the speedometer exposure window 23a and the gasoline meter exposure window 23c adjacent to each other.

  The window 23d adjacent to the tachometer exposure window 23b exposes the cooling water temperature display scale, for example, and the window 23e provided between the speedometer exposure window 23a and the tachometer exposure window 23b is For example, the shift position display characters are exposed, and the window 23f provided between the speedometer exposure window 23a and the tachometer exposure window 23b exposes the various warning display symbols, for example. For example, 23g exposes the display surface of the liquid crystal display device.

  As described above, the turn-back 19 is provided with a plurality of densely arranged windows 23. The speedometer exposure window 23a and the gasoline exposure window 23c are separated from each other so as to separate the speedometer exposure window 23a and the gasoline meter exposure window 23c adjacent to each other. The arc portion 21a of the frame member 21 arranged between the meter exposure window 23c has a strip shape with a width W narrower than its length L.

  In this embodiment, as shown in FIGS. 3 and 4, the strip-shaped arc portion 21 a of the frame member 21 surrounding the window 23 a has a back surface (facing the dial 17 so as to reinforce the arc portion 21 a). The ribs 22 projecting toward the dial 17 from the surface of the arc portion 21a are provided along the longitudinal direction of the arc portion 21a (in other words, the circumferential direction). In addition, although illustration is abbreviate | omitted, the circular arc part 21a arrange | positioned between the window 23b and the window 23d of the frame 21 surrounding the window 23b shown in FIG. 2, and the window 23a and the window 23e of the frame 21 surrounding the window 23a. And arc portions 21b and 21c disposed between the window 23g and the arc portions 21b and 21c disposed between the window 23b and the window 23e and the window 23g of the frame member 21 surrounding the window 23b. Similarly, ribs 22 are provided. Hereinafter, the strip-shaped arc portion 21a of the frame member 21 surrounding the window 23a and its peripheral portion will be described as a representative.

  In the region of the dial plate 17 covered by the arc portion 21a of the frame member 21 surrounding the window 23a, an arc-shaped long hole 27 penetrating the dial plate 17 is provided. When the turn 19 is arranged on the front surface of the dial 17, the rib 22 passes through the long hole 27 and projects to the back side of the dial 17.

  The support 15a of the case 15 on which the dial 17 is placed and supports the back surface of the dial 17 is a recess 25 formed in a portion exposed by the elongated hole 27 in a direction away from the dial 17. have.

  When the dial 17 is placed on the support 15 a of the case 15 and the turn 19 is placed on the surface of the dial 17 and assembled to the case 15, the rib 22 penetrates the elongated hole 27 of the dial 17. Then, it protrudes to the back side of the dial 17 and is accommodated in the recess 25 of the case 15. Further, the plurality of display portions 17 a of the dial 17 are exposed to the driver from the corresponding window 23 of the look 19, and the non-display portion of the dial 17 is covered with the shielding portion 20 and the frame material 21.

  As described above, according to the display panel 100 of the present embodiment, the rib 22 penetrates the long hole 27 provided in the region excluding the display portion 17a of the dial 17 and protrudes to the back side of the dial 17. It is formed to do. That is, the rib 22 has a height that protrudes to the back side of the dial plate 17 without being restricted by the height of the dial plate 17, so that the mechanical strength of the turn-back 19 is greatly improved. The deformation of the turn-back 19 can be prevented. And since this rib 22 penetrates the long hole 27 of the dial plate 17 and is engaged with the dial plate 17, the position shift of the dial plate 17 with respect to the turning-back 19 can be prevented.

  The look 19 is provided with a frame member 21 that surrounds the display portion 17a of the dial plate 17. By dividing the plurality of display portions 17a, various information displayed on the plurality of display portions 17a. Can be easily identified. The frame member 21 having particularly low mechanical strength is reinforced by being provided with ribs 22, thereby preventing the frame member 21 from being warped or sinked when forming the turning 19. Can do.

  And the rib 22 is provided along the longitudinal direction of the frame material 21, and, thereby, the deformation of the frame material 21 can be prevented more reliably.

  Further, the case 15 disposed on the back surface side of the dial plate 17 and supporting the dial plate 17 accommodates the ribs 22 of the turn-up 19 that pass through the long holes 27 of the dial plate 17 and protrude to the back surface side of the dial plate 17. A recess 25 is formed. As a result, the ribs 22 can be formed higher, and the mechanical strength of the turning back 19 can be further improved. Further, the mechanical strength of the case 15 can be improved as compared with the case where a hole through which the rib 22 is inserted is provided in the case 15 in order to avoid interference between the rib 22 and the case 15.

  Note that the present invention is not limited to the described embodiment, and can be appropriately modified, improved, and the like. In addition, the material, shape, dimension, numerical value, form, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  For example, the rib 22 has been described as being provided on the frame member 21 surrounding the display portion 17a of the dial plate 17; Play.

It is a disassembled perspective view of the display panel which is one Embodiment of this invention. It is a front view of the turning shown in FIG. FIG. 2 is an enlarged view of a main part of the look, dial, and case shown in FIG. 1 and is an exploded perspective view of a state before each member is assembled. It is a principal part expansion perspective view of the state in which the turning shown in FIG. 3, the dial, and the case were assembled | attached. It is a principal part expansion perspective view of the state in which the look, dial, and case were assembled | attached to the prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Display panel 15 Case 17 Dial 17a Display part 19 Lookback 20 Shielding part 21 Frame material 22 Rib 23 Window 25 Recessed part 27 Slot (through hole)

Claims (1)

A dial having a plurality of display units for displaying various information ;
A case disposed on the back side of the dial and supporting the dial;
A reversal provided with a plurality of windows disposed on the surface of the dial and exposing the display portion of the dial;
A display panel having a strip-shaped frame-like portion disposed between the windows,
The facing has a rib that protrudes from the frame-shaped part to the back side of the dial and extends along the longitudinal direction of the frame-shaped part,
The dial has a strip-like long hole that penetrates the rib,
The display panel according to claim 1, wherein the case has a strip-shaped recess that accommodates a protruding portion of the frame-shaped portion that penetrates the elongated hole of the dial.

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