JPH0245780Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a display device installed in various indicating instruments such as vehicular instruments, marine instruments, and agricultural machinery instruments.

In general, these types of instruments include a speedometer that displays an overspeed warning, a tachometer that displays an engine overspeed detection display, and a fuel gauge that displays a warning that the fuel level is remaining. A display device is provided that centrally informs the driver of the failure location of each part and the operating status of various devices. In the event of an abnormality in these measured quantities or in various operating conditions, a lamp is lit to notify the user.

For example, let's take the fuel gauge of a car as an example.
This will be explained with reference to the drawings and FIG. In the same figure,
A lower bearing 2 is formed on a frame 1 made of an electrically insulating material, and two main plate support portions 3 are provided upwardly projecting from the frame 1.
A bearing plate 4 is installed on this dial support portion 3 .

The lower end of the pointer shaft 5 is rotatably supported by the lower bearing 2, and the upper end of the pointer shaft 5 is inserted into an upper bearing hole 4A formed in the bearing plate 4 and rotatably supported.

A pointer 6 is press-fitted into the upper end of the pointer shaft 5, and a lever 7 is fixed in the middle thereof, and a slit 8 is formed in the lever 7.

Further, a U-shaped bimetal 12 having a temperature compensation part 9 and a movable leg part 11 around which a heating wire 10 is wound,
One end of the temperature compensator 9 is fixed to an adjustment plate 13 mounted on the frame 1, and a pin 14 is welded to the tip of a movable leg 11 around which a heating wire 10 is wound, and this pin 14 is fixed to the pointer shaft 5. The movable legs 11 of the bimetal 12 are slidably engaged with the slits 8 of the lever 7, and the movable legs 11 of the bimetal 12 bend in response to the amount of heat generated by the heat source 10, rotating the lever 7, and transmitting the instructions of the pointer 6 with the above characters. It is read by comparing it with display parts such as scales and symbols formed on the dial plate 15 attached to the plate support part 3.

Further, a terminal 16 is attached to the end of the insulating frame 1, and the end of the hot wire 10 wound around the bimetal 12 is connected to the terminal 16 to constitute a bimetal indicator.

The indicating instrument is housed in an instrument case 17,
Connect the printed wiring board 18 disposed on the outside bottom of the instrument case 17 and the terminal 16 of the indicator with the screw 1.
They are electrically and mechanically connected and fixed by 9.

By the way, if the height dimensions of various indicating instruments are different from the depth dimension of the instrument case 17, it is necessary to align the mounting positions of the dials of each indicating instrument. A spacer 20 is interposed between the bearing plate 4 and the dial 15, which are disposed overlappingly on the dial support 3 on the main body side of the instrument, to set the mounting position of the dial 15.

Further, as shown in FIG. 2, a configuration is adopted in which a part of the instrument dial 15 is used to display a warning about the occurrence of an abnormality in related information. That is, when refueling is required due to a decrease in the remaining amount of fuel, the E point indicator 15A of the dial 15 is formed to be transparently illuminated, and a warning display cylinder 21 is disposed below the indicator 15A. An instrument case 1 is provided on the lower end side of this cylinder 21.
Lighting lamp 2 inserted and held from the outside of 7
2 is disposed, and a colored lens 23 is attached to the upper end of the cylindrical body 21 facing the indicator portion 15A. Note that 24 is a fixing screw for assembling and fixing the bearing plate 4, spacer 20, and dial 15 on top of each other on the dial support portion 3.

Therefore, under normal conditions, the colored lens 23
The color of the E point display index section 15A corresponding to the E point display index section 15A printed on the dial plate 15 can be seen as it is, but when the amount of fuel decreases, the illumination light 22 is turned on by the operation of various devices in the vehicle, and this illumination The colored lens 23 is illuminated and displayed by the light rays, and at the same time, the color of the colored lens 23 appears bright on the display index section 15A, allowing the driver to clearly know the situation of the vehicle.

Therefore, in the case of an indicating instrument having the above configuration,
It is necessary to separately provide a spacer 20 for setting the attachment position of the dial 15 of the indicating instrument and a cylinder 21 of the display device attached to the indicating instrument, and to assemble and hold them in the instrument case 17, which is difficult to assemble during the assembly process. It can be time consuming.

This idea solves the above problem by storing the main body of the indicating instrument in the instrument case, attaching and fixing a dial to the upper side of the main body, and forming an index part for warning display on this dial. A cylindrical body for warning display is disposed below the indicator part, and an illumination light is arranged at the lower end of the cylindrical body, which is housed in the instrument case, and the main body of the indicating instrument. A spacer is provided between the instrument body and the dial to set the mounting height of the dial to be attached to the top, and this spacer and the warning display cylinder are integrally connected and molded. At the same time as installing the spacer, a cylinder for warning display is assembled and placed.
The purpose is to reduce the number of man-hours required to assemble the indicating instrument.

An embodiment of this invention will be described below with reference to FIGS. 3 to 5.

In the case of fuel gauges for automobiles, a lower bearing 2 is formed protruding from a frame 1 formed of an electrically insulating material, and two dial support parts 3 are protruded upward from the frame 1. A bearing plate 4 is installed on this dial support portion 3.

The lower end of the pointer shaft 5 is rotatably supported by the lower bearing 2, and the upper end of the pointer shaft 5 is inserted into an upper bearing hole 4A formed in the bearing plate 4 and rotatably supported.

A pointer 6 is press-fitted into the upper end of the pointer shaft 5, and a lever 7 is fixed in the middle thereof, and a slit 8 is formed in the lever 7.

Further, the U-shaped bimetal 12 has a temperature compensating part 9 and a movable leg part 11 around which a heating wire 10 is wound.
One end of the temperature compensator 9 is fixed to an adjustment plate 13 mounted on the frame 1, and a pin 14 is welded to the tip of a movable leg 11 around which a heating wire 10 is wound, and this pin 14 is fixed to the pointer shaft 5. The movable legs 11 of the bimetal 12 are engaged with the slits 8 of the lever 7 so as to be slidably movable, and the movable legs 11 of the bimetal 12 are bent in accordance with the amount of heat generated by the hot wire 10 to rotate the lever 7, so that the instruction of the pointer 6 is translated into the above-mentioned letters. Dial plate 1 attached to plate support 3
In this case, when refueling is required due to a decrease in the remaining fuel level, the E point display on the dial 15 is read in comparison with the display section 15A for warning display. It is formed as

In addition, a terminal 1 is provided at the end of the insulating frame 1.
6 is attached, and the end of the hot wire 10 wound around the bimetal 12 is connected to this terminal 16 to constitute a bimetal indicator.

The indicator is housed in an instrument case 17, and a printed wiring board 18 wired on the outside bottom of the instrument case 17 and a terminal 16 of the indicator are electrically and mechanically connected and fixed by screws 19. In general, the instrument case 17 contains various indicating instruments such as bimetal indicating instruments, eddy current indicating instruments, movable wire indicating instruments, and crossed coil indicating instruments, which have different height dimensions. When aligning the mounting height positions of the dials of each indicator,
A spacer is interposed between the dial and the main body of the indicating instrument, which has a short height dimension, and the mounting position thereof is determined.

In this case, in the case of the above-mentioned bimetal indicating instrument, a spacer 20A is interposed between the bearing plate 4 and the dial 15, which are disposed overlappingly on the dial support part 3 on the instrument body side, so that the dial 15 can be I am trying to set the mounting height position.

Further, a warning display cylinder 21A is disposed below the warning display index part 15A provided on the dial 15, and this cylinder 21A and the spacer 20A are integrally connected by a bridge part 25. Connected and formed. Also, an instrument case 17 is provided at the lower end of the cylinder 21A.
A lighting lamp 22 inserted and held from the outside of the
is disposed, and a colored lens 23 is attached to the upper end of the cylindrical body 21A, facing the indicator portion 15A.

Therefore, under normal operating conditions, the dial 1
The color of the indicator portion 15A printed on the cylindrical body 21A can be seen as it is, but when the amount of fuel decreases, the illumination light 22 is turned on by the operation of various devices in the vehicle, and this illumination light is guided into the cylinder body 21A and colored. lens 2
3 is displayed by illumination, and at the same time, the color of the colored lens 23 on the indicator portion 15A appears to stand out brightly, allowing the driver to clearly know the situation of the vehicle.

In this case, the colored lens 23 is attached to the index portion 15A.
Although the dial 15 is individually disposed facing the dial 15, it may be formed by printing a warning display on the dial 15.

In addition, during assembly, a bearing plate 4 is placed on the dial support part 3 on the main body side of the bimetal indicating instrument, a spacer 20A is placed on top of this bearing plate 4, and a dial plate 15 is placed on the spacer 20A.
By placing it on 0A and tightening it with the fixing screw 24, the instrument body side and the dial plate 15 can be fixed, and at the same time, the warning display cylinder 21A, which is connected by the bridge part 25 and formed Assembling can be performed, and the number of parts can be reduced and the assembly process can be prevented from becoming complicated.

Further, although the above-described embodiments have been described using a bimetal indicator as an example, the present invention can also be applied to a crossed coil type indicator or the like.

[Brief explanation of drawings]

Fig. 1 is a sectional view showing an indicating instrument of a conventional device, Fig. 2 is a front view of the dial of Fig. 1, and Fig. 3 is an exploded perspective view, partially in section, showing an embodiment of this invention. , FIG. 4 is a front view of the dial of FIG. 3, and FIG. 5 is a sectional view schematically showing the assembled state of FIG. 3. Frame: 1, dial support: 3, bearing plate: 4, pointer shaft: 5, pointer: 6, lever: 7, slit: 8, pin: 14, dial: 15, indicator: 15A, instrument case: 17, Spacer: 20
A, Cylinder: 21A, Lighting light: 22, Fixing screw: 2
4. Bridge part: 25.

Claims (1)

[Scope of utility model registration request] The main body of the indicating instrument is housed in the instrument case, a dial is attached and fixed to the upper side of the main body, and an indicator part for warning display is formed on the dial,
A cylindrical body for warning display is disposed below the indicator part, and an illumination light is disposed at the lower end of the cylindrical body, which is housed in the instrument case,
In addition, a spacer is provided between the instrument body and the dial to set the mounting height of the dial to be attached to the upper part of the indicating instrument body, and the spacer and the warning display cylinder are integrated. An indicating instrument characterized by being molded in a connected manner.