JPH0350831Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention calculates the amount of liquid in the container installed inside the exterior body.
This invention relates to a liquid level display device for a pot that can be easily checked from the outside.

(Prior Art) Conventionally, a liquid level display device of this type that allows the liquid level to be easily checked even in a dark place has been proposed, for example, in Japanese Utility Model Application Publication No. 61-34425.

As shown in FIG. 4, this proposal consists of a container 31 containing a liquid, an exterior body 32 in which the container 31 is placed, and a panel 33 provided on the exterior body 32 and having a vertically elongated display window 34. , a display window 34 which is in communication with the container 31 and is erected on the outside of the container 31.
A transparent liquid level display tube 35 located opposite behind the
A scale bar 36 which is located behind the display tube 35 and is made of a light guide and has a plurality of scale grooves, and the scale bar 3
6, and a light absorbing plate 37 provided behind the scale bar 36.
When you look at the screen, you can see the light reflected by the scale kerf, but since the refractive index of the light differs depending on the water level in the liquid level display tube 36, it looks particularly bright in areas below the water level, making it easy to read even in dark places. It is now possible to check.

(Problem to be solved by the invention) By the way, in the above proposal, the cross-sectional shape of the scale bar 36 is not specified, and if the cross-sectional shape of the scale bar 36 were to be circular, the field of view would be The range a is narrow, and if you look a little laterally from the front of the display window 34, you won't be able to see the display, causing the inconvenience of not being able to check the liquid volume. If the size of the pot is increased, the distance b between the container 31 and the liquid volume display tube 35 must be increased, resulting in an increase in the size of the pot.

However, in the present invention, the viewing range of the display can be expanded without increasing the size of the pot.

(Means for Solving the Problems) The content of the present invention will be explained below with reference to FIGS. 1 to 3, which correspond to embodiments.

An exterior body 2 provided with a panel 3 having a vertically elongated display window 4, a container 1 installed inside the exterior body 2 and containing a liquid, and a container 1 that is in communication with the container 1 and erected on the outside of the container 1. A transparent liquid level display tube 6 located opposite to the back of the display window 4, a scale rod 10 made of a light guide and having a plurality of scale grooves 12 behind the liquid level display tube 6, and the scale. In a pot liquid level display device equipped with a light source 13 located opposite to the end face of a rod 10, the scale rod 10 has a triangular cross section. Then, one surface of this scale bar 10 is connected to the liquid level display tube 6.
The two remaining faces are provided with scale grooves 2.

(Function) In the above configuration, from the display window 4 to the liquid amount display window 6
When looking at the scale bar 10 through the scale, the light reflected by the scale groove 12 has a different refractive index depending on the water level in the liquid level display tube 6, so it appears larger and clearer in areas lower than the water level. You can easily check the liquid level.

Even though the scale bar 10 has a small depth dimension C, the viewing range A can be expanded, so the liquid level can be checked when viewed from the front a little laterally.

(Embodiment) The embodiment of the present invention shown in FIGS. 1 to 3 will be described in detail below.

1 is a container for storing liquid; 2 is an exterior body in which the container 1 is placed; 3 is a vertically elongated display window 4 provided in the exterior body 2
5 is a transparent protection member having a substantially semicircular cross section that fits into the display window 4 of the panel 3 from behind and projects onto the surface of the panel 3; 6 is the back of the display window 4, that is, the protection member 5; A transparent liquid level display tube located opposite to the rear of the container 1, whose upper and lower ends are connected to the container 1 through elbow joints 7, 7, and is erected and supported on the outside of the container 1. It is in communication with container 1. Reference numeral 8 denotes a cover part formed by bending a part of the exterior body 2 inward into a substantially semicircular shape, and has a vertically long groove 9 and covers the back of the liquid level display tube 6 and the scale bar described later. . Reference numeral 10 denotes a scale rod whose upper and lower ends are supported by the cover part 8 through support cases 11, 11, and which is located opposite to the back of the liquid level display tube 6, and is formed with a triangular cross section by a light guide such as acrylic resin. is,
One surface thereof faces the liquid quantity display tube 6, and a plurality of scale grooves 12 are formed on the remaining two surfaces at equal intervals in the axial direction. 13 is the lower support case 1
1 is a built-in light source located opposite to the lower end surface of the scale bar 10.

Incidentally, the inner surface of the covering portion 8 is made black, for example, so that it can absorb light.

In the above configuration, the scale bar 10 is formed to have a triangular cross section, one surface thereof faces the liquid level display tube 6, and the remaining two surfaces are provided with the scale cut grooves 12, so that the viewing range of the display is Since A is enlarged and the depth C of the scale bar 10 itself can be kept small, there is no need to increase the distance B between the scale bar 10 and the container 1, and the size of the pot can be suppressed. .

(Effects of the invention) As described above, according to the configuration of the present invention, the liquid level can be easily checked even in a dark place, and the viewing range of the display can be expanded compared to the conventional method, and the pot size can be increased. This is an excellent idea in practical terms.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view showing a liquid level display device in an embodiment of the present invention, FIG. 2 is a schematic cross-sectional view of the same, and FIG.
Figures a and b are views showing the same scale bar, and Figure 4 is a schematic cross-sectional view showing a conventional liquid level display device. 1: Container, 2: Exterior body, 3: Panel, 4: Display window, 6: Liquid level display tube, 10: Scale bar, 12: Scale kerf.

Claims (1)

[Scope of utility model registration request] an exterior body provided with a panel having a vertically elongated display window; a container installed inside the exterior body and containing a liquid;
A transparent liquid volume display tube that communicates with the container, stands upright on the outside of the container, and is located opposite behind the display window, and has a plurality of scale grooves located behind the liquid volume display tube. In a device equipped with a scale bar made of a light guide and a light source located opposite to the end face of the scale bar, the scale bar is formed to have a triangular cross section, and one surface of the scale bar is attached to the liquid level display tube. A liquid level display device for a pot, characterized in that the remaining two faces are provided with scale grooves.