JPS605112A - Electric pot - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an electric kettle having a heat retention function.

Conventional configuration and its problems Conventionally, this type of electric pot has a configuration in which, for example, air is forced into the container by compressing a bellows, and the hot water in the container is poured out using this air pressure, without tilting the pot body. Although hot water can be obtained, the temperature of the poured hot water is lost as it is absorbed by a container such as a cup, causing the inconvenience of having to warm up the container beforehand, especially when brewing coffee, tea, etc. was. Furthermore, there was a problem that the temperature of the hot water (coffee, tea, etc.) that was poured out decreased over time.

Hereinafter, the above-mentioned conventional electric kettle will be explained with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a cylindrical container with a bottom, and a band-shaped main heater 2 and an auxiliary heater 3 are integrally attached to the outer periphery of the bottom of the container 1.

A main temperature regulator 4 is provided above the heaters 2 and 3 on the outer periphery of the container 1, and controls the energization of the main heater 2. Reference numeral 6 denotes an auxiliary temperature regulator, such as a thermal reed switch (TR8), which is mounted under pressure on the bottom surface of the container 1 together with a temperature overrise prevention device 7 by a presser spring 6, and controls the energization of the auxiliary heater 3. The upper end of the container 1 is provided with a flange portion 8 extending in the outer corner direction, and a container backing 9 is provided.
A spout 1o is provided through the G. Reference numeral 11 denotes a body on which spout 10 is placed, and is formed into a cylindrical shape so as to cover container 1.

Reference numeral 12 denotes an inner lid placed on the flange portion 8 of the container 1 via a seal backing 13, and a valve seat 16 containing a valve 14 to prevent liquid from flowing out in the event of an overturning at approximately the center, from the valve seat 16 to the container 1. A rising water pipe 1 that extends to the bottom of the water pipe and opens its tip.
6 and a spouting pipe 18 which extends outward from the valve seat 15 and has a discharge port 17 at its tip opening, and is integrally formed with the inner lid main body 19. Reference numeral 2o denotes a decorative frame provided on the back side of the inner lid main body 19, which locks the seal backing 13 to the inner lid 12.

Reference numeral 21 denotes an upper lid which is provided to be openable and closable by a pivot 22 at the rear of the spout 1o, and a bellows 23 is installed approximately in the center thereof. The bellows 23 is equipped with a return spring 24, and a check valve 26 is provided inside the cylindrical portion 25 of the upper opening of the bellows 23, which is pressed open by a valve spring 27. Reference numeral 28 denotes two pushers which are restrained upwardly by the return spring 24 and the valve spring 27, and which can be raised and lowered by hand to descend against the springs. 29 indicates a protective plate for the bellows 23.

30 is the upper lid 2 engaged with the boss 31 at the bottom of the bellows 23;
A lid backing 32 is provided at the lower end of the boss 31 of the bellows 23, and when the upper lid 21 is closed, it communicates with an air hole 33 provided approximately at the center of the inner lid main body 19 of the inner lid 12, and the bellows 23 communicates with the inside of the container 1 via the air hole 33.

34 is a lifting/lowering regulating lever for the pushing body 28, and 36 is a top lid 1.
2 shows the lock lever when closed.

36 is a water level gauge that reads the water level in the container 1, 38 is @
The hook provided in contact with the lower end of the body 11 is not shown. Reference numeral 39 is a plug receiver provided at the lower end of the body 11, and a plug 40 for an instrument is detachably provided therein.

The operation of the electric kettle constructed as above will be explained below.

When a certain amount of water is put into the container 1 and electricity is started, the main heater 2 and the auxiliary heater 3 start boiling the water in the container 1. When the water boils and reaches the set temperature of the main temperature regulator 4, the main heater 2 is turned off by the operation of the main temperature regulator 4.
Power is cut off.

The auxiliary temperature regulator 6 also operates before and after the operation of the main temperature regulator 4, but the operating temperature range of the auxiliary temperature regulator 6 is narrower than that of the main temperature regulator 4, and the temperature range of the hot water in the container 1 varies. Due to the drop, only the auxiliary temperature regulator 6 operates again and the energization to the auxiliary heater 3 is restarted. Here, the heat generation capacity of the auxiliary heater 3 is set to be slightly smaller than that of the main heater 2.

Therefore, the temperature of the hot water in container 1 rises slowly.

Thereafter, by repeating this process, the water (hot water) in the υ container 1 is kept at an appropriate temperature.

Next, when the pusher 28 of the upper lid 21 is pressed as required for hot water, the bellows 23 is compressed and air is forced into the container 1. The hot water in the container 1 is pressed by this air pressure and is discharged from the discharge port 17 via the rising pipe 16.

However, even though the discharged hot water was kept at an appropriate temperature within the container 1, heat was absorbed by the container and the like and the temperature dropped, making coffee, tea, etc. taste bad.

OBJECTS OF THE INVENTION In view of the above-mentioned conventional drawbacks, the present invention provides an electric kettle that can keep the discharged heated liquid at an appropriate temperature.

Structure of the Invention In order to achieve the above-mentioned object, the present invention includes a bottomed cylindrical container containing a liquid to be heated, a heating element for heating the liquid to be heated, one of which is opened at the bottom of the container, and the other. a discharge device that opens on the outside of the container; a pump device that discharges the heated liquid in the container through the discharge device; This electric kettle has a heat-retaining and heating device for the liquid to be heated that can be folded freely on the side surface close to the pot body.

With this configuration, the discharged heated liquid is kept at an appropriate temperature by the heat-retaining heating device via a receiving container such as a cup.

DESCRIPTION OF THE EMBODIMENTS Next, an embodiment of the present invention will be described with reference to FIGS. 2, 3, and 4. Note that the same members as in FIG. 1 described above are given the same reference numerals as in FIG. 1, and their characteristic configurations will be explained below.

In the figure, 6Q is a height provided in contact with the lower end of the body 11; : Pivot 5 on the front side of 50
1 is provided with a foldable heat insulating plate 62. This heat insulating plate 52 is connected to the pivot shaft 61 that engages with the hook 6o.
There is also a heat insulating plate main body 53 integrally formed of synthetic resin or the like, and an opening 6 at the top of this heat insulating plate main body 53.
A heat insulating plate 66 made of an aluminum plate or the like with good heat conduction is provided so as to cover the opening 54 and is biased toward the opening 54 by a plate-shaped biasing spring 58 together with a heat insulating heater 67 via a plate backing 56. .

Note that 59 indicates the back plate of the heat insulating plate 62.

60 is the heat insulation plate 62 provided inside the idiot 50.
When the heat insulating plate 62 is deployed, the movable contact 61 of the switch 60 is pressed at the rear of the heat insulating plate main body 63 to short-circuit with the fixed contact 62, and the heat insulating heater 5
The structure is such that the electrical circuit No. 7 is closed.

63 is a filter (-) provided below the discharge port 17 by being engaged with a hook 64 provided on the front surface of the body 11; a filter main body 66 made of transparent or semi-transparent synthetic resin; A valve 67 is provided at the bottom opening 66 of the strainer body 65, and a spouting knob 68 is provided so as to adjust the amount of liquid poured out from the opening 66 by sliding the valve 67 downward. A pivoted cam 69, a lever 70 that slides on the cam surface of the cam 69 to position the valve 67, and a lever spring that presses and biases the lever 70 to constantly bias the valve 67 upward. 71. R2 shows a mesh filter that is engaged with a plurality of locking pieces 74 provided on the lid T3.

FIG. 6 is an electrical circuit diagram of this electric kettle, showing the main heater 2 and main temperature controller 4, the auxiliary heater 3 and auxiliary temperature controller, and the insulating heater 67 and switch 6o connected in series. The circuits are connected in parallel, and one of the circuits is connected to a power source through an overtemperature rise prevention device 7, respectively.

The operation of the electric kettle constructed as above will be explained below.

As in the conventional example, after a certain period of time has elapsed after the start of energization, boiling of the water is completed and the water is kept warm.

Here, when attempting to brew tea, black tea, coffee, etc., the heat insulating plate 62 pivotally attached to the pot 60 is rotated until it is in a horizontal state, and the switch 60 activates the electric circuit of the heat insulating heater 67. is closed, and energization of the heat-retaining heater 67 is started. Furthermore, tea, black tea, coffee, etc. are poured into the filter 72 of the strainer 63 and set in the strainer body 66, and a cup or other container is placed in the heat insulating plate 66 of the heat insulating plate 62 below the bottom opening 66 of the strainer body 65. 75 to complete the preparation.

Next, the pouring knob 68 of the strainer 63 is turned to "close" to close the valve 67 and press the pushing body 28 to compress the bellows 23 and pour hot water into the filter 72 from the discharge port 17. This boiling water makes tea.

Extraction of tea, coffee, etc. is filtered through a filter 72,
It is stored in the strainer body 66. Thereafter, by rotating the pouring knob 68 to set it to "half-open" or "open" as appropriate, the valve 67 is opened or closed to control the pouring speed according to the extract and drip into the receiving container 75. to complete the extraction.

Here, the extract in this receiving container 75 is kept at an appropriate temperature by a heat insulating heater 67 via a heat insulating plate 66, so that it can be served deliciously.

As described above, according to this embodiment, since the heat insulating plate 52 is rotatably attached to the scale 150, the brewed tea, black tea, coffee, etc. can be kept at an appropriate temperature and served deliciously. In addition, when storing the electric kettle, the storage space can be reduced by folding the heat insulating plate 62.Furthermore, by rotating the heat insulating plate 62 when extracting hot water, the outlet 17 and the body 11 can be The space inside is the same as before.

It is not to say that the same effect can be obtained even if the heat insulating plate pivotally attached to the frame is housed on the same surface as the outer surface of the body when folded.

Effects of the Invention As described above, the present invention provides a cylindrical container, a heating element that heats the liquid contained in the container, and a heating element for heating the liquid stored in the container, one of which is opened at the bottom of the container and the other of which is opened at the outside of the container. By constructing a discharge device and a heat-retaining device for the liquid discharged from the discharge device that can be folded at the bottom of the pot body, the discharged liquid is kept at an appropriate temperature and can be served deliciously. However, when storing the electric kettle, the storage space can be reduced by folding the heating device, which is of great value.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view of a conventional electric kettle, FIGS. 2 to 6 show an electric kettle according to an embodiment of the present invention, FIG. 2 is a cross-sectional view, FIG. The figure is a perspective view, and FIG. 6 is an electric circuit diagram. 1... Container, 2... Main heater, 16.
...Rising pipe, 18...Pouring pipe, 2
3...Bellows, 40...Measurement, 52
...Heat plate. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 Figure 3 Figure 4 Figure 2.9 2

Claims (1)

[Claims] A cylindrical container with a bottom that accommodates a liquid to be heated, a heating element that heats the liquid to be heated, and a discharge device for the liquid to be heated having one side opened at the bottom of the container and the other side opened outside the container. ,
A pump device that discharges the liquid to be heated from inside the container to the outside of the container via the discharge device, and a pot body below the opening of the discharge device on the outside of the container are provided with a pump device for discharging the liquid to be heated from inside the container to the outside of the container via the discharge device. An electric bot with a heat-retaining heating device that can be folded freely on the side of the pot body.