JP3032738B2 - an electronic pot - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric pot having an exterior body and an inner container which can be freely inserted into and removed from the exterior body, and which has a water heating function and a heat retaining function.

[0002]

2. Description of the Related Art Some electric pots having a function of boiling water and a function of keeping heat are provided with an inner container which can be freely inserted into and removed from an outer casing for the purpose of washing and drying the inner container. No. 24028).

In this electric pot, the hot water in the inner container is poured by operating a bellows pump provided in a lid of an exterior body by pushing a pressing member provided on an outer surface of the lid. This is performed by pressurizing hot water in the inner container.

[0004]

However, in such a system, the amount of the liquid to be poured out by one pushing operation is limited, and the pushing of the pressing member must be performed several times in order to pour a large amount of hot water. Also need to be repeated, which is troublesome.

In an electric pot in which an exterior body and an inner container are integrated, an electric pump is used in place of the bellows pump, so that an arbitrary amount of hot water can be poured in one operation. However, there is no electric kettle in which an electric pump is used in an electric pot of a type in which an inner container is freely put in and out of an exterior body. The reason is considered as follows.

In other words, in order to use the electric pump in an electric pot in which the inner container can be freely moved in and out, it is easy to attach the electric pump to the outer casing or the inner vessel. However, the electric pump is attached to the outer casing. In this case, when the inner container is placed in the outer casing, it is extremely difficult to make the suction port of the casing of the electric pump and the outlet of the inner container communicate with each other without leakage. Conversely, if the electric pump is attached to the inner container, water will be applied to the motor when washing the inner container,
Failure to do so may cause a failure.

An object of the present invention is to provide an electric pot that solves the above problem.

[0008]

SUMMARY OF THE INVENTION An electric pot according to the present invention comprises an exterior body, and an electric pot which is put in and out of the exterior body.
And the liquid in the inner container
A pumping passage that leads to the spout provided at the top of the exterior
An electric pot provided between the exterior body and the inner container,
An impeller interposed in the pumping passage to pump the liquid
A driven part provided, and outside the pumping passage corresponding to the driven part
From the electric motor that drives the impeller in a non-contact manner
Form an electric pump, the driven part is fixed to the inner container
At the same time, the motor is fixed to the exterior body,
In the case of taking out from the outer casing, the driven part is the electric motor
And in a state where the above inner container is put in the exterior body
Is located between the inner container and the outer package as the electric pump.
Is placed .

Further, the electric pump is a magnet pump capable of separating a driving part and a driven part when the inner container is put in and out of the exterior body, and the magnet pump is provided between the driving part and the driven part. Magnetic coupling means for intermittently transmitting the rotational force of the electric motor in the prime mover to the shaft of the impeller of the driven part separately and independently is provided.

According to the electric pot of the present invention,
Since the electric pump for discharging the liquid in the inner container from the spout provided in the outer package is provided, the amount of the liquid to be dispensed can be arbitrarily set by operating a switch of the electric pump.

Further, the electric pump includes a driving portion provided on the outer body and having a motor, and a driven portion provided on the inner container and having an impeller driven by the driving portion. There is no need to mechanically connect the inner part and the inner part, and there is no hindrance to getting the inner container out of the exterior body. Therefore, when the inner container is taken out of the outer package for washing, only the driven portion is attached to the inner container, and the driving portion is held in a state of being attached to the outer package. In addition, the torque of the electric motor can be transmitted to the driven part without contact without directly connecting the driven part and the driven part by magnetic coupling.

Further, when the inner container is taken out of the outer package and washed, water is not applied to the motor, so that failure of the motor due to water leakage can be prevented.

Furthermore, when the inner container is put into the outer casing again, the driven part is necessarily located on the driving part,
Hot water can be poured by a switch operation.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings.

FIGS. 1 and 2 show the overall configuration of an electric pot according to the present invention, and FIG. 3 shows a main part thereof. In the following description, the pouring section side, that is, the left side in FIG. 2 is referred to as front, and the opposite side is referred to as rear. Also, the left and right may be toward the rear, and the left and right in FIG.

In FIGS. 1 and 2, the electric pot is
Cylindrical body (2) with open upper end and closed lower end
And a cover (3) having a rear end pivotally attached to a rear end of an upper end of the cylindrical main body (2) and capable of being opened and closed. An inner container (4) is freely inserted in and out of the exterior body (1). An electric pump (5) for discharging liquid in the inner container (4) is provided at a lower portion between the outer package (1) and the inner container (4).

The inner container (4) has a substantially D-shaped horizontal section, and has a flat portion (4a) at the front. A circular frame (6) is fixed to the upper end of the inner container (4), and a pair of left and right handle support portions (7) is provided on the frame (6) so as to protrude outward. Both ends of a substantially U-shaped handle (8) arranged outside the exterior body (1) for carrying the pot are pivotally attached to the handle support (7). A transparent pumping pipe (9) extending vertically is disposed outside the flat part (4a) of the inner container (4). The upper end of the pumping pipe (9) is penetrated and fixed to a portion of the frame (6) projecting forward from the upper end of the flat portion (4a). Also, pumping pipe
The upper end of (9) is expanded in a tapered shape. Flat part (4a)
A cover (11) made of synthetic resin having a circular cross section having thermal insulation is attached so as to cover the pumping pipe (9), and the inner container (4) including the cover (11) is attached to the cover. The outer shape is cylindrical. The cover (11) has a see-through window (12) for viewing the pumping tube (9). A handle (13) is formed on the outer surface of the cover (11) for refilling the inner container (4) with water and for holding the inner container (4) for washing.

A pair of notches (14) are formed at the upper end of the cylindrical body (2) of the exterior body (1), and the inner container (4) is formed in the notches (14).
Handle support (7) is fitted. Also, cylindrical body
At the front of (2), there is a see-through window (15) that allows the user to visually check the liquid pumping pipe (9) through the see-through window (12) of the cover (11) and to check the liquid level from outside the exterior body (1). Is formed. A pouring section (16) having a pouring pipe (17) is provided at the front of the upper end of the tubular main body (2).
A switch (18) for the electric pump (5) is provided on the upper surface of the pouring section (16). Although not shown in the drawings, the pouring section (16)
On the upper surface of the device, there are provided a display section for displaying states such as "hot water" and "heat retention", a temperature, a switch for hot water again, and the like. A liquid pipe (19) is provided at the front end of the lid (3) of the exterior body (1). When the lid (3) is closed, one end of the liquid passage pipe (19) faces the opening at the upper end of the discharge pipe (17), and the other end is watertight at the expanded part at the upper end of the liquid pumping pipe (9). It comes into contact with the shape.

The electric pump (5) comprises a driving part (21) provided on the exterior body (1) and having an electric motor (22), and a driven part (23) having an impeller (24). As shown in FIG.
1) is a bottomed tubular synthetic resin casing body (26) fixed to the tubular body (2) of the exterior body (1), and an upper end opening of the casing body (26) made of a high magnetic permeability material. Closing plate to close
(27). Motor (2
2) is fixed upward to the outer surface of the bottom wall of the casing body (26), and the motor shaft (22a) passes through the bottom wall and the casing (2
5) It extends inside. A disc-shaped first joint member (28) is fixed to the motor shaft (22a). An annular permanent magnet (29) having magnetic poles at both upper and lower ends is fixed to the upper surface of the first joint member (28).

The driven part (23) is a stepped cylindrical synthetic resin casing body (32) fixed to the inner container (4) and opened at both upper and lower ends, and a casing body made of a high magnetic permeability material.
A casing (31) comprising a closing plate (33) for closing a lower end opening of the (32) in a watertight manner is provided. The upper end opening of the casing body (32) serves as a suction port (34). A discharge port (35) projecting leftward is formed integrally with a lower portion of the casing body (32). The suction port (34) is fixedly connected to the other end of the elbow (36), one end of which is connected to the inner container (4).
The discharge port (35) is fixedly connected to the lower end of the pumping pipe (9) via an elbow (37). The small diameter part (3
Within 2a), a cylindrical body (38) having a smaller diameter is provided integrally with the casing body (32) via a plurality of arms (39). A liquid passage is provided between the arms (39) connecting the small diameter portion (32a) and the cylindrical body (38).

An upper part of a shaft (41) extending vertically is fixedly inserted into the cylindrical body (38), and an impeller (24) is attached to the shaft (41).
Are rotatably mounted via bearings (42) that can be supported in axial and radial directions. Bearing (42)
Is fixed to the impeller (24). The impeller (24) is a disc (24
A plurality of blades (24b) are integrally formed on the upper surface of a), and the first joint member (28) is connected to the lower surface of the disc (24a) via both closing plates (33) and (27). The opposing second joint member (43) is formed integrally. That is, an annular groove is formed on the lower surface of the disc (24a)
(24c) is formed, and an annular permanent magnet (44) having magnetic poles at upper and lower ends is fixed in the annular groove (24c). This permanent magnet
The polarity of (44) is opposite to the polarity of the permanent magnet (29) of the first joint member (28). The annular groove (24c) is closed by a magnetically permeable synthetic resin closing plate (45) attached to the lower surface of the disk (24a).

When the inner container (4) is placed in the outer casing (1), the casing (31) of the driven part (23) is placed on the casing (25) of the driving part (21), and the shaft ( 41) and the motor shaft (22a) are located on the same vertical line. In this state, switch (1
When the motor (22) is operated by the operation of (8), the motor shaft (2)
2a) rotates, and the first joint member (28) also rotates. This rotational force is transmitted to the impeller (24) via the second joint member (43) by the action of the magnets (29) and (44), and the impeller (24) rotates. As a result, the hot water in the inner container (4)
6) through the suction port (34) and the casing (25) of the driven part (23)
Into the pumping pipe (9) from the discharge port (35), and is further discharged from the tip outlet of the discharging pipe (17) through the liquid flowing pipe (19) and the discharging pipe (17). . The dispensing amount can be arbitrarily set by operating the switch (18).

When the lid (3) is opened and the inner container (4) is taken out,
Only the driven part (23) is taken out together with the inner container (4). Therefore, when refilling the inner container (4) with water,
When washing (4), there is no effect if water is applied to this part. When you put the inner container (4) inside the exterior body (1) again,
The driven part (23) is located on the driving part (21), and the hot water can be poured out by operating the switch (18) as described above.

FIG. 4 shows another embodiment of the present invention.
In FIG. 4, the casings (25) and (31) of the driving part (21) and the driven part (23) are provided so as to be on the same axis which is inclined, and both the closing plates (27) and (33) are also inclined. It is made to be located in the plane. Therefore, when the inner container (4) is taken out of the exterior body (1) and the driven part (23) is removed from above the driving part (21), the closing plate of the casing (25) of the driving part (21). (27) Even if foreign matter falls on the top, the foreign matter is
(27) When the container (4) falls from above and re-inserts the inner container (4) into the exterior body (1), foreign matter is prevented from being present between the driving part (21) and the driven part (23). You. Therefore, the rotational force of the motor shaft (22a) is reliably transmitted to the impeller through the two joint members (28) and (43).
It is transmitted to (24).

[0025]

According to the electric pot of the present invention, since the electric pump for discharging the liquid in the inner container from the spout provided on the outer casing is provided, the electric pump is operated by operating the switch of the electric pump. The output can be set arbitrarily.

Further, the electric pump comprises a driving portion provided on the outer body and having a motor, and a driven portion provided on the inner container and having an impeller driven by the driving portion. There is no need to mechanically connect the inner part and the inner part, and there is no hindrance to getting the inner container out of the exterior body. Therefore, when the inner container is taken out of the outer package for washing, only the driven portion is attached to the inner container, and the driving portion is held in a state of being attached to the outer package. In addition, the torque of the electric motor can be transmitted to the driven part without contact without directly connecting the driven part and the driven part by magnetic coupling.

Further, when the inner container is taken out of the outer package and washed, no water is applied to the electric motor, so that failure of the electric motor due to water leakage can be prevented.

Furthermore, when the inner container is put into the outer casing again, the driven part is necessarily located on the driving part,
Hot water can be poured by a switch operation.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and is an exploded perspective view of an entire electric pot.

FIG. 2 is a partially cutaway side view of the electric pot shown in FIG.

FIG. 3 is an enlarged sectional view taken along the line III-III of FIG. 2;

FIG. 4 is a diagram corresponding to FIG. 2, showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer body 4 Inner container 5 Electric pump 21 Drive part 23 Driven part 24 Impeller 28 First joint member 29 Permanent magnet 31 Casing 43 Second joint member 44 Permanent magnet

──────────────────────────────────────────────────続 き Continuation of the front page (72) Mitsuo Hirooka 22-22, Nagaikecho, Abeno-ku, Osaka-shi, Osaka Inside Sharp Corporation (56) References JP-A-3-295513 (JP, A) JP-A-55- 153533 (JP, A) JP-A-4-321414 (JP, A) JP-A-3-24028 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47J 27/21 101

Claims (2)

(57) [Claims] 1. An exterior body and freely inserted into and removed from the exterior body.
And a liquid container inside the container.
Lift from the lower part of the container to the spout provided on the upper part of the outer package
An electric pot with a water passage between the exterior body and the inner container
And an impeller interposed in the pumping passage for pumping the liquid.
And a pumping passage corresponding to the driven part
An electric motor that is located outside and drives the impeller in a non-contact manner
And the driven part is fixed to the inner container.
And the motor is fixed to the exterior body, and the inner container is
When taking out from the exterior body, the driven part is
Separated from the machine, with the above inner container inside the outer casing
Between the inner container and the outer body as the electric pump
An electric pot characterized by being located . 2. The electric pump is a magnet pump.
And the rotational force of the motor of the driving portion is applied to the impeller of the driven portion.
The electric pot according to claim 1, further comprising a magnetic coupling for transmitting the electric power to the electric pot.