JP3041659B2 - an electronic pot - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises an outer body and an inner container which is freely inserted into and out of the outer body.
The present invention also relates to an electric pot having a water heating function and a heat retaining function .

[0002]

2. Description of the Related Art An electric pot having a water heating function and a heat retaining function has an inner container that can be freely inserted into and removed from an outer casing for the purpose of washing and drying the inner container. (See Japanese Utility Model Laid-Open No. 3-24028).

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.

However, in such a method, there is a limit to the amount of liquid to be poured out by one pushing operation, and to push out a large amount of hot water, it is necessary to repeatedly push the pushing member. There is a problem that it 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. That is, in order to use the electric pump in an electric pot in which the inner container can be freely inserted and removed, it is easy to attach the electric pump to the outer body or the inner container. 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 when the container is placed in the outer casing. Conversely, when the electric pump is attached to the inner container, the electric motor is flooded with water when the inner container is washed, which causes a failure.

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

[0007]

SUMMARY OF THE INVENTION The electric kettle according to the present invention, the outer body, an electrical kettle having a inner container which is placed freely in and out the outer package, the peripheral wall of the outer body <br / An electric pump for discharging the liquid in the inner container from a spout provided on the outer body is provided between> and the peripheral wall of the inner container, and the electric pump is provided on the outer body and includes an electric motor. and a driving portion, provided on the inner container and the inner container and more becomes a driven part which includes an impeller disposed in the casing and the casing is attached to the communication shape, casings of the driven part
Is formed on the peripheral wall of the inner container via the tubular communication member.
The suction port connected to the hot water outlet and the spout
A magnetic coupling means having a discharge port connected thereto and capable of transmitting the rotational force of the electric motor to the shaft of the impeller in a non-contact state via a wall of the casing is provided between the driving part and the driven part. Is what it is.

In this electric pot, it is preferable that the driving portion includes a casing, and a joining portion of the casing of the driving portion and the casing of the driven portion is located in a vertical plane or an inclined plane.

[0009]

According to the electric pot of the present invention, since the electric pump for discharging the liquid in the inner container from the discharge port provided on the outer casing is provided, the amount of the liquid to be dispensed is controlled by operating the switch of the electric pump. Can be set arbitrarily.

In addition, an electric pump is provided with a driving portion provided on an outer body and provided with an electric motor, a casing provided on the inner container and mounted in communication with the inner container, and an impeller disposed in the casing. Since the magnetic coupling means is provided between the driven part and the driven part, the magnetic coupling means capable of transmitting the rotational force of the electric motor to the shaft of the impeller through the casing wall in a non-contact state. In addition, there is no need to mechanically connect the driving part and the driven part, and there is no problem in 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. Moreover, since the hermetically sealed casing of the driven portion is attached to the inner container in a communicating manner, there is no need to make the connection between the casing and the inner container detachable, and it is possible to ensure the seal between the two. it can.

Further, if the driving portion has a casing, and the joining portion between the casing of the driving portion and the casing of the driven portion is located in a vertical plane or an inclined plane, the inner container can be moved from the exterior body. When the driven part is taken out from the driving part, the foreign matter that has fallen on the casing of the driving part falls from the casing of the driving part by its own weight, and when the inner container is put again in the exterior body, The presence of foreign matter between the driving part and the driven part is prevented.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show the overall structure 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. 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) at a lower portion between a peripheral wall of the outer body (1) and a peripheral wall of the inner container (4).
Is provided.

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) are 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) and for carrying a pot are provided at handle support portions.
It is pivoted to (7). A transparent liquid 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). The upper end of the liquid pumping pipe (9) is expanded in a tapered shape.
On the flat portion (4a), a synthetic resin cover (11) having a circular cross section with thermal insulation is attached so as to cover the liquid pumping pipe (9), and the contents including this cover (11) are included. The outer shape of the vessel (4) is cylindrical. The cover (11) has a see-through window (12) for viewing the pumping pipe (9). In addition, cover (1
A handle (13) is formed on the outer surface of (1) for replenishing the inner container (4) with water and for holding the inner container (4) for washing.

A pair of cutouts (14) are formed at the upper end of the cylindrical body (2) of the exterior body (1), and an inner container is formed in the cutout (14).
The handle support (7) of (4) is fitted. At the front of the cylindrical body (2), the pumping pipe (9) can be seen through the see-through window (12) of the cover (11), and the liquid level can be checked from the outside of the exterior body (1). A window (15) is formed. A pouring section (16) having a pouring pipe (17) is provided at the front of the upper end of the cylindrical main body (2). The electric pump (5) switch is
(18) is provided. Although illustration is omitted, on the upper surface of the pouring section (16), there are provided states such as "water heater" and "heat retention", a display section for displaying temperature, a switch for water heating again, and the like. . A liquid passage pipe (19) is provided at the front end of the lid (3) of the exterior body (1). The flow pipe (19) is
When the lid (3) is closed, one end faces the inside of the upper end opening of the discharge pipe (17), and the other end comes into contact with the expanded pipe section at the upper end of the pumping pipe (9) in a watertight manner. I have.

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.
(21) is a bottomed tubular synthetic resin casing body (26) fixed to the tubular body (2) of the exterior body (1), and an upper end of the casing body (26) made of a high magnetic permeability material. A casing (25) including a closing plate (27) for closing the opening is provided. The motor (22) is fixed upward to the outer surface of the bottom wall of the casing body (26), and the motor shaft (22a) extends through the bottom wall into the casing (25). 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 portion (23) is fixed to the inner container (4) and has a stepped cylindrical synthetic resin casing body (32) having upper and lower ends opened.
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) has one end around the inner container (4) .
The other end of the elbow (36) connected to the hot water outlet formed on the wall is fixedly connected. The discharge port (35) is fixedly connected to the lower end of the pumping pipe (9) via an elbow (37). In the small diameter portion (32a) of the casing body (32), 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 the shaft (41) is attached to the impeller (24).
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), a plurality of blades (24b) are integrally formed on the upper surface thereof, and the lower surface of the disk (24a) is connected to the first joint member (28) via both closing plates (33) (27). The opposing second joint member (43) is formed integrally. That is, an annular groove (24c) is formed on the lower surface of the disk (24a), and an annular permanent magnet (44) having magnetic poles at both upper and lower ends is fixed in the annular groove (24c). The polarity of the permanent magnet (44) is opposite to the polarity of the permanent magnet (29) of the first joint member (28). The annular groove (24c) is a magnetically permeable synthetic resin closure plate (45) attached to the lower surface of the disk (24a).
It is closed by

When the inner container (4) is placed inside the outer package (1), the casing (31) of the driven part (23) rests 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) rotates with the rotation. 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 leading 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),
When washing the inner container (4), there is no effect if water is applied to this part. When the inner container (4) is put into the exterior body (1) again, the driven part (23) is positioned on the driving part (21), and the hot water is operated by operating the switch (18) as described above. It will be in a state where it can be poured out.

FIG. 4 shows another embodiment of the present invention. FIG.
The casing (2) of the driving part (21) and the driven part (23)
5) and (31) are provided so as to be on the same axis which is inclined, and both closing plates (27) and (33) are also located in the inclined 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 plate, the foreign matter will be closed by its own weight.
7) 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). . Therefore, the rotational force of the motor shaft (22a) is surely transmitted through the two joint members (28) and (43).
It is transmitted to (24).

[0023]

According to the electric pot of the present invention, as described above, the discharge amount can be arbitrarily set by operating the electric pump by operating the switch.
Further, when the inner container is taken out of the outer package and washed, no water is applied to the electric motor, so that it is possible to prevent the electric motor from being damaged due to water getting wet. Moreover, since the seal between the inner casing and the hermetically sealed casing of the driven portion can be ensured, leakage from this portion can be prevented.

Further, if the driving portion has a casing, and the joining portion between the casing of the driving portion and the casing of the driven portion is located in a vertical plane or an inclined plane, the driving portion and the driven portion may Since the presence of foreign matter between them is prevented, the rotational force of the motor shaft is reliably transmitted to the impeller.

[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 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 1st joint member 29 Permanent magnet 31 Casing 34 Suction port 35 Discharge port 36 Elbow (tubular communication member) 43 2nd 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-4-324414 (JP, A) (58) Investigated Field (Int. Cl. ⁷ , DB name) A47J 27/21 101

Claims (2)

(57) [Claims] 1. An electric pot comprising an outer body and an inner container which is freely inserted into and out of the outer body, wherein the electric pot comprises an outer body.
Between the peripheral wall of the inner container and the peripheral wall of the inner container, an electric pump for discharging the liquid in the inner container from a spout provided on the outer body is provided, and the electric pump is provided on the outer body and the electric motor is provided. a driving portion which includes, provided on the inner container and the inner container and more becomes a driven part which includes an impeller disposed in the casing and the casing is attached to the communication shape, the driven part Ke
Is formed on the peripheral wall of the inner container through the tubular communication member
Suction port connected to the hot water outlet
A magnetic coupling means that has a discharge port connected to the outlet and that can transmit the rotational force of the electric motor to the shaft of the impeller in a non-contact state through the casing wall between the driving part and the driven part. Electric pot provided. 2. The driving unit includes a casing,
2. The electric pot according to claim 1, wherein a joining portion between the casing of the driving part and the casing of the driven part is located in a vertical plane or an inclined plane.