JPH06197843A - Forced purification type electric hot water container - Google Patents

Abstract

PURPOSE:To remove chlorinated lime and odors from liquid contents in a container body sufficiently to use clean, odorless, good liquid contents by providing a purifying portion for purifying the liquid contents as the liquid contents contact or pass through a passage. CONSTITUTION:A water stop valve 61 for use in the case of inversion is provided immediately below the inverted U-curved portion of an ejection passage 12, and a circulation line 62 for returning into an inner container 2 liquid contents ejected into the ejection passage 12 is connected via a switching valve 63 to that portion of the ejection passage 12 which is slightly downstream of a motor-driven ejection pump 15. A purifying portion 64 having a purifying material 64a such as activated carbon or ceramics stored therein is provided within the circulation line 62. When the purifying mode is set by a control panel 44 the switching valve 63 is switched to the circulation side and the automatic ejection pump 15 is automatically turned on under control of a control circuit 22. Therefore, the liquid contents are repeatedly circulated and allowed to repeatedly pass through the purifying portion 64 in the circulation line 62 during circulation and are thereby forcibly purified by the purifying material 64a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forced-cleaning type electric hot water storage container, and more specifically, a forced-cleaning type electric hot water container capable of forcibly purifying in a flow path through which a content liquid is circulated or poured. It relates to a hot water storage container.

[0002]

2. Description of the Related Art Conventionally, electric hot water storage containers have been widely provided as household electric pots.

[0003] This product keeps the content liquid in a heat-retaining state, or keeps it in a heat-retaining state after boiling water and stores hot water, so that the content liquid at a temperature necessary for extracting coffee or tea can be supplied at any time.

The content liquid is heated for the purpose of boiling or keeping it warm, and in particular, when heated for boiling water, the content liquid is brought into a boiling state to cause an offensive odor, or chlorine or its compound, trihalomethane. Foreign matter is released.

[0005]

However, the above-mentioned foreign matter is sufficiently diffused and not removed only by the heat retention or heating for boiling water.

Therefore, it has been considered to enhance the effect of removing chlorine by continuing the boiling state for a predetermined period of time or repeating the boiling state appropriately.

However, even if this is the case, the diffused scaly component is difficult to escape to the outside of the body, stops inside the body and adheres around the body, etc., and there is a dislike that the adhered scaly is returned to the content liquid again. Is still insufficient.

Therefore, in the present invention, in the electric hot water storage container of this type, the content liquid causes convection due to heating, a pouring flow occurs when the content liquid is poured out by the pump, or the content liquid is circulated by the pump as necessary. Focusing on the fact that a circulating flow is generated, the content liquid passes through or comes into contact with the purification unit on various flow paths of the content liquid.
It is an object of the present invention to provide a forced cleaning type electric hot water storage container capable of sufficiently removing foreign substances such as an offensive odor or scaly substances.

[0009]

In order to achieve the above-mentioned object, the present invention purifies a purifying unit for purifying the content liquid by bringing it into contact with or passing through the flow path of the content liquid in the container. Is provided.

As the flow path, a circulation flow path for repeatedly circulating the content liquid or a pouring flow path for pouring out the content liquid can be used. In this case, the purification section is a closed flow path section or an open flow path section. It may be provided in any of the above. Further, it is preferable that the open flow path part is an opening end to the inner surface of the bottom of the container, and the purification part is at a position where it is immersed in the content liquid, and the open flow path part is a lid that closes the upper end of the container. It is also preferable that the cleaning section is located inside and the purifying section is located in the steam outflow path from the body through the lid.

Further, the flow path may be a convection flow path in which the content liquid is convected by heating.

[0012]

According to the above-mentioned structure of the present invention, every time the content liquid flows through the flow path of the content liquid in the container, it passes through or comes into contact with the purification section provided in this flow path, and the purification section Can be forcibly purified by.

When the flow path is a circulation flow path for repeatedly circulating the content liquid, the content liquid can be repeatedly circulated a necessary number of times to perform the forced purification as much as necessary for the total amount of the content liquid. If it is a pouring channel for pouring out the content liquid,
The forced purification can be performed for all the poured content liquids without a flow path for the content liquids or a special means for flowing the content liquids through the flow paths.

In these cases, if the purifying unit is provided in the closed flow path portion, all the content liquid flowing in the flow path can be surely forcibly purified. Further, when the purifying section is provided in the open flow path section, the open flow path section is an opening to the inner surface of the bottom of the vessel, and the purifying section is in a position to be immersed in the content liquid, the purification section is immersed in the content liquid. It is possible to forcibly purify the content liquid by being in constant contact with each other, and the open flow path is inside the lid that closes the upper end of the vessel, and the purification section is the outflow path for the vapor flowing out of the vessel through the lid. When it is located at, the circulating content liquid is once released into the space inside the lid of the vessel, so that the content liquid is aerated and promotes the emission of the scaly component, Contact with each other to carry out forced purification,
In addition, since the purifying unit is located in the steam outflow path from the body through the lid, the chlorine content and the offensive odor that emanates from the content liquid due to the water vapor or boiling and escapes with the steam to the outside. Can also be captured by the purification unit.

Further, if the flow passage is a convection flow passage that convects when the content liquid is heated, even if the electric hot water storage container has a simple pouring flow passage, the flow passage of the content liquid and this flow passage It is possible to realize the forced purification by the purifying unit with a simple structure without any special means for flowing the content liquid into.

[0016]

EXAMPLE A first example of the present invention shown in FIGS. 1 to 4 will be described. This embodiment shows the case of an electric pot capable of boiling water and pouring out the content liquid by a non-pressurized type electric pump. As shown in FIG. 1, an inner container 2 in which a heater 1 is applied to the bottom side peripheral surface is housed in an outer case 3 to form a body 4. Inner container 2 is outer case 3
The upper end flange is received by a shoulder member 5 made of synthetic resin which is forcibly fitted to the upper end of the.

A bottom ring 6 made of synthetic resin is applied to the lower end of the outer case 3, and the bottom ring 6 and the bottom of the inner container 2 are connected by a connecting fitting (not shown) to form the outer case 3, the inner container 2 and The bottom rings 6 are integrated with each other. A circuit box 8 is integrally formed on the bottom ring 6, and a bottom lid 9 is fitted to the center opening of the bottom ring 6 from below and screwed.

A rotary seat body 11 is rotatably fitted and held on the outer periphery of the bottom lid 9. As a result, when the body 4 is stationary, the body 4 slides and rotates on the rotary seat body 11.

A pouring path 12 for pouring out the content liquid is connected to the bottom of the inner container 2. The pouring path 12 is a space between the inner container 2 and the outer case 3, and rises up to the inside of the beak-shaped protrusion 13 provided at the front portion of the shoulder member 5, and bends in an inverted U shape at this portion. The discharge port 14 opens downward.
An electric electric pouring pump 15 for sending the content liquid flowing into the pouring path 12 to the discharge port 14 is provided in a portion of the pouring path 12 below the inner container 2, and is driven by a motor. There is.

A liquid injection guide 17 is attached to a lower cover 16 fitted to the lower side of the beak-like protrusion 13 and attached to the front part of the outer case 3.
, And the content liquid discharged from the discharge port 14 is once opened to the atmosphere and then received by the liquid injection guide 17 to be guided and injected.

A temperature sensor 21 is applied to the central portion of the bottom lower surface of the inner container 2 through the central hole of the heater 1 to detect the temperature of the content liquid, and the control circuit 22 accommodated in the circuit box 8 stores the content. Gives the temperature information of the liquid. As a result, the control circuit 22 controls energization of the heater 1 so as to keep the content liquid at a predetermined temperature, and determines whether or not the content liquid is boiling.

A body lid 31 is provided on the upper end of the body 4. The body lid 31 has a hinge pin 33 on a bearing portion 32 provided at a rear portion thereof so as to partially open inside the shoulder member 5.
It is pivotally attached so that it can be opened and closed and removed. The body lid 31 can be attached and detached by opening the body lid 31 so that the hinge pin 33 integrated with the body lid 31 can be inserted and removed from the opening of the bearing portion 32. Therefore, it is possible to prevent the body lid 31 from being unintentionally detached when the body lid 31 is in the closed state.

A lock member 34 is provided at the front end portion of the body lid 31, and when the body lid 31 is closed, the lock member 34 is elastically engaged with a not-shown locking portion provided on a part of the shoulder member 5 so that the body lid 31 is locked. The body lid 31 is locked in the closed state. This locking member 34 resists the spring exerted on it and provides an external unlocking member 30.
By being pushed in the backward direction by, the engagement with the locking portion is released, and the locking of the detachable body lid 31 is released.

An inner lid 36 made of a metal plate is attached to the inside of the back plate 35 of the vessel lid 31 and fixed with screws. A seal packing 38 is attached to the outer periphery of the inner lid 36, and the seal packing 38 is brought into contact with the rear portion of the inner container 2 to close the inner container 2.

A steam passage 39 is provided between the inner lid 36 and the back plate 35 of the body lid 31 to allow the steam generated in the inner container 2 to escape to the outside. The abnormal pressure rise is avoided.

In the middle of the steam passage 39, a water stop valve 41 at the time of fall for preventing the content liquid from flowing out through the steam passage 39 when the container 4 falls, and a content liquid when the container 4 falls, Even if an attempt is made to flow out to the outside through the vapor passage 39, there is provided a liquid reservoir 40 that stores this in the middle of the vapor passage 39 and delays the outflow to the outside.

On the upper surface of the beak-like protrusion 13 of the shoulder member 5, there is provided an operation panel 44 for operating the electric pouring pump 15 and setting various modes of the electric pot.
Various switches on the operation board 45 provided on the inside of the operation panel 44 are pressed, and various indicators such as LEDs provided on the operation board 45 can be turned on and off externally.

A water shutoff valve 61 at the time of fall is provided just below the inverted U-shaped bent portion of the spout passage 12, and a portion of the spout passage 12 slightly downstream of the electric spout pump 15 is shown in FIGS. As shown in FIG. 3, the content liquid poured out into the pouring path 12 is stored in the inner container 2
A circulation path 62 for returning the content liquid therein is branched and connected via a switching valve 63, and a purification section 64 accommodating a purification material 64a such as activated carbon or ceramic is provided in the middle of the circulation path 62.

The switching valve 63 may be of a manual switching type, but it is an electromagnetic switching valve, and when the purification mode is set on the operation panel 44, the switching valve 63 is switched to the circulation side and the electric pouring is performed. The control circuit 22 controls so that the pump 15 is automatically turned on.

As a result, the content liquid is repeatedly circulated and repeatedly passes through the purification section 64 in the middle of the circulation path 62 during this circulation, so that the forced purification by the purification material 64a can be reliably received.

Further, the open end 6 of the circulation path 62 into the inner container 2
Since 2e is opened above the uppermost liquid level 60 of the content liquid, the circulating content liquid is always released into the space inside the inner container 2 and the air here When it is touched, it drops into the content liquid in the inner container 2 while entraining this air, so that the content liquid is watered every time it is circulated to release chlorine and odor, and along with the vapor that is emitted from the content liquid, It can be made to escape from the steam passage 39 to the outside.

The purification mode is released by saying that the operation key for setting the purification mode is operated again, so that the switching valve 63 is switched to the pouring side and the electric pouring pump 15 is turned off. is there. However, it is also possible to automatically cancel the purification mode after continuing the purification mode for a predetermined time.

The purifying section 64 is a slightly flexible resin molding as shown in FIG. 3A, and has connection ports 64b and 64c for connecting to the circulation path 62 provided at the top and bottom. On the other hand, the mounting portion 62a of the purifying portion 64 of the circulation path 62 is a resin molding portion having an opening 62b to the front of the outer case 3, and the purifying portion 64 is taken in and out while being compressed and deformed vertically by the hand. By the restoration of the received purification unit 64 when the compression is released, the connection ports 64b, 64 of the purification unit 64 are formed.
By fitting c into the connection ports 62c and 62d of the circulation path 62 that is open to the ceiling portion and the bottom portion of the mounting portion 62a, the purifying unit 64 causes the circulation path 62 as shown in FIG. 3B.
Removably connected to and retained by.

A check valve 65 is provided at the connection port 62d of the circulation path 62.
Is provided and the purifying unit 64 is not installed, the check valve 6
5 is kept in a closed state by the spring 66 that acts on itself, and even if the content liquid flows into the circulation path 62, the opening 62
It is made possible to avoid the fact that it leaks to the outside through b.

The connecting port 64c of the purifying section 64 is provided with a push rod 67 which opposes the check valve 65 and pushes it downward against the spring 66 when connecting to the connecting port 62d. The check valve 65 is automatically opened at the same time when the purifying unit 64 is attached so that the forced purifying by the circulation of the content liquid is achieved.

In the second embodiment of the present invention shown in FIG. 4, the branch point of the circulation path 62 from the pouring path 12 via the switching valve 63 is provided just after the water stop valve 61 at the time of fall of the pouring path 12. It is set so that the circulation path 62 may be short.

The open end of the circulation path 62 into the inner container 2 is a porous portion 62f as shown in the figure, and an upper space inside the lid 31 is used to return the content liquid to be circulated into the inner container 2. And is returned to the inside of the inner container 2 so that the water is better aerated than in the case of the first embodiment. It is located in the middle of the circulation opening flow path 71 that returns to the content liquid in the inner container 2 by the injection into the space, and in the middle of the steam outflow path 72 from the inner container 2 through the steam passage 39 of the lid 31. The purifying unit 64 is suspended from the lower surface of the lid 31 by a suspending pin 73 which is detachably provided by a screw or the like.

In the purifying section 64, the content liquid returned to the purifying section 64 through the upper space in the inner container 2 comes into contact with the purifying section in the open channel 71, and passes through the purifying section 64. As in the first embodiment, the forced cleaning is repeated.

Chalk and odor emitted from the content liquid heated in the inner container 2 or emitted from the circulating content liquid that receives the water vapor are discharged from the steam passage 39 to the outside through the outflow path 72 together with the steam. When attempting to escape, it can be separated and removed from the content liquid, the air in the inner container 2, and the steam or air flowing out to the outside, which is adsorbed and captured by the purifying unit 64.

When the purifying section 64 reaches the end of its life, it can be replaced by attaching and detaching the hanging pin 73.

The other structure and operation are similar to those of the first embodiment, and the duplicated description will be omitted.

The third embodiment of the present invention shown in FIG. 5 is the second embodiment.
The circulation path 62 similar to that of the embodiment is provided, and the purifying portion 64 is detachably fitted from above to the opening end 81 of the pouring path 12 to the upper surface of the bottom of the inner container 2. The purifying unit 64 has the outlet 12
The connection port 64f is attached to the opening end 81 by fitting, and there is no distinction between the liquid content pouring mode and the circulation mode.
All of the content liquid flowing to the spout passage 12 can be forcibly purified. Therefore, the opportunity for forced purification increases.
Moreover, the purifying unit 64 is located at a position where it is constantly immersed in the content liquid in the inner container 2, and the content liquid can be purified even when it is in constant contact with the content liquid.

Further, the opening end of the circulation path 62 into the inner container 2 is an upward opening end 62g, and when returning to the upper space in the inner container 2 after circulation, it is allowed to come out to contact with the atmosphere by flowing upward. It promotes the bringing of the contacted air into the content liquid in the inner container 2 and enhances the effect of radiating the chyme content and the offensive odor due to the waterfall.

The other structure is similar to that of the second embodiment.

FIG. 6 shows a fourth embodiment of the present invention. This embodiment shows the case of a manual electric pot in which the content liquid can be poured out by pressing the bellows pump 101.

In this embodiment, a portion of the bottom of the inner container 2 facing the opening end 81 of the pouring path 12 is largely recessed to form a mounting portion 91 for the purifying portion 64, and the purifying portion 6 is attached to the mounting portion 91.
The O-ring 93 is detachably attached to the large-diameter connection port 92 of No. 4, and the bellows pump 101 discharges the content liquid from the discharge passage 1
When it is poured out through 2, all of the poured content liquid passes through the purifying material 64h inside the large-diameter connection port 92 of the purifying section 64, so that it can be forcibly purified.

Further, the purifying unit 64 is provided with a purifying material i for forcibly purifying the content liquid only by being immersed in the content liquid on the purification material 64h. For this purpose, the purifying materials 64h and 64i are held by holding a space 94 below and above the cylindrical metal case 93, and the space 95 facing the space 94 and the hole 95 provided in the case 93 and the space 94. , Purification material 64
The content liquid is poured out through h and is prevented from passing through the purification material 64i.

Therefore, the purifying materials 64h and 64i can be selectively used for the forced purification of the poured content liquid and the forced purification of the content liquid contacted by immersion, and these are commonly used to reach the end of life early. Inconvenience can be eliminated.

Reference numeral 103 in the drawing denotes a bellows pump 10.
A pressing plate for pressing 1 and a bellows pump 10
This is a switching valve that switches and closes the air supply passage 105 from the bellows pump 101 into the inner container 2 and the vapor vent passage 39 in conjunction with the pressing operation of 1.

FIG. 7 shows a fifth embodiment of the present invention. In this embodiment, a flat plate-like purifying section 64 is provided in the convection flow passage 111 due to boiling of the content liquid, etc. Is different from In the present embodiment, the content liquid is passed through the purifying unit 64 or the purifying unit 30 by convection due to boiling or the like.
Since it is purified by contact with 6, it is possible to use the purified content liquid in the same manner as in the above embodiment.

As shown in the figure, the purifying section 64 is simply detachably mounted on the upward step 112 formed near the bottom of the inner container 2, and has a simple structure and is easy to handle.

However, the method of providing the purifying unit 64 is arbitrary.

[0053]

According to the present invention, every time the content liquid flows through the flow path of the content liquid in the container, the content liquid passes through or comes into contact with the purification section, and the purification section Since it is forcibly purified, it is possible to sufficiently remove the chlorine content and odor of the content liquid and to use the delicious content liquid that is clean and has no odor.

When the flow path is a circulation flow path for repeatedly circulating the content liquid, the content liquid is repeatedly circulated for a necessary number of times to forcibly purify the total amount of the content liquid as much as necessary to achieve a more sufficient and uniform forced purification. It can be achieved, and if the flow path is a pouring flow path for pouring out the content liquid, the simple structure without the flow path of the content liquid and the special means for flowing the content liquid into this flow path remains As a result, the above-mentioned forced purification is carried out for all of the pouring content liquid, so that more reliable and even purification can be achieved.

In these cases, if the purifying section is provided in the closed flow path portion, all the content liquid flowing in the flow path can be more surely forcibly purified and the purifying performance can be improved. Further, when the purifying section is provided in the open flow path section, the open flow path section is an opening to the inner surface of the bottom of the vessel, and the purifying section is in a position to be immersed in the content liquid, the purification section is immersed in the content liquid. Even if they are in constant contact with each other, the content liquid can be forcibly purified to further improve the purification performance, and the open flow passage part is inside the lid that closes the upper end of the body, and the purification part is inside the body. If it is located in the outflow path of the steam that flows out through the lid, the content liquid to be circulated is once released into the space inside the lid of the body, so that the content liquid is vaporized and the calcination amount is dispersed. While pursuing forced contact cleaning with the purifying unit, and because the purifying unit is located in the steam outflow path from the body to the lid, the contents are removed from the liquid by the water vapor or boiling. Chalky component that emanates from the liquid and tries to escape to the outside with steam Since also captured by purifying unit off-flavors or the like,
Purification performance is significantly improved.

Furthermore, if the flow passage is a convection flow passage that convects when the content liquid is heated, even if it is a simple electric hot water storage container that does not even have a pouring flow passage, the flow passage of the content liquid and this flow passage Since the forced purification can be realized by the purifying unit with a simple structure without any special means for flowing the content liquid into the container, it can be provided as the forced purification type electric hot water storage container of the simplest and cheapest configuration.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of an electric pot showing a first embodiment of the present invention.

FIG. 2 is a front view showing a connection state of the electric pot of FIG. 1 through a pouring path and a circulation path switching valve.

FIG. 3 is a cross-sectional view of a purification unit provided in the middle of the circulation path.

FIG. 4 is a vertical cross-sectional view of an electric pot showing a second embodiment of the present invention.

FIG. 5 is a vertical sectional view of an electric pot showing a third embodiment of the present invention.

FIG. 6 is a vertical cross-sectional view of an electric pot showing a fourth embodiment of the present invention.

FIG. 7 is a vertical cross-sectional view of an electric pot showing a fifth embodiment of the present invention.

[Explanation of symbols]

 4 body 12 pouring passage 15 pouring pump 31 lid 39 vapor passage 62 circulation passage 62e opening end 62f porous portion 62g upward opening end 63 switching valve 64 purification portion 64a, 64h, 64i purification material 71 open circulation passage 72 outflow passage 81 Open end 111 Convection channel

Claims (8)

[Claims] 1. A forced purification type electric hot water storage container comprising a purifying section for purifying the content liquid in contact with or passing through the flow path of the content liquid in the container. 2. The forced purification type electric hot water storage container according to claim 1, wherein the flow path is a circulation flow path for repeatedly circulating the content liquid. 3. The forced cleaning type electric hot water storage container according to claim 1, wherein the flow path is a pouring flow path through which the content liquid is poured. 4. The forced purification type electric hot water storage container according to claim 2, wherein the purification section is provided in a closed flow path section. 5. The forced purification type electric hot water storage container according to claim 2, wherein the purification section is provided in an open flow path section. 6. The forced purification type electric hot water storage container according to claim 5, wherein the open flow path portion is an open end to the inner surface of the bottom of the container, and the purification portion is at a position where the content liquid is immersed. 7. The forced purification type electric machine according to claim 5, wherein the open flow path portion is inside a lid that closes an upper end of the vessel, and the purification section is located in a steam outflow path from the vessel body through the lid. Hot water storage container. 8. The forced purification type electric hot water storage container according to claim 1, wherein the flow path is a convection flow path in which the content liquid is convected by heating.