JP2007244610A - Electric kettle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric kettle for switching a liquid passage between for electrically-operated hot water supply and for air-operated water supply, and adjusting (varying) the rate of hot water supply in electrically-operated hot water supply as well as in air-operated hot water supply. <P>SOLUTION: The terminal end or a middle part of the liquid passage is provided with a valve 40 including an air-operated hot water supply valve 70 for always opening a liquid passage 45d for air-operated hot water supply, and an electrically-operated hot water supply valve 60 for always closing a liquid passage 45c for electrically-operated hot water supply. In air-operated hot water supply, the liquid passage 45d is opened and the liquid passage 45c is closed, and a liquid contained in an inner container 3 is delivered from a delivery port through the liquid passage for air-operated hot water supply by the drive of an air pump 21. In electrically-operated hot water supply, the electrically-operated hot water supply valve 45d is pressed by an operation member 51, the liquid passage for air-operated hot water supply is closed by the air-operated hot water supply valve 70, the liquid passage for electrically-operated hot water supply is opened, and a hot water supply switch S for driving an electric pump is turned on to change the cross-sectional area of an opening of the liquid passage 45c for electrically-operated hot water supply according to the moving distance of the electrically-operated hot water supply valve 60. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an electric pot for both electric and air use, in which a content liquid in an inner container is discharged from a discharge port through a liquid passage by driving an electric pump or an air pump.

2. Description of the Related Art Conventionally, an electric hot water supply type electric pot in which a hot water supply switch is operated to drive an electric pump to discharge a content liquid is known (for example, see Patent Document 1). There is also known an air hot water type pot in which an air pump including a bellows pump is driven to discharge the content liquid (see, for example, Patent Document 2).
However, since the thing of the said patent document 1 is only for electric hot water supply types, and the thing of patent document 2 is only for air hot water supply types, it cannot enjoy the advantage which both have.

  Therefore, recently, an electric pot that includes an air pump and an electric pump and is combined with electric and air has been proposed.

Japanese Patent No. 3039353 No. 2-43314 Utility Model Gazette

  However, the electric and air electric pot has a problem that switching between the electric hot water supply liquid passage and the air hot water supply liquid passage cannot be performed. Moreover, there is a problem that the amount of hot water supply is electrically adjusted during electric hot water supply.

  Further, the conventional electric hot water supply type electric pot has a configuration in which the liquid passage is constantly changed from fully closed to full open during the electric hot water supply operation, and the opening cross-sectional area of the liquid passage is changed and discharged. Therefore, when this is applied to an electric pot for both electric and air use, the electric hot water supply operation is not performed even if an air pump is driven to supply hot water during air hot water supply, so the liquid passage during the electric hot water supply is fully closed. Therefore, there is a problem that the content liquid cannot be discharged.

   Therefore, the present invention is intended to solve the above-described conventional problems, and in an electric pot for both electric and air use, the liquid passage between electric hot water and air hot water can be switched and the amount of hot water supplied during air hot water supply can be reduced. Of course, it can be adjusted (variable), the amount of hot water supply during electric hot water supply can be adjusted (variable), and by using a lever as the operating member, the hot water supply operation during electric hot water supply can be operated lightly and is easy to use. And it aims at providing the electric pot of an air combined type.

  In order to achieve the above object, the invention according to claim 1 is an electric and air combined electric pot in which the content liquid in the inner container is discharged from the discharge port through the liquid passage by driving the electric pump or the air pump. In addition, an air hot water supply valve is provided at the end or in the middle of the liquid passage. In some cases, the air hot water supply liquid passage of the valve is in an open state, the electric hot water supply liquid passage is in a closed state, and by driving the air pump, the content liquid in the inner container passes through the air hot water supply liquid passage. When the electric hot water supply is discharged from the discharge port, and the electric hot water supply valve is pushed down, the liquid passage for air hot water supply is made air by pushing down the operation member that can push down the electric hot water supply valve. The hot water valve is closed, the electric hot water supply fluid passage is opened by the electric hot water supply valve, and the hot water supply switch for driving the electric pump is turned on. By changing the area, the amount of hot water supply at the time of electric hot water supply is changed, and the content liquid is discharged from the discharge port through the liquid passage for electric hot water supply.

According to such a configuration, the valve is provided with a liquid passage for air hot water supply that is normally opened and a liquid passage for electric hot water supply that is normally closed. When electric hot water is supplied, the operation member is pressed down to close the air hot water supply liquid passage and open the electric hot water supply liquid passage, and the hot water supply switch is turned on to discharge the liquid content. . That is, the liquid passage between the air hot water supply and the electric hot water supply can be easily switched.
In addition, at the time of air hot water supply, it is needless to say that the amount of hot water supply can be adjusted (variable) by adjusting the amount (stroke) of pushing down the air pump with a human hand. In addition, in the present invention, during the hot water supply, the amount of hot water supply can be reduced by changing the opening cross-sectional area of the electric hot water supply fluid passage according to the moving distance of the electric hot water supply valve by adjusting the amount of depression (stroke) of the operating member. Can be adjusted (variable).

Here, the valve can be provided separately from the air hot water supply valve and the electric hot water supply valve, but in the valve chamber in one valve box having a casing and a valve lid forming the main body of the valve, It is preferable that the air hot water supply valve and the electric hot water supply valve are integrally provided as a unit in terms of easy assembly in the electric pot (see FIGS. 3 to 6).
Further, the operation member is not limited to a push button (hot water supply key) as shown in the first embodiment, but may be a lever type as shown in the second embodiment, and the design can be changed as appropriate.

  According to a second aspect of the present invention, as the operation member, there are a push button provided on the body so as to be movable up and down, a pressing plate pivotally supported at one end by the body to push down the push button, and the pressing plate. The lever comprises a lever pivoted at one end to push down and move down the push button.

  According to such a configuration, the hot water supply operation at the time of electric hot water supply can be easily operated, and the usability is good.

According to the electric pot of claim 1, an air hot water valve that always opens the liquid passage for air hot water and an electric hot water valve that always closes the liquid passage for electric hot water are provided at the end or in the middle of the liquid passage. When the air hot water is supplied, the liquid passage for air hot water supply of the bubble is in the open state, the liquid passage for electric hot water supply is in the closed state, and the contents in the inner container are driven by driving the air pump. The liquid is discharged from the discharge port via the air hot water supply liquid passage, and at the time of electric hot water supply, the air hot water supply liquid is provided by depressing an operation member provided on the body so that the electric hot water supply valve can be operated to be pressed down. The passage is closed by the air hot water supply valve, the electric hot water supply liquid passage is switched to be opened by the electric hot water supply valve, and the hot water supply switch for driving the electric pump is turned on to discharge the content liquid.
In this way, it is possible to easily switch between the liquid passages for air hot water supply and electric hot water supply.

  Further, at the time of electric hot water supply, the amount of hot water supply can be adjusted (variable) by changing the opening cross-sectional area of the liquid passage for electric hot water supply according to the moving distance of the electric hot water supply valve by adjusting the amount of depression (stroke) of the operating member. Therefore, compared with the conventional electric pot which electrically adjusts the hot water supply amount at the time of electric hot water supply, the electric member cost and the electricity consumption are reduced. Of course, during hot water supply, the amount of hot water supply can be adjusted (variable) by adjusting the push-down amount (stroke) of the air pump with a human hand. In other words, both of the hot water supply and the electric hot water supply can change the amount of hot water supply by changing the stroke of the air pump or the operation member with a clear hot water supply operation.

  According to the electric pot of claim 2, as the operation member, a push button provided on the vessel body so as to be movable up and down, a pressing plate pivotally supported at one end by the vessel body to depress the push button, and the pressing member Since it consists of a lever that is pivotally supported at one end by the body to push down the plate and move down the push button, in addition to the effect of claim 1 above, by pressing down the lever at the time of electric hot water supply, The hot water operation can be easily operated by the action of the lever, and the amount of hot water supply can be adjusted by changing the opening cross-sectional area of the liquid passage for electric hot water supply by the electric hot water supply valve by changing the stroke of the vertical movement of the lever. Thereby, a user-friendly electric pot can be provided.

Example 1
A first embodiment of the present invention will be described below with reference to FIGS.
As shown in FIG. 1, reference numeral 1 denotes an electric pot for both electric and air type equipped with an electric pump and an air pump. This electric pot 1 includes a bottomed cylindrical outer case 2, an inner container 3 that is housed in the outer case 2 and has an empty chamber 4 formed between the outer case 2, and an opening 3 a of the inner container 3. A lid 5 that closes, a heater 6 that heats or keeps the content liquid in the inner container 3, and an electric motor that discharges the content liquid in the inner container 3 from the liquid outlet 3 b of the inner container 3 through the liquid passage 7 through the discharge port 8. A pump 9 and a known air pump 21 including a bellows pump are provided.

  The outer case 2 and the inner container 3 constitute an electric pot 1 body. In FIG. 1, 10 is a temperature sensor, 11 is a heat shield, 12 is a control circuit board schematically shown, 13 is a mesh filter provided so as to cover the liquid outlet 3b formed at the bottom of the inner container 3, Reference numeral 14 denotes a heat insulating material provided in the empty chamber 4.

  The liquid passage 7 is formed from the liquid outlet 3 b formed at the bottom of the inner container 3 to the discharge port 8. The specific configuration is implemented by connecting an appropriate number of short pipes 7a, elbow pipes 7b, vertical pipes (water pipes) 7c, etc., but the name, shape and number of pipes are appropriately designed. Be changed. The liquid passage 7 of this embodiment rises from the liquid outlet 3 b of the inner container 3 through the liquid passage of the electric pump 9 between the inner container 3 and the outer case 2, and the mouth of the outer case 2 and the inner container 3. It reaches to the inside of the collar part 16 which is the protruding part of the shoulder body 15 which connects them, and the discharge port 8 opens downward at the position of the collar part 16. By driving the electric pump 9, the content liquid in the inner container 3 is discharged from the liquid outlet 3 b from the suction port of the electric pump 9 through the discharge port and through the liquid passage 7 through the discharge port 8.

1 and 2, 17 is an operation panel provided on the upper surface of the flange 16, 18 is an operation board provided below the operation panel 17, and 19 is a lock lever for locking the lid 5 to the body. , 20 is a lock release member, 21 is an air pump composed of a bellows pump, 22 is a push plate for pushing the air pump 21, and presses the push plate 22 to feed pressurized air from the air pump 21 into the inner container 3. In the same manner as in the case of the electric pump 9, the content liquid in the inner container 3 is discharged from the liquid outlet 3 b through the liquid passage 7 and discharged from the discharge port 8. 23 is a steam outlet for releasing the steam generated in the inner container 3 to the outside of the lid 5, and 24 is a water stop valve at the time of falling.
The lid 5 is hinged to the hinge 5 of the lid 5 via a hinge lever 26 that is elastically supported by a spring 25 with respect to a hinge receiving portion 15a formed at a part of the rear portion of the shoulder body (shoulder member) 15 of the exterior case 2. By inserting the hinge pin 28 into the part 27 so as to be detachable, the hinge pin 28 is pivotally attached so as to be able to rotate in an arc with the hinge pin 28 as a rotation fulcrum. By closing the lid 5 with the hinge pin 28 as a pivot point, the opening 3a of the inner container 3 and the opening of the shoulder body 15 are closed to prevent the heat of the content liquid from being released. On the other hand, by opening the lid 5, The content liquid to be kept warm can be supplied into the inner container 3 or the inside of the inner container 3 can be washed.

  A bubble 40 is provided in the lower portion 16 of the electric pot 1 below the operation panel 17 and the operation board 18. In this embodiment, the bubble 40 is integrally provided as a unit in the valve chamber 46 of one valve box with the electric hot water supply valve 60 and the air hot water supply valve 70. The valve 40 will be schematically described with reference to FIG. 3. When viewed in plan, the central plate 42 in the center, the first horizontal plate 43 extending to the left at the upper end of the central plate 42, and the lower end of the central plate 42. 3, a second horizontal plate 44 extending rightward is integrally formed with the valve lid 41. As shown in FIGS. 3 to 6, the valve lid 41 is covered with the valve lid 41 below the valve lid 41. The casing 45 is coupled, and a valve chamber 46 is formed between the valve lid 41 and the casing 45. The casing 45 includes an upper casing 45a and a lower casing 45b.

A discharge pipe portion 47 having a discharge port 8 is vertically suspended at the tip of the upper casing 45 a facing the first horizontal plate 43. The discharge pipe portion 47 is fitted into a discharge pipe portion insertion hole 8a formed in the lower portion of the shoulder body 15, and a packing 48 is fitted on the outer periphery thereof.
Further, a water stop valve 49 is inserted into a valve chamber (liquid passage) formed by the first horizontal plate 43 and the upper casing 45a. When the electric pot 1 falls or tilts, the water stop valve 49 is The valve seat 50 is closed to prevent the content liquid from leaking from the discharge port 8.

  3 and 6, the second horizontal plate 44 is provided with a push button (hot water supply key) 52 as an operation member 51 on the left side, and a lower casing 45 b below the right side of the second horizontal plate 44. A connection port 45b1 connected to a water pipe 7c constituting a part of the liquid passage 7 is connected to the bottom portion by a sleeve joint 7d.

  The lower part of the push button (hot water supply key) 52 is made of silicon rubber or the like that can be bent in a bellows shape so as to cover the opening cylinder portion 41 a of the valve lid 41. An electric hot water supply valve 60 is accommodated in the valve chamber 46 immediately below the push button 52.

  The electric hot water supply valve 60 includes a valve body 61 that normally closes the electric hot water supply liquid passage 45c of the upper casing 45a, a valve rod 62 that extends upward from the valve body 61, and the valve body 61. A spring 64 urged upward so that the valve seat 63 of the passage 45c is normally seated from below is provided, and a cap 65 connected to the head of the valve rod 62 is provided. The spring 64 is provided between the valve body 61 and the lower casing 45b. Accordingly, as shown in FIG. 6B, when the push button 52 is pushed down against the urging force of the spring 64, the valve body 61 is moved down to open the electric hot water supply liquid passage 45c and to be opened. The amount of hot water supply can be adjusted by changing the opening amount of the electric hot water supply liquid passage 45c in accordance with the length of the depression stroke. On the contrary, when the push-down operation of the push button 52 is stopped, the electric hot water supply valve 60 is moved up by the urging force of the spring 64 to be closed (see FIG. 6 (A)). ).

  As shown in FIG. 6, the electric hot water supply valve 60 is provided with an operation panel 17 above the push button 52, and the operation panel 17 is always attached upward between the lower surface of the operation panel 17 and the push button 52. A spring 66 is provided. Then, by pressing down the push button 52 via the operation panel 17, the contact portion 67 formed at the lower end of the operation panel 17 turns on the terminal S <b> 1 of the hot water supply switch S for driving the electric pump 9, The electric pump 9 is activated and the liquid content is discharged from the discharge port 8 through the liquid passage 7. When the pressing of the push button 52 through the operation panel 17 is stopped, the operation panel 17 is moved up by the urging force of the spring 66 to return to the original state, the hot water supply switch S is turned off, and the hot water supply is stopped.

The valve chamber 46 separated from the electric hot water supply valve 60 accommodates an air hot water supply valve 70 in which the air hot water supply liquid passage 45d is normally opened. This air hot water supply valve 70 is formed integrally with a valve main body 71 for opening and closing an air hot water supply liquid passage 45d formed in the upper casing 45a at a position away from the electric hot water supply liquid passage 45c, and the valve main body 71. A lever portion 72 and a spring 73 provided between one end of the lever portion 72 and the cap 65 and normally biased upward are provided. When the spring 73 is biased upward and the lever portion 72 is moved upward as in the case of air hot water supply in FIG. 4 where the air pump 21 is pushed down to supply hot water, the valve body 71 is used for air hot water supply. Since the air hot water supply liquid passage 45d is opened and kept open at all times above the liquid passage 45d, the content liquid in the inner container 3 is kept while the air pump 21 is driven. The liquid is discharged from the discharge port 8 through the air hot water supply liquid passage 45d. At this time, the electric hot water supply liquid passage 45c of the electric hot water supply valve 60 is closed and closed as shown in FIG.
In addition, the content liquid at the time of this air hot-water supply flows in the direction shown by the arrow of FIG.

At the time of electric hot water supply, as shown in FIG. 5, by depressing the operating member 51 (push button 52), the liquid passage 45d for air hot water supply is closed by the valve body 71 of the air hot water supply valve 70 at the initial stage of operation. The liquid passage 45c is opened by the electric hot water supply valve 60, and the hot water supply switch S for driving the electric pump is turned ON. Then, by changing the opening cross-sectional area of the electric hot water supply liquid passage 45c according to the moving distance of the electric hot water supply valve 60, the amount of hot water supply at the time of electric hot water supply is changed, and the content liquid is discharged through the electric hot water supply liquid passage 45c. The liquid is discharged from the outlet 8. That is, the amount of hot water supply can be adjusted by the pressing stroke with respect to the operation member 51.
In addition, the content liquid at the time of this electric hot water supply flows in the direction shown by the arrow in FIG.

As can be seen from the above description, the liquid passages of the electric hot water supply mechanism and the air hot water supply mechanism are shared by the bubble 40 from the inside of the valve connected to the liquid passage 7 to the inside of the outlet of the valve to the discharge port 8. The
Both the electric hot water supply valve 60 and the air hot water supply valve 70 are opened and closed by a physical downward movement load of the push button 52.
The air hot water supply valve 70 is operated on the principle of leverage by closing the air hot water supply liquid passage 45d from above with the valve body 71 and pressing the push button 52 down. On the other hand, the electric hot water supply valve is operated by the direct pressing force of the push button 52 while closing the electric hot water supply liquid passage 45c from below.
4 and FIG. 5, 74 is a water stop valve accommodated in the valve chamber 46 immediately below the air hot water supply liquid passage 45d, and this is the air hot water supply liquid passage when the electric pot 1 is overturned or inclined. 45d is closed from below to prevent leakage of the content liquid from the air hot water supply liquid passage 45d.

(Example 2)
A second embodiment of the present invention will be described below with reference to FIG. FIG. 7 corresponds to FIG. 6 of the first embodiment, and the operation member 51 is particularly different from the first embodiment. For details, refer to FIGS. 1 to 6 of the first embodiment.
The operation member 51 of the second embodiment includes a push button 52 provided on the container so as to be movable up and down, a pressure plate 56 pivotally supported at one end by the container to depress the push button 52, and the pressure plate 56. And a lever 57 that is pivotally supported at one end by the body to move down the push button 52.

  A push button cover 55 having a contact portion 67 that covers the push button 52 and turns on / off the terminal S1 of the hot water supply switch S is provided on the push button 52.

Also in this embodiment, the electric hot water supply valve 60 is normally closed, the lever 57 is shown by a solid line in FIG. 7, and the pressing plate 56 is also shown by a solid line. When one end of the lever 57 is gripped and pushed down as shown by a chain line, the pressing plate 56 rotates about a pivot point 59 as shown by a chain line to move down the push button cover 55 and the push button 52, and the electric hot water supply valve. Move down 60. Therefore, the electric hot water supply liquid passage 45c is opened and the valve is opened.
In this embodiment, since the lever 57 is used, the downward movement operation of the push button 52 and the electric hot water supply valve 60 can be easily performed by the lever principle.

In each embodiment, the bubble 40 is provided at the end of the liquid passage 7 and the end of the bubble 40 is used as the discharge port 8. However, the bubble 40 may be provided in the middle of the liquid passage 7.
In each embodiment, the discharge port 8 is formed integrally with the bubble 40 itself. However, for example, a short tube or the like can be formed as a separate body connected to the outlet of the liquid passage of the bubble 40.

FIG. 3 is a longitudinal sectional view taken along line AA of FIG. 2 showing Example 1 of the present invention. It is a top view of Example 1 of the present invention. It is a top view of the bubble currently used for Example 1 of this invention. It is a BB line longitudinal cross-sectional view of FIG. 3, Comprising: The state at the time of air hot water supply is shown. It is a BB line longitudinal cross-sectional view of FIG. 3, Comprising: The state at the time of electric hot water supply is shown. It is CC sectional view taken on the line of FIG. 2, Comprising: The state which has not pushed down the operation member is shown. It is CC sectional view taken on the line of FIG. 2, Comprising: The state which pushed down the operation member is shown. It is a longitudinal cross-sectional view of the part corresponding to FIG. 6 which shows Example 2 of this invention.

Explanation of symbols

1 Electric Pot 2 Exterior Case 3 Inner Container 5 Lid 6 Heater 7 Liquid Path
8 Discharge port 9 Electric pump 15 Shoulder body 16 Hook 17 Operation panel 21 Air pump 40 Bubble 41 Valve lid
45 Casing 45c Liquid passage for electric hot water supply 45d Liquid passage for air hot water supply 46 Valve chamber 47 Discharge pipe section 51 Operation member 52 Push button (hot water supply key)
56 Pressure plate 57 Lever 60 Electric hot water supply valve 61 Valve element
62 Valve stem 63 Valve seat 64 Spring
66 Spring 70 Air hot water valve 71 Valve body 73 Spring S Hot water switch

Claims (2)

In the electric and air combined type electric pot that discharges the content liquid in the inner container from the discharge port through the liquid passage by driving the electric pump or the air pump.
At the end or in the middle of the liquid passage, there is provided a valve equipped with an air hot water valve that always opens the liquid passage for air hot water and an electric hot water valve that normally closes the liquid passage for electric hot water,
At the time of air hot water supply, the air hot water supply liquid passage of the valve is in an open state, the electric hot water supply liquid passage is in a closed state, and the content liquid in the inner container is moved by driving the air pump. It is discharged from the discharge port through
At the time of electric hot water supply, the air hot water supply liquid passage is closed by the air hot water supply valve, and the electric hot water supply liquid passage is electrically operated by depressing an operation member provided on the body so that the electric hot water supply valve can be pushed down. The hot water supply valve is opened by the hot water supply valve and the hot water switch for driving the electric pump is turned on, and the opening cross-sectional area of the electric hot water supply liquid passage is changed according to the moving distance of the electric hot water supply valve. An electric pot for both electric and air use, wherein the content liquid is discharged from the discharge port through the electric hot water supply liquid passage. The operating member includes a push button provided on the container so as to be movable up and down, a pressure plate pivotally supported at one end to depress the push button, and depressing the pressure plate to lower the push button. 2. The electric and air combined electric pot according to claim 1, further comprising a lever pivoted at one end to the container for movement.

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