JP5298600B2 - Electric hot water storage container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily and simply perform discharge of different discharge flow rates without erroneous operations by visibly and properly using two operation members for discharge operations at low and high flow rates respectively. <P>SOLUTION: On a container body 1 which can be fixed, the discharge at a low discharge flow rate by the single operation of a low discharge operation member 73 for operating a first discharge switch 71 for setting the low discharge flow rate and performing discharge, and the discharge at a high discharge flow rate by simultaneously operating the first discharge switch 71 by linking the low discharge operation part 73 with the operation of a high discharge member 74 for operating a second discharge switch 72 for setting the high discharge flow rate and performing the discharge by being simultaneously operated with the first discharge switch 71, are selectively performed. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to an electric hot water storage container that heats the content liquid to boil or keep warm and store it for use, and in particular, has a container that can be placed, and heats the content liquid with a heater to perform boiling and heat insulation. The present invention relates to an electric hot water storage container that stores hot water and discharges the stored content liquid through a discharge path by operating a discharge switch by operating a discharge operation member and operating a discharge means to use.

In this kind of electric hot water storage container, the two discharge switches are operated in two ways according to the difference in the operation amount for pushing one operation member, and the discharge flow rate can be selected by selecting a smaller or larger discharge flow rate. Already known (see, for example, Patent Documents 1 and 2), although it is a single operating member, it can be conveniently discharged at two different flow rates depending on the application and the required amount depending on the amount of operation. .
Japanese Patent Publication No. 6-81611 JP 2007-275128 A

  However, if one operating member is used for different operation amounts and the two discharge switches are operated in different states, the user cannot visually recognize the use boundary point, which causes confusion and easily causes an erroneous operation. Incorrect operation tends to occur especially when the operation amount is kept small and discharge is performed at a low flow rate, but the flow shifts to discharge at a high flow rate beyond that. is there.

  In view of the above problems, the object of the present invention is to make it possible to easily and easily perform discharge operations with different discharge flow rates without any erroneous operation by using the two operation members so that the discharge operations can be performed with a small and large flow rate. It is to provide an electric hot water storage container that can be used.

In order to achieve the above-mentioned object, a container that can be placed is provided , and the content liquid is heated by a heater to boil or keep warm, and the stored content liquid is operated by operating a discharge operation member. In the discharge method of the electric hot water storage container that is discharged through the discharge path by turning on the discharge switch and operating the discharge means, a small discharge operation that operates the first discharge switch that discharges by setting the discharge flow rate to a low level Discharge operation with a small discharge flow rate by operating the member alone, and operation of a large discharge member that operates the second discharge switch that discharges by setting a discharge flow rate higher by operating simultaneously with the first discharge switch It is only necessary to selectively perform discharge at a larger discharge flow rate by simultaneously operating the first discharge switch by interlocking the members.

Thus, over the stationary been device body, and the fewer the discharge operation member and generous discharge operation member, a lever type, both regardless of the differences in types, such as push button type, can under proper use operation of the viewing, In this proper operation, the first discharge switch corresponding to the operation of the smaller discharge operation member can be operated to discharge at a lower flow rate through the discharge passage, and the second discharge switch can be operated by operating the larger discharge operation member. At the same time, a small amount of discharge operation member is interlocked to operate the first discharge switch, and discharge can be performed at a large flow rate.

In order to realize such a discharge method , the electric hot water storage container of the present invention has a container that can be placed, and heats the content liquid with a heater so as to boil or keep the water hot and store the hot water. The first discharge switch that discharges through the discharge path by setting the discharge flow rate to a low level in the electric hot water container to be used by operating the discharge switch by operating the discharge operation member and turning on the discharge switch A second discharge switch that operates at the same time as the first discharge switch to discharge by setting a larger discharge flow rate, a small discharge operation member that can be operated independently and that operates the first discharge switch alone, basic that a generous discharge member operating to exert a discharge switch is interlocked with fewer discharge operating member exerts a simultaneous second discharge switch as exerting a first discharge switch 71 We are trying to be.

In particular, in the above basic configuration, fewer, generous each ejection operating member is made of a lever which is provided so as to extend to the front from the rear of the pivot point side to the upper surface of the front portion of the upper end of the vessel body, generous ejection operating member length from the pivot point to the operating point, long it is one of the characteristics than the length from the pivot point of fewer ejection operating member to the operating point.

In such a configuration, in particular, fewer, by generous each ejection operating member is in the upper surface of the front portion of the upper end of the vessel body, visually easily and on a more manageable, to the front from the rear of the pivot point With the lever provided so as to extend, an operation utilizing the distance from the rotation fulcrum, that is, the lever ratio, can be performed with the free end on the front side facing the user facing the body as the operation portion. In addition, the length from the rotation fulcrum of the large discharge operation member to the operation point is longer than the length from the rotation fulcrum of the small discharge operation member to the operation point, so that it is a discharge operation member at a large flow rate. The length from the rotation fulcrum to the operation point of the smaller discharge operation member is shorter than the length from the rotation fulcrum to the operation point of the larger discharge operation member. It makes you feel intuitive.

Further, in the above basic configuration, the distance from the pivot fulcrum to the corresponding push point for pushing the corresponding first and second discharge switches and the distance from the pivot fulcrum to the operation point of each of the small and large discharge operation members. lever ratio with are substantially equal and in another, characterized in that, fewer, it is possible to operate the recovery power of the generous each ejection lever by operating resistance of the same degree in the same.

  Further objects and features of the present invention will become apparent from the following detailed description. Each feature of the present invention can be used alone or in combination in various combinations as much as possible.

According to the basic configuration of the electric hot water storage vessel of the present invention, on the stationary been device body, fewer ejection operating member and then based on easily distinguish the operation of the viewing and generous discharge operation member, the fewer the ejection operating member The first discharge switch corresponding to the operation is operated to discharge at a small flow rate through the discharge passage, and the second discharge switch is operated by operating the larger discharge operation member, and at the same time, the first discharge switch is interlocked with the first discharge operation member. The discharge switch can also be operated so that discharge at a larger flow rate can be selectively achieved without erroneous operation.

According to one feature, in particular , each of the small and large discharge operation members is on the upper surface of the projecting portion of the upper end of the container body, and is easy to see and operate, and from the rear pivot point to the front. By the lever extending to the portion, a light operation using the lever ratio can be performed with the free end on the front side facing the user as a simple operation portion. In addition, the length from the rotation fulcrum of the large discharge operation member to the operation point is longer than the length from the rotation fulcrum of the small discharge operation member to the operation point. It is easy to make the difference in the discharge flow intuition easy, and it is possible to avoid the user from being confused or misoperating. According to another feature, in particular, fewer and more can be operated with the same operating resistance with the same return force of each discharge operation lever.

  Hereinafter, embodiments according to the present invention will be described in detail with reference to FIGS. 1 to 12 for understanding of the present invention. In addition, the following description is a specific example of this invention, Comprising: The content of description of a claim is not limited.

  This embodiment is an example of a household electric pot. As shown in FIG. 12, a stainless steel metal vacuum double container 3 containing a copper foil 4 and the content liquid are heated. Thus, the heater 11 applied to the single bottom of the vacuum double container 3 is provided, and these are accommodated in the outer case 2 to constitute the container 1. A discharge path 25 for discharging the content liquid to the outside of the container body 1 is connected to the single bottom portion of the vacuum double container 3, and this discharge path 25 rises between the vacuum double container 3 and the outer case 2, and the container body 1 The discharge port 25d faces the front portion of. An electric pump 26 is provided in the middle of the discharge passage 25 so that the content liquid can be discharged electrically. In addition to this, a manual bellows pump 50 is provided on the lid 13 that covers the opening 12 of the container 1 that leads to the mouth 3a of the vacuum double container 3 so that the vacuum double container can be pressed by the pressing plate 61. 3, pressurized air is blown into the interior 3 to pressurize the content liquid, and the liquid is pushed out through the discharge passage 25 and discharged to the outside.

  The rising portion 25a of the discharge path 25 is formed as a transparent tube so that the liquid amount therethrough can be seen through the liquid amount display window 62 shown in FIG. However, a flow rate sensor comprising a vane rotating by the discharge flow and a photocoupler for detecting the rotation speed of the vane is provided above the rising portion 25a of the discharge path 25 to start and end discharge, discharge flow rate, discharge amount, and remaining amount. The amount can be automatically detected.

  A metal heat shield plate 87 is provided on the back of the heater 11, and is screwed to a mounting bracket 88 attached by welding or the like to the lower surface of the vacuum double container 3 with a screw 89. A metal backup plate 90 and a spring member 94 are sandwiched therebetween, and the heater 11 is pressed against the single bottom portion of the metal vacuum double container 3 by the spring member 93 to be in close contact therewith.

  The exterior case 2 is provided in an assembly structure in which a metal body 23 is sandwiched between a resin bottom member 21 and the shoulder member 22, and an inner peripheral lower portion of the opening 12 of the vessel body 2 formed by the shoulder member 22. A suspension structure in which the flange portion at the upper end of the vacuum double container 3 is received from below by a flange portion, and a pulling structure (not shown) that connects the bottom portion and the bottom member 21 of the vacuum double container 3 and draws them together. Are assembled to form the body 1.

  The lid body 13 is pivotally supported by a bearing portion 24 provided at the rear portion of the shoulder member 6 so as to be opened and closed by a hinge pin 24. The hinge pin 24 can be moved in and out through the open portion 22a of the bearing portion 22 in a state where the lid body 13 is more than half-opened, and the lid body 13 can be attached and detached by this movement. However, in order to prevent inadvertent attachment / detachment, a stopper 28 is provided that closes the opening portion 22a by the bias of the spring 27, and the stopper 28 is opened only when the stopper 28 is opened.

  Further, the lid 13 is formed with a vapor passage 31 for releasing the vapor from the vacuum double container 3 to the outside, and is formed on the inner opening 31a of the position facing the vacuum double container 3 of the lid 13 and the outer surface exposed to the outside. The outer opening 31b is formed so as to communicate with the outer opening 31b. In the middle of the steam passage 31, when the container body 1 rolls over and the content liquid enters, a safety path 31 c is provided that temporarily accumulates or bypasses the liquid and delays reaching the outer opening 31 b. As a result, measures such as raising the container body 1 before the container body 1 rolls over and the content liquid flows out through the vapor passage 31 can be performed. In addition, when the container body 1 rolls over, the steam passage 31 is provided with a water stop valve 32 at the time of overturn that works by its own weight or the like so as to prevent the invading content liquid from proceeding forward. Is provided.

  A locking member 34 is provided at the front portion of the lid 13 so as to engage with a locking portion 33 such as a hole on the shoulder member 22 side in the closed position to lock the lid 13 in the closed position. In order to automatically engage with the locking portion 33, the spring 35 is always urged to the locked position by the bias of the spring 35. Correspondingly, the lid 13 is provided with a lock releasing member 36 for releasing the lock by operating the lock member 34 backward. The unlocking member 36 is of a lever type pivotally supported on the lid 13 by a shaft 37 as shown in the figure, and the lock member 34 is moved to the spring 35 by pushing down the front end 36a with a thumb or the like and turning it counterclockwise. The lock 13 is released by reversing the lock, and then the rear end 36b that has been raised by the unlocking operation is lifted with another finger, whereby the unlocked lid 13 can be lifted and opened.

  The electric pump 26 is a centrifugal pump provided at a position immediately below the vacuum double container 3, and feeds the content liquid flowing from the vacuum double container 3 to the discharge port 25 d facing the outside of the container 1 through the discharge path 25. The liquid is discharged from the discharge port 25d and used.

  A heat insulating wall 41 is provided around the body of the vacuum double container 3 and the cover 13 is also filled with a heat insulating member 42, and the vacuum space of the vacuum double container 3 and the copper foil 4 incorporated therein are also provided. In addition, the overall thermal insulation efficiency is further increased.

  Although not shown, the electric pump 26 is disposed between the bottom of the outer case 2 and the bottom of the vacuum double container 3 or between the body of the outer case 2 and the vacuum double container 3. A temperature sensor is applied from the bottom to the center of the single bottom 3c of the vacuum double container 3 while energizing the heater 11 and controls the current temperature of the content liquid, Temperature information is obtained in the case where the content liquid is heated and controlled in the hot water heating mode or the heat retention mode.

  A projecting portion 52 is formed on the front portion of the shoulder member 22 of the container body 1 so as to project in a bowl shape. The upper surface of the projecting portion 52 is an operation surface 53. As shown in FIG. Two small and large discharge operation members 73 and 74 for discharging at a small and large flow rate corresponding to the first and second discharge switches 71 and 72 set to two types are provided, and a small and a large The discharge operation at each flow rate is small and large, and the discharge operation members 73 and 74 can be visually recognized and used to easily and easily perform discharges with different discharge flow rates without erroneous operation. The operation surface 53 has a hot water supply lock / release key 75 for electrically disabling or releasing the discharge operation, other operation units for mode setting, and lamp displays corresponding to various operations. Alternatively, a liquid crystal display unit 76 indicating a selection state or an operation state is provided.

  Below the operation surface 35, that is, inside the operation surface 77, an operation board 77 is provided for performing transmission and reception of signals corresponding to the operation and display, and in addition to the first and second discharge switches 71 and 72, FIG. Necessary switches and a display unit as shown in the figure are provided, and in cooperation with the operation surface 55, external operation and display to the outside can be performed. The first and second discharge switches 71 and 72 are accommodated in the operation window 22a adjacent to the operation surface 55, and are mounted on another operation board 77a (FIGS. 3, 4, and 5). 5, FIG. 7, FIG. 8). The upper part of the discharge path 25 constitutes an inverted U-shaped unit 25c at a portion between the projecting portion 52 of the shoulder member 22 and the pipe cover portion 2d on the exterior case 2 side in the container body 1, A water stop valve 78 for overturning, a water stop valve 79 for forward tilting, and a discharge port 25d are provided. The discharge port 25d is opened downward through the pipe cover portion 2d.

  A rotary seat ring is fitted in the downwardly recessed portion 21a of the bottom member 21 of the outer case 2 so that it can rotate from below, and the top of the rotary seat ring 81 is placed when the container 1 is placed on a table surface or the like. It can be rotated slightly to change the direction.

  In the present embodiment, in particular, the container 1 that can be placed as described above is provided, and the content liquid is heated by the heater 11 to boil or keep warm, and the stored liquid is discharged. By operating the member to turn on the discharge switch and actuate the electric pump 26 serving as a discharge means, the first and second discharge switches 71, 71 are discharged as discharge methods of the electric pot to be discharged through the discharge passage 25 and used. In order to make it possible to select and use a small and large discharge flow rate without mistakes in the operation of using the small and large discharge operation members 73 and 74 corresponding to 72, discharge can be performed with a small discharge flow rate. Discharge at a small discharge flow rate by the single operation of the small discharge operation member 73 that operates the first discharge switch 71 to be operated, and the discharge flow rate is increased by operating simultaneously with the first discharge switch 71. The operation of the large discharge member 74 that causes the second discharge switch 72 to be discharged is operated in conjunction with the small discharge operation member 73, and the first discharge switch 71 is simultaneously operated to selectively discharge at a large discharge flow rate. Like to do. As a result, the small discharge operation member 73 and the large discharge operation member 74 can be selectively operated on the basis of visual recognition regardless of the type of lever type, push button type, etc. In this proper operation, the first discharge switch 71 corresponding to the operation of the small discharge operation member 73 can be operated to discharge at a small flow rate through the discharge passage 25, and the second discharge can be performed by operating the large discharge operation member 74. At the same time that the switch 72 is operated, the first discharge switch 71 is also operated in conjunction with a small discharge operation member 73, so that discharge can be performed at a large flow rate.

  As a result, the small discharge operation member 73 and the large discharge operation member 74 are easily and selectively operated on the stationary container 1 with visual recognition, and the first discharge corresponding to the operation by the small discharge operation member. Activate the second discharge switch by operating the switch and operating the second discharge switch by operating the large discharge operation member 74 and discharging the first discharge switch 71 by operating the small discharge operation member 73 at the same time. Thus, discharge at a larger flow rate can be selectively achieved without erroneous operation.

  The operation of the small discharge operation member 73 during the operation of the large discharge operation member 74 is such that, in the example shown in FIG. 3, the small discharge operation member 73 and the large discharge operation member 74 are adjacent to each other and are pressed down together. Correspondingly, a passive piece 73b that enters the lower side of the large discharge operation member 74 on the side adjacent to the large discharge operation member 74 of the small discharge operation member 73 and receives pressure when the large discharge operation member 74 is pushed down is provided. When the large discharge operation member 74 is pushed down, the large discharge operation member 74 presses the passive piece 73b from above to interlock the small discharge operation member 73, and the large discharge operation member 74 corresponds to the second one. At the same time that the discharge switch 72 is operated, the small discharge operation member 73 operates the corresponding first discharge switch 71. That is, by operating only one large discharge operation member 74, the first and second discharge switches 71 and 72 work and discharge at a large flow rate can be performed. Further, when the small discharge operation member 73 is pushed down, the discharge can be performed at a small flow rate by being pushed down independently from the large discharge operation member 74 and operating the corresponding first discharge switch 71.

  In order to realize such a discharge method, the electric pot according to the present embodiment discharges by operating simultaneously with the first discharge switch 71 and the first discharge switch 71 for discharging with a small discharge flow rate set. A second discharge switch 72 that discharges with a larger flow rate, a smaller discharge operation member 73 that can be operated independently, which operates the first discharge switch 71 alone, and a smaller discharge for operations that operate the second discharge switch 72 This can be realized by an electric hot water storage container characterized by including a large discharge member that operates the second discharge switch 72 simultaneously with the operation of the operation member 73 to operate the first discharge switch 71.

  Use control of the discharge at a small flow rate when the first discharge switch 71 works alone and the discharge at a large flow rate when the first and second discharge switches 71 and 72 work simultaneously are as follows: For example, when the operation signals of the first and second ejection switches 71 and 72 are input to the microcomputer IC 82 mounted on the control board 51 shown in FIG. The electric pump 26 is rotated at a low speed with a signal when the first and second discharge switches 71 and 72 are simultaneously operated, and the electric pump 26 is rotated at a high speed with a signal when the first and second discharge switches 71 and 72 are simultaneously operated. Discharge at a higher flow rate. The rotational speed of the electric pump 26 can be controlled by simple two-step control of current and voltage in the hot water supply circuit 83.

  Moreover, if the second discharge switch 72 is operated by operating the large discharge operation member 74 in a discharge state at a small discharge flow rate by the small operation unit 73, the discharge state from the discharge state at the low flow rate to the discharge state at the high flow rate is discharged. It can be switched without interruption or stop. On the contrary, the second discharge switch 72 is operated by operating the larger discharge operation member 74 and at the same time, in the discharge state at the larger flow rate by operating the first discharge switch 71 by interlocking with the smaller discharge operation member 73. When the small discharge operation member 73 is held at the operation position and the operation of the large discharge operation member 74 is released and returned, the operation of the second discharge switch 72 is stopped while the first discharge switch 71 remains operating. The discharge state can be switched from the discharge state at the higher flow rate to the discharge state at the lower flow rate without interruption or stoppage.

  A specific example of the drive control of the electric pump 26 will be described with reference to the hot water supply pump operation flowchart shown in FIG. 10. First, the push states of the first and second discharge switches 71 and 72 are determined. If it is not pushed, it can be determined that there is no discharge operation, so the hot water supply pump is kept stopped. When only the first is pressed, it can be determined that the discharge operation is performed at a low flow rate, and it is determined that there is no transition at a high flow rate, and the hot water supply pump continues to be driven at a low speed until an OFF state is determined. When it is determined that the water supply is off, the hot water supply pump is stopped.

  When the first and second are simultaneously pressed, it can be determined that the discharge operation is performed with a larger flow rate, and thus the hot water supply pump is continuously driven at a high speed until it is determined to be off. Even if it is determined to be off, the hot water supply is adjusted until the predetermined time elapses because there is a high possibility of switching to discharge at a lower flow rate in order to adjust the amount of hot water supply at the final stage of hot water supply or prevent rebound. The pump is switched to low rotation and it is repeatedly determined whether the first is pressed. If it is pressed, the hot water pump continues to be driven at low rotation as if it has been switched to discharge at a lower flow rate, and the first on is determined. If the predetermined time elapses without being performed, the hot water supply pump is stopped. Switching to discharge at a low flow rate by the first on determination with hot water pump low rotation control during such an automatic predetermined time is changed from a discharge state due to a high flow rate due to operation of the large discharge operation member 74 to a large amount. When the operation of the discharge operation member 74 is canceled and the operation state of the less discharge operation member 73 is maintained to switch to the discharge state with a lower flow rate, both the first and second discharge switches 71 and 72 are turned off even in a short time. Even in such a case, it is possible to prevent the interruption or temporary stop of ejection.

  In addition, the proper use control of the discharge at the small flow rate and the large flow rate by the first and second discharge switches 71 and 72 and the small and large discharge operation members 73 and 74 is controlled by the internal function of the microcomputer IC 82 as described above. Besides the control, it can be executed by a hardware circuit. The control circuit 84 shown in FIG. 11 shows such an example, and is equipped with a microcomputer IC 83 and necessary for hot water lock and release corresponding to the operation of the hot water lock / release key 75, driving and stopping of the electric pump 26, and the like. While performing soft control, a low rotation drive corresponding to a small flow rate and a high rotation drive corresponding to a large flow rate due to the difference between the first discharge key 71 being individually ON and the first and second discharge keys 71 and 72 being simultaneously ON. Is performed by the difference in resistance in the hot water supply circuit 83.

  In addition, a discharge mode with a small flow rate is set for each of the first discharge switch 71 and the second discharge switch 72 being turned on, and when the first discharge switch 71 is turned on, discharge with a small flow rate is performed. It is also possible to control so that the discharge is performed at a larger flow rate by overlapping the discharge modes at the smaller flow rates set by turning on the first and second discharge switches 71 and 72, respectively.

  More specifically, in each of the examples shown in FIGS. 1 to 5 and FIGS. 6 to 8, the discharge operation members 73 and 74 that are smaller and larger are extended to the front portion of the upper end of the container 1. 52 includes a lever that is provided on the upper surface of 52 so as to extend from the rear rotation fulcrum 91, 92 to the front, and as shown in FIG. The length L1 from the operation point 74a to the operation point 74a is longer than the length L2 from the rotation fulcrum 92 of the discharge operation member 73 to the operation point 73a. As a result, the small and large discharge operation members 73 and 74 are on the upper surface of the projecting portion 52 to the front of the upper end of the container 1, so that it is easy to see and operate, and the rear pivot point. Since the levers are provided so as to extend from 91 and 92 to the front, the free ends on the front side facing the user to the body 1 are the operation points 73a and 74a, and the distance from the rotation fulcrums 91 and 92 L1, L2, that is, an operation utilizing the lever ratio can be performed. In addition, the length L1 from the rotation fulcrum 91 to the operation point 74a of the large discharge operation member 74 is longer than the length L2 from the rotation fulcrum 92 to the operation point 73a of the small discharge operation member 73. It can be intuitively understood that the operation member 74 is a discharge operation member at a larger flow rate, and the length L2 from the rotation fulcrum 92 of the less discharge operation member 73 to the operation point 73a is the rotation support of the larger discharge operation member 74. By being shorter than the length L1 from 91 to the operation point 74a, it is possible to intuitively recognize that the small discharge operation member 73 is a discharge operation member with a small flow rate.

  As a result, the small and large discharge operation members 73 and 74 are on the upper surface of the projecting portion of the upper end of the container body 1 to be easily visible and easy to operate, and from the rear pivot fulcrums 91 and 92. By using the lever extending to the front, the free end on the front side facing the user can be used as the easy operation points 73a and 74a for easy operation utilizing the lever ratio. In addition, the length L1 from the rotation fulcrum 91 to the operation point 74a of the larger discharge operation member 74 is longer than the length L2 from the rotation fulcrum 92 to the operation point 73a of the smaller discharge operation member 73. Therefore, it is easy to intuitively understand the difference in the discharge flow rate due to the operation of the small and large discharge members 73 and 74, and the user can be prevented from being confused or mistakenly operated. Such a small and large difference is the difference between the large and small widths B1 and B2 of the discharge operation members 73 and 74 shown in the drawing, particularly the operation portion width B1 at the operation points 73a and 74a. The difference between large and small B2 makes me intuition. The intuitive effect is further enhanced by the combined use of both the length and width.

  Further, since the small and large discharge operation members 73 and 74 are adjacent to the operation surface 55 and close to the discharge port 25d, it is easier to intuitively understand that the operation members are related to discharge and hot water supply together with the display. As shown in the example shown in FIG. 5, the operation points 73 a and 74 a of the discharge operation members 73 and 74, which are small and large, are projected further forward from the tip of the projecting portion 52 of the container 1, so that the presence thereof is easily noticed. In addition, the lever is easy to operate, making it convenient for hot water supply operation. However, as in the examples shown in FIGS. 6 to 8, a small number and a large amount of each of the discharge operation members 73 and 74 are accommodated in the upper surface of the overhanging portion 52 of the container body 1 so as to achieve a compact size and a simplified external shape. You can also.

  Further, as representatively shown in FIG. 1, the distance L1a from the rotation fulcrum 91 of the large discharge operation member 74 to the pushing point 74b for pushing the second discharge switch 72 is the rotation of the small discharge operation member 73. The distance L2a from the moving fulcrum 92 to the pushing point 73b for pushing the first discharge switch 71 is made larger. In this way, in each of the small and large discharge operation members 73 and 74 having different lengths, the distance L1a from the rotation fulcrum 91 of the long large discharge operation member 74 to the pushing point 74b with respect to the second discharge switch 72 is short. By setting the distance L2a from the rotation fulcrum 92 of the discharge operation member 73 to the push point 73b with respect to the first discharge switch 71, the first and second discharge switches 71 and 72 are operated. The lever ratio can be close or equal regardless of the difference in length. Here, the distances L1a and L2a from the rotation fulcrums 91 and 92 of the small and large discharge operation members 73 and 74 to the push points 73b and 74b for pushing the corresponding first and second discharge switches 71 and 72 are here. And the lever ratios (L1: L1a and L2: L2a) to the distances L1, L2 from the rotation supports 91, 92 to the operation points 74a, 73a can be made substantially the same. The members 73 and 74 can be operated with the same operation resistance with the same return force.

  In the example shown in FIGS. 1 to 5, as shown in FIGS. 4 and 5, each of the discharge members 73 and 74 has a rear base piece 73 c and 74 c formed by the shoulder member 22 and a screw 95 inside thereof. It is fixed by being sandwiched between the fixed bottom cover 96, and has rising legs 73d and 74d that rise from the high base pieces 73c and 74c, toward the operation points 73a and 74a from the rotation fulcrums 91 and 92 side, Resin hinge portions 73e and 74e having bending fulcrums on the rotation fulcrums 91 and 92 are provided in the middle of the rising legs 73d and 74d. As a result, the small and large discharge members 73 and 74 are elastically bent at the resin hinge portions 73e and 74e, are pushed down on the operation points 73a and 74a side, and when the operation is released, the resin hinge portion 73e. 74e, the discharge members 73 and 74 are automatically returned to the state before the operation. In addition, the inner stepped portions 73h and 74h at the rear ends of the discharge members 73 and 74 are received from below by the stepped portion of the operation window 22a of the shoulder member 22, and a pressing load from the upper surface side is applied to the resin hinge portion 73e. , 74e.

  On the other hand, in the example shown in FIGS. 6 to 7, as shown in FIGS. 7 and 8, there are fewer and more automatic by the biasing of the springs 97 and 98 that act between the discharge members 73 and 74 and the bottom cover 96. I am trying to return. At the same time, by utilizing the fact that the small and large discharge members 73 and 74 are biased upward by the springs 97 and 98, the rear end upward stepped portions 73f and 74f are used as the rear edge of the operation window 22a of the shoulder member 22. It is hooked from below and does not move any further, so that it becomes the rotation fulcrums 91 and 92 at the time of the push-down operation at the operation points 73a and 74a. Centering around the rotation fulcrums 91 and 92, the small and large discharge members 73 and 74 are protruded upward from the operation point 22a on the operation point 73a and 74a side. This is prevented by contact with the front edge of the operation window 22a. In this example, the support structure for the small and large discharge members 73 and 74 is simplified.

  In addition, the bottom cover 96 accommodates the first and second discharge switches 71 and 72 as shown in the drawing, and is sealed with a seal member 99 sandwiched between the shoulder member 22 and water enters through the operation window 22a. Even if there is a waterproof effect, the first and second discharge switches 71 and 72 are not affected. Further, the first and second discharge switches 71 are tact switches, and 72 is a micro switch. This corresponds to a small operation stroke of the discharge member 73 and a large operation stroke of the large discharge member 74. Of course, both may be tact switches. In the illustrated example, the elastic pad 100 is sandwiched between the bottom cover 96 and the seal member 99, and the push protrusions 73g and 74g at the push points 73b and 74b of the discharge members 73 and 74, and the small and large, respectively. The gap between the corresponding first and second discharge switches 71 and 72 can be absorbed.

  The present invention is practically applied to an electric pot for home use, and can perform discharges with different discharge flow rates easily and easily without erroneous operation by properly using the lick and discharge operations at a large flow rate.

It is a perspective view around the discharge operation member installation part in the container upper part which shows one example of the electric hot water storage container which concerns on this invention. It is a top view of the discharge operation member installation part of FIG. FIG. 3 is a cross-sectional view of FIG. 2. It is a longitudinal cross-sectional view of the large discharge operation member installation part of FIG. It is a longitudinal cross-sectional view of the less discharge operation member installation part of FIG. It is a top view around the discharge operation member installation part in the container upper part which shows the other example of the electric hot water storage container which concerns on this invention. It is a longitudinal cross-sectional view of the large discharge operation member installation part of FIG. FIG. 7 is a vertical cross-sectional view of a portion with a small discharge operation member installation in FIG. It is a block diagram of the control circuit in the electric hot water storage container of FIGS. 10 is a flowchart illustrating an example of discharge control by the control circuit of FIG. 9. It is a control circuit diagram of the electric hot water storage container shown in FIGS. It is sectional drawing which shows the example of an internal structure common to the electric hot water storage container of each example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container 3 Metal vacuum double container 11 Heater 12 Opening 13 Cover body 22 Shoulder member 22a Operation window 25 Discharge path 25d Discharge port 26 Electric pump 50 Operation surface 52 Overhang part 55 Operation surface 71 1st discharge operation switch 72 1st 2 Discharge operation switch 73 Less discharge operation member 74 Large discharge operation members 73a, 74a Operation points 73b, 74b Push points 91, 92 Rotation fulcrums L1, L1a, L2, L2a Distance

Claims (2)

It has a container that can be placed, heats the content liquid with a heater, boils and keeps it warm, stores the hot water, operates the discharge operation member to turn on the discharge switch, and activates the discharge means. In the electric hot water storage container that is discharged through the discharge path and used for use,
A first discharge switch that discharges by setting a lower discharge flow rate, a second discharge switch that discharges by setting a higher discharge flow rate by operating simultaneously with the first discharge switch, and a first discharge switch A small discharge operation member that can be operated independently, and a large discharge member that operates the first discharge switch simultaneously with the operation of operating the second discharge switch in conjunction with the operation of operating the second discharge switch. Each of the small and large discharge operation members comprises a lever provided on the upper surface of the front portion of the upper end of the container so as to extend from the rear rotation fulcrum side to the front portion. the length from the fulcrum to the operating point, electric hot water storage container, wherein longer than the length from the pivot point of fewer ejection operating member to the operating point. It has a container that can be placed, heats the content liquid with a heater, boils and keeps it warm, stores the hot water, operates the discharge operation member to turn on the discharge switch, and activates the discharge means. In the electric hot water storage container that is discharged through the discharge path and used for use,
A first discharge switch that discharges by setting a lower discharge flow rate, a second discharge switch that discharges by setting a higher discharge flow rate by operating simultaneously with the first discharge switch, and a first discharge switch A small discharge operation member that can be operated independently, and a large discharge member that operates the first discharge switch simultaneously with the operation of operating the second discharge switch in conjunction with the operation of operating the second discharge switch. Lever between the distance from the rotation fulcrum to the corresponding first and second discharge switch and the distance from the rotation fulcrum to the operation point of each of the small and large discharge operation members. An electric hot water storage container characterized in that the ratio is substantially the same .

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