JPH0729956Y2 - Electric pouring hot water storage container - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a pouring path connected to the bottom of a body for pouring the content liquid out of the body, and a pouring path for the content liquid in the middle of a portion of the pouring path near the body. The present invention relates to an electric pouring type hot water storage container equipped with an electric pump that accommodates a blade that is sucked into the inside and sends it to the pouring outlet of the pouring path.

[0002]

2. Description of the Related Art This kind of electric hot water storage container is widely used as an electric pot for home use. It is convenient because the liquid content can be automatically dispensed by simply operating the electric pump with a switch.

[0003]

However, since the content liquid is heated to a higher temperature as the content liquid becomes smaller, bubbles are more likely to be mixed in the pump. If a lot of bubbles are mixed in the pump, the content liquid cannot be stably discharged, and the content liquid may be unstablely or poorly dispensed, which impairs normal use.

Therefore, an object of the present invention is to provide an electric pouring type electric hot water storage container which can solve the above-mentioned conventional problems only by improving the installation state of the electric pump.

[0005]

In order to achieve the above-mentioned object, the first invention of the present application is to provide a spout for connecting a bottom portion of a container and pouring a liquid content out of the container, and a spout for this liquid. An electric pouring type hot water storage container equipped with an electric pump that is provided in the middle of a portion of the container in which the content liquid is sucked into the pouring path and is sent to the pouring outlet of the pouring path.
The electric pump is characterized in that a casing accommodating the blades is installed with its suction port facing upward, and a filter section is provided in a part from the suction port to a suction port connection portion at the bottom of the body.

In the second invention of the present application, a pouring path connected to the bottom of the body for pouring the content liquid out of the body, and a pouring solution provided in the middle of the pouring path in the vicinity of the body for pouring the content liquid. An electric pouring type hot water storage container equipped with an electric pump containing a vane that sucks into the outlet and sends it to the outlet of the outlet, wherein the electric pump has an inlet of a casing containing the vane facing upward. The casing is characterized in that the inner surface of the upper surface of the casing has a cap-shaped tapered surface from the periphery to the inlet.

In the third invention of the present application, a pouring path connected to the bottom of the body for pouring the content liquid out of the body, and a pouring solution provided in the middle of the pouring path in the vicinity of the body for pouring the content liquid. An electric pouring type hot water storage container equipped with an electric pump containing a vane that sucks into the outlet and sends it to the outlet of the outlet, wherein the electric pump has an inlet of a casing containing the vane facing upward. The filter is installed in a part from the inlet to the inlet connection at the bottom of the body, and the casing has a cap-shaped tapered surface on the inner surface of the top wall from the periphery to the inlet. To do.

A fourth aspect of the present invention is any one of the first to third aspects, further characterized in that the suction port is connected to the bottom of the body through a vertical passage.

[0009]

In the above configuration of the first invention of the present application, the electric pump connected to the bottom of the container and provided in the vicinity of the container in the pouring path for discharging the content liquid outside the container is the suction port of the casing. Is installed facing upwards and communicates with the inside of the bottom of the body from the vicinity thereof, so that the content liquid is heated and kept at a high temperature and bubbles generated by boiling also reach the casing of the electric pump, Due to the rising characteristics of the bubbles, the bubbles can easily escape from the upward suction port of the casing to the container side, and it is possible to prevent the bubbles from staying in the casing and impeding the pouring of the content liquid.

Further, since the filtering portion is provided between the suction port of the electric pump and the suction port connecting portion at the bottom of the body, it is possible to prevent bubbles generated in the body from entering the electric pump side. Even if tea leaves or the like are floating in the body, it is possible to prevent such things from entering the electric pump side.

Further, even when the electric pump is directly connected to the drive motor, since this motor is located at least the electric pump with respect to the body, the influence of heat from the heater of the body can be prevented.

In the above configuration of the second invention of the present application, as in the case of the first invention, it is provided in the vicinity of the container body in the pouring path which is connected to the bottom of the container body and discharges the content liquid outside the container body. Since the electric pump is installed with the inlet of the casing facing upward and communicates with the inside of the bottom of the body from its vicinity, the liquid content is heated and kept at a high temperature, and bubbles generated by boiling are generated by the electric pump. Even if it reaches the inside of the casing, it is easy to escape to the body side from the upward suction port of the casing due to the rising characteristic of the foam, and it is possible to prevent the foam from staying inside the casing and obstructing the pouring of the content liquid. However, since the inner surface of the upper wall of the casing is a cap-shaped tapered surface from the periphery to the suction port, it is possible to promote the transfer of bubbles extending inside the casing from the suction port to the body side, But It becomes easy to prevent the remaining in the dynamic pump.

According to the third invention of the present application, since both the configurations of the first invention and the second invention are provided in combination, the effects of both the first invention and the second invention can be exhibited together. .

In the above-described structure of the fourth invention of the present application, in any one of the first to third inventions, the suction port of the casing is connected to the bottom of the body by a vertical passage, so that the bubbles in the casing are formed. Can be more easily transferred to the body side through the suction port.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

This embodiment shows the case of an electric pot capable of boiling water and pouring the content liquid by a non-pressurized type electric pump. As shown in FIG. 1, the inner container 2 in which the heater 61 is applied to the lower surface of the bottom is housed in the outer case 3 to form the body 1.

The inner container 2 receives an upper end flange by a shoulder member 4 made of synthetic resin, which is forcibly fitted to the upper end of the outer case 3.

A bottom ring 5 made of synthetic resin is applied to the lower end of the outer case 3, and the bottom ring 5 and the bottom of the inner container 2 are connected by a connecting fitting (not shown) to form the outer case 3 and the inner container 2. And the bottom ring 5 are integrated with each other. A bottom lid 10 is attached to the opening of the bottom ring 5 by fitting a plurality of claws and fixing it with a screw at one place. The bottom lid 10 is rotated at its outer peripheral portion by a plurality of claws 8 provided on the bottom lid 10. The seat body 9 is rotatably fitted so that the body body 3 can be rotated on the rotary seat body 9 when the body body 1 is stationary.

A pouring path 11 for pouring the content liquid is connected to the bottom of the inner container 2. The pouring path 11 is a space between the inner container 2 and the outer case 3 and rises up into a beak-shaped projection 12 provided at the front part of the shoulder member 4, and at this part, U
The discharge port 19 is bent downward and opens downward. A pouring pump 13 for feeding the content liquid flowing into the pouring path 11 to the discharge port 19 is provided in a portion of the pouring path 11 below the inner container 2, and is driven by a motor 14.

The pouring pump 13 is installed so that the axial inlet port 13c of the casing 13b accommodating the vanes 13a faces upward, and the vertical passage 30 is provided at the bottom of the inner container 2.
1 is connected.

The vertical passage 301 includes a connection pipe 302 welded to the bottom of the inner container 2, a suction port 13c integrally formed with a synthetic resin casing 13b, and a synthetic resin straight joint pipe 303 connecting these. It is formed by.

As the content liquid becomes smaller, the content liquid is heated and kept at a high temperature, and when it is boiled, bubbles are generated, which also spread in the casing 13b of the pouring pump.
Instable pouring of the content liquid by the outflow pump 13,
Poor pouring may occur.

However, in the casing 13b installed in the above-mentioned direction, even if the bubbles reach the inside of the casing 13b, they can be escaped upward through the suction port 13c, and the bubbles are present in the casing 13b. Thus, it is possible to eliminate the problem of obstructing the pouring of the content liquid by the pouring pump 13.

In particular, the suction port is provided at the bottom of the inner container 2 with a vertical passage 30.
Since they are connected at 1, the bubbles can be smoothly escaped upward, and even if a large amount of bubbles are present in the casing 13b, they can be sufficiently escaped to the inner container 2 side. Further, the connecting pipe 303 and the suction port 13c
The mesh-like filter 306 sandwiched between the connection boundary portion with and prevents the invasion of bubbles, tea leaves, etc. from the inner container 2 side, and the pouring by the pouring pump 13 can be stably performed. .

The content liquid discharged from the discharge port 19 is once exposed to the atmosphere, and then provided on the lower cover 15 attached to the front part of the outer case 3 which is fitted to the lower side of the beak-shaped protrusion 12. The liquid is received by the liquid injection guide 16, guided by the liquid injection guide 16, and injected. The liquid injection guide 16 has a double pipe structure, and the liquid to be discharged is easily opened to the atmosphere, and at the time of liquid injection, the outside air is sucked in to form a fine foam in the liquid injection together with the foam breaking net 20 to be extremely quiet. Moreover, it is possible to inject liquid without bounce.

The liquid injection guide 16 is detachably attached to the lower cover 15 by a screwing portion 18 to an opening provided therein. Further, the rising portion of the pouring path 11 has the same liquid level as the inner container 2, and the liquid amount detecting unit 21 for detecting the liquid amount by the capacitance method or the photo sensor method detects three points by three photo sensors. It is provided by the method.

A water shutoff valve 22 for overturning is provided immediately upstream of the bent portion of the spout passage 11.

A heat shield plate 24 is screwed below the bottom of the inner container 2 using a metal fitting 23, and a restraining spring 28 is sandwiched between the heat shield plate 24 and the back side of the heater 61, whereby the heater is heated. 61 is pressed against the bottom surface of the bottom of the inner container 2. The motor 14 is attached to a part of the heat shield plate 24.

A temperature sensor 33 for detecting the temperature of the content liquid is provided in the central through hole of the heater 61, and a holding plate 35 screwed to the heat shield plate 24 holds the temperature sensor 33 via the heat shield wall. is doing.

The circuit box 41 and the pump holding pocket 304 are formed on the bottom ring 5 so as to face downward. The circuit housing box 41 includes a lid portion 42 integrally formed with the bottom ring 4, and a container portion 44 attached to the lid portion 42 from below. A seal packing 47 is sandwiched at a joint between the container portion 44 and the lid portion 42 to form the circuit housing box 42 as a hermetic container. This makes the circuit board 48 housed in the circuit housing box 41 waterproof enough.

The pump holding pocket 304 has a plurality of downward holding hooks 305, and the casing 13b is fitted between the holding hooks 305 from below to hold the pouring pump 13.

The drive motor 14 of the pouring pump 13 is connected to the lower surface of the pouring pump 13 and is directly connected to the rotary shaft of the blade 13a. In this state, the motor 14 is separated from the heater 61 at the bottom of the inner container 2 by the heat shield plate 24, the bottom ring 5, and the pouring pump 13 in multiple layers. Therefore, the pouring pump 13 is connected to the bottom portion with the heater 61 in a state of being almost directly connected, and although the motor 14 is in a position very close to the heater 61, it is sufficiently protected from the influence of heat from the heater 61.

A body lid 62 is provided on the upper end of the body 1. The body lid 62 has a hinge pin 6 attached to the shoulder member 4 at the rear portion thereof.
It is pivotally attached by means of 3. This pivoting is performed on a bearing member 64 that is detachably fitted to the shoulder member 4, and the body lid 62 can be attached and detached by attaching and detaching the bearing member 64. This makes it easy to clean the inside of the container 1 and to supply and discharge the content liquid.

The bearing member 64 is inserted into the recess 65 of the shoulder member 4 from above, and the resin spring piece 164 elastically engages with the locking portion 66 in the recess 65 to prevent accidental disengagement. In order to surely lock the bearing member 64 in the mounted state and to release it, the hook member elastically engages with a part of the bearing member 64 inserted into the recess 65.
The lock member 67 is slid in the lock releasing direction against the spring 221 to release the lock.

The body lid 62 is connected to the bearing member 64 by the spring 6
8 is urged in the opening direction, and the closed state is the vessel lid 62.
The lock member 69 provided at the front end portion of is locked by being engaged with the locking portion 72 provided at a part of the shoulder member 4 by the bias of the spring 71.

The lock member 69 is guided forward and backward by a projection 83 formed on the upper surface of the back plate 82 of the body lid 62.

On the slope 75 of the lock member 72, the body lid 6
A protrusion 78 at the tip of a lock release lever 77 pivotally attached at the rear by a shaft 76 is in contact with the bearing 201 in the second bearing. The lock release lever 77 is the lock member 69.
When the spring 71 is advanced to the engagement position, it is pushed upward by the slope 75 through the protrusion 78, and the operation portion 79 at the tip end is moved from the upper surface opening 81 of the body lid 62 to the body lid. It is exposed so as to be flush with the surface of 62.

When the operation portion 79 is pushed down in this state, the lock release lever 77 is rotated counterclockwise and the projection 78 is rotated.
The sloping surface 75 of the lock member 69 is pushed by the lock member 69 against the spring 71, and the lock member 69 is retracted to disengage from the locking portion 72. Therefore, the lock of the body lid 62 in the closed state is released. At the time when this lock release is completed, there is a play in the unlocking direction between the lock release lever 77 and the body lid 62, and the body lid 62 is released from the pressing operation of the lock release lever 77. It is slightly rotated in the opening direction by the spring 68 regardless of whether it is performed or not.

As a result, the lock member 69 is slightly displaced upward from the position of the locking portion 72, so that the lock member 69 is again moved to the locking portion 72 by a natural operation of releasing the lock and releasing the operating portion 79. The body lid 62 is automatically opened to the fully opened state by the spring 68 without any engagement.

The lock release lever 77 has a safety member 111.
Is working. The safety member 111 is supported by the body lid 62 so as to be slidable in the longitudinal direction of the lock release lever 77. When the slide operation is performed by the operation portion 112, the locking portion 113 is advanced and retracted below the tip of the lock release lever 77, and when the lock release lever 77 is entering below the tip, the lock release lever 77 is prevented from moving downward, Prevents inadvertent unlocking.

A spring piece 84, which is pressed against the outer peripheral portion of the bearing member 64, is attached to the rear portion of the body lid 62 by a screw 85. This spring piece 84 is in sliding contact with the outer periphery of the bearing member 64 when the container lid 62 is opened and closed, so that the container lid 62 is closed by the spring 6.
8 exerts braking on the opening operation when opened. Therefore, the automatic opening operation of the container lid 62 at the time of releasing the lock is performed slowly.

On the lower surface of the back plate 82 of the vessel lid 62, the inner container 2
An inner lid 85 made of metal for closing the rear part is applied, and is screwed at a position not shown. A seal packing 86 facing the rim of the inner container 2 is sandwiched between the outer periphery of the inner lid 85 and the back plate 82, and when the container lid 62 is closed, the inner lid 85 is the seal packing 86 portion. The inner container 2 is closed by coming into contact with the rim of the inner container 2.

A steam passage 87 is provided between the inner lid 85 and the back plate 82 to allow steam generated in the inner container 2 to escape to the outside. The steam passage 87 has an opening 88 to the inner container 2 side in the inner lid 85, and an opening 89 to the outside on the upper surface of the rear side of the vessel lid 62. A valve chamber 91 fitted to the back plate 82 from below is provided in the opening 88, and a water stop valve 92 at the time of tipping is provided in the valve chamber 91 which is closed when the body 1 falls.

Immediately downstream of this valve chamber 91 is a vessel lid 62.
The first pool 93 with a wide space reaching the upper part of the
When the body 1 falls over to the left or right and the content liquid tries to flow out through the steam passage 87 without being stopped by the water shutoff valve 92 at the time of the fall, the content liquid to flow out is The first reservoir 93 is stored, and the outflow to the downstream side is suppressed and prevented until the content liquid overflows.

As a result, the outflow of the content liquid to the outside is suppressed, and it is possible to provide a sufficient time margin for returning the container 1 to the normal state before the outflow to the outside. For this reason, the passage cross-sectional area of the outflow port 94 from the first reservoir 93 to the downstream side is made small, and the first reservoir 9 is provided to the outflow port 94.
Various devises are made such that the shape of 3 is spread in both the left and right directions of the body 1 and the upper surface side of the body lid 62.

On the downstream side of the outflow port 94 of the first pool 93, a second pool 95 is provided which extends rearward from the opening 89. Since the second pool portion 95 extends rearward from the opening 89, even if the container body 1 falls backward and the content liquid flows out without pooling in the first pool portion 94,
This is stored in the second pool portion 95 which is lower than the opening 89 to delay and prevent the outflow from the opening 89 to the outside.

A lateral opening 9 is provided below the second pool 95.
An auxiliary reservoir 97 communicated by 6 is also provided. The auxiliary reservoir 97 can receive and store the content liquid that is about to flow out even if it overflows the first and second reservoirs 94 and 95. Further suppress the outflow of.

A drain port 98 is provided at the rear of the second pool 95.
Is provided and the body lid 62 is opened, the first, second,
The liquid contents stored in the auxiliary reservoirs 94, 95, 97 are made to flow down into the inner container 2 of the container 1. However, if the drain port 98 is in the open state with the body 1 closed, when the content liquid flows out to the steam passage 87 when the body 1 falls, the body 1 and the body lid 6 are drained through the drain port 98.
It leaks between the two.

In order to eliminate this, a seal lip 99 is provided at the drain port 98, and when this is in the closed state of the body lid 62, the drain port 98 is pressed against the inner surface of the shoulder member 4 so that the drain port 98 can seal the seal lip 99 and the shoulder member 4. It is designed to be closed by the inner surface of.

Control circuit 1 mounted on the circuit board 48
00 is the one using the microcomputer 101. The pouring operation key 102 provided on the operation panel 201 provided on the upper surface of the beak-shaped protrusion 12 is provided so as to press the pressure sensor 103, and the pressure sensor 103 measures the difference in pressing force during the pouring operation. By converting the signal into an electric signal and inputting it to the microcomputer 101, the drive voltage of the pouring pump 13 is switched to increase / decrease the pouring flow rate.

FIG. 2 shows a second embodiment of the present invention, in which a suction grid 13c of the casing 13b has a filter grid 306 made of resin as a filter 306, and especially the inner surface of the upper wall 13d of the casing 13b is This is different from the case of the first embodiment in that a cap-shaped tapered surface is formed toward the suction port 13c.

Due to the tapered surface, the casing 13b
Since the bubbles reaching the inside can be easily transferred to the inner container 2 side, the influence of the bubbles on the pouring action of the pouring pump 13 can be more sufficiently prevented as compared with the case of the first embodiment. it can. In some cases, the influence of bubbles can be prevented without providing the filter 306.

[0053]

According to the first invention of the present application, the electric pump connected to the bottom of the body and provided in the middle of the body in the pouring path for pouring the content liquid to the outside of the body has the suction port of the casing. Since it is installed facing upwards and communicates with the bottom of the body from its vicinity, the contents liquid is heated and kept at a high temperature, and even if the bubbles generated by boiling reach the inside of the casing of the electric pump, Due to the rising characteristics of the above, it is easy to escape from the upward suction port of the casing to the body side,
It is possible to prevent bubbles from accumulating in the casing and obstructing the pouring of the content liquid, and a filtering unit is provided between the inlet of the electric pump and the inlet connection at the bottom of the body. As a result, bubbles generated inside the body can be prevented from entering the electric pump side, and even if leaves such as tea leaves are floating inside the body, such a thing can enter the electric pump side. Also, the pouring of the content liquid by the electric pump can be stably achieved without being affected by bubbles or tea leaves.

Further, even when the electric pump is directly connected to the drive motor, this motor is located at least the electric pump with respect to the body, so that it is possible to prevent the influence of heat from the heater of the body. The durability of the motor can be improved without the need for a simple installation structure.

In the above configuration of the second invention of the present application, as in the case of the first invention, it is provided in the vicinity of the vessel in the pouring path connected to the bottom of the vessel and pouring the content liquid out of the vessel. Since the electric pump is installed with the inlet of the casing facing upward and communicates with the inside of the bottom of the body from its vicinity, the liquid content is heated and kept at a high temperature, and bubbles generated by boiling are generated by the electric pump. Even when it reaches the inside of the casing, it is easy to escape to the body side from the upward suction port of the casing due to the rising characteristic of the foam, and it is possible to prevent the foam from staying inside the casing and obstructing the pouring of the content liquid. ,
In addition, the influence of heat from the motor heater can be prevented and durability can be improved, but in particular, the inner surface of the upper wall of the casing has a cap-shaped tapered surface from the periphery to the suction port, so it does not extend into the casing. It facilitates the transfer of bubbles from the suction port to the body side, and it becomes easier to prevent bubbles from staying in the electric pump, and pouring by the electric pump can be stably achieved without the influence of bubbles. .

According to the third invention of the present application, since both the configurations of the first invention and the second invention are provided in combination, the operational effects of both the first invention and the second invention can be exhibited together. it can.

In the above-described structure of the fourth invention of the present application, in any one of the first to third inventions, further, since the suction port of the casing is connected to the bottom portion of the body by the vertical passage, bubbles in the casing are formed. Can be more easily transferred to the body side through the suction port, and the influence of bubbles on the pouring of the content liquid by the electric pump can be further reliably prevented.

[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 an enlarged sectional view of a portion of an electric pot showing a second embodiment of the present invention.

[Explanation of symbols]

 1 Body 2 Inner Container 11 Outlet Path 13 Outlet Pump 13a Blade 13b Casing 13c Suction Port 13d Top Wall 19 Outlet 301 301 Vertical Passage 302 Connection Pipe 303 Joint Pipe 306 Filter

Claims (4)

[Scope of utility model registration request] 1. A pouring path connected to the bottom of the body for pouring the content liquid out of the body, and a pouring path provided in the vicinity of the body of the pouring path for sucking the content liquid into the pouring path. An electric pouring type hot water storage container equipped with an electric pump containing a blade for sending the same to a pouring outlet of a pouring path, wherein the electric pump is installed with a suction port of a casing accommodating the vane facing upward. An electric pouring type hot water storage container, characterized in that a filter portion is provided in a part from the mouth to the inlet connection portion at the bottom of the vessel. 2. A pouring path connected to the bottom of the body for pouring the content liquid out of the body, and a part of the pouring path near the body for sucking the content liquid into the pouring path. An electric pouring type hot water storage container equipped with an electric pump containing a blade for feeding the blade to the pouring outlet of the pouring path, wherein the electric pump is installed with the suction port of the casing containing the vane facing upward. The electric pouring type hot water storage container is characterized in that the inner surface of the upper wall is a cap-shaped tapered surface from the periphery to the inlet. 3. A pouring path connected to the bottom of the body for pouring the content liquid out of the body, and a part of the pouring path near the body for sucking the content liquid into the pouring path. An electric pouring type hot water storage container equipped with an electric pump containing a blade for sending the same to a pouring outlet of a pouring path, wherein the electric pump is installed with a suction port of a casing accommodating the vane facing upward. A filter is provided in a part from the mouth to the inlet connection at the bottom of the body, and the casing has a cap-shaped tapered surface on the inner surface of the upper surface of the casing from the periphery to the inlet. Hot water storage container. 4. The electric pouring type hot water storage container according to claim 1, wherein the suction port is connected to the bottom of the vessel through a vertical passage.