JP2589975Y2 - Electric water purifier - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention relates to an electric water purifier.

[0002]

2. Description of the Related Art In a conventional electric water purifying pot, a water purifying filter is attached to an inner peripheral edge of an opening portion of a pot inner container, and water pumped up from a water pump through a switching valve is passed through the water purifying filter to purify purified water. I was trying to put it back in the inner container.

In this case, in order to prevent the water filter from being constantly immersed in water, in the conventional case, it was necessary to mount the water filter above the full position of the inner container. For this reason, the overall height of the pot is increased, and the pot may be hindered when water is poured into the inner container or when the inner surface is washed.

[0004] For this reason, it is known that a water purification filter is provided inside the lid, and the passage on the container main body side and the passage on the lid side are communicated when the lid is closed, and are separated into a non-communication state when the lid is opened. (See JP-A-4-361712).

[0005]

However, in the above-mentioned publication, since each end of the passage on the container body side and the end of the passage on the lid side are both opened when the lid is opened, the passages in each of the passages are open. There is a risk that the hot water remaining in the tank will flow out.

[0006] In view of the above, an object of the present invention is to provide an electric water purification pot in which the overall height of the pot is kept low by providing a water purification filter inside the lid, and there is no danger of hot water flowing out when the lid is opened. I do.

[0007]

Means for Solving the Problems In order to solve the above-mentioned problems, a first means of the invention according to the present application is to provide a pumping passage communicating with an inner container via a pump and support the inner container. A discharge port is provided in the beak of the shoulder, the lid of the inner container is attached to the shoulder, a water purification filter whose outlet side is open to the inner container is housed inside the lid, and the water purification passage branches from the pumping passage. A switching valve is housed inside the shoulder, and the switching valve selectively connects the pumping passage to the discharge port and the water purification passage to the water purification filter so as to communicate with each other. In the electric water purifying pot, a lower valve chamber and an upper valve chamber are provided on a side of the shoulder body and the lid that are vertically opposed to each other on a side of the shoulder body, and a lower valve hole and an upper valve of the lower valve chamber are provided. The upper valve hole of the chamber is communicated when the lid is closed. The outlet side of the water purification passage connected to the outlet side communicates with the lower valve chamber, and the lid water purification passage connected to the inlet side of the water purification filter communicates with the upper valve chamber. The upper valve body provided in the upper valve chamber is biased downward in the valve closing direction, and the upper and lower valve bodies are respectively added when the lid is opened. By closing the valve by the biasing force, and pressing the upper valve body and the lower valve body against each other when the lid is closed,
The valve is configured to retract and open the valve against each biasing force.

The second means is provided with a water pumping passage communicating with the inner container through a water pump, a discharge port is provided in a beak portion of a shoulder supporting the inner container, and a lid of the inner container is provided with the lid. A water purification filter, which is attached to the shoulder and whose outlet side is open to the inner container, is housed inside the lid, and a water purification passage communicating with the inner container through a water purification pump is provided, and the water pumping passage communicates with the discharge port. And, in the electric water purifying pot that connects the water purification passage to the inlet side of the water purification filter,
A lower valve chamber is provided on the shoulder side of the portion where the above-mentioned shoulder body and the lid are vertically opposed, and an upper valve chamber is provided on the lid side. Let it communicate when the lid is closed,
The water purification passage communicates with the lower valve chamber, and the lid water purification passage connected to the inlet side of the water purification filter communicates with the upper valve chamber. The lower valve body provided in the lower valve chamber is closed. The upper valve body provided in the upper valve chamber is urged upward in the valve direction, and the upper valve body provided in the upper valve chamber is urged downward in the valve closing direction. When the valve is closed, the upper valve body and the lower valve body are pressed against each other, so as to be retracted against the respective urging forces and opened.

[0009]

In the electric water purifying pot of the first means,
After water is put into the inner container and the lid is closed, when the kettle is heated, the pump is driven by a signal from the control device. At first, the discharge port side of the pumping passage is closed by the switching valve, so that the water passes through the water purifying passage branched from the pumping passage, enters the water purifying filter on the way, is purified there, and returns to the inner container.

The pump is driven for a required time and then stopped.

[0011] In the electric pot of the second means, after the water is filled in the inner container and the lid is closed, when the water purification pump is driven, the water passes through the water purification passage, enters the water purification filter on the way, and is purified there. Return to the vessel.

Note that the water purification pump is driven and stopped for a required time.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The above-mentioned first means is shown as a first embodiment and a second embodiment. The second means is shown as a third embodiment.

In the electric water purifying pot of the first embodiment shown in FIGS. 1 and 2, the upper end opening of the inner container 2 is supported on the inner peripheral edge of the shoulder 1 of the pot. Outside the inner container 2, the body 3
The upper end of the body 3 is engaged with the outer peripheral portion of the shoulder body 2 and the lower end thereof is engaged with the bottom body 4. The bottom of the inner container 2 and the bottom body 4 are connected by a fastening device (not shown). Be integrated.

A lid 6 is attached to the rear upper end of the shoulder 1 by a hinge pin 5 so as to be openable and closable. A beak 7 is provided at the front end of the shoulder 1.

A pump 11 is provided between the bottom of the inner container 2 and the bottom body 4. The inlet side of the water pump 11 communicates with the bottom surface of the inner container 2, and the outlet side thereof is connected to the lower end of the water pump passage 12. A branch tube 10 is provided at the upper end of the pumping passage 12, and the branch tube 10 branches the purified water passage 16.

A switching valve 13 including a first switching valve 14 and a second switching valve 15 is provided inside the beak 7 of the shoulder 1. The above-described pumping passage 1 is provided on the inlet side of the first switching valve 14.
2 is connected, and the outlet side communicates with the discharge port 8. The inlet 16a of the water purification passage 16 is connected to the inlet of the second switching valve 15, and the outlet 16b of the water purification passage 16 is connected to the outlet.

When the first switching valve 14 is opened by an external operation, the pumping passage 12 communicates with the discharge port 8 and the second switching valve 15 is opened. ,
The inlet 16a of the water purification passage 16 communicates with the outlet 16b.

As shown in FIG. 2, the beak 7 of the shoulder 1
The lid receiving step 17 is provided on the inner surface of the
And a part of the lid 6 is placed on the upper surface and opposed to the upper surface. The lid receiving step 1
7, a lower valve hole 18 is provided.
9 are provided. The lower end of the lower valve chamber 19 is connected to the tip of the outlet side 16b of the water purification passage 16, and the lower valve chamber 19
Lower valve element 2 urged upward by spring 21 inside
O-ring 2 mounted on the lower valve body 22
3 opens and closes the lower valve hole 18 of the lower valve chamber 19.

The lid 6 is also provided with an upper valve chamber 24 opposed to the lower valve hole 18, and a tube 20 forming a lid water purification passage is connected to the upper end of the upper valve chamber 24. An upper valve body 26 urged downward by a spring 25 is housed in the upper valve chamber 24. A packing 27 is attached to a lower end of the upper valve chamber 24, and an upper end of the packing 27 serves as a valve seat 28. When the lower end of the packing 27 is closed, the packing 27 is pressed against the lower valve hole 18 of the lid receiving step 17. And sealed.

The upper valve body 26 has a packing 27 inside,
That is, the valve stem 31 penetrating the upper valve hole 29 is provided,
2, the lower end of the valve rod 31 pushes the lower valve body 22 downward to open the lower valve hole 18 as shown in FIG. The upper valve body 26 is pushed up by the reaction force of the spring 21, separates from the valve seat 28, and opens the upper valve hole 29.

Therefore, when the lid 6 is closed, both the lower valve body 22 and the upper valve body 26 are in the open state, and the outlet 16b of the water purification passage 16 on the shoulder 1 side and the tube on the lid 6 side 20 communicates directly with the lid receiving step 17. Also lid 6
Is open, both the lower valve body 22 and the upper valve body 26 are closed by the urging forces of the respective springs 21 and 25.

A water purification filter 32 is detachably provided inside the lid 6 (see FIG. 1). The tube 20 is connected to the inlet of the water purification filter 32. The outlet of the water purification filter 32 is located above the inner container 2. Be released.

The electric water purifying pot of the first embodiment is as described above. When the lid 6 is closed, the outlet 16b of the water purifying passage 16 on the shoulder 1 side and the tube 20 on the lid 6 are connected. It communicates directly at the lid receiving step 17. After the second switching valve 15 is opened in the process of boiling water, when the water pump 11 is driven, the hot water in the inner container 2 passes through the second switching valve 15, from the outlet 16 b of the water purification passage 16 to the tube 20, After passing through the filter 32, the water is purified and returns to the inner container 2. Even if the lid 6 is opened in the middle of the purified water, since the upper valve body 26 separates from the lower valve body 22, the lower valve body 22 closes the lower valve hole 17 and the upper valve body 26 Valve hole 29
Are closed to bring the valves into the closed state. Therefore, the hot water does not flow out.

When the water pump 11 is driven after the first switching valve 14 is opened, the hot water in the inner container 2 is discharged from the discharge port 8.
Is discharged.

The second embodiment shown in FIG.
A branch portion 10a is provided integrally with a switching valve 13 including a fourth switching valve 15 and a second switching valve 15, and the branch tube 10 described above is omitted. Other configurations and operations are the same as those in the first embodiment.

Next, in the third embodiment shown in FIG. 4, a pumping passage 12 communicating with the inner container 2 via a pumping pump 11 is provided, and the upper end thereof is connected to the discharge port 8 via a safety valve 33. doing. Further, similarly to the above-described embodiments, a water purification filter 32 is provided inside the lid 6, and the outlet side of the water purification filter 32 is opened to the inner container 2.

At the lower end of the inner container 2, a water purification pump 34 communicating with the inside thereof is independently provided, and the water purification passage 34 is connected to the water purification pump 34. The upper end of the water purification passage 16 is connected to the water purification filter 32 through the lid water purification passage 20 '.
Connected to the input side. Water purification passage 16 and lid water purification passage 20 '
The structure of connection / separation when opening / closing the lid 6 is the first
This is the same as the case of the embodiment (see FIG. 2).

FIG. 4 shows the pumping passage 12 and the water purification passage 1.
6 are illustrated as being separated from each other, but they may be arranged close to each other.

In the third embodiment, the discharge of hot water by the water pump 11 and the water purification operation by the water purification pump 34 are performed independently. When the lid 6 is opened in the purified water, the lid purified water passage 20 'and the purified water passage 16 are closed to prevent the hot water from flowing out, as in the above embodiment.

[0031]

As described above, in the electric water purification pot according to the present invention, the water purification filter is stored in the lid of the pot, so that the overall height of the pot can be kept low, and the water can be erroneously purified. Even if the lid is opened, it is safe because the outflow of boiling water can be prevented.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view of a first embodiment.

FIG. 2 is a partially enlarged sectional view of the above.

FIG. 3 is a partial cross-sectional view of the second embodiment.

FIG. 4 is a partial sectional view of a third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shoulder body 2 Inner container 3 Body 4 Bottom body 5 Hinge pin 6 Lid 7 Beak part 8 Discharge port 10 Branch tube 10a Branch part 11 Pumping pump 12 Pumping passage 13 Switching valve 14 First switching valve 15 Second switching valve 16 Purifying passage 16a Inlet-side water purification passage 16b Outlet-side water purification passage 17 lid receiving step 18 lower valve hole 19 lower valve chamber 20 tube 20 'lid water purification passage 21 spring 22 lower valve body 23 O-ring 24 upper valve chamber 25 spring 26 upper valve body 27 packing 28 Valve seat 29 Upper valve hole 31 Valve rod 32 Water purification filter 33 Safety valve 34 Water purification pump

Claims (2)

(57) [Scope of request for utility model registration] 1. A provided pumping passage in communication with the inner container through the water pumps, the discharge ports beak of Katatai for supporting the inner container is provided, attached to the lid of the inner vessel to the shoulder member,
Water purification filter with outlet side open to inner container inside the lid
And a water purification passage is branched from the pumping passage.
A switching valve is housed inside the shoulder, and the switching valve
The above-mentioned pumping passage is the discharge port, and the above-mentioned water purification passage is
I will switch to the water filter and communicate with each other
In the above-mentioned electric water purifier, the above-mentioned shoulder and lid
The lower valve chamber on the shoulder side of the part facing vertically and the lid side
An upper valve chamber is provided, and a lower valve hole and an upper valve chamber of the lower valve chamber are provided.
When the lid is closed, connect the upper valve hole of
The outlet side of the water purification passage connected to the lower valve chamber,
The lid water purification passage connected to the inlet side of the above water purification filter
The upper valve chamber communicates with the upper valve chamber.
Set the lower valve body upward in the valve closing direction, and
Urges the upper valve body provided at
When the lid is opened, the upper and lower valves are attached to
The valve is closed by the force, and the upper and lower valves are closed when the lid is closed.
Against each other,
The electric water purifier is characterized by retracting and opening the valve . Wherein providing a pumping passage in communication with the inner container through the water pumps, the discharge ports beak of Katatai for supporting the inner container is provided, attached to the lid of the inner vessel to the shoulder member,
Water purification filter with outlet side open to inner container inside the lid
Was stored and communicated with the inner container via a water purification pump.
Providing a water purification passage and connecting the pumping passage to the discharge port
And communicate the above water purification passage with the inlet side of the above water purification filter.
The above-mentioned shoulder and lid
The lower valve chamber on the shoulder side of the part facing vertically and the lid side
An upper valve chamber is provided, and a lower valve hole and an upper valve chamber of the lower valve chamber are provided.
When the lid is closed, connect the upper valve hole of
To the lower valve chamber described above and to the inlet side of the water purification filter described above.
The connected lid water passages communicate with the above upper valve chambers, respectively.
Then, the lower valve element provided in the lower valve chamber is
The upper valve body provided in the upper valve chamber in the
Each is urged downward, and the upper and lower valve elements are released when the lid is opened.
When the lid is closed, the valve is closed by the biasing force applied to each.
By pressing the upper and lower valve elements against each other,
An electric water purifying pot characterized in that the valve is opened by opening the valve by retreating against each biasing force .