JP3418597B2 - Electric hot water storage container - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric hot water storage container having a lid body with a lid opening / closing lever, and more particularly to a structure of an electric hot water storage container capable of supplying hot water by operating the lid opening / closing lever. It is a thing.

[0002]

2. Description of the Related Art Conventionally, an electric hot water storage container having an electric hot water supply function capable of pouring a stored liquid that has been heated and kept warm, for example, by turning on a hot water supply switch to an external container is generally shown in FIG. A configuration as shown is known.

In the electric hot water storage container shown in FIG. 12, the hot water supply function is automatically locked when hot water is not supplied so that hot water will not be accidentally poured out by an inadvertent ON operation of the hot water supply switch. The hot water supply lock release switch releases the hot water supply lock function when supplying hot water, and the hot water supply switch performs a hot water supply operation on the hot water supply lock release switch.

That is, this electric hot water storage container is pivotably supported by the electric hot water storage container body 1 and the rear end of the upper opening of the electric hot water storage container body 1 via a shoulder member 15 so as to be openable and closable, and covers the opening. It consists of a lid 2. The electric hot water storage container body 1 is made of a metal outer case 3 which is on the outer side and forms the exterior part of the body, and a metal outer casing 3 which is on the inner side and which forms a hot water storage portion for the liquid to be stored. An inner container is provided, and the bottom of the outer case 3 is covered with a bottom member 3A made of synthetic resin. A liquid meter 61 is provided on the front surface of the outer case 3 so as to extend in the vertical direction. In addition, a heating element (electric heater), which is a heating means for heating and retaining the water contained in the inner container, is attached to the bottom surface of the inner container (not shown).

Further, below the bottom surface of the inner container, a hot water inlet of a hot water pouring passage for pouring hot water in the inner container to the outside after the completion of boiling has been opened. .
Further, the downstream hot water outlet of the hot water pouring passage is provided on the front side of the electric hot water container body 1 through the predetermined electric hot water supply pump, and the safety of the hot water pouring section 8 side provided in the body nose tip member 10 is provided. It is made to communicate with the on-off valve (falling stop water valve) part for (not shown). In addition, below the bottom of the heating element of the inner container, a microcomputer control board for controlling energization of the heating element and drive control of the electric hot water pump via a heat shield plate is provided (not shown). ).

The body nose tip member 10 is formed like a human nose with a space of a predetermined volume inside, and the safety opening / closing valve and the hot water spout portion 8 are utilized by utilizing the internal space. It is installed in the pouring direction. An operation panel unit 1 having various operation switches 5a, 5b, 5c ... Including a hot water supply switch 5a and a hot water supply lock release switch 5b is provided on the upper surface side of the body upper nose tip member 10.
0b, and the operation switches 5 on the back side thereof.
Printed wiring boards (operation boards) corresponding to a, 5b, 5c, ... Are provided respectively. Further, in this electric hot water storage container, the water contained in the inner container is heated by the heating element to boil the water, and after descaling for a predetermined time, the preset heat retention is performed. The hot water in the inner container 4 is maintained by keeping the temperature in a heat retaining state and operating the electric hot water supply pump as necessary, so that the hot water intake port, the hot water discharge passage, the liquid level meter 61, and the safety opening / closing valve. It is adapted to be poured out from the hot water pouring portion 8 through the above.

On the other hand, the lid 2 has the outer case 3 as described above.
The rear end 2 of the shoulder member 15 fitted in the upper opening of the rear end of the shoulder member 15 so that it can be opened and closed in a vertical direction (arc rotation opening and closing).
It is provided with the a side pivoted. Further, the lid body 2 includes
The steam discharge port 16 is provided so as to have a concave shape on the lower surface side at a position rearward of the central portion thereof, and a concave groove portion 17 having a predetermined depth that is long in the front-rear direction is formed at the front position from the central portion. A lid opening / closing lever (lock release lever) 19A is provided near the front of the groove 17.

When the lid 2 is opened, a finger is inserted from the recessed portion 19B on the rear side of the lid 2 and the rear end side of the lid opening / closing lever 19A is lifted upward.
The lock piece (locking claw) of the inner lock mechanism is moved in the backward direction away from the lock hole on the body nose tip member 10 side to release the locked state.

[0009]

By the way, the above-mentioned conventional electric hot water storage container has the hot water supply switch 5 on the operation panel surface.
It is necessary to press and hold a to supply hot water. However, the hot water supply switch 5a has a small pressing area and must be pressed considerably strongly with the tip of a finger, so that a large amount of hot water is required for a long time. There is a considerable pain in hot water supply. Further, in the electric hot water storage container, due to its configuration, even if the operator does not close the lid body 2 surely or if the lid body 2 is closed, the lock piece is inserted into the lock piece engagement hole on the main body side. Even in the semi-closed state where it is not securely engaged, the hot water supply lock function is released by pressing the lock release switch 5b, and the hot water supply operation by the hot water supply switch 5a is possible.
Therefore, the lid closed state and the open state cannot be distinguished, and when the container is tilted, the lid may be easily opened and hot water in the container may flow out.

The present invention has been made in order to solve such a conventional problem. The hot water supply operation is performed by enabling operation of the lid opening / closing lever which has a wide operation area and is easy to operate. An electric hot water storage container with excellent safety that makes it easy to recognize the fact that the lid is not closed by not allowing hot water to be supplied by the lid opening / closing lever when the lid is not closed. It is intended to provide.

[0011]

In order to achieve the above object, the present invention comprises the following means for solving problems.

(1) Invention of Claim 1 An electric hot water storage container according to the present invention includes an electric hot water storage container body having an inner container for containing a liquid, a heating element for heating the liquid in the inner container, and the electric hot water storage. A hot water spout provided in the upper part of the container body, an electric hot water supply means for pouring the liquid in the inner container to the outside through the hot water spout, and an openable and closable cover that covers the opening of the electric hot water storage container body Lid and the electric hot water storage container
Lock piece engagement provided at a position corresponding to the lid of the main body
And Goana, mounted for and from the side of the lid, inserting the engagement has been closed the lid in the closed of this lid body to the electric hot water storage container main body in the lock Katakakarigoana Lock piece to be locked to the lid and the lid provided on the top of the lid to open the lid.
While actuating in a direction to release the engagement between the locking piece engaging hole of the lock piece in time release,閉状of the lid
In the state, it is inserted and engaged in the lock piece engagement hole.
Increase the amount of engagement of the lock piece with the lock piece engaging hole.
A lid opening lever to be actuated in a direction to listen, the lid opening lever is closed Tokinio Keru the locking of the lid
Change the amount of engagement of the lock piece with the lock piece engagement hole
It is configured to function as hot water supply operation means for operating the electric hot water supply means in accordance with the amount .

According to the structure of the present invention, the lid opening / closing lever can be used to supply hot water in the state where the lid is closed, so that the operator cannot surely close the lid, or even if the lid is closed. When the lock piece is not securely engaged in the lock piece engaging hole on the main body side, it is possible to easily know that the hot water cannot be supplied and the lid is not closed securely. In addition, it is possible to obtain an electric hot water storage container that is safe and has no fear of hot water flowing out.

(2) Invention of Claim 2 An electric hot water storage container according to the present invention includes an electric hot water storage container body having an inner container for containing a liquid, a heating element for heating the liquid in the inner container, and the electric hot water storage. A hot water spout provided in the upper part of the container body, an electric hot water supply means for pouring the liquid in the inner container to the outside through the hot water spout, and an openable and closable cover that covers the opening of the electric hot water storage container body Lid and the electric hot water storage container
Lock piece engagement provided at a position corresponding to the lid of the main body
And Goana, mounted for and from the side of the lid, inserting the engagement has been closed the lid in the closed of this lid body to the electric hot water storage container main body in the lock Katakakarigoana Lock piece to be locked to the lid and the lid provided on the top of the lid to open the lid.
While actuating in a direction to release the engagement between the locking piece engaging hole of the lock piece in time release,閉状of the lid
In the state, it is inserted and engaged in the lock piece engagement hole.
Increase the amount of engagement of the lock piece with the lock piece engaging hole.
A lid opening / closing lever that is operated in the direction in which the lid is closed, and the lock that is in the lock piece engagement hole side and is in the lid closed state
A detector for detecting the engagement position of the lock piece into the one-side engagement hole, and the electric hot water supply means is driven in response to the detection operation of the lock piece engagement position of the detection portion. Has been done.

[0015] In the arrangement of the invention, a detector for detecting the engaged position of the lock piece In the engagement hole side of the lock piece as described above is provided, the locking piece due to the detection unit
The electric hot water supply means is driven in response to the detection of the engagement position .

[0016] Thus, according to the configuration of the present invention, it has been and engaged many more than a predetermined engaging position to lock pieces lock piece engaging hole by the <br/> detection portion is detected reliably lid When the body is closed and locked securely with the lock piece, the lid opening / closing lever allows hot water to be supplied, so that the operator cannot close the lid securely, or even if the operator closes the lid, the lock piece does not When the lock piece engagement hole is not securely engaged, hot water cannot be supplied and it is easy to know that the lid is not closed, so even if you accidentally fall, It is possible to obtain an electric hot water storage container that is safe and does not leak.

Further, since the lid opening / closing lever, which has a far larger operating area than the hot water supply switch, can be used for hot water supply, it is possible to comfortably perform hot water supply operation by pressing the lid opening / closing lever with a plurality of fingers or palms during hot water supply. This has the effect that hot water can be supplied with little fatigue even after long-term hot water supply.

(3) Invention of Claim 3 In the electric hot water storage container of the present invention, in the structure of the invention of claim 1 or 2, the lid opening / closing lever extends in two directions in the front and rear ends with the substantially central portion as a fulcrum. It is formed in a seesaw structure that can be rotated, and the engagement between the lock piece and the lock piece engagement hole is released by a pressing rotation operation in one direction on one end side to open the lid body from the electric hot water container body, The electric hot water supply means is configured to be driven by pressing and rotating in one direction on the other end side.

Therefore, in the structure of the present invention, the lid opening / closing lever provided on the upper portion of the lid body operates so as to open the lid body from the main body of the electric hot water storage container by the pressing and pivoting operation in one direction on one end side. It is possible to realize an electric hot water storage container capable of supplying hot water by pressing and rotating the other end of the opening / closing lever in one direction, and the two operations of opening the lid and hot water supply can be performed in the opposite direction of one lid opening / closing lever of the seesaw structure. It has the effect that it can be realized with a simple structure by movement.

(4) Invention of Claim 4 In the electric hot water storage container of the present invention, in the configuration of the invention of Claim 2 or 3, the detection part is composed of a light emitting part and a light receiving part, while the engaging part of the lock piece is provided. A reflection surface that reflects light from the light emitting portion and makes the light incident on the light receiving portion is provided at the side front end.

Therefore, in this structure, the lock piece is engaged with the lock piece engaging hole, and the light reflecting surface provided at the front end of the engaging portion side is the light reflecting surface of the detecting portion including the light emitting portion and the light receiving portion. When reaching the spot area, the light emitted from the light emitting portion is reflected by the light reflecting surface of the lock piece and is incident on the light receiving portion on the side of the detection portion, corresponding to the arrival position. Then, the light receiving section drives the electric hot water supply means by generating an output according to the output.

(5) Invention of Claim 5 In the electric hot water storage container of the present invention, in the structure of the invention of Claim 4, the reflection surface is reflected as the amount of engagement of the lock piece with the lock piece engagement hole increases. It is formed to have a large area.

Therefore, in this structure, the lock piece is engaged with the lock piece engaging hole, and the light reflecting surface provided at the front end of the engaging portion is the light reflecting surface of the detecting portion including the light emitting portion and the light receiving portion. When it reaches the spot area, it reflects the amount of light corresponding to the reached position and makes it enter the light receiving portion. As a result, the output from the light receiving unit increases as the engagement position of the lock piece increases, and it is possible to adjust the dispensing amount according to the operation amount of the lid opening / closing lever.

(6) Invention of Claim 6 In the electric hot water storage container of the present invention, in the configuration of the invention of claim 2, 3 or 4, the detection portion is in the lock piece engaging direction of the lock piece engaging hole. A plurality is provided.

According to this structure, the engaging positions of the lock pieces can be detected in multiple stages by the lock piece detecting operations of the plurality of detecting portions, and the pouring amount can be adjusted accordingly. be able to.

(7) Invention of Claim 7 The electric hot water storage container of the present invention comprises the above-mentioned Claims 2, 3, 4, 5
Alternatively, in the configuration of the invention of 6, the detection unit is configured to detect the engagement position of the lock piece in a non-contact state.

According to the structure of the present invention, the detecting portion detects the engagement position of the lock piece in a non-contact state, so that it is not necessary to dispose an electric component on the lid body, and wiring for that is also unnecessary. Thus, it has a practical effect that the lid can be freely removed.

(8) Invention of claim 8 An electric hot water storage container according to the present invention comprises an electric hot water storage container body having an inner container for containing a liquid, a heating element for heating the liquid in the inner container, and the electric hot water storage. A hot water spout provided in the upper part of the container body, an electric hot water supply means for pouring the liquid in the inner container to the outside through the hot water spout, and an openable and closable cover that covers the opening of the electric hot water storage container body Lid and the electric hot water storage container
Lock piece engagement provided at a position corresponding to the lid of the main body
And Goana, mounted for and from the side of the lid, inserting the engagement has been closed the lid in the closed of this lid body to the electric hot water storage container main body in the lock Katakakarigoana Lock piece to be locked to the lid and the lid provided on the top of the lid to open the lid.
While actuating in a direction to release the engagement between the locking piece engaging hole of the lock piece in time release,閉状of the lid
In the state, it is inserted and engaged in the lock piece engagement hole.
Increase the amount of engagement of the lock piece with the lock piece engaging hole.
A lid opening lever to be actuated in a direction to listen, the located between the electric hot water unit and reaches the hot water pouring path in the hot water spout and the hot water spout, by varying the valve opening and closing amount <br / > A hot water amount adjusting valve for adjusting the amount of hot water poured out by the electric hot water supply means is provided, and the hot water amount adjusting valve is provided with the lid.
Said lock Ri by the lid opening and closing lever in the closed state of the body
Before operating in the direction to increase the amount of engagement with the engagement piece
It is configured to be opened and closed via the lock piece .

[0029] In the configuration of the present invention, located between the hot water pouring path and the hot water spout leading to either et water <br/> spout electrostatic dynamic hot water supply means,
By varying the valve opening and closing amount, provided the hot water control valve for adjusting the Note tapping quantity Note issued by electrodeposition dynamic hot water supply means, the該湯amount control valve, in the closed state of the lid, the lid <br/> opening lever To increase the amount of engagement with the lock piece engagement hole.
It is configured to be mechanically actuated via a locking piece that is actuated in the combing direction .

Therefore, even with such a configuration,
While it is possible to obtain substantially the same operational effects as those of the above inventions, in the case of this configuration, the valve opening / closing lever opens the valve.
Since the closed amount can be changed , it is not necessary to control the hot water supply amount of the electric hot water supply means itself . As a result , the electrical circuit configuration including the microcomputer function is simplified and the cost can be reduced.

[0031]

As described above, in the electric hot water storage container according to the present invention, even if the operator does not surely close the lid or if the lid is closed, the lock piece on the lid side locks the body side. When it is not securely engaged in the one-sided engagement hole,
Since the hot water supply operation cannot be performed at all, it becomes possible to easily and surely know that the lid is not closed accurately. Therefore, it is possible to obtain an electric hot water storage container that is excellent in safety without the risk of inadvertent outflow of hot water.

Further, since hot water can be supplied by pressing the lid opening / closing lever, hot water can be easily supplied by pushing the lever, which is sufficiently wider than the conventional hot water supply switch, with a plurality of fingers or palms. Therefore, hot water can be supplied with less fatigue even in a long-time hot water supply work that requires a large amount of hot water.

[0033]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) FIGS. 1 to 7 show an electric hot water container according to a first embodiment of the present invention and a configuration of each part.

As shown in FIGS. 1 and 2, for example, the electric hot water storage container is openably and closably supported at the electric hot water storage container main body 1 and the rear end of the upper opening of the electric hot water storage container main body 1 so as to be openable and closable. It is composed of a lid 2 that covers the part. First, the electric hot water storage container main body 1 has a cylindrical metal outer case 3 which is an outer side and forms an exterior part of the main body, and a metal inner container 4 which is an inner side and which forms a hot water storage part of a liquid to be stored. The bottom of the outer case 3 is covered with a bottom member 3A made of synthetic resin. A liquid meter 61 is provided on the front surface of the outer case 3 so as to extend in the vertical direction. Further, the bottom surface of the inner container 4 is provided with a heating element (electric heater) which is a heating means for heating and retaining the water contained in the inner container 4 (not shown). .

Further, below the bottom surface of the inner container 4, a hot water inlet port of a hot water pouring passage for pouring hot water in the inner container 4 which has been kept warm after completion of boiling is opened. ing. The downstream hot water discharge port of the hot water pouring passage is provided on the front side of the electric hot water container body 1 through the predetermined electric hot water pump, and the hot water pouring portion 8 side is provided inside the nose tip 10 of the main body. It is made to communicate with the on-off valve (falling stop water valve) part for (not shown). A microcomputer control circuit board as shown in FIG. 7 for controlling energization of the heating element and drive control of the electric hot water pump via a heat shield is disposed below the bottom of the heating element of the inner container 4. It is provided (not shown).

The main body nose tip portion 10 is formed like a human nose with a space 10a having a predetermined volume in the vertical direction as shown in the figure, and the internal space is utilized to open the safety opening / closing valve and A pouring outlet 8 is provided in the pouring direction. An operation panel portion 10b having various operation switches 5a, 5b, 5c ... Is provided on the upper surface side of the nose tip member 10, and the operation switches 5a, 5b, Printed wiring boards (operation boards) 5 corresponding to 5c ... Then, in this electric hot water storage container, the water contained in the inner container 4 is heated by the heating element to boil the water, and after descaling for a predetermined time,
The hot water in the inner container 4 is held by the electric hot water pump by keeping the hot water temperature at a preset warm temperature and operating an electric hot water pump described later in detail as necessary. The hot water pouring passage, the liquid level meter 61, and the safety opening / closing valve are used to pour the hot water from the hot water pouring outlet 8 to the outside.

On the other hand, the lid body 2 is provided on the upper portion of the outer case 3 via a shoulder member 15, and the lid body 2 is made of synthetic resin, as shown in detail in FIGS. 3 to 5, for example. Upper plate 11, a lower plate 12 of the same synthetic resin that is integrated below the upper plate 11 while maintaining a predetermined heat insulating space 42A, and a metal plate that is integrated under the lower plate 12. An inner cover 13, and a rear end portion 11a of the upper plate 11 with respect to a rear end portion 15a of a shoulder member 15 attached to an upper portion of the main body side outer case 1 via a hinge portion (hinge shaft) 14. , Is pivotally mounted so that it can be opened and closed vertically (arc pivotal opening and closing). A grip 50 is provided on the shoulder member 15.

The upper plate 11 is provided with a steam discharge port 16 which is recessed to the lower surface side at a position rearward of the central portion thereof, and a predetermined lengthwise direction in the front-rear direction at the central portion front position thereof. The concave groove portion 17 having a depth is formed,
A lid opening / closing / hot water supply mechanism 18 is provided near the front of the groove 17. This lid opening / closing / hot water supply mechanism 18
First, a T-shaped lid opening / closing lever 19 is provided above the position near the front of the recessed groove portion 17 and continuous with the upper plate 11 in a substantially coplanar state. An unlocking pressing piece 19a and a hot-water supply pressing piece 19b, which will be described in detail later, are extended downward at a predetermined distance on the lower surface side slightly closer to the front than the central portion in the direction. The upper and lower U-shaped grooves 19e formed between the left and right sides are engaged with the support shafts 20, 20 integrally formed in the left and right side wall surface portions of the recessed groove portion 17 in a projecting state, so that the seesaw is formed. It is rotatably supported. In addition, the unlocking pressing piece 19a and the hot water supply pressing piece 1
A locking actuating member 2 to be described later is provided on the lower end side between 9b.
The engaging piece 21b extending upward from 1 is engaged.

When the lid 2 is opened, for example, as shown in the state of FIG. 3 to the state of FIG. 4, the operation end 19c of the front side (the pouring spout 8 side) of the lid opening / closing lever 19 is opened.
Is pushed down to lift the operation end 19d of the rear side of the opening / closing lever (on the side of the hinge portion 14 of the lid 2) upward and rotate in the direction of the front side hot water pouring portion 8, the spindle 2
Pressing piece 19a for releasing the lock part with 0 and 20 as fulcrums
The lower end of the lock mechanism rotates rearward, and the lock actuating member 21 of the lock mechanism, which will be described later, is pushed and moved in the rearward-side unlocking direction to release the locked state of the lid body 2 by the lock actuating member 21 of the lock mechanism. It has become.

On the other hand, in the lower plate 12, as shown in FIG. 3, for example, the front portion 12a has the concave groove portion 17 on the upper plate 11 side and the opening 17 downward to the front portion side of the concave groove portion 17.
A housing space 42B of the lid opening / closing / hot water supply mechanism 18 is formed between the lid a and a, whereby the lid opening / closing / hot water supply mechanism 18 can be stored. A guide groove 23 for sliding the lock actuating member 21 extending in the front-rear direction in the front-rear direction is provided on the surface of the lower plate 12 below the accommodation space 42B (a position corresponding to the lid opening / closing lever 19). In the guide groove 23, the locking actuating member 21 having a predetermined width is urged forward through the coil spring 24 between the guide groove 23 and the rear partition wall 12b. It is slidably stored in.

The locking actuating member 21 is provided with a pair of claw-shaped locking pieces 21a, 21a on both the left and right sides of the front end portion thereof with a predetermined interval, and when the lid 2 is closed, the locking member 21a is locked. The pieces 21a, 21a are coaxial with a cylindrical lock piece engaging hole 27a of a predetermined depth formed in the front end side vertical wall 27 portion of the front side nose tip member 10 toward the front. Correspondingly, by the biasing force of the coil spring 24, the coil spring 24 is caused to project in the front side locking direction and is inserted and engaged to perform the locking action (see the state of FIG. 3). Further, a detected member 32 having a light reflecting surface is provided on the upper end of the tip on either side of the claw-shaped lock pieces 21a, 21a.

Further, a detecting portion 31 is provided above the front end side of the lock piece engaging hole 27a through a light transmitting hole 33 of a predetermined size. For example, as shown in FIG. 7, the detection unit 31 is configured as a reflection type photocoupler in which a light emitting unit 31a and a light receiving unit 31b are integrated together, and a lock piece is provided from the light emitting unit 31a through a light transmitting hole 33. The light receiving portion 31b receives the reflected light component of which the light quantity is gradually increased through the triangular light reflecting surface having a small apex angle of the upper surface of the member to be detected 32 on the lock piece 21a side, which is long in the front-rear direction, of the light emitted into the engaging hole 27a. do it,
An output signal of a level corresponding to the change in the amount of received light is output.

On the other hand, a steam discharge pipe extending from the lower side to the upper side steam discharge port 16 is provided at a predetermined position from the central portion of the lower plate 12 toward the rear side portion, and the steam discharge space ( A steam passage) is formed (not shown).

Next, the operation of the lid opening / closing / hot water supply mechanism 18 during hot water supply will be described in detail with reference to FIGS. 5 to 7. First, FIG. 5 is a cross-sectional view of the lid opening / closing / hot water supply mechanism 18 showing an operation as a hot water supply means, and FIG. 6 is a detection member 32 and a detection portion 3 provided above the lock piece engagement hole 27a.
1 is an operation explanatory view showing the relationship between the positional relationship of No. 1 and the detection signal output level of the detection unit 31, and FIG. 7 is a hot water supply control circuit diagram showing the electric hot water supply operation.

That is, in order to pour the hot water in the inner container 4 from the hot water pouring portion 8 to the outside, first, the nose tip member 1 is used.
7, the hot water supply lock release switch 5a, which is one of the operation switches on the upper side operation panel portion 10b, is turned on, and FIG.
The microcomputer 51 of the microcomputer type hot water supply control circuit shown in (1) is informed that hot water can be supplied. As a result, the hot water supply standby state of the microcomputer 51 is formed. Then, from this state, if the operation end 19d of the rear portion of the lid opening / closing lever 19 (on the hinge portion 14 side of the lid 2) provided on the lid opening / closing / hot water supply mechanism 18 is pushed as shown in FIG. With the shafts 20 and 20 as fulcrums, the lower end of the lower surface side hot water supply pressing piece 19b rotates forward as indicated by the arrow in FIG. 5 to resist the biasing force of the coil spring 24 to the state of FIG. The locking actuating member 21 of the mechanism is pressed toward the front side hot water spout portion 8 to move the locking actuating member 21 toward the front end of the lock piece engaging hole 27a. As a result, as shown in FIG. 6, for example, the detected member 32 having the triangular light reflecting surface in the front-rear direction, which is provided on the front portion of the one side of the claw-shaped lock pieces 21a, 21a at the front end thereof, is provided. When the light reflection spot region is provided directly below the light transmission hole 33 below the light detection unit 31 having the light emitting unit 31a and the light receiving unit 31b, the light emitted from the light emitting unit 31a is covered by the light reaching position. The detection member 32 is reflected by a reflection surface having a predetermined area from a small-area light reflection surface on the tip (top) side to a large area on the base (bottom) side of the detection member 32, and is incident on the light receiving section 31b. The light receiving section 31b has a reflective photocoupler structure in which a light emitting diode forming the light emitting section 31a and a phototransistor forming the light receiving section 31b are integrally combined, as shown in FIG. 7, for example. The current flowing through the phototransistor gradually increases according to the amount of light received that is determined by the area of the reflecting surface (in other words, the engagement position of the lock piece 21a). That is,
As shown in the upper part and the lower part of FIG. 6, the larger the amount of reflected light incident on the light receiving part 31b of the detection part 31 corresponding to the position of the detected member 32, the more the light receiving part 31b.
The output current from increases. Therefore, the output signal from the light receiving section 31b of the detection section 31 is sent to the microcomputer 5
When the signal is input to the A / D terminal of No. 1 as an A / D input, the output current value from the light receiving section 31b of the detecting section 31 becomes a predetermined threshold value of the microcomputer 51 (a predetermined% value before 100%). ) And becomes "H", the microcomputer 51 causes the electric hot water supply pump drive signal (D / A
Output) a is output and the drive switch 52a is turned on, and the electric hot water supply pump 52 is driven correspondingly.
Then, by the operation of the electric hot water supply pump 52, the inner container 4
The hot water inside can be poured out from the hot water pouring portion 8 through the hot water pouring passage.

By the way, the lid opening / closing / hot water supply mechanism 18
Must have an appropriate size that is ergonomically
Inevitably, the lid opening / closing lever 19 is also set to that size. Then, it becomes possible to smoothly perform the lever pressing operation at the time of hot water supply with a plurality of fingers or the belly of the hand, which is different from the conventional case where the hot water supply switch with a small pressing area is continuously pressed. The beneficial effect of not getting tired even when hot water is supplied for a long time can be realized.

Further, in the above-described present embodiment, as shown in the circuit of FIG. 7, the claw-shaped lock pieces 21a, 21 are provided.
By moving a, the output current of the light receiving portion 31b of the detecting portion 31 is increased, the input from the light receiving portion 31b of the detecting portion 31 to the microcomputer 51 is used as an A / D input, and the microcomputer 51 drives the electric hot water supply pump drive switch. 5
By setting the output to 2a as the D / A output, the current flowing through the electric hot water supply pump 52 is changed substantially linearly, and the pouring hot water amount discharged from the inner container 4 through the hot water pouring portion 8 is adjusted. Although it can be changed, this may be a simple configuration in which the light receiving portion 31b of the detection portion 31 is simply turned on / off in response to the movement of the detected member 32, for example.

Further, in the above construction, the detection unit 31 has the reflection type photocoupler structure composed of the pair of the light emitting unit 31a and the light receiving unit 31b. However, this may be a transmission type photocoupler, and it is turned on in response to the approach of the magnet. A magnetic reed switch that operates may be used, and substantially the same effects can be obtained.

As is clear from the above description, in the configuration of the electric hot water storage container of the present embodiment, the flow rate of hot water discharged from the electric hot water supply pump 52 is the amount by which the rear operation end 19d of the lid opening / closing lever 19 is pushed. Can be changed. That is, when it is desired to increase the discharge amount, the rear operation end 19d of the lid opening / closing lever 19 may be strongly pressed to increase the amount of engagement of the lock piece 21a with the lock piece engagement hole 27a. Rear operation end 19 of the open / close lever 19
Since it suffices to weakly press d to reduce the amount of engagement, it is possible to provide an electric hot water storage container that is extremely convenient to use.

Further, in the construction of the electric hot water storage container, even if the operator does not surely close the lid 2 or if the lid 2 is closed, the claw-shaped lock pieces 21a, 21a are provided in the nose tip member 1 of the main body.
When the lock piece engaging hole 27a on the 0 side is not positively engaged, hot water cannot be supplied at all.
Thus, it is possible to easily and surely know that the hot water has not been closed, and it is possible to obtain an electric hot water storage container having excellent safety without fear of hot water flowing out even in the case of an accidental fall.

(Embodiment 2) FIG. 8 is a sectional view showing the structure of an electric hot water storage container according to Embodiment 2 of the present invention.

In this embodiment, the detection unit 31 of the configuration of the first embodiment is used as the first to third plurality of detection units 31a to 31c composed of magnetic reed switches, and the cylindrical lock piece is engaged. The lock piece 21a side member 32 to be detected is a magnet material that can actuate the magnetic reed switch, while the hole 27a is arranged in parallel from the upper base end side toward the front end side with a predetermined space therebetween, and its pressing movement amount. By turning on any of the first to third detectors 31a to 31c via the corresponding first to third magnetic transmission holes 33a to 33c, a large amount (third detector 31) is generated.
c is ON), medium amount (the second detection unit 31b is ON), and small amount (the first detection unit 31a is ON), it is possible to adjust the pouring amount in three stages. . The other configuration is exactly the same as that of the first embodiment.

Even with this structure, it is possible to obtain substantially the same operational effects as those of the first embodiment.

(Embodiment 3) FIGS. 9 to 11 show the structure of an electric hot water container according to Embodiment 3 of the present invention.

In the present embodiment, the same structure as that of the first and second embodiments is provided with the lock operating member 21 that slides in response to the operation of the lid opening / closing lever 19, Rather than adjusting the amount of hot water poured out by controlling the electric hot water supply pump by detecting the position of the detected member 32 as in each of the embodiments, the hot water pouring passage 60 between the electric hot water supply pump downstream side and the hot water pouring outlet 8 is not used. In place of the safety opening / closing valve described above, an operating valve 40 whose opening / closing state and opening / closing amount are adjusted according to the operation of the locking operating member 21 is provided to mechanically adjust the pouring amount of hot water. It is characterized by having done. Other configurations are basically the same as those in the above-mentioned respective embodiments.

That is, the operating valve 40 has a hooked corner member shape as shown in FIG. 9, for example, and the downstream end (upper end) 60a of the body case side hot water pouring passage 60 and the hot water pouring portion 8 are formed. Liquid-tight fitting port 40 between the upstream end 8a
a and 40b are fitted and connected to each other, and a large-diameter internal passage is defined into two chambers, an upstream chamber 41 and a downstream chamber 42, through a partition wall 40c having an opening (valve port) of a predetermined diameter. . A disc-shaped valve element 43a having a diameter larger than that of the partition wall 40c and capable of effectively closing the opening is provided from the downstream chamber 42 side as shown in FIG. The valve element 43a is provided so that it can be brought into contact with and separated from the valve element 43a.
Is associated with.

On the other hand, the valve body actuating shaft 43 penetrates the rear cylindrical opening 40d of the actuating valve 40 and projects rearward for a predetermined length. A flexible rubber cap with urging elasticity is provided. The rubber cap is the operation valve 4 described above.
0 is provided with a cylindrical fitting opening 45b that is fitted in a liquid-tight manner from the outside in the rear side cylindrical opening 40d, and an abutting portion 47 that abuts the front end 21a of the locking actuating member 21 described above. Internal cap 46 having, and the internal cap 46
It extends rearward from the outer periphery of the rear part and covers the outer part of the rear part of the inner cap 46 so as to be able to ventilate, and the rear end side cylindrical fitting port part 45.
a is composed of an external cap 45 that is fitted in a liquid-tight manner in the short tubular lock piece engagement hole 27b of the rear end side vertical wall portion 27 of the main body nose tip member 10 described above.

Therefore, in the above configuration, FIG.
As described above, when the lid body 2 is securely closed and the lid opening / closing lever 19 of the lid body opening / closing / hot water supply mechanism 18 is not operated at all, the lock operation is performed by the proper position regulating action and biasing force of the coil spring 24. The member 21 is held in a lid lock state in which the front end side lock pieces 21a, 21a are inserted into the lock piece engagement holes 27b of a predetermined size. In this state, the restoring elasticity of the internal cap 46 pulls the valve body 43a rearward through the valve body actuating shaft 43, so that the opening of the partition wall 40c is surely closed (water stop state). .

When opening the lid 2 from this state, for example, as shown in the state of FIG. 9 to the state of FIG. 10, the front side of the lid opening / closing lever 19 (the hot water spout portion 8) is opened.
Side) operating end 19c is pushed down, and the rear side of the opening / closing lever (the side of the hinge portion 14 of the lid 2) operating end 19d is raised upward and rotated in the direction of the front side hot water spouting portion 8 as described above. The lower end of the lock portion release pressing piece 19a rotates rearward with the support shafts 20 and 20 as a fulcrum, and the lock operating member 21 of the lock mechanism, which will be described later, is pushed and moved in the rear side lock release direction to move the lock mechanism. The locked state of the lid body 2 by the locking operation member 21 is released. As a result, the lid 2 can be opened.

On the other hand, in order to pour the hot water in the inner container 4 from the hot water spouting portion 8 to the outside, first, the main body nose tip member 1
A hot water supply switch, which is one of the operation switches on the upper side operation panel 10b of No. 0, is turned on, and a hot water supply command signal is input to a microcomputer of a microcomputer type hot water supply control circuit (not shown). As a result, the electric hot water supply pump is driven to rotate at a constant rotation speed. Then, from this state, if the operation end 19d of the rear portion (on the hinge portion 14 side of the lid 2) of the lid opening / closing lever 19 provided in the lid opening / closing / hot water supply mechanism 18 is pushed as shown in FIG. The lower end of the lower surface side hot water supply pressing piece 19b rotates forward as shown in FIG. 11 with the support shafts 20, 20 as a fulcrum, and resists the biasing force of the coil spring 24 to the state shown in FIG. The lock operating member 21 is pressed toward the front side hot water spout portion 8 to move the front end side lock piece 21a of the lock operating member 21 toward the front end of the lock piece engaging hole 27b. As a result, as shown in FIG. 11, the valve body operating shaft 43 is pushed forward through the abutting portion 47 of the inner cap 46, and the valve body 43
a opens the opening (valve opening) of the partition wall 40c. The opening amount of the opening is determined by the pressing amount of the rear end side operation end 19d of the opening / closing lever 19. Therefore, a desired amount of hot water can be arbitrarily poured out thereby.

With such a structure as well, it is possible to obtain substantially the same operational effects as those of the above-described embodiments, but in the case of this structure, it is not necessary to control the rotation speed of the electric hot water supply pump itself. The electric circuit configuration including the microcomputer function is simplified, and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is an external perspective view showing a general configuration of an electric hot water container according to a first embodiment of the present invention in a lid closed state.

FIG. 2 is an external perspective view showing an overall configuration of the electric hot water storage container in a lid open state.

FIG. 3 is a cross-sectional view showing a configuration of the electric hot water storage container when the lid is opened and closed, the hot water supply mechanism is closed, and hot water is not supplied.

FIG. 4 is a cross-sectional view showing a lid opening / closing operation of the electric hot water storage container and a lid opening operation of the hot water supply mechanism.

FIG. 5 is a sectional view showing a hot water supply operation of the lid hot opening / closing / hot water supply mechanism of the electric hot water storage container.

FIG. 6 is an explanatory diagram showing a positional relationship between a member to be detected at the front end of the lock piece of the locking operation member of the electric hot water container and the lock piece engagement hole side detection section, and the output level of the detection signal.

FIG. 7 is an electric circuit diagram showing a configuration of a hot water supply control circuit of the electric hot water storage container.

FIG. 8 is a cross-sectional view showing a configuration of a lid opening / closing / hot water supply mechanism of an electric hot water storage container according to Embodiment 2 of the present invention.

FIG. 9 is a cross-sectional view showing the configuration of the electric hot water storage container according to Embodiment 3 of the present invention when the lid is opened and closed, the hot water supply mechanism is closed, and hot water is not supplied.

FIG. 10 is a cross-sectional view showing a lid opening / closing operation of the electric hot water container and a lid opening operation of the hot water supply mechanism.

FIG. 11 is a sectional view showing a hot water supply operation of the lid hot opening / closing / hot water supply mechanism of the electric hot water storage container.

FIG. 12 is an external perspective view showing the overall configuration of a conventional electric hot water storage container.

[Explanation of symbols]

1 is an electric hot water storage container main body, 2 is a lid, 3 is an outer case, 4 is an inner container, 8 is a hot water spout, 10 is a body nose tip member, 11 is an upper plate, 12 is a lower plate, and 12a is a lower plate. Front part, 12b is a rear side partition wall of the lower plate, 13 is an inner cover, 14 is a hinge part, 15
Is a shoulder member, 17 is a groove, 18 is a lid opening / closing / hot water supply mechanism,
Reference numeral 19 is a lid opening / closing lever, 19a is a pressing piece for unlocking, 1
Reference numeral 9b is a hot water supply pressing piece, 19c is a front operation end, 19d is a rear operation end, 20 is a support shaft, 21 is a locking operation member,
Reference numeral 21a is a lock piece, 24 is a coil spring, 27 is a vertical wall portion on the rear side of the main body nose tip member, 27a and 27b are lock piece engagement holes, 31 is a detection section, 31A is a light emitting section, 31B is a light receiving section,
Reference numerals 31a to 31c are first to third detection units, 32 is a member to be detected, 33 is a light transmitting hole, 51 is a microcomputer, 5
2 is an electric hot water supply pump.

─────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-10-155658 (JP, A) JP-A-11-197019 (JP, A) JP-A-9-285394 (JP, A) (58) Field (Int.Cl. ⁷ , DB name) A47J 27/21 101

Claims (8)

(57) [Claims] 1. An electric hot water container body having an inner container for containing a liquid, and a heating element for heating the liquid in the inner container,
A hot water spout provided at the top of the electric hot water container body;
Electric hot water supply means for pouring the liquid in the inner container to the outside through the hot water pouring outlet, an openable / closable lid for covering the opening of the electric hot water storage container body, and the lid of the electric hot water storage container body
A lock piece engaging hole provided at a position corresponding to the body, mounted for and from the side of the lid, the electric hot water storage container main body in the lock Katakakarigoana in closing of this movable cover is inserted <br/> engages into a locking piece for locking the lid in the closed state, it is provided at an upper part of the lid, at the time release opening of the lid
One actuating in a direction to release the engagement between the locking piece engaging hole of the lock piece, in the closed state of the lid
Is the lock engaged and inserted in the lock piece engagement hole.
Direction to increase the amount of engagement of the lock piece with the lock piece engagement hole
A lid opening lever to be operated, the lid opening lever, said closed state Tokinio Keru the lock piece of the lid B
It is configured to function as hot water supply operation means for operating the electric hot water supply means in accordance with the amount of engagement with the engagement piece engaging hole. Electric hot water storage container. 2. An electric hot water storage container main body having an inner container for containing a liquid, and a heating element for heating the liquid in the inner container.
A hot water spout provided at the top of the electric hot water container body;
Electric hot water supply means for pouring the liquid in the inner container to the outside through the hot water pouring outlet, an openable / closable lid for covering the opening of the electric hot water storage container body, and the lid of the electric hot water storage container body
A lock piece engaging hole provided at a position corresponding to the body, mounted for and from the side of the lid, the electric hot water storage container main body in the lock Katakakarigoana in closing of this movable cover is inserted <br/> engages into a locking piece for locking the lid in the closed state, it is provided at an upper part of the lid, at the time release opening of the lid
One actuating in a direction to release the engagement between the locking piece engaging hole of the lock piece, in the closed state of the lid
Is the lock engaged and inserted in the lock piece engagement hole.
Direction to increase the amount of engagement of the lock piece with the lock piece engagement hole
And a lid opening / closing lever to be actuated to the lock piece engaging hole side and into the lock piece engaging hole when the lid is closed.
A detection unit for detecting the engagement position of the lock piece of
The electric hot water storage container is configured such that the electric hot water supply means is driven in response to the detection operation of the lock piece engagement position of the detection unit. 3. The lid opening / closing lever is formed in a seesaw structure capable of pivoting movement in two directions on both front and rear sides with a substantially central portion as a fulcrum, and a lock piece engages with a lock piece by a pivoting movement in one direction on one end side. The electric water heater is configured to be released from the electric hot water container body by releasing the engagement with the hole and to drive the electric hot water supply means by a pressing and rotating operation in one direction on the other end side. The electric hot water storage container according to claim 1. 4. The detecting section comprises a light emitting section and a light receiving section,
The electric hot water storage container according to claim 2 or 3, wherein a front surface of the lock piece on the engagement portion side is provided with a reflection surface that reflects the light from the light emitting portion to enter the light receiving portion. 5. The electric hot water storage container according to claim 4, wherein the reflection surface is formed so that the reflection area increases as the amount of engagement of the lock piece with the lock piece engagement hole increases. 6. The electric hot water storage container according to claim 2, wherein a plurality of detectors are provided in the lock piece engaging direction of the lock piece engaging hole. 7. The electric hot water storage container according to claim 2, 3, 4, 5 or 6, wherein the detection unit is configured to detect the engagement position of the lock piece in a non-contact state. 8. An electric hot water container body having an inner container for containing a liquid, and a heating element for heating the liquid in the inner container,
A hot water spout provided at the top of the electric hot water container body;
Electric hot water supply means for pouring the liquid in the inner container to the outside through the hot water pouring outlet, an openable / closable lid for covering the opening of the electric hot water storage container body, and the lid of the electric hot water storage container body
A lock piece engaging hole provided at a position corresponding to the body, mounted for and from the side of the lid, the electric hot water storage container main body in the lock Katakakarigoana in closing of this movable cover is inserted <br/> engages into a locking piece for locking the lid in the closed state, it is provided at an upper part of the lid, at the time release opening of the lid
One actuating in a direction to release the engagement between the locking piece engaging hole of the lock piece, in the closed state of the lid
Is the lock engaged and inserted in the lock piece engagement hole.
Direction to increase the amount of engagement of the lock piece with the lock piece engagement hole
Is located between the lid opening / closing lever to be operated in the above manner, the hot water pouring passage from the electric hot water supply means to the hot water pouring outlet, and the hot water pouring outlet, and pouring is performed by the electric hot water feeding means by changing the valve opening / closing amount. A hot water amount adjusting valve for adjusting the amount of poured hot water to be delivered is provided, and the hot water amount adjusting valve is used when the lid is closed.
And the lid opening and closing lever by Ri said lock piece engaged with the Goana in
The lock piece operated in the direction of increasing the engagement amount of
An electric hot water storage container characterized in that it is opened and closed through the electric hot water storage container.