JP3371883B2 - Electric pot lid opening and closing device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is designed such that a liquid is stored in a lid and heated or kept warm to store hot water, and the stored liquid is discharged to the outside through a pouring path by a pump. The present invention relates to an electric pot lid opening / closing device, and is applied to, for example, a household electric pot.

[0002]

2. Description of the Related Art Conventionally, in a lid opening / closing device of this type, a hook operating lever 20 shown in FIG.
A finger insertion interval K is formed between the rear end 20b to be lifted and the lid body 8, a finger is inserted from this finger insertion interval K and the rear end 20b is lifted for arc rotation, and this arc rotation is performed. I was trying to open it. However,
Since a finger insertion interval K is formed between the rear end 20b of the hook operating lever 20 and the lid body 8, this finger insertion interval K
From this, dust and small insects invade the inside of the lid 8 to attach dirt, which requires time and effort for wiping and cleaning, and also has a problem in hygiene. Further, since the finger insertion interval K is formed, the rear end 20b of the hook operating lever 20 can be easily lifted, and conversely, it can be easily operated by an infant or a child by mistake. Body 8
When the container is opened and the container falls in this state, there is a problem that hot water splashes from the inner container to the outside and the hot water comes into contact with the body and there is a risk of burns.

In order to solve such a problem, as shown in FIGS. 8 and 9, a hook operating lever 20 in which the lid 8 is opened by releasing the engagement by a lifting operation.
The upper surface 20a of the hook is formed as a continuous surface which is continuous with the upper surface 6a of the lid 8 from the rear end 20b to the front end 20c, and the finger insertion interval K is not formed at the rear end 20b of the hook operating lever 20. It is also known to be configured.

However, in this structure, when the opening operation is performed, as shown in FIG. 9, the front end 20c of the upper surface 20a of the hook operating lever 20 and the front end 20c of the upper surface 6a of the lid body 8 forming a continuous surface are moved. The rear end 20b must be lifted by pushing it in with the fingers to the inside of the lid 8. Therefore, when pushing the inside of the lid 8 with a finger to perform the lid opening operation, a considerable step S is formed between the lid 8 and the upper surface 6a, and the pushing operation is difficult unless the finger is pressed. Due to the gap created by the step S, there is a problem that a finger to be pushed in is pinched in a gap between the lid and the lid, and the force of the pushing operation causes the body to be tilted to make the operation unstable.

[0005]

Further, in order to reduce the downward operation force of pushing down the front end 20c of the hook operation lever 20 with a finger, the hook operation lever 2 is moved from the front end 20c.
It was necessary to adopt a configuration in which the distance between 0 and the shaft 30 which is arc-rotated is formed to be long, and the shaft 30 of the hook operation lever 20 is moved to the rear side of the lid body 8 to form the long distance. However, as described above, the shaft 30 of the hook operating lever 20 is
Is provided on the rear side of the lid body 8, so that the rear end 2 for lifting and operating the hook operating lever 20 accordingly.
The position of 0b is also located rearward. For example, when the cover 8 is provided with the manual bellows pump 11, the position of the pressing plate 11a facing the upper surface of the cover 8 is located on the rear side F from the center portion D. However, it is necessary to reduce the pressing area of the pressing plate 11a so that the pressing operation of the manual bellows pump 11 becomes unstable or difficult to operate.

The present invention solves such a problem, and provides a lid opening / closing device for an electric pot, which has a simple structure, is easy to open the lid, is light, and can be operated in a stable state. To aim.

[0007]

To achieve the above object, according to the solution to ## claim 1, 2 with a lid opening and closing device of an electric pot definitive to the present invention is described, vessel put liquid inner container accommodated in the device body With the lid of the body closed, keep hot water by boiling water or keeping warm,
In the electric pot in which the stored content liquid is discharged to the outside by the pump, the front portion of the lid body is pivotally supported by the lid body, and the front end is pushed down by the finger to rotate so that the pushing operation can be performed. A hook operation lever that unlocks the lid by lifting the raised rear end with another finger to open and operate the lid is provided.The upper surface of the hook operation lever is the upper surface of the lid from the rear end toward the front. substantially the same to form a continuous continuous surface in the height, Ru formed to have <br/> a finger depressing portion that is projected from the upper surface of the lid to the front end depressing by the finger and.

In such a structure, the hook operation lever has an upper surface that is continuous from the rear end toward the front at substantially the same height as the upper surface of the lid, and is pushed down by the finger to cover the lid. Since the finger pressing part that protrudes from the upper surface of the lid is formed, you can release the lock by pushing down the finger pressing part that protrudes from the top surface of the lid and lifting the rear end with another finger when pressing down with your finger. , A considerable step between the upper surface of the lid body caused by the pushing operation is eliminated, and the pushing operation becomes easy. In addition, the distance of the point of action from the pivot shaft of the hook operating lever is increased by the length of the protrusion, which results in a lighter pushing operation, and the finger is caught between the lid and the pushing operation. It is also prevented that the body tilts and its operation becomes unstable.

The electric pot according to the present invention according to claim 1
In particular, in the lid opening / closing device described above, the finger pressing portion is formed such that the finger pressing surface is formed substantially along a line connecting the pivot support shaft of the hook operating lever and the top surface of the protrusion forming the point of action. It has a feature.

As described above, since the finger pressing portion has the finger pressing surface formed substantially along the line connecting the pivotal shaft of the hook operating lever and the top surface of the projecting portion forming the point of action, the hook operating lever is rotated. Since the component force in the finger pressing direction with respect to the direction does not act, a much lighter unlocking operation can be performed.

Further , in the lid opening / closing device of the present invention as set forth in claim 2 , in particular, the lid is provided with a manual bellows pump for discharging the content liquid in the inner container to the outside through the pouring path, and the manual bellows pump is provided. The bellows pump is characterized in that the central portion of the pressing operation portion is provided so as to be located substantially at the central portion of the inner container opening, and the hook operation lever is provided between the pressing operation portion and the operation panel. .

In such a structure, since the distance of the point of action from the pivot shaft of the hook operating lever is increased by the length of the protrusion of the finger pressing portion, the distance from the front end of the hook operating lever formed on the upper surface of the lid is increased. The length to the rear end can be designed to be short, and as a result, there is an interval for placing the manual bellows pump close to the hook operation lever side, and the center part of the pressing operation part of the manual bellows pump is opened in the inner container opening. It is possible to position it in the substantially central part of the manual bellows pump, and the pressing operation of the manual bellows pump can be stably performed at the substantially central position of the inner container opening, and the diameter of the manual bellows pump can be increased to improve the discharge amount. Can be increased.

As far as possible, the further objects and features of the present invention can be used alone or in combination in various combinations.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Some embodiments of the present invention will be described below with reference to FIGS.

However, the present invention is not intended to limit the scope of the present invention to the following embodiments unless otherwise specified, and is merely an example for explanation.

(Embodiment 1) In Embodiment 1, as shown in FIGS. 1 and 2, the content liquid is heated by a heater 4 and stored therein, and the stored content liquid is stored in an electric pump 14 and This is an example of an electric pot in which the manual bellows pump 11 is selectively used and discharged to the outside through one pouring path 5. However, the present invention is not limited to this, and can be applied to general electric pots that store various kinds of hot water and use the stored content liquid for various uses.

The electric pot according to the first embodiment includes an inner container 3 housed in the container 1, a heater 4 for heating the content liquid in the inner container 3, and a pouring path 5 for guiding the content liquid to the outside. An electric pump 14 for discharging the content liquid through the pouring path 5,
A lid 8 for closing the opening 7 of the inner container 3, a steam passage 9 for discharging the steam generated in the inner container 3 to the outside through the inside of the lid 8, and an inner container provided in the lid 8 A manual bellows pump 11 that pressurizes and discharges the inner solution in 3 into the pouring path 5, and a pouring path 5 and a steam path 9 that are individually provided in the pouring path 5 and the steam path 9 so that the pouring path 5 and the vapor path 9 And a water shutoff valve 38, 23 for closing the liquid to prevent the liquid content from flowing out. In addition to the water shutoff valve 38, a water shutoff valve 38a is provided in the pouring path 5 to close the pouring path 5 and prevent the liquid content from flowing out even when the body 1 is tilted forward by a predetermined angle so as not to roll over. Has been.

The inner container 3 includes an inner body 3a made of metal such as stainless steel, titanium and aluminum, and an outer body 3 made of the same metal.
It has a double structure with b, and after the mouth portion of the inner body 3a and the mouth portion of the outer body 3b are airtightly joined, a vacuum heat treatment is performed. The inner body 3a has a mouth portion having a diameter smaller than the body diameter to improve heat retention. The inner container 3 may be a single container having only the inner body 3a. In this configuration, a heat insulating material may be provided between the inner container 3 and the outer case 2 to improve heat retention.

The outer case 2 is made of synthetic resin and the bottom and the body are integrally formed. However, the outer case 2 may be made of metal. When the body is made of metal, both the bottom and the body are made of synthetic resin. Further, it may be divided as necessary in consideration of molding and overall assembly. The content liquid stored in the inner container 3 is heated from the outside by the heater 4 and stored therein, and is discharged to the outside through the pouring path 5 by the electric pump 14 or the manual bellows pump 11.

The pouring path 5 has a rising portion rising outside the body portion of the inner container 3 as a liquid amount display pipe 5a formed of a material such as transparent or translucent glass or resin, and a liquid amount display window of the outer case 2. It is made visible from the outside through. In addition, the water outlet valve 5 is connected to the rising portion between the beak-shaped protruding portion 34 protruding to the front portion of the shoulder member 16 of the body 1 and the pipe cover portion 37 on the exterior case 2 side. A unit 5c is configured, and the water shutoff valve unit 5c includes the water shutoff valve 38 at the time of rollover and the water shutoff valve 3 at the time of forward tilt.
8a are provided respectively. The discharge port 5d of the spout passage 5 opens downward to the outside through a discharge port cover 41 that is detachably attached to the bottom opening of the pipe cover portion 37 from below.

The shoulder portion of the body 1 is made of a synthetic resin shoulder member 16 fitted to the upper end of the outer case 2.
The lid 8 is provided in an opening 18 formed by 6, and the opening 18 is opened and closed together with the opening 7 of the inner container 3. For this opening and closing, the lid 8 has its hinge pin 2
The bearing 2 is rotatably supported by a bearing portion 19 provided at the rear portion of the shoulder member 16 so as to be detachable.

The cover body 8 is a built <br/> manual bellows pump 11, the upper lid 6 to form the outer upper surface, a lower surface in the covering had stopped such fixed stainless steel by screws in this upper cover 6 A basic structure is formed by the inner lid 10 made of metal, and the seal packing 5 sandwiched between the inner lid 10 and the upper lid 6.
6 is pressed against the upper surface of the rim of the opening 7 of the inner container 3 to close the opening 7 tightly.

In the steam passage 9 for letting steam from the inside of the inner container 3 of the lid 8 escape to the outside, a steam outlet 9a is formed on the upper surface of the lid 8, and the water stop valve of the lower plate facing the inside of the inner container 3 is formed. A steam inlet 9b is formed below 23. In the middle of the steam passage 9,
When the container body 1 rolls over and the content liquid enters, a storage path 9c is provided to temporarily store or bypass the liquid content and delay the reaching of the vapor outlet 9a.

The electric pump 14 is a suction pump provided in the middle of the pouring path 5 and is located immediately below the inner container 3,
The content liquid in the hot water stored in the inner container 3 is discharged by suction through the discharge passage 5 to the discharge port 5d facing the outside of the body 1.

The manual bellows pump 11 is a bellows pump provided in the lid body 8 and is pressed by a pressing plate 11a facing the upper surface of the lid body 8 against the restoring spring 11b. Is sent into the inner container 3 to pressurize the content liquid, and in the same manner, it is discharged to the discharge port 5d facing the outside of the container 1 through the discharge path 5.

The manual bellows pump 11 includes a pressing plate 11a.
A passage switching valve 11d is provided to selectively communicate the discharge port 11c of the manual bellows pump 11 and the discharge port 9d of the steam passage 9 into the inner container 3 in conjunction with the pressing operation and the release of the pressing operation by the. . Further, the manual bellows pump 11 is provided with an intake valve 11e and is provided with a restoring spring 11e.
At the time of restoration by b, the intake port 11f can be opened for air intake, and the intake port 11f is closed by the pressing operation of the pressing plate 11a to send compressed air into the inner container 3.

By separately using the electric pump 14 and the manual bellows pump 11 in this way, one pouring path 5 can be shared, and the content liquid can be selectively electrified depending on the use condition, whether electric or manual. Can be dispensed.

The pump configuration is not limited to this, and the manual bellows pump or the electric pump may be used alone to inject the content liquid.

In the space between the bottom of the outer case 2 and the bottom of the inner container 3, a circuit box 32 for accommodating the electric pump 14 and a heater 4 and a control board 29 for controlling electric conduction of the electric pump 14 is installed. ing. The circuit box 32 is integrally formed with an opening that forms the bottom 2a of the outer case 2 made of synthetic resin, and is provided with a lower cover 31 that opens downward and closes the downward opening. A temperature sensor 33 is applied from the bottom to the center of the bottom of the inner container 3 to detect the temperature of the content liquid at each time, and obtain temperature information when heating and controlling the content liquid in the boiling water or heat retention mode.

A bottom plate 42 is attached from below to the opening forming the bottom 2a of the outer case 2 by screwing or partial engagement, and a rotating ring 43 is attached to the outer periphery of the bottom plate 42.
Is rotatably provided, and when the body 1 is placed on a table surface or the like, it can be lightly rotated on the rotating ring 43 to change its direction.

An operating panel 35 is provided on the upper surface of the beak-shaped protruding portion 34 protruding from the front portion of the shoulder member 16 of the body 1, and an operating portion for operating mode setting or the like is provided on the operating panel 35.
A display unit for displaying a display corresponding to an operation or an operating state is provided.

For example, a hot water supply key for operating the electric pump 14 as an operation unit or a display unit, a hot water supply lock key for disabling or releasing the operation function of the hot water supply key,
Insulation temperature selection key, re-boiling and descaling key to switch reboiling and descaling to rotary type, cup noodle timer key to set finishing time for instant noodles and so on, and electric A display unit and the like showing the operating state of the pot are provided.

Below the operation panel 35, an operation board 36 for transmitting and receiving signals corresponding to the operations and displays is provided.

In the electric pot according to the first embodiment, the lid 8 is locked at the closed position by engaging the locking portion 24 on the shoulder member 16 side at the front of the lid 8 at the closed position. A lock member 25 is provided so that when the lid 8 is closed, the lock member 25 is always projected to the lock position by the biasing force of the spring 26 so as to be engaged with the locking portion 24 by the closing force. Corresponding to this, the hook operating lever 2 for releasing the lock by retracting the lock member 25 on the lid 8
0 is provided.

The hook operating lever 20 is the upper lid 6 of the lid 8.
A bearing 28 provided therein is pivotally supported by a shaft 30.
By pressing down the front end 20c with a thumb or other finger and rotating it counterclockwise, the locking member 25 is retracted against the spring 26 by its working end 20d to release the lock,
Subsequently, by lifting the rear end 20b of the hook operating lever 20 raised by the unlocking operation with another finger, the unlocked lid 8 can be lifted and opened. The lock member 25 is held by a lock receiving member 17 formed on the lower plate 6b of the upper lid 6 so as to be slidable back and forth, and an engaging claw 25a for engaging with the engaging portion 24 is formed at the tip end 25a, and a spring 26 is interposed therebetween. The force is always applied in the engaging direction.
The engaging portion 24 is engaged by inserting the engaging claw 25a of the lock member 25 through an engaging hole formed in the opening 18 of the shoulder member 16.

The engaging means by the hook operating lever 20 is not limited to the above-mentioned construction, and the working end 20d thereof is directly provided without providing the lock member 25, for example.
May be configured to be engaged with the engaging portion 25, two locking members may be provided, or the locking member may be engaged by rotating the locking member in an isolated manner.

The upper surface 20a of the hook operating lever 20
As shown in FIGS. 2 and 3, forms a continuous surface that is continuous at substantially the same height as the upper surface 6a of the upper lid 6 that forms the exterior upper surface of the lid 8 from the rear end 20b toward the front, A finger pressing portion 15 protruding from the upper surface 6a of the lid 8 is formed at the front end 20c which is pushed down by the finger.

As a result, the finger hook operating lever 20
During the pushing down operation, the finger pressing portion 15 protruding from the lid upper surface 6a can be pushed down to lift the rear end 20b with another finger to release the lock, and the upper surface 6a of the lid 8 caused by the pushing operation The considerable step between the two is eliminated and the pushing operation becomes easy. Further, as a result of the distance of the point of action of the hook operating lever 20 from the pivot shaft 30 becoming longer by the protruding length, the pushing operation is performed lightly, and accordingly, the finger is caught between the lid 8 and the pushing operation. It is also designed to prevent the body from inclining due to force adjustment and making the operation unstable.

As shown in FIG. 4, the finger pressing portion 15 is locked at a position where the front end 20c is pushed down with a thumb or other finger and is pivoted counterclockwise to the upper surface 6a of the lid body 8 and is pushed down. The member 25 is retracted to release the engagement from the engaging portion 24, and the upper surface 6 of the lid 8 is
In a position pushed down to a, between the upper surface 6a of the rear end 20b and the lid 8 got up in the depressing operation so that Ru is formed to open interval A to be inserted in the other fingers.

In this way, the position of the upper surface 6a of the lid 8 becomes the unlocked position, whereby the step between the upper surface 6a of the lid 8 and the upper surface 6a of the lid 8 is eliminated even if the push-down operation is performed, and the unlocking operation is easier. And the upper surface 6 of this lid 8
The finger is stably held on the upper surface 6a of the lid body 8 at a position where it is pushed down to a, and is formed between the rear end 20b of the hook operating lever 20 and the upper surface 6a of the lid body 8 in this holding state. Another finger can be inserted into the opening space A, and the lifting operation at the rear end 20b is also easy.

The beak-shaped protruding portion 34 provided forwardly from the shoulder member 16 of the container body 1 forms a continuous surface in which the upper surface 34a is continuous with the upper surface 6a of the lid body 8, and the boiling water is formed on the upper surface. , An operation section for mode setting such as heat retention and an operation panel 35 for responding to this operation or displaying an operation state are provided, and at a position B closest to the operation panel 35 shown in FIG.
The finger pressing portion 15 of the hook operating lever 20 is formed.

Thus, the position B closest to the operation panel 35 is
Since the finger pressing portion 15 of the hook operation lever 20 is formed on the hook operation lever 20, the hook operation lever 20 and the operation panel 35 are formed.
Since they are lined up in adjacent positions in the same direction, the operation parts are not spread over a wide area and do not hinder the operation.

Further, as shown in FIG. 3, a steam outlet 9a is provided at the rear end portion 8a of the lid upper surface 6a for allowing the steam generated in the inner container 3 to pass through the steam passage 9 and escape to the outside. The finger pressing part 15 is also provided at the front end part 8b on the diameter line of the lid from the steam outlet 9a and at a position avoiding the steam outlet 9a as much as possible, and the finger pressing part 15 is also operated by the lid lock releasing operation. It prevents the fingers from being exposed to the steam from the steam outlet 9a.

The lid 8 is provided with a manual bellows pump 11
A lock member 13 is provided for locking and releasing the pressing operation of the lock member 13.
It may be provided at an intermediate position between the hook operating lever 20 and the steam outlet 9a to prevent an erroneous operation between the lid lock releasing operation and the pressing plate lock releasing operation, and the lock operating finger may be exposed to the vapor from the steam outlet 9a. To prevent.

Further, as shown in FIG. 3, the manual bellows pump 11 for discharging the content liquid in the inner container 3 to the outside through the pouring path 5 to the lid body 8 is a pressing operation provided on the manual bellows pump 11. The central portion D of the pressing plate 11a that constitutes the portion is provided so as to be located substantially at the central portion of the inner container opening 7, and the hook operating lever 20 is provided between the pressing plate 11a that constitutes the pressing operation portion and the operation panel 35. Is provided.

This is because the operating point distance of the hook operating lever 20 from the pivot shaft 30 is increased by the length of the protruding finger pressing portion 15, so that the hook operating lever 20 formed on the upper surface of the lid 8 is covered. The length dimension G from the front end 20c to the rear end 20b can be designed to be shorter by the dimension E shown by the phantom line in FIG. 3, and as a result, the hook operation lever 20 side can be designed by the phantom line in FIG. A space F is provided to install the bellows pump 11 close to each other, so that the central portion D of the operating portion of the pressing plate 11a of the manual bellows pump 11 can be positioned substantially at the central portion D of the inner container opening 7. As a result, the configuration in which the pressing operation position of the manual bellows pump 11 in the conventional structure shown in FIG. 8 is operated at the position F which is eccentric from the central position D of the inner container opening 7 is eliminated, and the pressing operation of the manual bellows pump 11 is eliminated. Can be stably performed at a position substantially in the center of the inner container opening 7, and the manual bellows pump 1
It is possible to increase the diameter of No. 1 and increase the discharge amount.

Accordingly, the front end 2 of the hook operating lever 20
Since the lateral width H can be formed longer than the length G from 0c to the rear end 20b, the lateral width H of the finger pressing surface of the finger pressing portion 15 can be increased, and the hook operation can be performed. Although the length G from the front end 20c to the rear end 20b of the lever 20 is shortened, the lever can be pressed in a wide range and the unlocking operation becomes easier.

(Second Embodiment) The finger pressing portion 15 according to the second embodiment shown in FIG.
Is configured such that the finger pressing surface is formed substantially parallel to the line C connecting the pivot shaft 30 of the hook operating lever 20 and the top surface 15a of the projecting portion 15 forming the point of action. It is also possible to perform a lighter unlocking operation without exerting a component force in the finger pressing direction with respect to the rotating direction of.

Further, the finger pressing portion 15 forms a hanging wall 15b which is inserted into the lid 8 from the top surface 15a of the projecting portion of the front end 20c to prevent dust and foreign matter from entering from the front end 20c. It also prevents the fingers from being caught between the protruding portion and the lid upper surface 6a.

The hanging wall 15b is, as shown in FIG.
Top surface 15a of the protrusion of the front end 20c of the hook operating lever 20
A curved surface is formed along the turning locus, and the opening end 6b of the lid upper surface 6a pushed into the hanging wall 15b is also a downward inclined end surface having a shape corresponding to the curved surface along the turning locus. Even when the pushing operation by the finger pressing portion 15 is performed, the pushing surface is pushed along the curved surface and the lid upper surface 6 is pushed.
This front end 20c is formed so that there is no gap between the front end 20c and
It is possible to prevent dust and foreign matter from entering from the inside, and further prevent a finger from being caught between the finger pressing portion 15 and the lid upper surface 6a.

(Third Embodiment) In the third embodiment shown in FIG. 7, the manual bellows pump 11 alone is used to pour out the content liquid in the inner container 3.
In the electric pot having a structure in which the operation panel is provided on the bottom or the body and not on the upper surface of the beak-shaped protrusion 34, the hook operation lever 20 is located at the position where the operation panel 35 is provided in the first embodiment. It is provided on the upper surface on the front side of the beak-shaped protruding portion 34 which is provided so as to project forward from the shoulder member 16 of the container 1.

As a result, the operation position of the hook operation lever 20 is located further to the front side, and the lid 8 can be easily opened by the front operation. In conjunction with this, the hook operating lever 20 has an upper surface 20a which is an inclined surface having a downward slope from the rear end 20b toward the front end 20c where the finger pressing portion 15 is formed. Even if the operation position is located on the front side, the pressing force of the finger container 15 tilts the body and the operation becomes unstable even if the operation position is located on the front side. It is also prevented.

As described above, since the operation position of the hook operation lever 20 is located on the front side, the pressing plate 11a of the manual bellows pump 11 is similar to the first embodiment.
The central portion D of the operating portion can be positioned substantially at the center of the inner container opening 7, whereby the pressing operation of the manual bellows pump 11 can be stably performed at the substantially central position of the inner container opening 7. With manual bellows pump 11
It is possible to increase the diameter of the nozzle and increase the discharge amount.

Further, at the position where the hook operation lever 20 is provided, there is no operation panel provided with an operation section for operating mode setting or the like, and a display section for displaying an operation or an operating state. , Finger pressing part 1
It is also possible to prevent accidental operation of the operation section of the operation panel when the operation is performed with the finger of 5.

Since other configurations and operational effects are the same as those of the first embodiment, duplicated illustration and description will be omitted.

[0056]

According to the electric pot lid opening / closing device of the present invention, the upper surface of the hook operating lever forms a continuous surface which is continuous at substantially the same height as the upper surface of the lid body from the rear end toward the front. Since the finger pressing part protruding from the upper surface of the lid is formed at the front end to be pressed down by the finger, the finger pressing part protruding from the upper surface of the lid is pressed down at the time of the pressing operation by the finger so that the rear end is pressed by another finger. The lock can be released by lifting, and a considerable step between the lid and the upper surface of the lid body caused by the pushing-down operation is eliminated, and the pushing-down operation becomes easy. In addition, the distance of the point of action from the pivot shaft of the hook operating lever is increased by the length of the protrusion, which results in a lighter pushing operation, and the finger is caught between the lid and the pushing operation. It is also prevented that the body tilts and its operation becomes unstable.

Particularly, according to the invention of claim 1 , the finger pressing is performed.
The knuckle is a protrusion that forms a point of action with the pivot shaft of the hook operating lever.
The finger pressing surface is formed substantially along the line connecting the top surfaces of the protrusions.
Therefore, how to hold the finger in the turning direction of the hook operation lever
For easier unlocking operation, no component force acts in the opposite direction.
Can be done.

According to the invention of claim 2 , the finger pressing
From the pivot shaft of the hook operating lever for the length of the protruding portion
Is formed on the top surface of the lid due to the long distance
The length from the front end to the rear end of the hook
Can be designed, and as a result, the hook operation lever side
The manual bellows pump comes close to
The central part of the pressing operation part of the manual bellows pump.
Manual bellows that can be located approximately in the center of the opening
The pump pushing operation is stable at the approximate center of the inner container opening.
And the diameter of the manual bellows pump.
It is possible to increase the discharge amount
It

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a lid opening / closing device for an electric pot according to a first embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a main part of the lid opening / closing device for the electric pot in FIG.

FIG. 3 is a plan view of a lid of the electric pot in FIG.

FIG. 4 is an enlarged cross-sectional view of a main part of the lid opening / closing device of FIG. 1 in a state where a hook operation lever is opened and operated.

FIG. 5 is an enlarged cross-sectional view of a main part of the electric pot lid opening / closing device according to the second embodiment of the present invention in a state where a hook operation lever is opened and operated.

FIG. 6 is an enlarged cross-sectional view of an essential part of another electric pot lid opening / closing device according to Embodiment 2 of the present invention in a state where a hook operation lever is opened and operated.

FIG. 7 is a sectional view of a lid opening / closing device for an electric pot according to a third embodiment of the present invention.

FIG. 8 is a cross-sectional view of a lid opening / closing device for an electric pot showing a conventional example.

9 is a cross-sectional view of essential parts in a state where a hook operating lever of the lid opening / closing device in FIG. 8 is opened and operated.

FIG. 10 is a sectional view of an essential part of a lid opening / closing device for an electric pot showing another conventional example.

[Explanation of symbols]

1 Body 2 Outer Case 3 Inner Container 4 Heater 5 Spouting Path 6 Upper Lid 6a Upper Surface 8 Lid 8a Rear End 8b Front End 9 Steam Passage 9a Steam Outlet 11 Manual Bellows Pump 11a Press Plate 14 Electric Pump 15 Finger Press 15a Top surface 15b hanging wall 16 shoulder member 20 hooks the operating lever 20a upper surface 20b rear end 20c front 25 locking member 29 control board 30 axis 33 temperature sensor 35 operation panel 36 operated board

Claims (2)

(57) [Claims] 1. A liquid is put in an inner container housed in a container to store hot water by boiling or maintaining heat with the cover of the container closed, and the stored liquid is discharged to the outside by a pump. In the electric pot configured as described above, the front portion of the lid body is pivotally supported by the lid body, and the front end is pushed down by a finger to rotate so that the rear end raised by the pushing operation is lifted by another finger to lock. A hook operation lever for releasing and lifting and opening the lid is provided, and the upper surface of the hook operation lever forms a continuous surface that is approximately the same height as the upper surface of the lid from the rear end toward the front. , A finger pressing portion protruding from the upper surface of the lid is formed at the front end to be pressed down by the finger , and
The finger pressing part does not form the point of action with the pivot shaft of the hook operating lever.
The finger pressing surface is formed substantially along the line connecting the top surfaces of the protrusions.
Cover opening and closing apparatus for an electric kettle, characterized in that it has to be. 2. A liquid is put in an inner container housed in the container to store the liquid by boiling or keeping heat with the lid of the container closed, and the stored liquid is discharged to the outside by a pump. In the electric pot configured as described above, the front portion of the lid body is pivotally supported by the lid body, and the front end is pushed down by a finger to rotate so that the rear end raised by the pushing operation is lifted by another finger to lock. A hook operation lever for releasing and lifting and opening the lid is provided, and the upper surface of the hook operation lever forms a continuous surface that is approximately the same height as the upper surface of the lid from the rear end toward the front. Forming a finger pressing portion protruding from the upper surface of the lid body at the front end to be pressed down by the finger ,
The content liquid in the inner container is discharged to the outside through the pouring path to the lid.
A manual bellows pump for discharging
The central part of the pressing operation part provided on the pump is
It is installed so that it is located approximately in the center,
The lid opening and closing device of that electrical pot to characterized in that a hook operating lever between the work panel.