JP2000102482A - Heat insulating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a lid from being opened by simple operation. SOLUTION: A lid unlocking lever 49 is provided nearly flush with the upper surface of a lid 8 without a gap. Thus, unless a push button 52 is operated, a hand does not reach the lever 49 easily and the lever 49 can not be operated. In addition, in spite of pressing the button 52, unless the lever 49 is operated, a locking member 41 is not disengaged and the lid 8 is never opened from the pot main body 1. Since two steps of operation, namely operating the lever 49 after operating the button 52, is required, it is possible to prevent an infant to erroneously and easily opening the lid 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat retaining device having improved safety so that a lid on an upper portion of a main body is not accidentally opened.

[0002]

A conventional heat retaining device such as a heat retaining pot comprises a main body having an inner container for containing a liquid,
A lid is pivotally supported on the upper part of the main body by a hinge or the like, and is provided to be freely openable and closable with respect to the main body. For example, it is configured to include an engagement means formed of a lock member.
Then, by pulling up a lever or the like provided at an upper portion of the lid and releasing the engagement of the engaging means, the lock of the lid can be released by one operation, and the lid can be easily opened. It has become.

However, in the above configuration, the engagement of the engagement means is easily released only by pulling up the lever. Therefore, there is a concern that the lid may be accidentally opened by an infant due to the easiness of the operation. Had occurred. There is also known a warming pot of a mechanism in which the release means is raised from the upper surface of the lid by pressing a push button provided in the vicinity of the release means. Since the engagement of the means is also released, there is a possibility that the infant may similarly open the lid by mistake.

[0004] The present invention has been made in view of the above circumstances, and has as its object to provide a highly heat-retaining apparatus that can prevent the lid from being opened by a simple operation.

[0005]

According to the present invention, there is provided a heat insulating apparatus comprising: a main body; a lid pivotally supported on one side at an upper portion of the main body, the lid being provided to be openable and closable; An engagement means for engaging the other side of the body with the main body and holding the lid in a closed state, wherein the engagement means is provided without a gap with the upper surface of the lid and released by the engagement means. Releasing means, and operating means provided near the releasing means for raising the releasing means from the upper surface of the lid, and when the releasing means is operated in the upright state of the releasing means, the engagement is made. It is configured to release the engagement of the means.

According to the above construction, since the releasing means for releasing the engagement by the engaging means is provided without a gap with the upper surface of the lid, the releasing means does not need to be operated unless the operating means is operated. The release means cannot be operated. Also,
Even if the release means is raised from the upper surface of the lid by operating the operating means, the engagement means remains engaged unless the release means is operated, and the lid does not open from the main body. That is, in order to open the lid, a two-stage operation of operating the operating means and then operating the release means is necessary, and it is possible to prevent a baby from easily and accidentally opening the lid.

[0007] Further, since the releasing means is provided without a gap with the upper surface of the lid, it is difficult for dust to enter between the releasing means and the lid, and it is clean.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the pot of the present invention will be described below with reference to the drawings. 1 and 2
In the figure, 1 is a pot body as a main body, and the pot body 1 has a leg 3 on a lower surface of an outer case 2 forming an outer shell thereof.
Is provided. On the other hand, the upper frame 4
Is fixed, and a protrusion 5 is provided at a front portion of the upper frame 4. A tap hole 6 to the outside of the pot body 1 is provided below the protrusion 5 in a downward direction.
Further, in the outer case 2, a bottomed inner container 7 made of stainless steel or the like and having an open upper surface is fixed. On the upper side of the outer case 2, there is provided a lid 8 which closes the upper opening of the inner container 7 so that it can be opened and closed. This lid 8 is
A rear part, which is one side of the outer case 2, is rotatably supported by a hinge 9. The lid 8 has a steam port 10 for discharging steam generated in the inner container 7 containing hot water.
Is provided.

At the bottom 7a of the inner container 7, a heater 16 which is an electric heating means for heating the inner container 7, and a temperature detecting element such as a thermistor for detecting the temperature of the inner container 7 are provided.
17 are provided. Further, a control circuit 18 is provided below the inner container 7 in the pot body 1. The energization of the heater 16 is controlled by the control circuit based on the temperature detected by the temperature detecting element 17 and the like.
The inside is controlled to be in a hot water state or a warm state. In the boiling state, heating is performed until the inside of the inner container 7 becomes a boiling state, and in the warming state, the inner container 7 is heated to an appropriate temperature to keep the temperature.

An outlet 21 is provided at the bottom 7a of the inner container 7, and the outlet 21 communicates with the tap 6 through a tap channel 22 provided at a front portion in the pot body 1. are doing. In the hot water supply channel 22, an outlet 21 of the inner container 7 is connected to an inlet 24 of an electric pump 23 fixed to the bottom 7 a of the inner container 7. The outlet 25 of the electric pump 23
Is connected to the lower end of a glass tube 27 via a joint pipe 26 made of rubber. Further, at the upper end of the glass tube 27, an inflow port of a forward inclined hot water discharge prevention device 28 provided in the upper frame 4 is provided.
29 is connected via a rubber joint pipe 30. In addition,
On the upper surface of the upper frame 4, an operation unit 31 including a push button switch for turning on and off the control circuit and a push button switch for turning on and off the electric pump 23 is provided.

Here, the structure of the forward inclined hot water discharge prevention device 28 will be described with reference to FIG.
Inside, there is provided a trapezoidal closing valve 32 and a spherical ball 33 for backflow prevention for shutting off the tapping path 22 when the pot body 1 is tilted. The closing valve 32 and the spherical ball 33 are formed of a material such as an insulator or stainless steel, and the closing valve case upper portion 34a, the closing valve case lower portion 34b, and the closing valve case upper cover 34c for accommodating the closing valve 32 and the spherical ball 33. With
A forward inclined hot-water discharge prevention device 28 is configured. The hot water flows from the inflow port 29 of the lower part 34b of the closing valve case to the hot water outlet 6 through the opening 35 provided in the upper part 34a of the closing valve case.

The structure of the forward inclined tapping prevention device 28 will be described in more detail. A closing valve 32 is provided inside a lower portion 34b of the closing valve case, and a spherical ball which can contact the lower portion of the closing valve 32 is provided below the lower portion. 33 are provided. Inlet
The axis A passing through the opening 35 from 29 is a predetermined angle a from the vertical plane Y.
(For example, 30 degrees). A slope 36 is provided at the bottom of the lower portion 34b of the closing valve case. The slope 36 is inclined at a predetermined angle b (for example, 5 degrees) from the horizontal plane X in the mounted state, and the spherical ball 33 moves along the slope 36. It is provided as possible. An inclined surface 37 different from the above is provided on the upper portion of the lower part 34b of the closing valve case. The inclined surface 37 is inclined at a predetermined angle c (for example, 9 degrees) from the horizontal plane X in the attached state, and along the inclined surface 37. The closing valve 32 is provided movably.

The structure around the lid 8 will be described with reference to FIG. 3. At the front of the lid 8, a lock member 41 as an engagement means for holding the lid 8 in a closed state is provided. The claw portion 42 at the tip of the lock member 41 has a slope 59 formed at the lower portion thereof, and is inserted into the concave portion 44 of the lock receiving member 43 provided on the pot body 1 side so that the lock receiving member 43 projects. It is designed to be engaged with the locking portion 45. Note that, when the lid 8 is closed, the claw portion 42 of the lock member 41 slides into the concave portion 44 above the locking portion 45,
A slope 60 is formed. The lock member 41 is urged forward by a spring 47 provided in contact with the rear side of the rear portion 46. On the other hand, through another spring 48 provided in contact with the front side of the rear portion 46, a lid lock release lever serving as release means is provided.
The lower end 50 of the 49 is in contact with the lower end 50, and the lower end 50 is urged forward, that is, in a direction to close the lid lock release lever 49. Further, a push button 52 serving as operating means is provided in contact with the upper end of the front end portion 51 of the lid lock release lever 49. Upper surface 54 of lid lock release lever 49 and upper surface of push button 52
53 is provided substantially flush with the upper surface 55 of the lid 8 when there is no operation, and the rear end 58 of the lid lock release lever 49 is provided.
The finger does not hang on. A lid lock release lever 49 is rotatably supported by a shaft 56, and a push button 52 is provided below the push button 52 of the lid 8.
Is provided with a stepped portion 57 that defines the movable range of.

Next, the operation of the above configuration will be described. Open the lid 8 and fill the inner container 7 with water,
Is closed, the operation unit 31 is operated to turn on the heater 16, and when the water heater is started, the water in the inner container 7 is heated by the heater 16. Then, after the boiling of the water in the inner container 7 is completed, the temperature is automatically maintained, and the water in the inner container 7 is maintained at a predetermined temperature.

The operation when the cover 8 is opened and closed will now be described. When the cover 8 is closed, as shown in FIG. 3A, the upper surface 54 of the lid lock release lever 49 and the push button 52 are pressed. The upper surface 53 is provided substantially flush with the upper surface 55 of the lid 8 without any gap, so that a finger does not catch on the rear end portion 58 of the lid lock release lever 49. When the lid 8 is opened, as shown in FIG. 3B, when the push button 52 is pressed, the front end 51 of the lid lock release lever 49 which is in contact with the lower part of the push button 52 is pushed down, and the lid is unlocked. Lever 49 is shaft 56
Rotate around. The push button 52 comes into contact with the step portion 57, where the rotation of the lid lock release lever 49 stops. In this way, the rear end 58 of the lid lock release lever 49 is lifted above the lid 8, and a gap is formed between the rear end 58 and the lid 8 for a finger to be hooked. Next, as shown in FIG. 3C, when the user lifts the raised rear end 58 with his / her finger, the lid unlock lever 49 further rotates about the shaft 56 and the lower end 50 is moved backward. To move the lock member 41 provided in contact therewith via the spring 48 backward against the bias of the spring 47. Then, since the engagement between the claw portion 42 of the lock member 41 and the locking portion 45 of the lock receiving member 43 is released, the lid 8 can be opened for the first time at this time. When the finger is released from the rear end 58 of the lid lock release lever 49, the lock member 41 and the lid lock release lever 49 are urged by the springs 47 and 48 to return to the original position before the push button 52 is operated. At the same time, the push button 52 is also lifted by the front end 51 of the lid lock release lever 49 and returns to the original position. On the other hand, when closing the lid 8, when the upper surface 55 of the lid 8 is pressed downward, the slope 59 of the lock member 41 first comes into contact with the slope 60 of the lock receiving member 43, and the lock member 41 When the claw 42 of the lock member 41 reaches the concave portion 44 of the lock receiving member 43, the lock member 41 moves forward by the bias of the spring 47, and the lock member 41 receives the lock receiving force. The member 43 is firmly engaged.

On the other hand, when the pot body 1 is in the normal posture, as shown in FIG.
33 are both located upstream of the inlet 29 side and have an opening 35
Is open. In this state, when the operation unit 31 is operated to drive the electric pump 23, the hot water in the inner container 7 passes through the outlet 21, the electric pump 23, and the glass tube 27, and further,
The hot water flows out of the hot water outlet 6 through the opening 35 from the inlet 29 of the forward inclined hot water discharge prevention device 28.

On the other hand, when the pot body 1 is tilted forward, if the forward tilt exceeds the angle b, the spherical ball 33 rolls forward and abuts the closing valve 32 as shown in FIG. The closing valve 32 is pushed forward and abuts the opening 35 to close it. As a result, the tap hole 22 is shut off, so that careless outflow of water or hot water from the tap hole 6 is prevented.

As described above, according to the present embodiment, the pot body 1 as the main body, the lid 8 pivotally supported on one side at the upper part of the pot body 1 and provided to be openable and closable, In a heat retaining pot provided with a lock member 41 as an engagement means for engaging the side with the pot body 1 and holding the lid 8 in a closed state,
Lid release lever 49 which is provided substantially flush with the upper surface 55 of the cover member and is a releasing means for releasing engagement by the lock member 41.
And a push button 52 provided near the lid lock release lever 49 and operating means for raising the lid lock release lever 49 from the upper surface of the lid 8. When the lid lock release lever 49 is raised, the lid lock is released. When the release lever 49 is operated, the engagement of the lock member 41 is released.

In this case, the lid lock release lever 49 for releasing the engagement by the lock member 41 is provided substantially flush with the upper surface 55 of the lid 8 without any gap.
And the lid lock release lever 49 cannot be operated. Even when the push button 52 is operated to raise the lid lock release lever 49 from the upper surface 55 of the lid 8, the lock member 41 remains engaged unless the lid lock release lever 49 is operated. The body 8 does not open from the pot body 1. In other words, to open the lid 8,
A two-step operation of operating the lid unlocking lever 49 after operating the push button 52 is necessary, and it is possible to prevent a child from easily and easily opening the lid 8 by mistake. Further, since the lid lock release lever 49 is provided without a gap with the upper surface 55 of the lid 8, dust is less likely to enter between the lid lock release lever 49 and the lid 8, so that the lid is clean. In terms of design, the upper surface 55 of the lid 8 has no irregularities, and is excellent in aesthetic appearance and refined.

As an effect of the embodiment, when the pot body 1 is tilted forward, the spherical ball 33 rolls forward and abuts the closing valve 32, and the closing valve 32 is pushed forward to open the opening 35.
So that it is closed not only when falling, but also when the pot body 1 is moved with the pot body 1 or the pot body 1 is tilted accidentally before tapping.
By closing 35, hot water or water can be prevented from flowing out of tap hole 6 to the outside. Moreover, since the closing valve 32 is pushed forward by the spherical ball 33, even when the pot body 1 is gradually tilted forward, the spherical ball 33 rolls, so that the closing valve 32 is pushed forward reliably, and The portion 35 is closed, so that hot water or water can be prevented from flowing out. Therefore,
There is no danger of soiling the table and floor, and the user can use it safely.

Further, the forward inclined hot water discharge prevention device 28 is provided with a closing valve.
32 and spherical balls 33, which can reliably prevent hot water or water from flowing out with a simple structure, reducing the number of parts compared to conventional products that had a complicated mechanism, and improving assembly workability. Can be.

It should be noted that the present invention is not limited to the above embodiment, and various modifications are possible. For example, by adopting the configuration of the present invention in various warming devices such as a warming pot other than a warming pot, it is possible to prevent the lid from being opened by mistake during cooking or warming, or to open the lid during cooking. It can prevent that the rice cannot be cooked well. Further, in the embodiment, the heat is maintained by the heating means such as the heater 16, but if the inner container 7 has a heat insulating property such as a heat insulating container, the heating means becomes unnecessary.

[0023]

According to the present invention, there is provided a heat insulating apparatus comprising: a main body; a lid which is rotatably supported on one side at an upper portion of the main body;
An engagement means for engaging the other side of the lid with the main body and holding the lid in a closed state, wherein the engagement means is provided without a gap with the upper surface of the lid and provided with a gap. Release means for releasing the release means, and operating means provided near the release means to raise the release means from the upper surface of the lid, when the release means is operated in the upright state of the release means, It is configured to release the engagement of the engagement means, and it is possible to provide a heat insulating device excellent in safety that can prevent the lid from being opened by a simple operation. In addition, it is possible to provide a heat retaining device excellent in cleanliness.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part showing one embodiment of the present invention.

FIG. 2 is an overall sectional view of the same.

FIG. 3 is a partial cross-sectional view showing the vicinity of an upper cover unlocking lever.

FIG. 4 is a cross-sectional view of the forward inclined hot water discharge prevention device.

[Explanation of symbols]

 1 Pot body (body) 8 Lid 41 Lock member (engaging means) 49 Lid lock release lever (release means) 52 Push button (operating means)

Claims (1)

[Claims] 1. A main body, a lid pivotally supported on one side at an upper portion of the main body and provided to be freely opened and closed, and the other side of the lid is engaged with the main body to hold the lid in a closed state. Release means for disengaging the engagement provided by the engagement means, provided with no gap with the upper surface of the lid,
Operating means provided in the vicinity of the releasing means for raising the releasing means from the upper surface of the lid, and when the releasing means is operated in the upright state of the releasing means, the engagement of the engaging means is established. A thermal insulation device characterized in that it is configured to be released.