CN210989641U

CN210989641U - Electric rice cooker

Info

Publication number: CN210989641U
Application number: CN201921997831.5U
Authority: CN
Inventors: 李一峰
Original assignee: Bear Electrical Appliance Co Ltd
Current assignee: Bear Electrical Appliance Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-14
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses an electric rice cooker, which comprises a shell with a heating element, a cooker liner arranged in the shell, a detachable filter pot arranged in the cooker liner and a cover body covering the cooker liner; the bottom of the filter pot is provided with a sleeve extending upwards, the lower end surface of the sleeve is provided with an opening, the upper end surface of the sleeve is closed, and the upper tail end of the sleeve is provided with at least one through hole; the upper end of the sleeve is provided with a soup plate, and the soup plate is provided with a first relative position and a second relative position relative to the sleeve, wherein the through hole is positioned below the soup plate, and the through hole is positioned above the soup plate; and a driving mechanism for driving the soup plate to move upwards to switch the soup plate from the first relative position to the second relative position on the sleeve. The utility model discloses an electric cooker can cook out and fall sugar rice, and overall structure is simple and convenient the washing.

Description

Electric rice cooker

Technical Field

The utility model relates to a household appliance especially relates to an electric cooker.

Background

With the continuous improvement of living standard of people, more and more patients with diabetes and obesity are provided, doctors often recommend that the patients with diabetes and obesity need to eat less rice, but for southern people who are used to eat rice, the rice is staple food which is needed to be eaten every meal, so that the reduction of the food intake of the rice is really a trouble, and then the blood sugar reducing electric rice cooker is produced at will. The rice made in this way has a lower glycemic index, so that the human body can eat the same amount of rice and simultaneously has the same satiety feeling by taking less glucose, thereby playing the role of controlling the blood sugar.

The blood sugar reducing electric cooker in the prior art has various structures: firstly, a lifting structure is adopted to forcibly lift the filter pot for containing rice to be separated from rice water in the cooking process, and the rice water is forcibly discharged by virtue of external forces such as a water pump and the like, so that the structure is relatively complex, and the realization cost is relatively high; the other is that a water leakage hole or a water leakage switch is added at the bottom of the filter pot, and the water leakage hole or the water leakage switch is opened after a certain time, so that the rice water flows into a rice water box below through a channel.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electric cooker which has simple structure and is convenient to clean.

The utility model provides an electric cooker, which comprises a shell with a heating element, a cooker liner arranged in the shell, a detachable filter pot arranged in the cooker liner and a cover body covering the cooker liner; the bottom of the filter pot is provided with a sleeve extending upwards, the lower end surface of the sleeve is provided with an opening, the upper end surface of the sleeve is closed, and the upper tail end of the sleeve is provided with at least one through hole; the upper end of the sleeve is provided with a soup plate, and the soup plate is provided with a first relative position and a second relative position relative to the sleeve, wherein the through hole is positioned below the soup plate, and the through hole is positioned above the soup plate; and a driving mechanism for driving the soup plate to move upwards to switch the soup plate from the first relative position to the second relative position on the sleeve.

Wherein, a gap is arranged between the bottom of the filter pot and the bottom of the pot liner.

Wherein, the middle part of soup plate is equipped with the shaft hole, and the soup plate passes through the cover of shaft hole activity and establishes the sheathed tube last terminal.

Wherein, the radius of the soup plate is 20-80% of the radius of the filter pot.

Wherein, the sleeve is conical with a big lower part and an upper part and a lower part.

Wherein, the middle part of soup plate is equipped with the shaft hole, still extends conical axle sleeve on the shaft hole, and soup plate passes through the cover of axle sleeve activity and establishes on the sheathed tube last tip.

Wherein, when the soup plate is at the first relative position on the sleeve, a preset distance is reserved between the bottom of the soup plate and the bottom of the filter pot.

The driving mechanism comprises a magnetic conduction part arranged on the soup plate, an electromagnet arranged on the cover body, a power supply and a control circuit board, wherein the power supply and the control circuit board are used for enabling the electromagnet to generate magnetism so as to generate magnetic attraction to the magnetic conduction part, and the electromagnet is electrically connected with the power supply and the control circuit board through a lead.

Wherein, the magnetic conduction part is arranged at the peripheral edge and the lower side surface of the soup plate or positioned above the shaft hole.

Utilize the utility model discloses a process that rice cooker cooks cooking includes: respectively adding a proper amount of rice and a proper amount of water into the filter pot and the pot liner, enabling the soup plate to be at a first relative position on the sleeve, and starting cooking to heat the pot liner; when the water in the pot container is heated to be boiled, the water is continuously heated for a preset first time length T1; the driving mechanism drives the soup plate to be switched from the first relative position to the second relative position on the sleeve, and the soup plate is continuously heated for a preset second time period T2 or is stopped heating until the water in the pot container is completely evaporated, so that the cooking is completed.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an electric cooker is in the cooking process of cooking, after the water in the pot courage is heated to the boiling and reaches preset first time length T1, switch over to the second relative position from first relative position by drive structure drive soup dish, make the through-hole be located the soup dish, through the soup dish take away partial rice water, let partial seal be located the below of the filter bowl that carries out rice cooking again, thereby it remains at rice to have reduced the sugar that dissolves in the rice water in the rice gelatinization process through reducing rice water, it is simple to utilize the rice cooker cooking process, can cook out hypoglycemic rice, it is effectual to reduce blood sugar; the boiled rice has the taste of the traditional Chinese coconut rice, is soft and glutinous Q-shaped and has better quality. And the soup plate is movably sleeved on the sleeve, and the filter pot is detachably arranged in the pot liner, so that the soup plate and the filter pot can be conveniently taken down after cooking, the pot liner, the filter pot and the soup plate are respectively cleaned, and the cleaning is very convenient.

Drawings

Fig. 1 is a schematic view of the internal structure of the rice cooker with the soup plate in a first relative position.

Fig. 2 is an exploded structure diagram of the colander and the soup plate.

Fig. 3 is a schematic view of the structure of the soup plate installed in the filter pan.

Fig. 4 is a schematic view of the internal structure of the rice cooker with the soup plate in a second relative position.

Arrows in fig. 1 and 4 indicate the flow paths of steam and rice water.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1-4, the present invention discloses an electric rice cooker, which comprises a housing 1, a pot container 2 disposed in the housing 1, a separable filter pot 3 disposed in the pot container 2, a soup plate 4 disposed on the filter pot 3, a driving mechanism for driving the soup plate 4 to move upwards, and a cover body 5 covering the pot container 2; the bottom of the filter pot 3 is provided with a plurality of water through holes 31, the bottom of the filter pot 3 is provided with a sleeve 32 which extends upwards, the lower end surface of the sleeve 32 is provided with an opening, the upper end surface of the sleeve is closed, and the upper tail end of the sleeve 32 is provided with at least one through hole 33; the soup plate 4 is movably arranged at the upper end of the sleeve 32, and the soup plate 4 has a first relative position which enables the through hole 33 to be positioned below the soup plate 4 and a second relative position which enables the through hole 33 to be positioned above the soup plate 4 relative to the sleeve 32 under the matching of the driving mechanism.

The bottom of the shell 1 is provided with a heating element 12, the heating element 12 is generally an electric heating tube, an electric heating wire or an electric heating film, and can also be an electromagnetic coil generating an alternating magnetic field to enable the pot container 2 to generate heat by induction. In one embodiment, the bottom of the shell 1 is provided with a heat conducting plate 11, the heating element 12 is an electric heating tube, and the electric heating tube is nested on the inner side surface of the heat conducting plate 11, and the heat generated by the heating element 12 is conducted through the heat conducting plate 11, so that all parts of the bottom of the pot container 2 are heated more uniformly.

The upper end edge of the filter pot 3 is provided with a step part 34, and the upper end edge of the pot container 2 is placed through the step part 34. Preferably, the height dimension of the colander 3 is smaller than the height dimension of the pot container 2, so that when the colander 3 is arranged in the pot container 2, a gap is formed between the bottom of the colander 3 and the bottom of the pot container 2, and the gap is convenient for rice water generated in the rice cooking process to gather and enter the sleeve 32 from the opening on the lower end face of the sleeve 32. In a preferred embodiment, the bottom of the colander 3 is spaced from the bottom of the liner 2 by a gap of 5-25 cm.

In one embodiment, the soup plate 4 has a shaft hole 42 at the middle part, and is movably sleeved on the upper end of the sleeve 32 through the shaft hole 42.

Wherein, the quantity of through-hole 33 is preferred to 3 or more, and a plurality of through-holes 33 are the even setting in the last tip of sleeve pipe 32 of circumference array, and the even blowout of through-hole 33 of the all directions of the boiling water of being convenient for or steam can be passed through to guarantee to carry out even heating culinary art to the rice in the colander 3. In addition, the shape of the through hole 33 may be a circular hole, a square hole, or other shapes.

Furthermore, the soup plate 4 has a transverse dimension which is smaller than the transverse dimension of the filter bowl 3, and the soup plate 4 may be positioned inside the filter bowl 3 when the soup plate 4 is in the second relative position on the sleeve 32. Moreover, the radius of the soup plate 4 is preferably 20% -80% of the radius of the filter pot 3, the radius of the soup plate 4 is too small to receive the rice water sprayed from the through hole 33 when the soup plate 4 is at the second relative position on the sleeve 32, and the radius of the soup plate 4 is too large to block the steam from the through hole 32 and to prevent the steam from the through hole 32 from cooking the rice in the filter pot 3 from top to bottom, so that the soup plate 4 with a proper size is preferably selected.

The rice cooking process by the electric cooker is as follows: adding proper amount of rice 92 into the filter pot 3, and adding proper amount of water 91 into the pot container 2, wherein the water 91 is preferably about 5mm over the rice surface. Then the soup plate 4 is movably sleeved on the upper tail end of the sleeve 32 through the shaft hole 42, the soup plate 4 is in a first relative position on the sleeve 32, and therefore the through hole 33 on the sleeve 32 is located below the soup plate 4. After the cover body 5 is covered, the heating body 12 is electrified to start heating the water in the boiler liner 2, and when the water in the boiler liner 2 is heated to boiling, the water continues to be heated for a preset first time length T1; in the first time period T1, the pressure of boiling water in the sleeve 32 is increased sharply, the pressure difference exists in the space above the filter pot 3, the rice soup is forced to be sprayed out from the through hole 33 at the upper end of the sleeve 32 and then falls back into the filter pot 3 by the pressure difference, and then the rice in the filter pot 3 and the water through holes 31 at the bottom of the filter pot 3 are heated and boiled continuously in a circulating way, so that the rice is gelatinized, starch, sugar and the like in the rice are dissolved in the rice soup fully, and along with the gelatinization of the rice, the water in the pot container 2 is reduced compared with that in the beginning of cooking; after a first time period T1, the soup plate 4 is driven by the driving mechanism to move upwards along the sleeve 32, so that the soup plate 4 is switched from the first relative position to the second relative position on the sleeve 32, and the through hole 33 is located above the soup plate 4; then, the rice water sprayed out of the through hole 33 falls into the soup plate 4 and cannot continuously fall back into the filter pot 3 within the front period of the continuous heating process, the rice water in the pot liner 2 is less and less, the rice water is not sprayed out of the through hole 32 due to pressure difference, the rice water and the rice are thoroughly separated, part of the water in the rice water in the pot liner 2 is evaporated to generate steam during the continuous heating process, part of the steam penetrates through the water through hole from bottom to top to cook the rice in the filter pot 3 through the water through hole, and the other part of the steam penetrates through the sleeve 32 to cook the rice in the filter pot 3 from top to bottom after being sprayed out of the through hole, so that the cooking efficiency is high, and the rice in the filter pot 3 can be uniformly cooked. The second time period T2 may also be preset, and after the second time period T2 continues to be heated, a small amount of rice water may remain at the bottom of the pot container 2; of course, the second time period T2 may also be dynamic, for example, a temperature sensor is disposed at the bottom of the inner pot 2 to detect the heating temperature of the inner pot 2 in real time, and when it is determined that the evaporation of water is completed when the temperature in the inner pot 2 is detected to be too high, the power supply to the heating element 12 is stopped to stop heating, which indicates that the cooking is completed.

Therefore, the electric cooker of the utility model receives part of rice water through the soup plate 4 in the cooking process, and then part of the rice water is sealed and positioned below the filter liner 3 for cooking rice, so that the sugar content dissolved in the rice water in the rice gelatinization process is reduced by reducing the rice water and remained in the rice, the rice can be cooked, and the blood sugar reducing effect is good; the boiled rice has the taste of the traditional Chinese coconut rice, is soft and glutinous Q-shaped and has better quality. Moreover, the soup plate 4 is movably sleeved on the sleeve 32, and the filter pot 3 is detachably arranged in the pot container 2, so that the soup plate 4 and the filter pot 3 can be conveniently taken down after cooking, the pot container 2, the filter pot 3 and the soup plate 4 are respectively cleaned, and the cleaning is very convenient.

In order to facilitate the pressure difference of the rice water in the sleeve 32 to be sprayed out of the through hole 33, in a preferred embodiment, the sleeve 32 is arranged in a conical shape with a larger lower part and a larger upper part, so that the boiling water can more easily reach the through hole 33 at the upper end of the sleeve 32 in the conical sleeve 32.

And, set up shaft hole 42 size on soup plate 4, can let soup plate 4 be located through-hole 33 below and soup plate 4 and the bottom of colander 3 have the distance of predetermineeing when guaranteeing that soup plate 4 is in first relative position thereby guarantee that soup plate 4 is located on water and rice. In order to improve the smoothness of the movement of the soup plate 4 when the first relative position and the second relative position are switched along the upper end of the sleeve 32, the shaft hole 42 further extends out of the shaft sleeve 41, and the shaft sleeve 41 is arranged to be in a shape matched with the upper end of the sleeve 32, for example, the shaft sleeve 41 is also in a conical shape with a large lower part and a small upper part, so that the soup plate 4 slides on the sleeve 32 mainly according to the shaft sleeve 41 to avoid the clamping stagnation, the movement is smoother, and the reliability is improved.

There are various embodiments of the drive mechanism. In the embodiment shown in fig. 1 and 4, the driving mechanism comprises a magnetic conductive part 43 (for example, the magnetic conductive part 43 is made of SUS430 material) arranged on the soup plate 4, an electromagnet 6 arranged on the cover body 5, and a power supply and control circuit board 14 electrically connected with the electromagnet 6 through a lead 14, and when a first time period T1 is met, the power supply and control circuit board 14 makes the electromagnet 6 generate magnetism, so as to generate magnetic attraction force on the magnetic conductive part 43, and the magnetic attraction force makes the soup plate 4 switch from a first relative position to a second relative position on the sleeve 32. The electromagnet 6 may be powered to generate magnetism, or may be a non-magnetic power-off electromagnet when powered on, but is not limited thereto. Therefore, the power and control circuit board 14 makes the electromagnet 6 non-magnetic when cooking is started, so that the soup plate 4 is located at the first relative position on the sleeve 32, and the power and control circuit board 14 makes the electromagnet 6 magnetic until the first time period T1 elapses after the water in the pot container 2 is heated to boiling water.

Suppose the electromagnet 6 is energized to generate magnetism and is not energized to generate magnetism as an example: the power and control circuit board 14 specifically includes: a power supply, a controller (such as a singlechip) with a timer and a control switch (such as a relay or a silicon controller) connected between the power supply and the electromagnet 6, wherein the control electrode of the control switch is connected with a first control port of the controller. A data port of the controller is electrically connected with a temperature sensor for detecting the temperature of water in the boiler liner 2, when the temperature in the boiler liner 2 is detected to reach 100 ℃, a timer with a duration T1 is started, when the timing of the timer is reached, a first control port of the controller outputs a control signal to enable the control switch to keep a conducting state, so that a power supply is kept to supply power to the electromagnet 6 through the control switch, the electromagnet 6 is electrified to generate magnetism, and the magnetism enables the soup plate 4 to be switched from a first relative position to a second relative position on the sleeve 32 through the magnetic conduction part 43.

The magnetic conductive part 43 may be disposed on the peripheral edge, the lower side surface or above the shaft hole 42 of the soup plate 4, for example, the magnetic conductive part 43 is fixedly disposed at the upper end of the shaft sleeve 41 by bonding, welding or riveting, so that the magnetic conductive part 43 is close to the electromagnet 6 to facilitate enhancing the driving capability of the magnetic attraction force to the soup plate 4.

Of course, the drive mechanism may be of other configurations. For example, the soup plate 4 is connected to the cover 5 via a pull rope, and the cover 5 is provided with an adjusting part (e.g. a rotating disc around which the pull rope is wound) for changing the length of the pull rope, so that the soup plate 4 can be switched from a first relative position to a second relative position on the sleeve 32 when the pull rope is shortened by the adjusting part.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides an electric cooker, includes the shell that has the heat-generating body, establishes the pot courage in the shell, separable establishes the colander in the pot courage and covers the lid that closes on the pot courage, its characterized in that:

the bottom of the filter pot is provided with a sleeve extending upwards, the lower end surface of the sleeve is provided with an opening, the upper end surface of the sleeve is closed, and the upper tail end of the sleeve is provided with at least one through hole;

the upper end of the sleeve is provided with a soup plate, and the soup plate is provided with a first relative position and a second relative position relative to the sleeve, wherein the through hole is positioned below the soup plate, and the through hole is positioned above the soup plate;

the soup plate is driven to move upwards to switch from the first relative position to the second relative position on the sleeve by the driving mechanism.

2. The rice cooker according to claim 1, wherein: a gap is arranged between the bottom of the filter pot and the bottom of the pot liner.

3. The rice cooker according to claim 1, wherein: the middle part of soup plate is equipped with the shaft hole, and the soup plate passes through the cover of shaft hole activity and establishes the sheathed tube last terminal.

4. The rice cooker according to claim 1, wherein: the radius of the soup plate is 20-80% of the radius of the filter pot.

5. The rice cooker according to claim 1, wherein: the sleeve is conical with a larger lower part and a larger upper part and a smaller lower part.

6. The rice cooker according to claim 5, wherein: the middle part of soup plate is equipped with the shaft hole, still extends conical axle sleeve on the shaft hole, and the soup plate is established on sheathed tube last tip through the cover of axle sleeve activity.

7. The rice cooker according to claim 1, wherein: the soup plate is arranged on the sleeve in a first relative position, and a preset distance is reserved between the bottom of the soup plate and the bottom of the filter pot.

8. The rice cooker according to any one of claims 1 to 7, wherein: the driving mechanism comprises a magnetic conduction part arranged on the soup plate, an electromagnet arranged on the cover body, a power supply and a control circuit board, wherein the power supply and the control circuit board are used for enabling the electromagnet to generate magnetism so as to generate magnetic attraction to the magnetic conduction part, and the electromagnet is electrically connected with the power supply and the control circuit board through a lead.

9. The rice cooker according to claim 8, wherein: the magnetic conduction part is arranged on the peripheral edge and the lower side surface of the soup plate or positioned above the shaft hole.