CN112167960A - Steam heating rice cooker - Google Patents

Abstract

The invention provides a steam heating rice cooker which comprises a cooker body, a cooker cover assembly and an inner pot, wherein a steam generating part is arranged in the cooker body, the inner pot is placed in the cooker body, the cooker cover assembly comprises a cooker body cover covering the cooker body, a sealing ring is arranged between the lower edge of the cooker body cover and the upper edge of the cooker body, a bottom steam gap, a side steam gap and a top steam gap are arranged between the inner pot and the cooker body, the side steam gap is larger than the bottom steam gap and/or the top steam gap, and steam generated by the steam generating part fills the bottom steam gap, the side steam gap and the top steam gap to heat food materials in the inner pot. According to the invention, rice is cooked by the steam heating inner pot, so that no-coating rice cooking is realized, and meanwhile, the sealing ring is arranged between the cooker body cover and the cooker body, so that steam can be effectively prevented from escaping, and the energy efficiency is improved.

Description

Steam heating rice cooker

Technical Field

The invention belongs to the technical field of small kitchen appliances, and particularly relates to a steam heating rice cooker.

Background

The electric cooker is the most common cooking utensil in the resident life, and the current electric cooker structure includes a kind of deep pot body and courage body, and the internal heating device that is provided with of a kind of deep pot heats the courage body to the rice that cooks the courage body culinary art chamber is cooked. This kind of mode of culinary art rice, at first heating device with heat transfer to the courage body, through the courage body with heat transfer for the rice water mixture of courage body culinary art intracavity, the courage body and the grain of rice of high temperature carry out the contact and are heated, when the temperature of the courage body is very high, the easy gelatinization adhesion of grain of rice is on the courage body to form the phenomenon of clay pot. In order to prevent rice from sticking the cooker, the inner wall of the inner container of the existing rice cooker is coated with an anti-sticking coating which is easy to separate in the scraping process, so that certain health problems can be caused, and the anti-sticking service life of the anti-sticking coating is also problematic.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a steam heating rice cooker with better sealing property and heating property.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a steam heating rice cooker, includes a kind of deep pot body, a kind of deep pot lid subassembly, interior pot, the internal steam generation portion that is equipped with of a kind of deep pot, interior pot are placed at a kind of deep pot internally, a kind of deep pot lid subassembly closes a kind of deep pot body lid including the lid, is equipped with the sealing washer between the lower edge of a kind of deep pot body lid and the last edge of a kind of deep pot body, is equipped with end steam clearance, side steam clearance and top steam clearance between interior pot and the a kind of deep pot body, and side steam clearance is greater than end steam clearance and/or top steam clearance, and the steam that steam generation portion produced fills end steam clearance, side steam clearance and top steam clearance and eats.

Preferably, the inner pot is opened to the top steam gap, and steam enters the inner pot cooking cavity from the top steam gap to directly heat food materials.

Preferably, the inner bottom wall of the cooker body is provided with a groove, a heating plate is arranged in the groove, and the bottom of the groove is formed by the heating plate.

Preferably, the water replenishing pot further comprises a water replenishing assembly, wherein the water replenishing assembly comprises a water tank, and the water tank is connected with a water pipe to replenish water into the pot body.

Preferably, the water pipe is provided with a water pump, and the water pump controls the water inflow entering the cooker body so as to enable the water amount in the cooker body to be in a dynamic balance state.

Preferably, a plurality of positioning ribs or positioning blocks are protruded on the edge of the inner bottom wall of the cooker body, and the positioning ribs or the positioning blocks are abutted against the side wall of the inner pot to limit the radial movement of the inner pot.

Preferably, the steam heating rice cooker further comprises a partition plate, the partition plate is arranged on the inner bottom wall of the cooker body, and a plurality of air inlet holes are formed in the partition plate.

Preferably, the pot body cover is hinged to the pot body, the pot body cover and the pot body are buckled and closed through a buckle, and when the pot body cover and the pot body cover are closed, the pot body cover and the pot body press the sealing ring to seal a gap between the pot body cover and the pot body.

Preferably, the inner wall surface of the pot body cover is an inwards concave arc-shaped surface.

Preferably, the inner pot is made of glass.

Compared with the prior art, the invention has at least the following technical advantages.

1. The steam generating part generates steam, and the generated steam enters the bottom steam heating gap, the side steam heating gap and the top heating gap, so that the steam can comprehensively and three-dimensionally heat the inner pot, and the heating effect is good; in addition, in the invention, the sealing ring is arranged between the lower edge of the cooker body cover and the upper edge of the cooker body, and the sealing ring can effectively seal the gap between the cooker body cover and the cooker body and prevent steam from escaping from the gap. Furthermore, in the invention, the side steam gap is larger than the bottom steam gap and/or the top steam gap, so that the steam capacity in the side steam gap is maximum, and the steam enters the time period of top steam heating from the side steam gap, so that the heat in the side steam gap can be fully exchanged with the inner pot, and the phenomenon that the steam heat in the side steam gap is reduced too much to generate more condensate water is avoided.

2. In the invention, the inner bottom wall of the cooker body is provided with the groove, the bottom of the groove is formed by the heating plate, the groove is opened in the bottom steam gap, the heating plate heats water in the groove to generate steam, the generated steam directly enters the bottom steam gap to heat the inner pot, and the heating efficiency is high. Adopt the mode that the heating plate directly adds hot water to generate steam simultaneously, compare in boiler formula steam generator, can not lead to life to reduce because of the incrustation scale problem, the uncovered setting of heating plate can wash at any time.

3. According to the invention, the water tank and the water pump are used for automatically replenishing water to the groove, so that the water quantity in the groove can be effectively controlled, the heating plate is prevented from being dried, and the problem that steam is generated slowly when cooking is started due to excessive water quantity in the groove is solved.

4. In the invention, the inner pot is covered with the inner cover, the inner cover is provided with a first air outlet communicated with the cooking cavity of the inner pot and the top heating gap, the pot body cover is provided with a second air outlet communicated with the top heating gap and the outside, and the first air outlet and the second air outlet are arranged in a staggered manner, so that the direct discharge of steam in the inner pot can be avoided.

Drawings

Fig. 1 is an exploded view of the overall structure of the present invention.

Fig. 2 is an overall sectional structural view of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a structure view of the pot body of the present invention.

Fig. 5 is a structural view of the pot body cover of the present invention.

FIG. 6 is a schematic structural diagram of a second embodiment of the present invention.

In the figure, 100, a cooker body cover; 110. a seal ring; 120. a second air outlet; 200. a pot body; 210. a sealing part; 220. a heating plate; 230. a water pump; 240. a water pipe; 250. a groove; 260. positioning ribs; 300. a partition plate; 400. a water tank; 500. an inner pot; 510. an inner cover; 511. a handle; 512. a first air outlet; 610. a bottom steam gap; 620. a side steam gap; 630. a top steam gap.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

The invention provides a steam heating rice cooker which comprises a cooker body, a cooker cover assembly and an inner pot, wherein a steam generating part is arranged in the cooker body, the inner pot is placed in the cooker body, the cooker cover assembly comprises a cooker body cover covering the cooker body, a sealing ring is arranged between the lower edge of the cooker body cover and the upper edge of the cooker body, a bottom steam gap, a side steam gap and a top steam gap are arranged between the inner pot and the cooker body, the side steam gap is larger than the bottom steam gap and/or the top steam gap, and steam generated by the steam generating part fills the bottom steam gap, the side steam gap and the top steam gap to heat food materials in the inner pot. According to the technical scheme, the inner pot is heated by steam, the inner pot is cooked without a coating, and the integral sealing performance of the rice cooker can be effectively guaranteed during steam heating cooking. The technical solution of the present invention is further illustrated by the following examples.

Example one

Referring to fig. 1 to 5, fig. 1 to 5 show a first embodiment of the present invention, in which a steam heating rice cooker includes a cooker body 200, an inner pot 500 and a cooker body cover 100, a receiving cavity opened in the cooker body 200 for receiving the inner pot 500 is formed by surrounding an inner bottom wall and an inner side wall of the cooker body 200, and the cooker body cover 100 is covered on the cooker body 200 to cover the receiving cavity.

The inner bottom wall of the cooker body 200 is provided with a groove 250, the bottom of the groove 250 is provided with a heating plate 220, and the heating surface of the heating plate 220 forms the bottom of the groove 250. The heating plate heats water in the groove 250, thereby generating steam, by which the inner pot 500 is heated. In this embodiment, recess 250 is uncovered in holding the chamber, and steam is generated by heating plate direct heating, compares in boiler formula steam generator, and is lower to the requirement of quality of water, can not produce the incrustation scale and pile up in steam generator, leads to the unable problem of normal work of steam generator. After the cooking is finished, the surface of the heating plate can be directly scrubbed, so that sundries such as water scales are not on the heating surface of the heating plate, and the heating efficiency is high.

Specifically, when the inner pot 500 is placed in the pot body 200, there is a space between the bottom wall of the inner pot 500 and the inner bottom wall of the pot body 200 to form a bottom steam gap 610, a space between the side wall of the inner pot 500 and the side wall of the pot body 200 to form a side steam gap 620, and a space between the opening edge of the inner pot 500 and the pot body cover 100 to form a top steam gap 630, wherein the bottom steam gap 610, the side steam gap 620 and the top steam gap 630 are communicated with each other. After water in the heating plate heating groove 250 produced steam, steam entered and was full of bottom steam gap 610 earlier, then entered into side steam gap 620 and was full of side steam gap 620, entered into steam gap 630 to the top at last, so, steam has realized the omnidirectional to have surrounded to the outside of interior pot 500, and the heating is more even, and is three-dimensional, and the edible material taste that the culinary art was come out is good.

In addition, in this embodiment, carry out heat transfer through steam to interior pot 500, the pot wall temperature of interior pot 500 is not too high, and when edible materials such as rice grain and interior pot 500 pot wall carried out the contact and is heated, edible materials such as rice grain can not adhere in 500 pot walls on, therefore need not spray anti-sticking coating on interior pot 500 pot walls, realized uncoated cooking, edible materials such as the rice that cooks out are more healthy. Preferably, the inner pot in the embodiment can be made of glass, the inner pot made of glass is healthy in use, after different food materials are cooked, peculiar smell does not exist, and taste channeling among the food materials is not easy to cause.

In this embodiment, the width of the side steam gap 620 is greater than the width of the bottom steam gap 610 and/or the top steam gap 630, so as to effectively improve the heat exchange between the steam and the pot wall of the inner pot 500, and reduce the condensed water in the side steam gap 620. Specifically, the width of side steam clearance 620 is between 5mm to 30mm, for example 5mm, 10mm, 15mm, 20mm, 25mm, 30mm etc. when side steam clearance 620 is in this width range, the steam content in side steam clearance 620 is more, can have sufficient heat transfer to transmit interior pot 500, self can not lead to the problem that produces a large amount of comdenstions because of heat transfer is too much simultaneously, on the other hand, this steam temperature that has also guaranteed to get into steam clearance 630 to the top has better temperature value, with the three-dimensional heating of pot 500 in realizing. The width of the top steam gap 630 is between 3mm and 15mm, such as 3mm, 5mm, 7mm, 9mm, 10mm, 11mm, 13mm, 15mm, etc., the width of the bottom steam gap 610 is between 3mm and 15mm, such as 3mm, 5mm, 7mm, 9mm, 10mm, 11mm, 13mm, 15mm, etc., when the top steam gap 630 and the bottom steam gap 610 are in this width range, on one hand, the steam can be effectively ensured to heat the top and the bottom of the inner pot 500, on the other hand, the widths of the top steam gap 630 and the bottom steam gap 610 are not too large, and the overall height of the steam-heated rice pot can have a good range.

Further, during the cooking process, the steam fills the side steam gap 620 and the top steam gap 630, and in order to prevent the steam from leaking out from the gap between the pot body cover 100 and the pot body 200, in this embodiment, the sealing ring 110 is disposed between the pot body cover 100 and the pot body 200, when the pot body cover 100 and the pot body 200 are covered, the sealing ring 110 is pressed by the pot body cover 100 and the pot body 200, and the gap between the pot body cover 100 and the pot body 200 is sealed by the sealing ring 110. Specifically, in some embodiments, the sealing ring 110 may be disposed on the pot body cover 100, the sealing portion 210 cooperating with the sealing ring 110 is disposed on the middle ring of the pot body 200, and the sealing ring 110 is pressed against the sealing portion 210 during sealing cooperation, so that the sealing ring 110 can be effectively ensured to perform good sealing on the gap between the pot body cover 100 and the pot body 200, and the gap between the pot body cover 100 and the pot body 200 can be ensured to be minimum. It should be additionally noted that the sealing portion 210 can be an annular groove disposed on the ring of the pot body 200, an annular step located inside the opening wall of the ring of the pot body 200, or a chamfered portion inside the opening wall of the ring of the pot body 200. In other embodiments, the sealing ring 110 can also be disposed on the pot body 200, and the pot body cover 100 is provided with an annular groove to cooperate and seal with the sealing ring 110, so as to form a better sealing effect.

In this embodiment, the inner pan 500 is covered with an inner lid 510, and the cooking cavity of the inner pan is sealed by the inner lid 510. Because steam heating rice cooker adopts steam heating, when cooking gets into the heat preservation stage, produce a large amount of comdenstions water on the a kind of deep pot body lid 100 easily, if interior pot 500 is uncovered state, the comdenstion water on the a kind of deep pot body lid 100 drips easily in interior pot 500 to the taste of eating the material in the pot 500 in the influence, pot culinary art chamber in coming the closing cap through inner cup 510, can prevent that the comdenstion water on the internal wall of a kind of deep pot body lid 100 from dripping to interior pot culinary art intracavity.

Further, in this embodiment, the inner lid 510 and the pot body lid 100 are designed in a split manner, that is, the inner lid 510 can be separately covered on the inner pot 500, so that after the inner pot 500 is taken out, the inner lid 510 can still be covered on the inner pot 500 to keep the food materials in the inner pot 500 warm. Be provided with handle 511 on the inner cup 510, convenience of customers takes and puts inner cup 510, and handle 511 comprises the elastic component, and when a kind of deep pot body lid 100 closed with a kind of deep pot body 200 lid, a kind of deep pot body lid 100 crimping was on the elastic component to make inner cup 510 can sticis interior pot 500 pot edges, the lid closes the better effect

Further, in this embodiment, a first air outlet 512 is provided on the inner lid 510, a second air outlet 120 is provided on the cooker body lid 100, the first air outlet 512 communicates with the inner cooker cooking cavity and the top steam gap 630, the second air outlet 120 communicates with the top steam gap 630 and the outside, steam in the inner cooker cooking cavity enters the top steam gap 630 from the first air outlet 512, and steam in the top steam gap 630 is exhausted to the outside from the second air outlet 120. In order to prevent the steam in the inner pot 500 from directly discharging to the outside, in the present embodiment, the first air outlet 512 and the second air outlet 120 are arranged in a staggered manner, and the staggered arrangement means that the axes of the first air outlet 512 and the second air outlet 120 are not coincident. Considering that the covering position of the inner pot 500 in the inner lid 510 is not unique, the inner lid 510 can still cover the inner pot 500 by rotating along its own axis to a certain degree, in order to ensure that the first air outlet 512 and the second air outlet 120 are arranged in a staggered manner, the first air outlet 512 can be arranged at the center of the inner lid 510, the second air outlet 120 can be arranged at the non-center of the cooker body cover 100, or conversely, the first air outlet 512 can be arranged at the non-center of the inner lid 510, and the second air outlet 120 can be arranged at the center of the cooker body cover 100, so that the first air outlet 512 and the second air outlet 120 are both in a staggered arrangement state no matter which angle the user covers the inner lid 510.

In this embodiment, a side steam gap 620 is formed between the side wall of the inner pot 500 and the inner side wall of the pot body 200, and when the inner pot 500 is placed in the pot body 200, the inner pot is easy to move radially, so that the widths of the side steam gaps 620 at different positions are different, and the cooking effect is affected. In order to solve the problem, in the embodiment, a plurality of positioning blocks or positioning ribs 260 are protruded on the edge of the inner bottom wall of the pot body 200, and when the inner pot 500 is placed in the pot body 200, the positioning blocks and the positioning ribs 260 abut against the side wall of the inner pot 500 to limit the radial movement of the inner pot 500, so as to prevent the inner pot 500 from moving radially in the pot body 200. In other embodiments, the positioning block and the positioning rib 260 can also be disposed on the inner side wall of the pot body 200, and in still other embodiments, the positioning block and the positioning rib 260 can be L-shaped, partially extending to the inner side wall of the pot body 200 and partially extending to the inner bottom wall of the pot body 200.

A bottom steam gap 610 needs to be reserved between the bottom wall of the inner pot 500 and the bottom wall of the pot body 200, and is used for heating the bottom wall of the inner pot 500 on one hand and serving as a passage for steam to enter the side steam gap 620 on the other hand. Therefore, the bottom wall of the inner pan 500 and the inner bottom wall of the pot body 200 need to be spaced, in this embodiment, a plurality of support ribs or support blocks protrude from the bottom wall of the inner pan 500 or the inner bottom wall of the pot body 200, the inner pan 500 is supported by the support ribs or support blocks, and a bottom steam gap 610 is formed between adjacent support ribs or support blocks. In some embodiments, a partition 300 can be arranged between the bottom wall of the inner pan 500 and the bottom wall of the cooker body 200, the partition 300 is provided with a plurality of air inlets, the partition 300 supports the inner pan 500, and the partition 300 is advantageous in that, on one hand, when the heating plate heats water, the water is vigorously boiled and generates a large amount of bubbles, the boiling water can be prevented from splashing on the inner pan 500 through the partition 300 to cause uneven heating, and meanwhile, the partition 300 can also break the bubbles; on the other hand, baffle 300 can regard as to evaporate the material platform, steamed stuffed bun, steamed bun, sweet potato etc. and need not carry out the edible material that evaporates through interior pot 500 and can directly place and evaporate on baffle 300, and then make this steam heating rice cooker's function more diversified.

In this embodiment, adopt steam to heat, need a large amount of steam among the culinary art process, the water consumption in the recess 250 is bigger, need guarantee to have certain water yield all the time in the recess 250 and prevent that the heating plate from burning futilely. In this embodiment, the water tank 400 is used to replenish the water in the groove 250. Specifically, the water tank 400 and the accommodating cavity of the cooker body 200 are communicated through the water pipe 240, and the water pipe 240 can be directly introduced into the groove 250 or introduced into other positions in the accommodating cavity to enter the groove 250 through natural flow of water. In some embodiments, the water pipe 240 is provided with the water pump 230, the water in the water tank 400 enters the accommodating cavity by the power of the water pump 230, the water inflow of the water pump 230 per unit time can be related to the heating power of the heating plate, and the amount of steam in the groove 250 is ensured to be the same as the newly added amount of steam, so that a dynamic balance is formed, and the production speed of the steam can be ensured to be in the most reasonable interval. In other embodiments, the water in the water tank 400 may be fed into the receiving chamber by adjusting the position of the water tank 400 and the pressure between the liquid level differences.

The steam heating rice cooker that this embodiment provided, when culinary art rice, the water yield in the heating plate start-up heating recess 250, this period of time of water in the recess 250 intensification to the boiling stage can be used for the grain of rice to absorb water, and after the water boiling, the steam of production is full of end steam clearance 610, and side steam clearance 620 and top steam clearance 630, the outside of pot 500 carries out omnidirectional three-dimensional heating to interior pot 500 in steam surrounds, and rice is heated evenly, and the taste is good.

Example two

The embodiment is a further improvement on the first embodiment.

In this embodiment one, be provided with the pot cover on the interior pot 500 and come to cover interior pot culinary art chamber, steam can not enter into interior pot culinary art chamber and carry out the direct heating to eating the material, and the receiving of eating the material is heated more slowly.

Referring to fig. 6, in the present embodiment, the inner cooking cavity is open to the top steam gap 630, and the steam in the top steam gap 630 can directly enter the inner cooking cavity to heat rice grains, so as to increase the heating speed of rice. In addition, as the steam can enter the inner cooking cavity, the steam can effectively supplement water for rice in the process of directly heating rice grains, so that the rice can be more wet and delicious after being cooked.

In this embodiment, the inner cooking cavity is open, and the condensed water on the pot body cover 100 easily drops into the inner cooking cavity to cause the rice on the upper surface layer to be gelatinized, so that the shape and taste of the rice on the upper surface layer are deteriorated. The reason is that the condensed water is different from steam, the moisture particles in the steam are extremely small and are in a high-temperature state and are easily absorbed by rice grains, so that the rice grains are wet and full and have distinct particles, and the temperature of the condensed water is low, the moisture particles are large, and rice gelatinization can be caused.

To solve this problem, in the present embodiment, the inner surface of the pot body cover 100 is concavely curved, so that the condensed water generated on the pot body cover 100 can flow toward the periphery along the inner surface of the pot body cover 100 and drip into the side steam gap 620.

EXAMPLE III

The present embodiment is a further improvement on the first embodiment.

The difference between the first embodiment and the second embodiment is that in the present embodiment, the inner cover 510 is fixedly disposed on the pot body cover 100, specifically, the inner cover 510 may be a part of the pot body cover 100, the inner cover 510 may be fixedly disposed on the pot body cover 100, or the inner cover 510 may be detachably disposed on the pot body cover 100. When the pot body cover 100 is covered on the pot body 200, the inner cover 510 just covers the inner pot 500 to cover the cooking cavity of the inner pot, and when the pot body cover 100 is opened, the inner cover 510 moves together with the pot body cover 100 to open the cooking cavity of the inner pot.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (10)

1. The utility model provides a steam heating rice cooker, includes a kind of deep pot body, a kind of deep pot lid subassembly, interior pot, the internal steam generation portion that is equipped with of a kind of deep pot, and interior pot is placed at a kind of deep pot internal, its characterized in that, a kind of deep pot lid subassembly closes a kind of deep pot body lid including the lid, is equipped with the sealing washer between the lower edge of a kind of deep pot body lid and the last edge of a kind of deep pot body, is equipped with end steam clearance, side steam clearance and top steam clearance between interior pot and the a kind of deep pot body, and side steam clearance is greater than end steam clearance and/or top steam clearance, and the steam that steam generation portion produced fills end steam clearance, side steam clearance and top steam clearance and.

2. The steam-heated rice cooker of claim 1, wherein the inner pan is open to the top steam gap, steam entering the inner pan cooking chamber from the top steam gap for direct heating of the food material.

3. The steam-heated rice cooker of claim 1, wherein the inner bottom wall of the cooker body has a recess therein, and wherein a heating plate is disposed in the recess, the heating plate defining a bottom of the recess.

4. The steam-heated rice cooker of claim 1, further comprising a refill assembly including a water tank to which a water tube is connected to refill water into the cooker body.

5. The steam-heated rice cooker as claimed in claim 4, wherein a water pump is provided on the water pipe, the water pump controlling the amount of water entering into the cooker body so that the amount of water in the cooker body is in a dynamic equilibrium state.

6. The steam-heated rice cooker of claim 1, wherein a plurality of positioning ribs or positioning blocks are protruded from the edge of the inner bottom wall of the cooker body, and the positioning ribs or positioning blocks abut against the side wall of the inner cooker to limit the radial movement of the inner cooker.

7. The steam-heated rice cooker of claim 1, further comprising a partition provided on the inner bottom wall of the cooker body, the partition being provided with a plurality of air intake holes.

8. The steam-heated rice cooker of claim 1, wherein the cooker body cover is hinged to the cooker body, the cooker body cover and the cooker body are snap-fitted together, and when the cooker body cover and the cooker body cover are closed, the cooker body cover and the cooker body press the sealing ring to seal a gap between the cooker body cover and the cooker body.

9. The steam-heated rice cooker as claimed in claim 1, wherein the inner wall surface of the cooker body cover is an inwardly concave arc-shaped surface.

10. The steam-heated rice cooker of claim 1, wherein the inner pot is made of glass.

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