CN216147847U - Steam cooking utensil with scale removal function - Google Patents

Abstract

The application discloses steam cooking utensil with scale removal function belongs to kitchen appliance technical field, and steam cooking utensil includes steam generator and supplies the liquid unit, supplies the liquid unit to include water pump and water tank, and the water tank is equipped with first stock solution chamber and second stock solution chamber, intercommunication mouth department is equipped with the check valve, the check valve has the second stock solution chamber with seal during atmospheric pressure is balanced between the first stock solution chamber the closed condition of intercommunication mouth, and atmospheric pressure in the second stock solution chamber is less than open during atmospheric pressure in the first stock solution chamber the open mode of intercommunication mouth. Through setting up above-mentioned water tank for when needs descale cooking utensil, the washing liquid flows into steam generator, descale steam generator etc. and the former water flows into first stock solution chamber and flows into steam generator from the drain port after, realizes the operation of washing after the descale steam generator etc. need not the user and in order to wash pipeline etc. to the interior secondary water injection of water tank.

Description

Steam cooking utensil with scale removal function

Technical Field

The utility model belongs to the technical field of kitchen appliance, especially, relate to a steam cooking utensil with scale removal function.

Background

Existing steam cooking devices typically include a steam generator, by which water is heated to generate steam to provide a source of steam heat for food cooking, and a water tank for supplying liquid to the steam generator. However, when non-pure water is used for heating, the steam generator generates scale, and the scale problem is more serious especially when the steam generator is used in areas with hard water quality. And as the scaling time is prolonged, the difficulty of scale cleaning is higher, and finally the pipeline is blocked. In order to reduce or even eliminate the scale, cleaning agents such as citric acid and the like are generally injected into the water tank, the steam generator and the like are cleaned by combining with a cleaning program of the steam cooking appliance, water is added into the water tank again after the cleaning operation is finished, and the cleaning program is operated again to clean residual cleaning agents.

According to the method, the cleaning agent is required to be injected into the water tank when the cleaning program is operated for the first time, after the cleaning is finished, clear water is required to be poured into the water tank again, the cleaning program is operated again to wash residues, the operation is complex, the cleaning time is long, the whole cleaning process can be finished only by the user watching at any time, one-key automatic descaling cannot be realized, and the use experience of consumers is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The present application provides a steam cooking appliance with a descaling function to solve at least one of the above technical problems.

The technical scheme adopted by the application is as follows: a steam cooking appliance with a descaling function comprises a steam generator and a liquid supply unit for supplying liquid to the steam generator, wherein the liquid supply unit comprises a water pump and a water tank which can be communicated with the water pump,

the water tank is equipped with first stock solution chamber, second stock solution chamber, intercommunication the second stock solution chamber with the leakage fluid dram of water pump and intercommunication first stock solution chamber with the intercommunication mouth in second stock solution chamber, intercommunication mouth department is equipped with the check valve, the check valve has the second stock solution chamber with seal when atmospheric pressure is balanced between the first stock solution chamber the closed condition of intercommunication mouth, and atmospheric pressure in the second stock solution intracavity is less than open during the atmospheric pressure in the first stock solution intracavity the open condition of intercommunication mouth.

The steam cooking appliance in the present application also has the following additional technical features:

the check valve is configured to act under a pressure differential between the second reservoir chamber and the first reservoir chamber to switch from the closed state to the open state.

The check valve comprises a sealing part made of elastic materials, a water passing gap is arranged on the sealing part, the water passing gap is switched from a closed state to an open state under the action of pressure difference between the second liquid storage cavity and the first liquid storage cavity, and is switched from the open state to the closed state under the action of elasticity of the sealing part.

The cooking utensil still includes and is used for opening or closing the apron in second stock solution chamber, the apron with the sealed cooperation in second stock solution chamber, the intercommunication mouth set up in the apron, the check valve still include with location portion that the sealing links to each other, the apron be equipped with the mounting hole of location portion adaptation.

And a convex rib which is fixedly connected with the water tank integrally and matched with the bottom wall and/or the side wall of the water tank to form the second liquid storage cavity is arranged in the water tank.

The cooking utensil also comprises a cleaning box with the second liquid storage cavity, the cleaning box is arranged in the water tank in a removable mode, and the cleaning box is provided with a fluid outlet which can be communicated with the liquid outlet.

The cleaning box is provided with a first plugging piece for opening or closing the fluid outlet, an installation position for installing the cleaning box is arranged in the water tank, a top opening piece for triggering the first plugging piece to move so as to open the fluid outlet is arranged at the installation position, the cleaning box is arranged in the installation position and is in sealing fit with the water tank so as to form a water passing cavity, and the liquid outlet is communicated with the water passing cavity.

The sealing part is provided with a sealing lip edge which is in sealing fit with the inner wall of the communication opening, and the sealing part is in sealing fit with the communication opening through the sealing lip edge in a closed state.

The cooking utensil further comprises a water tank cover used for opening or closing the top opening of the water tank, and the water tank cover is in sealing fit with the second liquid storage cavity;

the first liquid storage cavity is internally provided with a drainage tube which is used for communicating the first liquid storage cavity with the second liquid storage cavity, one end of the drainage tube is fixed at the communication port and is in sealing fit with the communication port, and the other end of the drainage tube extends into the lower part of the first liquid storage cavity.

The steam cooking appliance comprises an appliance body, wherein the appliance body is provided with a water tank placing position, the water tank is placed in the water tank placing position in a manner of being capable of being taken and placed, the liquid outlet is provided with a second plugging piece used for opening or closing the liquid outlet, the water tank placing position is provided with a triggering piece, and when the water tank is placed in the water tank placing position, the triggering piece triggers the second plugging piece to open the liquid outlet.

Due to the adoption of the technical scheme, the beneficial effects obtained by the application are as follows:

1. in the application, the water tank is provided with a first liquid storage cavity, a second liquid storage cavity, a liquid outlet for communicating the second liquid storage cavity with the water pump, and a communication port for communicating the first liquid storage cavity with the second liquid storage cavity, by arranging a one-way valve at the communication port, and the one-way valve has a closed state of closing the communication port when the air pressure between the second liquid storage cavity and the first liquid storage cavity is balanced, when the air pressure between the second liquid storage cavity and the first liquid storage cavity is balanced, the communication port is closed, so that the fluid between the second liquid storage cavity and the first liquid storage cavity is blocked, the condition that the cleaning fluid in the second liquid storage cavity enters the first liquid storage cavity through the communication port to cause liquid pollution in the first liquid storage cavity is avoided, meanwhile, the situation that liquid in the first liquid storage cavity enters the second liquid storage cavity through the communication port to cause that the cleaning liquid is diluted and the next descaling operation cannot be carried out is avoided. And when the air pressure in the second liquid storage cavity is smaller than the air pressure in the first liquid storage cavity, the opening state of the communication port is opened, so that when the air pressure in the second liquid storage cavity is smaller than the air pressure in the first liquid storage cavity, the communication port is opened, the circulation of fluid between the second liquid storage cavity and the first liquid storage cavity is realized, and the smooth flushing of scale residues after descaling is ensured.

The water tank is constructed by the arranged one-way valve, when the air pressure in the second liquid storage cavity is smaller than the air pressure in the first liquid storage cavity, liquid in the first liquid storage cavity flows into the second liquid storage cavity through the communication port and is discharged from the liquid discharge port, so that when a user needs to descale the cooking utensil, raw water is injected into the first liquid storage cavity, cleaning liquid is injected into the second liquid storage cavity, after the cleaning mode is started, the cleaning liquid in the second liquid storage cavity enters the water pump and the steam generator through the liquid discharge port, automatic descaling is performed on the steam generator, the water pump, a pipeline and the like, along with the continuous discharge of the cleaning liquid, the air pressure in the second liquid storage cavity is continuously reduced, the air pressure in the second liquid storage cavity is smaller than the air pressure in the first liquid storage cavity, and then the liquid in the first liquid storage cavity flows into the second liquid storage cavity through the communication port and is discharged into the water pump and the steam generator through the liquid discharge port, play the effect of scouring away the interior incrustation scale residue of steam generator, water pump and pipeline to guarantee the cleanliness of steam generator and water pump, the life of extension steam generator and water pump need not the user in addition to the water tank secondary water injection in order to wash pipeline and steam generator, has realized the washing operation of province step, and promotion user uses and experiences.

2. As a preferred embodiment of the application, through the one-way valve structure for in the second stock solution chamber with action under the pressure differential effect between the first stock solution chamber, with by the enclosed state switch to the open mode, make cooking utensil when carrying out the cleaning program, along with the continuous consumption of the interior washing liquid of second stock solution chamber, the inside environment that forms a little negative pressure of second stock solution chamber, and first stock solution chamber at this moment is linked together with the external world, therefore be atmospheric pressure in the first stock solution chamber, under the effect of pressure differential, the check valve is backed up by the raw water, by the enclosed state switch to the open mode, the raw water in the first stock solution chamber flows into the second stock solution intracavity through the check valve, realizes the abundant dilution to the washing liquid to play the effect of washing away the interior incrustation scale residue of pipeline and steam generator, avoided through setting up the break-make of other drive parts in order to realize the intercommunication mouth, the structure of the whole machine is simplified, and the production cost is reduced.

3. As a preferred embodiment of this application, through inciting somebody to action the check valve sets up to include the sealing of being made by elastic material, just the sealing is equipped with the water clearance, it is in to cross the water clearance the second stock solution chamber with under the pressure differential effect of first stock solution chamber by the closure state switches into the open mode, and by under the elastic action of sealing self the open mode switches into the closure state, does not exist when pressure differential promptly, crosses the water clearance and is in the closure state, owing to be elastic material and make, therefore sealed effect is better, avoids the raw water to enter into the second stock solution intracavity through the check valve, simultaneously the sealing under self elastic action alright by the open mode switches into the closure state, and simple structure has reduced manufacturing cost.

4. As a preferred embodiment of this application, through with cooking utensil sets up to still including being used for opening or closing the apron in second stock solution chamber for the user can add the washing liquid in to second stock solution intracavity through opening the apron, convenient and fast more. And the cover plate is in sealing fit with the second liquid storage cavity, so that the sealing performance of the second liquid storage cavity and the cover plate is improved, and raw water can only enter the second liquid storage cavity through the one-way valve. Simultaneously the intercommunication mouth set up in the apron, just the check valve still include with the location portion that the sealing links to each other, the apron be equipped with the mounting hole of location portion adaptation has guaranteed the stability that sealing and intercommunication mouth cooperation are connected, avoids the sealing to fall into the condition in second stock solution intracavity under raw water pressure.

5. As an preferred embodiment of this application, through set up in the water tank with the water tank an organic whole link firmly and with the diapire and/or the lateral wall cooperation of water tank are in order enclosing the protruding muscle in second stock solution chamber has saved the part of establishing the second stock solution chamber in addition, and the structure is simpler and the assembly of being convenient for, and protruding muscle links firmly with the water tank an organic whole simultaneously, has improved the leakproofness of water tank and protruding muscle, avoids the raw water to enter into the circumstances in the second stock solution chamber through the gap between water tank and the protruding muscle.

6. As an optimal implementation mode of this application, through will the cooking ware sets up to still including having the washing box in second stock solution chamber, just the washing box can be got to put and place in the water tank for the user can take out the washing box and pour into the washing liquid into when needing to add the washing liquid to second stock solution intracavity, and the operation is convenient and fast more, has promoted user's use and has experienced, still can take out the washing box simultaneously and carry out the omnidirectional washing, guarantees the cleanliness in second stock solution chamber. And cooking device is when carrying out normal culinary art procedure, can take out the washing box and pour into liquid into to the water tank in, can enlarge effectual raw water injection volume to a certain extent, provides more raw water supply for steam generator.

7. As a preferred embodiment of this application, through set up at the washing box and be used for opening or seal the first shutoff piece of fluid outlet for the user is when pouring into the washing liquid into second stock solution intracavity, and the washing liquid can not flow from the fluid outlet, has guaranteed the stability of washing liquid in second stock solution intracavity. Simultaneously be equipped with in the water tank and be used for the installation wash the installation position of box, just installation position department is equipped with and is used for triggering first shutoff piece action is in order to open the piece that backs down of fluid outlet, wash the box and arrange in during the installation position, wash the box with the sealed cooperation of water tank is in order to form the water cavity, the leakage fluid dram with the water cavity intercommunication of crossing for wash the box after placing in place, the piece that backs down first shutoff piece in order to open the fluid outlet, makes liquid pass through water cavity and leakage fluid dram discharge, and the operation is convenient and fast more, has promoted user and has used experience.

8. As a preferred embodiment of the application, through set up the baffle in the water tank, so that the inner space partition of water tank is for the second stock solution chamber with first stock solution chamber, cooking utensil still including being used for opening or closing the open-top's of water tank lid simultaneously, the tank lid with the sealed cooperation of second stock solution chamber, in addition be equipped with in the first stock solution chamber and be used for the intercommunication first stock solution chamber with the drainage tube in second stock solution chamber for cooking utensil is when carrying out the cleaning mode, along with the liquid in the second stock solution chamber is by the outer pipeline of water pump suction water tank gradually and steam generator etc. because the tank lid is sealed with second stock solution chamber, outside air can not enter into the second stock solution intracavity, therefore the pressure in the second stock solution chamber can reduce gradually, and the first stock solution chamber at this moment is linked together with the external world, therefore, the first liquid storage cavity is at atmospheric pressure, and under the action of pressure difference, liquid in the first liquid storage cavity flows into the second liquid storage cavity through the drainage tube, so that dilution of cleaning liquid is realized, and the effect of flushing scale residues in a pipeline and a steam generator is achieved. And the one end of drainage tube is fixed in the department of intercommunication mouth and with the sealed cooperation of intercommunication mouth, further improved the leakproofness in second stock solution chamber, avoided the air to enter into the condition in second stock solution intracavity through the clearance of intercommunication mouth with the drainage tube.

9. As a preferred embodiment of this application, steam cooking utensil still includes the organism, through the organism is provided with the water tank and places the position, just the water tank can be put and put the ground and place in the water tank is put the position for the water tank can be put for the organism for the user can take off the water tank and carry out corresponding operation when needs wash or add water to the water tank, makes things convenient for the washing of water tank and adds water. Meanwhile, the liquid outlet is provided with a second plugging piece for opening or closing the liquid outlet, the water tank placing position is provided with a trigger piece, when the water tank is placed at the water tank placing position, the trigger piece triggers the second plugging piece to open the liquid outlet, so that when the water tank is not placed at the water tank placing position, the liquid outlet is closed by the second plugging piece, and liquid in the water tank is prevented from flowing to the outside. Meanwhile, when the water tank is placed at the water tank placing position, the trigger piece triggers the second plugging piece to open the liquid outlet, so that the liquid outlet is opened, the operation is more convenient and faster, and the use experience of a user is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of a cooking appliance according to an embodiment of the present application;

FIG. 2 is a view of a connection of a water tank to a steam generator according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a water tank according to one embodiment of the present application;

FIG. 4 is an exploded view of a water tank according to one embodiment of the present application;

FIG. 5 is a cross-sectional view of a water tank according to another embodiment of the present application;

FIG. 6 is an exploded view of a water tank according to another embodiment of the present application;

FIG. 7 is a cross-sectional view of a water tank according to yet another embodiment of the present application;

fig. 8 is a schematic structural diagram of a tank body of a water tank according to still another embodiment of the present application.

Wherein,

1-a water tank, 11-a first liquid storage cavity, 12-a convex rib, 121-a second liquid storage cavity, 13-a liquid discharge port, 14-an open-top piece, 15-a top opening, 16-a water tank cover, 161-a sealing rib, 17-a partition plate, 171-a positioning block and 18-a drainage tube;

2-machine body, 21-water tank placing position and 22-water pump;

3-a steam generator;

4-one-way valve, 41-sealing part, 411-water gap and 42-positioning part;

5-cover plate, 51-communicating port, 52-mounting hole;

6-a second closure;

7-a seal;

8-a first block piece;

9-cleaning box, 91-water passing cavity and 92-fluid outlet.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1, 2 and 3, a steam cooking appliance with a descaling function comprises a steam generator 3 and a liquid supply unit for supplying liquid to the steam generator 3, wherein the liquid supply unit comprises a water pump 22 and a water tank 1 which can be communicated with the water pump 22, the water tank 1 is provided with a first liquid storage cavity 11, a second liquid storage cavity 121, a liquid discharge port 13 for communicating the second liquid storage cavity 121 with the water pump 22, and a communication port 51 for communicating the first liquid storage cavity 11 with the second liquid storage cavity 121, and the water tank 1 is configured in such a way that when the air pressure in the second liquid storage cavity 121 is smaller than the air pressure in the first liquid storage cavity 11, the liquid in the first liquid storage cavity 11 flows into the second liquid storage cavity 121 through the communication port 51 and is discharged from the liquid discharge port 13.

In the present application, the first liquid storage chamber 11 is generally filled with raw water, which is non-purified water, i.e. municipal tap water, but may be filled with purified water, distilled water, etc. Meanwhile, the cleaning liquid is injected into the second liquid storage cavity 121 in the cleaning mode of the cooking appliance, and in the cooking mode of the cooking appliance, raw water, purified water, distilled water or the like can be injected into the second liquid storage cavity 121, as a preferred embodiment of the present application, the cleaning liquid is a mixed solution of water and citric acid, and citric acid is generally food-grade citric acid, so that the prepared cleaning liquid is safe and sanitary, and does not damage the steam generator 3 and the pipeline.

This application is through inciting somebody to action water tank 1 constructs to be in atmospheric pressure in the second stock solution chamber 121 is less than during atmospheric pressure in the first stock solution chamber 11, liquid in the first stock solution chamber 11 passes through intercommunication mouth 51 flows in the second stock solution chamber 121 and certainly discharge leakage fluid dram 13 for the user is when needs are descaled cooking utensil, injects the raw water in first stock solution chamber 11, injects the washing liquid in second stock solution chamber 121, starts behind the washing mode, and the washing liquid that is located second stock solution chamber 121 passes through leakage fluid dram 13 and enters into water pump 22 and steam generator 3, carries out automatic descaling to steam generator 3, water pump 22 and pipeline etc. along with the continuous play of washing liquid, atmospheric pressure in the second stock solution chamber 121 also constantly reduces thereupon, makes atmospheric pressure in the second stock solution chamber 121 is less than atmospheric pressure in the first stock solution chamber 11, and then the liquid that is located in first stock solution chamber 11 flows in through intercommunication mouth 51 second stock solution chamber 121 and certainly stock solution port 121 13 during water pump 22 and steam generator 3 are arranged, play the effect of washing away the interior scale residue of steam generator 3, water pump 22 and pipeline to guarantee steam generator 3 and water pump 22's cleanliness, extension steam generator 3 and water pump 22's life need not the user in addition to water tank 1 secondary water injection in order to wash pipeline and steam generator 3, realized the washing operation of province step, promote user's use experience.

It should be noted that the structure of the water tank 1 is not specifically limited in the present application, and may be any one of the following embodiments:

example 1: as shown in fig. 3, 4, 5, and 6, in this embodiment, a check valve 4 is provided at the communication port 51, and the check valve 4 has a closed state in which the communication port 51 is closed when the air pressure is balanced between the second reservoir chamber 121 and the first reservoir chamber 11, and an open state in which the communication port 51 is opened when the air pressure in the second reservoir chamber 121 is smaller than the air pressure in the first reservoir chamber 11.

Through set up check valve 4 in intercommunication mouth 51 department, just check valve 4 has and is in second stock solution chamber 121 with seal during atmospheric pressure is balanced between the first stock solution chamber 11 the closed condition of intercommunication mouth 51 for when atmospheric pressure is balanced between second stock solution chamber 121 and the first stock solution chamber 11, intercommunication mouth 51 is in sealing, realizes the separation of fluid between second stock solution chamber 121 and the first stock solution chamber 11, avoids the washing liquid to enter into the condition that leads to liquid pollution in the first stock solution chamber 11 in the second stock solution chamber 121 through intercommunication mouth 51, avoids simultaneously in the first stock solution chamber 11 liquid to enter into second stock solution chamber 121 through intercommunication mouth 51, leads to the washing liquid to be diluted and can't carry out the condition of next scale removal operation. And when the air pressure in the second liquid storage cavity 121 is smaller than the air pressure in the first liquid storage cavity 11, the opening state of the communication port 51 is opened, so that when the air pressure in the second liquid storage cavity 121 is smaller than the air pressure in the first liquid storage cavity 11, the communication port 51 is opened, the circulation of fluid between the second liquid storage cavity 121 and the first liquid storage cavity 11 is realized, and the smooth process of flushing scale residues after descaling is ensured.

It should be noted that, in the present application, the opening and closing manner of the check valve 4 in this embodiment is not specifically limited, and the check valve 4 may include a valve body and a valve element disposed on the valve body, where the valve element is capable of magnetically matching with the electromagnet, and the body 2 is provided with the electromagnet.

Through set up the electro-magnet in organism 2, just check valve 4 include the valve body with set up in the case of valve body, the case can with electro-magnet magnetic force fit for the user can be through the circular telegram of electro-magnet or cut off the power supply in order to change the suction to the case, thereby realizes check valve 4's break-make, promotes check valve 4 job stabilization nature, guarantees going on smoothly of cleaning process. And the mode that the magnetic force cooperates and drives the valve core to move is taken as the non-contact type transmission mode, has simplified the structural design of water tank 1 and corresponding power transmission, can realize the drive of valve core through the transmission of non-contact, has laid a foundation for dismantling of water tank 1.

As a preferable mode in this embodiment, as shown in fig. 3, 4, 5, and 6, the check valve 4 is configured to operate by a pressure difference between the second reservoir chamber 121 and the first reservoir chamber 11 to switch from the closed state to the open state.

The check valve 4 is configured to act under the action of the pressure difference between the second liquid storage cavity 121 and the first liquid storage cavity 11 so as to be switched from the closed state to the open state, so that when the cooking utensil carries out a cleaning program, along with the continuous consumption of the cleaning liquid in the second liquid storage cavity 121, a slightly negative pressure environment is formed inside the second liquid storage cavity 121, and the first liquid storage cavity 11 is communicated with the outside at the moment, so that the inside of the first liquid storage cavity 11 is at the atmospheric pressure, under the action of the pressure difference, the check valve 4 is pushed open by raw water, and is switched from the closed state to the open state, the raw water in the first liquid storage cavity 11 flows into the second liquid storage cavity 121 through the check valve 4, so that the cleaning liquid is fully diluted, and the functions of flushing a pipeline and water scale residues in the steam generator 3 are achieved, and the connection and disconnection of the communication port 51 are avoided by arranging other driving components, the structure of the whole machine is simplified, and the production cost is reduced.

It should be further noted that, the application does not specifically limit how the check valve 4 in this embodiment operates under the action of the pressure difference, and it may be any one of the following embodiments:

embodiment 1: in this embodiment, the check valve 4 includes a sealing portion which is in sealing engagement with the communication port 51, and the sealing portion is hinged to the communication port 51, and the sealing portion has a sealing lip which is in sealing engagement with an inner wall of the communication port 51, and in a closed state, the sealing portion is in sealing engagement with the communication port 51 through the sealing lip, and after a pressure difference is generated between the second reservoir chamber 121 and the first reservoir chamber 11, raw water is pressed toward the sealing portion by the pressure difference, and the sealing portion is turned over to open the communication port 51.

Embodiment 2: as shown in fig. 3 and 4, in this embodiment, the check valve 4 includes a sealing portion 41 made of an elastic material, the sealing portion 41 is provided with a water passing gap 411, and the water passing gap 411 is switched from the closed state to the open state by a pressure difference between the second reservoir chamber 121 and the first reservoir chamber 11, and is switched from the open state to the closed state by an elastic force of the sealing portion 41 itself. Specifically, sealing 41 is the structural style of similar V type, water clearance 411 sets up in the bottom of the sealing 41 of V type (towards the one side of second stock solution chamber 121), and its upper portion (towards the one side of first stock solution chamber 11) opening, and so structural design makes under the elastic action of self and under the atmospheric pressure in the second stock solution chamber 121 each part of bottom of sealing 41 is closed towards the trend of drawing close each other water clearance 411, and works as when pressure differential appears between first stock solution chamber 11 and the second stock solution chamber 121, water clearance 411 can be opened under the pressure effect of first stock solution chamber 11.

Through inciting somebody to action check valve 4 sets up to include the sealing 41 of being made by elastic material, just sealing 41 is equipped with water clearance 411, it is in to cross water clearance 411 second stock solution chamber 121 with under the pressure differential effect of first stock solution chamber 11 by the closure state switches into the open mode, and by under the elastic action of sealing 41 self the open mode switches into the closure state, does not exist when pressure differential promptly, crosses water clearance 411 and is in the closure state, owing to be elastic material and make, therefore sealed effect is better, avoids the raw water to enter into second stock solution chamber 121 through check valve 4 in, sealing 41 simultaneously under self elastic action alright by the open mode switches into the closure state, simple structure has reduced manufacturing cost.

Further, as shown in fig. 3 and 4, the cooking appliance is further provided with a cover plate 5 for opening or closing the second liquid storage cavity 121, so that a user can add cleaning liquid into the second liquid storage cavity 121 by opening the cover plate 5, which is more convenient and faster. And the cover plate 5 is in sealing fit with the second liquid storage cavity 121, so that the sealing performance of the second liquid storage cavity 121 and the cover plate 5 is improved, and raw water can only enter the second liquid storage cavity 121 through the one-way valve 4. It should be noted that, in the present application, a sealing manner between the cover plate 5 and the second reservoir 121 is not specifically limited, and as shown in the figure, the sealing member 7 that is mutually matched may be installed at the lower portion of the cover plate 5 and/or the opening of the second reservoir 121, or the sealing portion 41 that extends downward to be capable of extending into the second reservoir 121 may be provided at the lower portion of the cover plate 5, so as to achieve the sealing and matching between the cover plate 5 and the second reservoir 121.

Simultaneously the intercommunication mouth 51 set up in apron 5, just the check valve 4 still include with the location portion 42 that the sealing 41 links to each other, apron 5 be equipped with the mounting hole 52 of location portion 42 adaptation has guaranteed the stability that sealing 41 and intercommunication mouth 51 cooperation are connected, avoids the sealing 41 to fall into the condition in the second stock solution chamber 121 under raw water pressure.

Meanwhile, the application does not specifically limit the forming manner of the second reservoir 121 in this embodiment, and the second reservoir may be any one of the following embodiments:

embodiment 1: in this embodiment, as shown in fig. 3 and 4, a rib 12 integrally and fixedly connected to the water tank 1 and cooperating with the bottom wall and/or the side wall of the water tank 1 to enclose the second reservoir chamber 121 is provided in the water tank 1, and as shown in fig. 3, the rib 12 preferably cooperates with the bottom wall of the water tank 1.

Through set up in water tank 1 with 1 an organic whole of water tank link firmly and with 1 diapire cooperation of water tank is in order enclosing the protruding muscle 12 of second stock solution chamber 121 has saved the part of establishing second stock solution chamber 121 in addition, and the structure is simpler and the assembly of being convenient for, and protruding muscle 12 links firmly with 1 an organic whole of water tank simultaneously, has improved the leakproofness of water tank 1 with protruding muscle 12, avoids the raw water to enter into the circumstances in the second stock solution chamber 121 through the gap between water tank 1 and protruding muscle 12.

Embodiment 2: as shown in fig. 5 and 6, in this embodiment, the cooking appliance further includes a cleaning box 9 having the second reservoir 121, the cleaning box 9 is removably disposed in the water tank 1, and the cleaning box 9 has a fluid outlet 92 capable of communicating with the liquid discharge port 13.

Through will the cooking device sets up to still including having the washing box 9 of second stock solution chamber 121, just the washing box 9 can be put and put place in the water tank 1 for the user can take out the washing box 9 and pour into the washing liquid into when needing to add the washing liquid in second stock solution chamber 121, and the operation is convenient and fast more, has promoted user's use and has experienced, still can take out the washing box 9 simultaneously and carry out the omnidirectional washing, guarantees the cleanliness of second stock solution chamber 121. And when the cooking device carries out normal culinary art procedure, can take out washing box 9 and pour into liquid into water tank 1, can enlarge effectual raw water injection volume to a certain extent, provide more raw water supply for steam generator 3.

Further, the present application does not specifically limit the structure of the cleaning cartridge 9 in this embodiment, and may be any one of the following embodiments:

example 1: in this embodiment, the cleaning box 9 can be used as a disposable consumable, the cleaning box 9 is provided with a cleaning liquid, the fluid outlet 92 is provided with a sealing film for sealing the fluid outlet 92, and when a user places the cleaning box 9 in place, the sealing film is pushed open to communicate the liquid outlet 13 with the fluid outlet 92.

Example 2: as shown in fig. 5 and 6, in this embodiment, the cleaning box 9 is provided with a first blocking piece 8 for opening or closing the fluid outlet 92, an installation position for installing the cleaning box 9 is arranged in the water tank 1, a top opening piece 14 for triggering the first blocking piece 8 to act to open the fluid outlet 92 is arranged at the installation position, when the cleaning box 9 is placed at the installation position, the cleaning box 9 is in sealing fit with the water tank 1 to form a water passing cavity 91, and the liquid discharge port 13 is communicated with the water passing cavity 91.

Through setting up at washing box 9 and being used for opening or sealing the first shutoff piece 8 of fluid outlet 92 for the user when pouring into the washing liquid into second stock solution chamber 121, the washing liquid can not flow out from fluid outlet 92, has guaranteed the stability of washing liquid in second stock solution chamber 121. Simultaneously be equipped with in the water tank 1 and be used for the installation wash the installation position of box 9, just installation position department is equipped with and is used for triggering first shutoff piece 8 moves in order to open fluid outlet 92's top-open piece 14, wash box 9 and arrange in during the installation position, wash box 9 with water tank 1 sealed cooperation is in order to form water cavity 91, leakage fluid dram 13 with water cavity 91 intercommunication is crossed for wash box 9 and after placing in place, top-open piece 14 is opened first shutoff piece 8 top in order to open fluid outlet 92, makes liquid pass through water cavity 91 and discharge outlet 13 and discharges, and the operation is convenient and fast more, has promoted user's use and has experienced.

As another example of the structure of the water tank 1, example 2: as shown in fig. 7 and 8, in this embodiment, a partition 17 is provided in the water tank 1 to divide the internal space of the water tank 1 into the second reservoir chamber 121 and the first reservoir chamber 11, the communication port 51 is provided in the partition 17, the cooking appliance further includes a water tank cover 16 for opening or closing the top opening 15 of the water tank 1, and the water tank cover 16 is in sealing fit with the second reservoir chamber 121;

a drainage tube 18 for communicating the first liquid storage cavity 11 with the second liquid storage cavity 121 is arranged in the first liquid storage cavity 11, one end of the drainage tube 18 is fixed at the communication port 51 and is in sealing fit with the communication port 51, and the other end of the drainage tube 18 extends into the lower part of the first liquid storage cavity 11.

By arranging the partition 17 in the water tank 1 to divide the inner space of the water tank 1 into the second liquid storage chamber 121 and the first liquid storage chamber 11, and the cooking utensil further comprises the water tank cover 16 for opening or closing the top opening 15 of the water tank 1, the water tank cover 16 is in sealing fit with the second liquid storage chamber 121, and the drainage tube 18 for communicating the first liquid storage chamber 11 with the second liquid storage chamber 121 is arranged in the first liquid storage chamber 11, so that when the cooking utensil is in a cleaning mode, as the liquid in the second liquid storage chamber 121 is gradually pumped into the pipeline and the steam generator 3 outside the water tank 1 by the water pump 22, and the like, because the water tank cover 16 is in sealing fit with the second liquid storage chamber 121, outside air cannot enter the second liquid storage chamber 121, the pressure in the second liquid storage chamber 121 can be gradually reduced, and the first liquid storage chamber 11 at this time is communicated with the outside, therefore, the first liquid storage cavity 11 is filled with atmospheric pressure, under the action of pressure difference, liquid in the first liquid storage cavity 11 flows into the second liquid storage cavity 121 through the drainage tube 18, dilution of cleaning liquid is realized, and the effects of flushing the pipeline and scale residues in the steam generator 3 are achieved, so that the whole structure is simple, the cost is low, and the assembly is convenient. And one end of the drainage tube 18 is fixed at the communication port 51 and is in sealing fit with the communication port 51, so that the sealing property of the second liquid storage cavity 121 is further improved, and the condition that air enters the second liquid storage cavity 121 through a gap between the communication port 51 and the drainage tube 18 is avoided.

It should be noted that, the sealing manner between the water tank cover 16 and the second reservoir 121 is not specifically limited in the present application, and as a preferred embodiment of the present application, as shown in fig. 7, the water tank cover 16 includes a cover body and a sealing rib 161 fixedly connected to the cover body and extending downward to be capable of extending into the second reservoir 121.

By arranging the water tank cover 16 to include a tank cover body and a sealing rib 161 fixedly connected with the tank cover body integrally and extending downward so as to be capable of extending into the second liquid storage cavity 121: on one hand, when a user installs the water tank cover 16 on the water tank 1, the corresponding installation can be realized by observing the sealing rib 161 of the water tank cover 16, so that the effect of clearly indicating the placement position of the water tank cover 16 of the user is achieved, and the phenomenon that the second liquid storage cavity 121 is not sealed due to the reverse placement of the water tank cover 16 is avoided; on the other hand, the sealing rib 161 is fixedly connected with the tank cover body integrally and extends downwards, the stability of connection and matching of the sealing rib 161 and the water tank cover 16 body is improved, the situation that the sealing rib 161 and the water tank cover 16 body are subjected to relative displacement to cause the sealing property of the sealing rib 161 to be reduced is avoided, the contact area of the sealing rib 161 and the second liquid storage cavity 121 is improved due to the downward extension of the sealing rib 161, the sealing fit of the sealing rib 161 and the second liquid storage cavity 121 is improved, and the sealing property of the sealing rib 161 is improved.

Further, the partition plate 17 is integrally formed with the water tank 1, one end of the drainage tube 18 is detachably fixed to the communication port 51, a protruding positioning block 171 is disposed on one side of the partition plate 17 facing the first liquid storage chamber 11, and the drainage tube 18 is mounted on the positioning block 171. Through with water tank 1 with baffle 17 sets up to integrated into one piece's structure for the leakproofness of water tank 1 and baffle 17 obtains guaranteeing, need not to set up extra sealing member, has reduced the sealed cost between second stock solution chamber 121 and the first stock solution chamber 11, has saved the assembly step of assembling baffle 17 and water tank 1 together simultaneously, has promoted assembly efficiency. And one end of the drainage tube 18 is detachably fixed to the communication port 51, so that the drainage tube 18 is detachably connected, the drainage tube 18 is convenient to clean and replace after being used, meanwhile, the cleaning dead angle generated between the drainage tube 18 and the tank body is reduced, the water tank 1 is convenient to clean, and the use experience of a user is improved.

Meanwhile, a protruding positioning block 171 is arranged on one side, facing the first liquid storage cavity 11, of the partition plate 17, the drainage tube 18 is installed on the positioning block 171, the connection and matching between the drainage tube 18 and the partition plate 17 are further improved, the stable installation of the drainage tube 18 is guaranteed, the displacement caused by unstable assembly of the drainage tube 18 is avoided, the liquid in the first liquid storage cavity 11 in the cleaning mode cannot flow into the second liquid storage cavity 121 through the drainage tube 18 to wash out parts such as pipelines, and meanwhile, the phenomenon that the liquid in the first liquid storage cavity 11 cannot be supplied to the second liquid storage cavity 121 in the normal cooking mode to cause dry burning of the steam generator 3 is avoided. Of course, the positioning block 171 is not limited to be disposed on the partition 17, and the positioning block 171 may be disposed on the water tank 1 to position the drainage tube 18.

As a preferred embodiment of this application, as shown in fig. 1, fig. 2, fig. 3, steam cooking utensil includes organism 2, organism 2 is provided with the water tank and places position 21, water tank 1 can be got and put and place in water tank place position 21, leakage fluid dram 13 is provided with and is used for opening or seals second shutoff piece 6 of leakage fluid dram 13, water tank place position 21 is equipped with the trigger piece, water tank 1 is placed when position 21 is placed to the water tank, the trigger piece triggers second shutoff piece 6 is opened leakage fluid dram 13.

Through organism 2 is provided with the water tank and places position 21, just water tank 1 can be put and place in place the water tank is placed position 21 for water tank 1 can be put for organism 2 can be put, makes the user wash water tank 1 or can take off water tank 1 when adding water when needing and carry out corresponding operation, makes things convenient for the washing of water tank 1 and adds water. Meanwhile, the liquid discharge port 13 is provided with a second blocking piece 6 for opening or closing the liquid discharge port 13, the water tank placing position 21 is provided with a trigger piece, and when the water tank 1 is placed at the water tank placing position 21, the trigger piece triggers the second blocking piece 6 to open the liquid discharge port 13, so that when the water tank 1 is not placed at the water tank placing position 21, the liquid discharge port 13 is closed by the second blocking piece 6, and liquid in the water tank 1 is prevented from flowing to the outside. Meanwhile, when the water tank 1 is placed at the water tank placing position 21, the trigger part triggers the second plugging part 6 to open the liquid discharge port 13, so that the liquid discharge port 13 is opened, the operation is more convenient and faster, and the use experience of a user is improved.

It should be further noted that fig. 1 shows a structural shape of a steam cooking appliance in an embodiment of the present application, but the structural shape of the steam cooking appliance in the present application cannot be limited to the steam cooking appliance in the present application, the structural shape of the steam cooking appliance in the present application may also be a machine body with a U-shaped frame, the machine body is provided with a pot taking and placing space, the water tank 1 is disposed in the machine body, the steam generator 3 is disposed in the machine body, the machine body is provided with a machine head, the machine head is provided with a steam discharging port, the machine body is movable to be in butt joint with a pot located in the pot taking and placing space so as to achieve steam delivery, and the steam cooking appliance in the configuration can also use the water tank 1 in the present application, and the water tank 1 is applied to achieve a descaling operation without secondary water injection.

In addition, the water tank 1 structure that steam cooking utensil used in this application provides the meaning of reference for the scale removal scheme of other equipment that has water tank 1 and use raw water work simultaneously.

Where not mentioned in this application, can be accomplished using or referencing existing technology.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A steam cooking appliance with a descaling function comprises a steam generator and a liquid supply unit for supplying liquid to the steam generator, wherein the liquid supply unit comprises a water pump and a water tank which can be communicated with the water pump,

the water tank is equipped with first stock solution chamber, second stock solution chamber, intercommunication the second stock solution chamber with the leakage fluid dram of water pump and intercommunication first stock solution chamber with the intercommunication mouth in second stock solution chamber, intercommunication mouth department is equipped with the check valve, the check valve has the second stock solution chamber with seal when atmospheric pressure is balanced between the first stock solution chamber the closed condition of intercommunication mouth, and atmospheric pressure in the second stock solution intracavity is less than open during the atmospheric pressure in the first stock solution intracavity the open condition of intercommunication mouth.

2. The steam cooking appliance with a descaling function according to claim 1,

the check valve is configured to act under a pressure differential between the second reservoir chamber and the first reservoir chamber to switch from the closed state to the open state.

3. The steam cooking appliance with a descaling function according to claim 2,

the check valve comprises a sealing part made of elastic materials, a water passing gap is arranged on the sealing part, the water passing gap is switched from a closed state to an open state under the action of pressure difference between the second liquid storage cavity and the first liquid storage cavity, and is switched from the open state to the closed state under the action of elasticity of the sealing part.

4. A steam cooking appliance with a descaling function according to claim 3,

the cooking utensil still includes and is used for opening or closing the apron in second stock solution chamber, the apron with the sealed cooperation in second stock solution chamber, the intercommunication mouth set up in the apron, the check valve still include with location portion that the sealing links to each other, the apron be equipped with the mounting hole of location portion adaptation.

5. A steam cooking appliance with a descaling function according to any one of claims 2 to 4,

and a convex rib which is fixedly connected with the water tank integrally and matched with the bottom wall and/or the side wall of the water tank to form the second liquid storage cavity is arranged in the water tank.

6. A steam cooking appliance with a descaling function according to any one of claims 2 to 4,

the cooking utensil also comprises a cleaning box with the second liquid storage cavity, the cleaning box is arranged in the water tank in a removable mode, and the cleaning box is provided with a fluid outlet which can be communicated with the liquid outlet.

7. The steam cooking appliance with a descaling function according to claim 6,

the cleaning box is provided with a first plugging piece for opening or closing the fluid outlet, an installation position for installing the cleaning box is arranged in the water tank, a top opening piece for triggering the first plugging piece to move so as to open the fluid outlet is arranged at the installation position, the cleaning box is arranged in the installation position and is in sealing fit with the water tank so as to form a water passing cavity, and the liquid outlet is communicated with the water passing cavity.

8. A steam cooking appliance with a descaling function according to claim 3,

the sealing part is provided with a sealing lip edge which is in sealing fit with the inner wall of the communication opening, and the sealing part is in sealing fit with the communication opening through the sealing lip edge in a closed state.

9. The steam cooking appliance with a descaling function according to claim 1,

the cooking utensil further comprises a water tank cover used for opening or closing the top opening of the water tank, and the water tank cover is in sealing fit with the second liquid storage cavity;

the first liquid storage cavity is internally provided with a drainage tube which is used for communicating the first liquid storage cavity with the second liquid storage cavity, one end of the drainage tube is fixed at the communication port and is in sealing fit with the communication port, and the other end of the drainage tube extends into the lower part of the first liquid storage cavity.

10. A steam cooking appliance with a descaling function according to claims 1 to 4 and any one of claims 8 and 9,

the steam cooking appliance comprises an appliance body, wherein the appliance body is provided with a water tank placing position, the water tank is placed in the water tank placing position in a manner of being capable of being taken and placed, the liquid outlet is provided with a second plugging piece used for opening or closing the liquid outlet, the water tank placing position is provided with a triggering piece, and when the water tank is placed in the water tank placing position, the triggering piece triggers the second plugging piece to open the liquid outlet.

Images