CN215502456U - A water tank structure and cooking equipment for cooking equipment - Google Patents

Abstract

The utility model relates to a water tank structure for cooking equipment and the cooking equipment, wherein the water tank structure for the cooking equipment comprises a water tank, a water storage cavity and a containing cavity are communicated with each other, and the water storage cavity is positioned at the upstream of the containing cavity along a fluid flow path; the heating element is arranged in the water tank or outside the water tank and is used for heating the water in the cavity into steam; the water flow channel is positioned between the water storage cavity and the accommodating cavity and is provided with a water inlet communicated with the water storage cavity; the water flow channel is characterized by also comprising a water outlet which is arranged on the side wall of the water flow channel and communicated with the cavity; and the piston is positioned in the water flow channel and can move back and forth along the water flow channel so as to increase or reduce the shielding of the water outlet. The size of the water outlet is adjusted through the up-and-down movement of the piston, so that the water inflow entering the containing cavity is adjusted, and then the steam amount entering the cooking cavity can be indirectly adjusted.

Description

A water tank structure and cooking equipment for cooking equipment

Technical Field

The utility model belongs to the field of cooking equipment, and particularly relates to a water tank structure for cooking equipment and the cooking equipment.

Background

At present, cooking equipment such as a steam box, an oven with a humidifying function, a steaming and baking all-in-one machine, a steaming and micro-baking all-in-one machine, a micro-steaming and baking all-in-one machine and the like have the function of heating food by using steam.

Like chinese utility model patent "a steam ager dress that can discharge steam fast", its patent number is ZL202020380622.2 (the publication number of granting is CN212368789U) discloses a steam ager device that can discharge steam fast, including the steam generator that is used for producing steam, be used for heating the steam ager inner bag of food and be used for the first water tank for supplying water for steam generator, its characterized in that: the steam box device also comprises a water spray nozzle which is used for spraying cold water into the steam box inner container and is arranged on the steam box inner container; the second water tank is used for storing cold water and comprises a first water outlet pipe and a water inlet pipe, and the first water outlet pipe of the second water tank is connected with the water spray nozzle through a first water pump; the water collecting hole is used for discharging the condensed water out of the inner container of the steam box and is arranged at the bottom of the inner container of the steam box.

The water tank in the patent is arranged at the top of the inner container, the steam generator is arranged at the rear side of the inner container, the water tank is required to directly pump water into the steam generator at the rear side of the inner container, and steam is generated after enough water is heated, so that the steam generation or humidification duration of the water in the water tank is greatly shortened; in addition, the steam generator is arranged at the rear side of the liner, a user cannot observe the steam generator when using the steam generator, and after the steam generator hidden at the rear side of the liner works for a period of time, a lot of scale can appear inside the steam generator, so that the heat efficiency of the steam generator is directly influenced, the steam function is weaker and weaker, and the use of the user is influenced; and scale in the steam generator is difficult to remove. In addition, at present, water in the separate containing cavity inside the water tank is heated into steam and then conveyed into the cooking cavity, so that the utilization rate of the water in the water tank is improved, but the required heating water amount cannot be adjusted according to actual conditions.

Therefore, further improvement of the structure of the water tank of the existing cooking apparatus is required.

SUMMERY OF THE UTILITY MODEL

A first technical problem to be solved by the present invention is to provide a water tank structure for a cooking apparatus, which adjusts the amount of water to be heated, in view of the above-mentioned current state of the art.

The utility model aims to solve the second technical problem of providing a cooking device for adjusting the steam outlet quantity.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a water tank structure for cooking equipment comprises

The water tank is internally provided with a water storage cavity and a cavity which are communicated, and the water storage cavity is positioned at the upstream of the cavity along a fluid flow path;

the heating element is arranged in the water tank or outside the water tank and is used for heating the water in the cavity into steam;

the water flow channel is positioned between the water storage cavity and the accommodating cavity and is provided with a water inlet communicated with the water storage cavity;

it is characterized by also comprising

The water outlet is formed in the side wall of the water flow channel and communicated with the accommodating cavity;

and the piston is positioned in the water flow channel and can move back and forth along the water flow channel so as to increase or reduce the shielding of the water outlet.

The water flow channel can be formed in various forms, such as a ring wall form, or a form in which an opening is formed in the bottom wall of the water storage tank, the periphery of the opening extends towards the inside of the accommodating cavity, but preferably, a ring wall extending towards the inside of the accommodating cavity is arranged on the wall plate of the water storage tank, the ring wall is the water flow channel, and the water inlet is formed in the position, corresponding to the ring wall, of the wall plate of the water storage cavity.

The accommodating cavity can be completely positioned below the water storage cavity, namely the upper side is completely the water storage cavity, the lower side is completely the accommodating cavity, and the accommodating cavity can also be partially positioned below the water storage cavity.

The piston can be manually pushed or actively driven, but preferably, the piston further comprises a pushing mechanism for driving the piston to move back and forth along the extending direction of the annular wall, and a power output end of the pushing mechanism is connected with the piston.

In order to realize the opening and closing of the water inlet of the water flow channel, a plugging piece for opening or closing the water inlet is arranged at the water inlet of the water flow channel. So, under the water inlet is in open mode, can increase or reduce the inflow that gets into the appearance intracavity through the area of covering of adjustment delivery port.

Preferably, the blocking piece is a blocking plug, the blocking plug is connected with the piston through a connecting rod, the connecting rod extends along the flowing direction of fluid in the water inlet, and the blocking plug moves back and forth along the length direction of the connecting rod under the driving of the pushing mechanism so as to open or close the water inlet.

One of the arrangement modes of the water outlets is as follows: the water outlets are arranged in groups, at least two groups of water outlets are arranged at intervals along the moving direction of the piston, and at least two groups of water outlets are arranged at intervals along the circumferential direction of the annular wall.

One of the adopted forms of the pushing mechanism is as follows: the wax motor also comprises an elastic piece which acts on the piston and always enables the piston to have a downward movement tendency, and the pushing mechanism is a wax motor.

The second arrangement mode of the water outlet: the water outlets are multiple, and the water outlets are integrally arranged in a spiral mode along the extending direction of the annular wall.

The pushing mechanism adopts the second form: the pushing mechanism comprises

A motor arranged to be fixed relative to the water tank and having an output shaft substantially perpendicular to the link;

the fan-shaped gear is arranged on an output shaft of the motor, and a part of the outer peripheral wall of the fan-shaped gear is provided with a plurality of convex teeth which are arranged at intervals along the circumferential direction; and

the connecting ring is basically oblate and vertically arranged, the upper end of the connecting ring is arranged on the connecting rod, the connecting ring comprises two vertical plate parts extending along the vertical direction, and inner tooth parts meshed with the convex teeth of the sector gear are arranged on the inner walls of the two vertical plate parts, so that the connecting ring is driven to move up and down in the rotating process of the sector gear.

In order to reduce scale in the cavity, a soft adsorption part for adsorbing scale is arranged in the cavity, and the soft adsorption part is provided with a plurality of small capillary holes.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: a cooking equipment with foretell water tank structure which characterized in that: the water tank structure is arranged on the outer side of the inner container, the inner container is provided with a cooking chamber with an opening in the front side, and the accommodating cavity is provided with an air outlet communicated with the cooking chamber.

Compared with the prior art, the utility model has the advantages that: the water tank for the cooking equipment is provided with a water storage cavity and a containing cavity, the water storage cavity is communicated with the containing cavity through a water flow channel, a water outlet is formed in the side wall of the water flow channel, the size of the water outlet is adjusted through the up-and-down movement of a piston, so that the water inflow entering the containing cavity is adjusted, and then the steam amount entering the cooking cavity can be indirectly adjusted; if not needing too much steam in the cooking chamber, the water outlet can be gradually closed and gradually closed, namely the amount of heated water is reduced, and the amount of steam entering the cooking chamber is indirectly reduced; when more steam is needed in the cooking cavity, the water outlet can be gradually opened and the water quantity in the containing cavity is continuously increased, namely, the water quantity needing to be heated is increased, then, the steam quantity in the cooking cavity is indirectly increased, namely, the steam quantity can be indirectly adjusted according to the cooking requirement of the cooking cavity, and therefore, a relatively good cooking effect is achieved.

Drawings

Fig. 1 is a schematic partial structure diagram of a cooking apparatus according to a first embodiment;

fig. 2 is a schematic structural diagram of a cooking apparatus according to a first embodiment;

FIG. 3 is a cross-sectional view of the water tank of FIG. 1;

FIG. 4 is a schematic structural diagram of the base in FIG. 1;

FIG. 5 is a schematic view showing an assembly structure of the valve sheet and the driving mechanism;

FIG. 6 is a schematic structural diagram of an electromagnetic heating disk;

FIG. 7 is a schematic view of the structure of FIG. 5 with an adjustment hole formed on the inner periphery;

FIG. 8 is a schematic view of the structure of FIG. 7 at another angle;

FIG. 9 is a schematic structural view of the inner housing;

FIG. 10 is a sectional view showing a partial structure of the water tank of FIG. 1;

FIG. 11 is a schematic perspective exploded view of the water tank;

fig. 12 is a sectional view of a water tank of the second embodiment;

fig. 13 is a partial structural schematic view of the inner box of the second embodiment;

FIG. 14 is an enlarged partial schematic view of FIG. 12;

FIG. 15 is a sectional view of the water tank of the second embodiment taken from another angle;

fig. 16 is a schematic structural diagram of the inner housing of the second embodiment.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

The first embodiment is as follows:

as shown in fig. 1 to 11, a first preferred embodiment of the present invention is shown.

The cooking equipment of the embodiment comprises an inner container 1, a water tank structure, a valve plate 3, a driving mechanism 4, an adjusting mechanism 6 and an elastic piece. The cooking equipment is one of an oven, a steam box, an integrated machine with a steaming function and a baking function, a micro integrated machine with steaming and baking functions and the like.

As shown in fig. 2, the inner container 1 has a cooking chamber 11 with an open front side. The water tank structure of this embodiment includes a water tank 2, a heating member, a plugging member, and a piston 26. The water tank 2 is disposed on the inner container 1, and the water tank 2 includes an inner container 2a and an outer container 2b disposed at the periphery of the inner container 2a, as shown in fig. 3 and 10. As shown in fig. 11, the outer case 21b includes an upper case 200 having an open bottom and a lower case 201 having an open top, and the openings of the upper case 200 and the lower case 201 are butted to form the outer case 21 b. As shown in fig. 11, the inner box 2a includes a base 02 with an open top and a cover plate 021 covering the open top of the base 02, an inner housing 04 with an open top is disposed in the inner box 2a, and the open top of the inner housing 04 can be covered by a part of the cover plate 021 when the cover plate 021 covers the open top of the base 02. As shown in fig. 3 and 10, a water storage cavity 21 is formed between the inner housing 04 and the cover 021, an inner cavity of the inner box 2a has a cavity 22 outside the water storage cavity 21, a water inlet 211 communicated with the cavity 22 is opened on a bottom wall of the water storage cavity 21, the water inlet 211 is a water inlet of a water flow channel, and the cavity 22 is located downstream of the water storage cavity 21 along a fluid flow path. Thus, the water storage chamber 21 communicates with the cavity 22 through a water flow passage.

In order to open or close the water inlet 211, as shown in fig. 10, the blocking member is used to open or close the water inlet, and the blocking member in this embodiment is a blocking plug 25 disposed in the water storage cavity 21, and the blocking plug 25 moves up and down relative to the water inlet 211 under the driving of the pushing mechanism to open or close the water inlet 211. Specifically, the bottom wall of the water storage cavity 21 is provided with a downwardly extending annular wall 212 at the periphery of the water inlet 211, the annular wall 212 is the above water flow channel, and the annular wall 212 is provided with a water outlet 2121 communicating the water inlet 211 and the cavity 22. As shown in fig. 9, the water outlets 2121 of the present embodiment are arranged in groups, and at least two groups are arranged at intervals along the up-down direction, and each group has at least two water outlets 2121 arranged at intervals along the circumferential direction of the annular wall 212.

As shown in fig. 4 and 10, the base 02 has a guide channel 023 which is vertically penetrated and is positioned at the periphery of the circumferential wall 212 at a position corresponding to the circumferential wall 212, in order to limit the downward movement of the circumferential wall 212, a step 0231 is formed inwardly on the inner circumferential wall of the guide channel 023, the lower part of the circumferential wall 212 abuts against the upper part of the step 0231, and a gap 05 for passing water is left between the guide channel 023 and the bottom wall of the inner housing 04. When the water outlet is in an open state and the water inlet 211 is in an open state, the water flows into the cavity 22 after passing through the water inlet 211, the water outlet 2121 and the gap 05 in sequence, and the flow direction of the water flow is specifically the direction indicated by the arrow in fig. 10.

As shown in fig. 10, the plug 25 is connected to the piston 26 through a connecting rod 61, the connecting rod 61 is vertically arranged, the upper end of the connecting rod 61 passes through the inner cavity of the annular wall 212 and is located in the water storage cavity 21, the plug 25 is arranged on the upper end of the connecting rod 61, and the piston 26 is arranged at the lower end of the connecting rod 61. The pushing mechanism is used to drive the piston 26 to move up and down relative to the annular wall 212 to open or close the water outlet 2121 and also to drive the plug 25 to move up and down to open or close the water inlet 211, and is connected to the piston 26 and is the wax motor 62. The power output end of the wax motor 62 is connected to the lower end of the link 61, thereby moving the link 61 upward. The elastic part is a spring 63 sleeved on the outer side of the connecting rod 61, the upper end of the spring 63 abuts against the bottom wall of the inner shell, the lower end of the spring 63 abuts against the piston 26 to be in an energy storage state, and the piston 26 always has a downward movement trend when the spring 63 is in the energy storage state.

The blocking of the water outlet 2121 is increased or reduced when the piston moves up and down back and forth, so that the water yield is adjusted. Specifically, in the process that the piston 26 continuously moves downwards, the water outlets 2121 arranged up and down are continuously opened, so that more water continuously enters the cavity 22, that is, the amount of water entering the cavity 22 is gradually increased; during the continuous upward movement of the piston 26, the water outlets 2121 arranged above and below are continuously closed, and at this time, the amount of water entering the cavity 22 is continuously reduced until no water flows into the cavity 22.

In order to add water into the water storage cavity 21 of the inner box body conveniently, the inner box body 2a can move back and forth relative to the outer box body 2b under the driving of the electric push rod 7, specifically, as shown in fig. 2, the electric push rod 7 is located behind the water tank 2, and the power output end of the electric push rod 7 penetrates through the outer box body 2b and is connected with the inner box body 2 a.

As shown in fig. 3, a heating element for heating water in the cavity 22 into steam is disposed between the water tank 2 and the inner container 1, the heating element is disposed near the cavity 22, the heating element of this embodiment is an electromagnetic heating plate 29, as shown in fig. 6, the electromagnetic heating plate 29 includes a ceramic plate 291 and two groups of excitation coils 292 disposed on the upper surface of the ceramic plate 291, and the two groups of excitation coils 292 are disposed at intervals along the front-back direction. At least part of the water tank is made of metal, and eddy current heating is carried out on metal at the bottom of the water tank through the work of an excitation coil on the electromagnetic heating plate, so that water in the accommodating cavity 22 is heated into steam. The specific working principle of the electromagnetic heating plate is the same as that of the electromagnetic heating element in the background art, and detailed description thereof will not be provided in this embodiment. So, steam is in the inside production of water tank, need not extra water pump, the cost is reduced.

In order to control the height of the heated water level in the chamber, a sensor for detecting the water level is provided in the chamber 22. In addition, as shown in fig. 3, a thermal insulation layer is arranged between the cavity 22 and the inner box body 2a, and the thermal insulation layer in this embodiment is a vacuum layer 28, so that the inner box body 2a adopts a three-layer structure, that is, the inner layer is a water storage cavity, the middle layer is a cavity, and the outer layer is a thermal insulation layer. So, even there is the higher temperature in the water tank inside, the user can not scalded when taking out the water tank.

In order to reduce the scale in the cavity, as shown in fig. 3 and 10, a soft absorption member 5 for absorbing the scale is disposed in the cavity 22, and the soft absorption member 5 has a plurality of capillary pores 51. Capillary hole 51 on soft absorption piece 5 can form capillary phenomenon to adsorb the incrustation scale in the appearance chamber 22, when the incrustation scale on soft absorption piece 5 adsorbs when more, only need take out soft absorption piece and wash can, be favorable to the used repeatedly of soft absorption piece. In addition, as shown in fig. 3, the inner bottom wall of the cavity 22 has a plurality of protrusions 225, and the plurality of protrusions 225 make the entire bottom surface of the cavity curved, so that the heating area is increased, steam can be rapidly generated, and scale is not easily formed.

In order to realize the communication between the cavity and the cooking cavity, as shown in fig. 3 and 4, a vent 220 is opened on the sidewall of the cavity 22, a gas passage 222 is formed by extending the peripheral edge of the vent 220 backward, as shown in fig. 3 and 10, the upper box 200 of the outer box 2b has a connection channel 27 located at the periphery of the gas passage 222, as shown in fig. 3 and 10, along the fluid flow path, the connection channel 27 includes a straight tube section 271 with a constant cross-sectional area and an expansion section 272 with a gradually increasing cross-sectional area, the gas passage 222 is located in the straight tube section 271, and a sealing ring is arranged between the outer peripheral wall of the gas passage 222 and the inner peripheral wall of the straight tube section 271. The design of the expanding section 272 allows more steam to flow into the expanding section 272. The opening at the end of the expanding section 272 is provided with a mounting plate 223, and the mounting plate 223 is provided with an air outlet 221, so that the air outlet 221 is used for communicating the accommodating cavity 22 with the cooking cavity 11. The diverging section 272 communicates with the cooking chamber 11 through a connecting pipe 224, the mounting plate 223 is located between the diverging section 272 and the connecting pipe 224, and the connecting pipe 224 has a contracting section 2241 whose cross-sectional area is gradually reduced along the fluid flow path. The existence of convergent 2241 lets steam slowly accelerate in connecting pipe 224 for steam gets into the culinary art chamber of inner bag has certain speed, and the hot steam in the culinary art chamber distributes relatively evenly like this, makes inside food be heated more evenly. The direction of flow of steam into the cooking chamber through the water tank is indicated by the hollow arrows in fig. 2.

In order to control the amount of steam entering the cooking chamber 11, as shown in fig. 3, a plurality of valve plates 3 are disposed in the inner cavity of the connection pipe 224, and the valve plates 3 are disposed at the air outlet 221 of the water tank 2 and have a substantially arc shape that is bent radially outward. The valve plate 3 moves relative to the air outlet 221 under the driving of the driving mechanism 4, so as to increase or decrease the covering area of the air outlet 221, and adjust the flow rate of the steam flowing out. Thus, when too much steam is not needed in the inner container, as shown in fig. 5, the valve plate can be gradually closed; as shown in fig. 8, if more steam is needed in the inner container, the valve plate can be gradually opened to adjust the amount of steam entering the cooking chamber 11.

The power output end of the driving mechanism 4 is in driving connection with the valve plate 3. As shown in fig. 5 and 8, the driving mechanism 4 includes a first motor 41, a linkage assembly 42, and a ring gear 43. The power input end of the linkage component 42 is connected with the first motor 41, and the power output end of the linkage component 42 is connected with the power input end of the inner gear ring 43, so that the inner gear ring 43 is driven to rotate along the circumferential direction of the air outlet 221. The annular gear 43 is in a ring shape and is located in the inner cavity of the connecting pipe 224, and the center line (rotation axis) of the annular gear 43 coincides with or is arranged side by side at intervals with the center line of the air outlet 221, and in the present embodiment, as shown in fig. 2, the rotation axis of the annular gear 43 extends in the front-rear direction.

As shown in fig. 5, the output shaft of the first motor 41 extends in the front-rear direction, and the linkage assembly 42 includes a plurality of external teeth 431 and the driving gear 421, and the external teeth 431 are arranged on a part of the outer peripheral wall of the ring gear 43 at intervals in the circumferential direction of the ring gear 43; the driving gear 421 is mounted on the output shaft of the first motor 41 and meshes with the external gear portion 431. In this way, the inner gear ring 43 is driven by the first motor 41 and is rotated in the circumferential direction of the air outlet 221 by the driving engagement of the driving gear 421 and the external teeth 431.

As shown in fig. 5 and 8, the valve plates 3 are located on the inner periphery of the inner ring gear 43, all the valve plates 3 are arranged along the circumferential direction of the inner ring gear 43 and are rotationally symmetrically distributed, the inner circumferential wall of the inner ring gear 43 is provided with a plurality of teeth arranged along the circumferential direction, each valve plate 3 is provided with a transmission gear 31 engaged with the teeth at the inner position of the inner ring gear 43, and the rotation axis of the transmission gear 31 extends along the front-back direction. The projections of two adjacent valve plates 3 on the plane where the air outlet 221 is located along the rotation axis of the corresponding transmission gear 31 are partially overlapped, and the inner side edges 32 of the valve plates 3 jointly enclose to form an adjusting hole 03. Thus, the valve plates 3 are driven by the ring gear 43 to rotate to completely cover the air outlet 221, or the valve plates 3 are driven by the ring gear 43 to rotate in opposite directions to form an adjusting hole 03 in the center and communicated with the air outlet 221, so as to open the air outlet 221.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Example two:

as shown in fig. 11 to 16, a second preferred embodiment of the present invention is shown.

This embodiment differs from the above embodiments only in that: the arrangement of the water outlets 2121 is different, and specifically, there are a plurality of water outlets 2121, and the plurality of water outlets 2121 are arranged in a spiral downward manner as a whole, as shown in fig. 13 and 16.

The pushing mechanism has different structural forms, and specifically, as shown in fig. 12 and 13, the pushing mechanism includes a second motor 631, a sector gear 632, and a connecting ring 633. Wherein, the second motor 631 is located below the water tank 2 and fixed on the inner container 1, and the second motor 631 has an output shaft substantially perpendicular to the connecting rod 61, and the output shaft of the second motor 631 of this embodiment extends along the left-right direction. A sector gear 632 is mounted on the output shaft of the second motor 631, and a part of the outer circumferential wall of the sector gear 632 has a plurality of convex teeth 6321 arranged at intervals in the circumferential direction; the connecting ring 633 is substantially oblate and is vertically arranged, the upper end of the connecting ring 633 is connected with the piston 26, the connecting ring 633 comprises two vertical plate portions 6331 extending along the up-down direction, and inner tooth portions 6332 meshed with the convex teeth 6321 of the sector gear 632 are arranged on the inner walls of the two vertical plate portions 6331 along the up-down direction, so that the connecting ring 633 is driven to move up and down in the rotating process of the sector gear 632. In order to enable the connection ring 633 to move only up and down, a slide rail 635 extending along the up and down direction is arranged on the top wall of the inner container, and the connection ring 633 is limited on the slide rail 635 in a sliding manner up and down.

The second motor 631 in this embodiment rotates only in one direction, and a forward and reverse motor is not required, thereby reducing the requirement on the motor. After the second motor 631 rotates for half a turn, the connecting ring 633 is driven to move downwards to drive the piston 26 to move downwards, so that the water outlet 2121 is continuously opened, and thus more water continuously enters the cavity 22, that is, the amount of water entering the cavity 22 is gradually increased; after the second motor 631 continuously rotates in the same rotation direction, the connection ring 633 and then the plug 26 are driven to move upwards, so that the water outlets 2121 are continuously closed, and at this time, the amount of water entering the cavity 22 is continuously reduced until no water flows into the cavity 22.

Claims (12)

1. A water tank structure for cooking equipment comprises

A water tank (2) having a water storage chamber (21) and a cavity (22) communicating with each other inside, the water storage chamber (21) being located upstream of the cavity (22) along a fluid flow path;

the heating element is arranged in the water tank (2) or outside the water tank (2) and is used for heating water in the cavity (22) into steam;

the water flow channel is positioned between the water storage cavity (21) and the accommodating cavity (22) and is provided with a water inlet (211) communicated with the water storage cavity (21);

it is characterized by also comprising

The water outlet (2121) is formed in the side wall of the water flow channel and communicated with the cavity (22);

a piston (26) located within the water flow passage and movable back and forth along the water flow passage to increase or decrease the obstruction of the water outlet (2121).

2. The water tank structure according to claim 1, wherein: the wall plate of the water storage tank (21) is provided with a circular wall (212) extending towards the inside of the accommodating cavity (22), the circular wall (212) is the water flow channel, and the water inlet (211) is formed in the position, corresponding to the circular wall (212), of the wall plate of the water storage cavity (21).

3. The cooking apparatus of claim 2, wherein: the accommodating cavity (22) is at least partially positioned below the water storage cavity (21), and the annular wall (212) and the water inlet (211) are both arranged on the bottom wall of the water storage cavity (21).

4. The water tank structure according to claim 2, wherein: the device also comprises a pushing mechanism for driving the piston (26) to move back and forth along the extension direction of the annular wall (212), and the power output end of the pushing mechanism is connected with the piston (26).

5. The water tank structure according to claim 4, wherein: the water inlet (211) of the water flow channel is provided with a plugging piece for opening or closing the water inlet (211).

6. The water tank structure according to claim 5, wherein: the blocking piece is a blocking piece (25), the blocking piece (25) is connected with the piston (26) through a connecting rod (61), the connecting rod (61) extends along the flowing direction of fluid in the water inlet (211), and the blocking piece (25) moves back and forth along the length direction of the connecting rod (61) under the driving of the pushing mechanism to open or close the water inlet (211).

7. The water tank structure according to claim 4, wherein: the water outlets (2121) are arranged in groups, at least two groups of water outlets are arranged at intervals along the moving direction of the piston (26), and at least two water outlets in each group are arranged at intervals along the circumferential direction of the annular wall (212).

8. The water tank structure according to claim 7, wherein: also included is a resilient member acting on the piston (26) and always giving the piston (26) a tendency to move downwards, the urging means being a wax motor (62).

9. The water tank structure according to claim 4, wherein: the number of the water outlets (2121) is multiple, and the water outlets (2121) are arranged in a spiral manner along the extending direction of the annular wall (212).

10. The water tank structure according to claim 9, wherein: the pushing mechanism comprises

A motor (41) arranged stationary with respect to the tank (2) and having an output shaft substantially perpendicular to the connecting rod (61);

a sector gear (632) which is mounted on the output shaft of the motor (41), and a part of the outer peripheral wall of the sector gear (632) is provided with a plurality of convex teeth (6321) which are arranged at intervals along the circumferential direction; and

go up ring (633), it is oblate basically, vertical setting, its upper end sets up on connecting rod (61), this go up ring (633) including two riser portion (6331) that extend along the upper and lower direction, two be provided with on the inner wall of riser portion (6331) with internal tooth portion (6332) that the dogtooth (6321) of sector gear (632) engaged with, thereby sector gear (632) pivoted in-process drives go up and down back and forth movement go up and down ring (633).

11. The water tank structure according to any one of claims 1 to 10, wherein: a soft adsorption piece (5) used for adsorbing scale is arranged in the containing cavity (22), and the soft adsorption piece (5) is provided with a plurality of small capillary holes (51).

12. A cooking apparatus having the water tank structure of any one of claims 1 to 11, characterized in that: including inner bag (1), the water tank structure is located the outside of inner bag (1), inner bag (1) has open culinary art cavity (11) of front side, hold chamber (22) have with gas outlet (221) that culinary art cavity (11) are linked together.

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