CN217852388U - Steaming inner container structure and steaming cooking device - Google Patents

Abstract

The utility model relates to a steam inner bag structure and steam cooking device, including the inner bag that the top has the gas vent, one side of inner bag is provided with water tank assembly and water level pipe, the water inlet of water level pipe lower extreme and the delivery port fluid intercommunication of water tank lower extreme, the water level float bar has been inserted in the water level pipe, still include fender piece, electro-magnet and be used for controlling the micro-gap switch subassembly that the electro-magnet leads to the breakpoint, the micro-gap switch subassembly includes micro-gap switch and control piece, control piece passes through drive mechanism and water level float bar linkage, under the state that the water level in the water tank is greater than its minimum water level of settlement, micro-gap switch breaks off, fender piece opens the gas vent; and when the water level in the water tank is equal to or lower than the set minimum water level, the micro switch is closed, and the blocking piece closes the exhaust port. The utility model discloses can avoid the inside temperature of inner bag to reduce fast under the water tank water shortage state, play and add the heat retaining effect of water in-process to the inner bag, guarantee to steam cooking device's culinary art efficiency and culinary art effect.

Description

Steaming inner container structure and steaming cooking device

Technical Field

The utility model relates to a cooking device field especially relates to a evaporate inner bag structure and evaporate cooking device.

Background

In a cooking device such as a steam box, water is supplied to a steam generator through a water tank, the water is heated in the steam generator to form steam, and the steam is introduced into an inner container to heat food. Meanwhile, an exhaust passage is arranged above the inner container, and the exhaust passage is provided with an exhaust fan. When the steaming cooking device is in a working state, the exhaust fan works to generate negative pressure, redundant steam in the inner container enters the exhaust channel under the suction force of the negative pressure, and is discharged under the driving of the air outlet of the exhaust fan.

In the cooking process, when the water tank is lack of water, the steam generator stops generating new steam, namely, the new steam supply of the inner container is stopped at the moment, the exhaust fan continues to work, and the existing steam in the inner container continues to be discharged outside through the exhaust channel. At this moment, the inside temperature of inner bag can descend gradually, if not add water in time, the food of treating the culinary art in the inner bag can reduce by a wide margin, and then influences culinary art efficiency and culinary art effect.

Disclosure of Invention

The utility model aims to solve the first technical problem that a steam inner bag structure is provided to prior art, should steam inner bag structure on guaranteeing to cook carminative basis normally, can avoid the steam in the inner bag to arrange outward under the state of water tank lack of water.

The second technical problem to be solved in the present invention is to provide a steaming cooking device with the above steaming inner container structure.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a steaming liner structure comprises a liner, an air outlet is arranged on the top wall of the liner, a water tank assembly is arranged on one side of the liner, the water tank assembly comprises a water tank seat and a water tank accommodated in the water tank seat, and is characterized in that a water level pipe is vertically arranged on one side of the water tank assembly, a water inlet at the lower end of the water level pipe is communicated with a water outlet at the lower end of the water tank in a fluid manner, a water level floating rod is vertically inserted in the water level pipe, the water level floating rod can float up and down along with the change of the water level in the water level pipe,

the device also comprises a stopper, an electromagnet and a microswitch component for controlling the break-over point of the electromagnet, wherein the stopper is movably arranged relative to the exhaust port and is used for controlling the opening and closing of the exhaust port, the electromagnet can generate magnetic attraction with the stopper under the electrified state to enable the stopper to move relative to the exhaust port, the microswitch component comprises a microswitch and a control piece for controlling the microswitch to be opened and closed, and the control piece is linked with the water level floating rod through a transmission mechanism,

when the water level in the water tank is higher than the set minimum water level, the micro switch is switched off, the electromagnet is in a power-off state, and the blocking piece opens the exhaust port;

and when the water level in the water tank is equal to or lower than the set minimum water level, the micro switch is closed, the electromagnet is in a power-on state, and the blocking piece closes the exhaust port.

Further, an upper mounting plate is horizontally arranged above the inner container, an air deflector is covered on the upper surface of the upper mounting plate, an exhaust channel is defined by the air deflector and the upper surface of the upper mounting plate, an air inlet which is positioned in the exhaust channel and is in fluid communication with the air outlet is formed in the upper mounting plate, the blocking piece is arranged on the upper surface of the upper mounting plate in the exhaust channel, and the blocking piece can move back and forth relative to the air inlet along the upper surface of the upper mounting plate to open and close the air inlet. Therefore, the opening and closing of the exhaust port can be indirectly realized by opening and closing the air inlet through the blocking piece, and the control is more convenient.

Furthermore, a through hole is formed in the air deflector, a connecting rod horizontally penetrates through the through hole, the connecting rod can move back and forth relative to the through hole along the length direction of the connecting rod, one end of the connecting rod is located in the air deflector and fixed with the blocking piece, the other end of the connecting rod is located outside the air deflector, a magnetic suction block is fixed to the end of the connecting rod, the electromagnet is arranged on one side of the other end of the connecting rod, and the electromagnet can perform magnetic suction with the magnetic suction block of the connecting rod in a passing state. Therefore, the stopper is driven to move relative to the air inlet through the magnetic attraction between the magnetic attraction block and the electromagnet.

Further, the connecting rod is a straight rod, the other end of the connecting rod is convexly provided with a limiting lug and is arranged on the upper surface of the upper mounting plate through a mounting bracket, a first return spring is sleeved on the connecting rod and is clamped between the limiting lug and the mounting bracket, the electromagnet is columnar and is arranged along the length direction of the connecting rod,

when the electromagnet is in a power-off state, the first return spring is in an initial state, the magnetic suction block abuts against the mounting bracket, and when the electromagnet is in a power-on state, the first return spring is compressed to enable the connecting rod to have a trend of moving towards a direction away from the air inlet. So that the stopper can smoothly move back and forth relative to the air inlet along the length direction of the connecting rod.

Further, the appearance of piece is inhaled to magnetism is discoid, and this magnetism is inhaled the piece and is set up with above-mentioned connecting rod is coaxial, and the terminal surface area of the free end of this magnetism piece is greater than rather than the terminal surface area of relative electro-magnet. Thereby a more stable magnetic attraction effect is formed between the electromagnet and the magnetic attraction block.

The microswitch assembly further comprises a switch disc horizontally fixed on the upper surface of the upper mounting plate, the microswitch and the control piece are both mounted on the switch disc, the control piece is located on one side of the microswitch and can horizontally move back and forth on the switch disc relative to the microswitch under the driving of the transmission mechanism, a trigger boss is arranged on the control piece, and the microswitch is closed in a state that the trigger boss abuts against a contact of the microswitch. On the one hand, the micro-switch assembly can be stably installed on the upper installation plate, and on the other hand, the control piece can better realize the on-off control of the micro-switch.

Furthermore, the control piece is a square frame which is horizontally arranged, the triggering boss is horizontally and convexly arranged on one side face of the square frame, a limiting plate is vertically fixed on the switch panel, the limiting plate is embedded in the control piece along the direction which is vertical to the moving direction of the control piece, a first mounting column which extends along the moving direction of the control piece is convexly arranged on one side surface of the limiting plate, a second mounting column which extends along the moving direction of the control piece and is oppositely arranged at intervals with the first mounting column is arranged in the control piece, two ends of a second return spring are respectively sleeved on the first mounting column and the second mounting column, and the second return spring is compressed to enable the control piece to have the tendency that the triggering boss is separated from the contact of the micro switch under the state that the triggering boss of the control piece is abutted against the contact of the micro switch. Therefore, the control piece can trigger the microswitch well, and when water is added, the control piece can reset automatically when the water tank enters a non-water-shortage state from a water-shortage state, so that the microswitch is turned off, the electromagnet is restored to a power-off state, the blocking piece is moved away from the air inlet, the air outlet is opened, and the inner container restores the air exhausting function.

Furthermore, the upper end of the water level floating rod is arranged in the mounting window of the upper mounting plate in a penetrating way, the transmission mechanism comprises a first transmission rack, a transmission gear and a transmission rod which are convexly arranged at the upper end of the water level floating rod, the first transmission rack is arranged along the length direction of the water level floating rod, the transmission rod is arranged along the moving direction of the control piece, a second transmission rack which is meshed with the transmission gear is convexly arranged on the transmission rod along the length direction of the transmission rod,

a transmission lug boss is horizontally and convexly arranged on the side surface of the other side of the control piece, a transmission block which is propped against the transmission lug boss is also vertically and convexly arranged on the transmission rod, the transmission lug boss is positioned on the front side of the transmission block along the moving direction of the control piece,

and under the condition that the water level in the water tank is higher than the set minimum water level, the first transmission rack is positioned above the transmission gear, and under the condition that the water level in the water tank is equal to or lower than the set minimum water level, the first transmission rack is meshed with one end of the transmission gear, and the other end of the transmission gear is meshed with the second transmission rack. When the water tank is not in water shortage, the air inlet can be stably kept in an open state, when the water tank is in water shortage, the water level floating rod descends to enable the first transmission rack to be meshed with the transmission gear, the transmission gear rotates to drive the transmission piece through the second transmission rack, then the transmission piece drives the control piece to move, the trigger boss on the control piece abuts against the contact on the micro switch, the micro switch is closed, the electromagnet is in a power-on state, and the blocking piece moves to smoothly shield the air inlet.

Furthermore, the front end of the water tank seat is provided with an opening through which the water supply tank moves forward, the lower end of the water tank seat is provided with a water through hole, the water through hole is communicated with the water inlet of the water level pipe through a water through pipe extending horizontally, and the water outlet of the water tank is in fluid communication with the water through hole when the water tank is completely accommodated in the water tank seat. The inner cavity of the water tank can be better communicated with the water level pipe by arranging the water through pipe.

Further, the device also comprises a one-way valve which is horizontally arranged, one end of the one-way valve is inserted into the water outlet of the water tank, while the other end is exposed out of the water tank,

the one-way valve closes the water outlet of the water tank when the water tank is not completely accommodated in the water tank seat, and the exposed end of the one-way valve is inserted into the water through opening and enables the water outlet of the water tank to be communicated with the water through opening when the water tank is completely accommodated in the water tank seat. The opening and closing control of the water outlet of the water tank can be realized through the one-way valve, and the one-way valve can open the water outlet of the water tank and enable water in the water tank to flow into the water level pipe when the water tank is completely accommodated in the water tank seat, so that the water in the water level pipe is effectively prevented from flowing back to the water tank.

Further, the blocking piece is a square block body, the bottom surface of the block body is a horizontally extending shielding surface which is always abutted against the upper surface of the upper mounting plate, and the shielding surface is abutted against the opening edge of the air inlet along the circumferential direction under the condition that the water level in the water tank is equal to or less than the set minimum water level. On the one hand, the blocking piece can move relative to the air inlet along the upper surface of the upper mounting plate more smoothly, and on the other hand, the blocking piece can better shield the air inlet.

The technical solution adopted to further solve the second technical problem is as follows: a steaming cooking device is characterized by having the steaming liner structure.

Compared with the prior art, the utility model has the advantages of: the water level in the water level pipe is equal to the water level in the water tank, and the water level floating rod in the water level pipe floats up and down along with the change of the water level in the water tank, namely, when the water level in the water tank rises, the water level floating rod floats up, and when the water level in the water tank falls, the water level floating rod falls down. The action of the water level floating rod is transmitted to the control piece through the transmission mechanism, the control piece is used for realizing the opening and closing control of the microswitch, the microswitch is used for controlling the on-off control of the electromagnet, and the electromagnet and the blocking piece can generate magnetic attraction under the electrified state to enable the blocking piece to move relative to the exhaust port, so that the opening and closing control of the exhaust port is realized. In a state that the water level in the water tank is higher than the minimum water level (in a state of no water shortage), the micro switch is switched off, the electromagnet is in a power-off state, the exhaust port is kept in an open state, and gases such as waste steam in the inner container can be discharged outside through the exhaust port; under the state that the water level in the water tank is equal to or less than the minimum water level (under the water shortage state), the microswitch is closed, the electromagnet is in the power-on state, the exhaust port is closed, and the residual steam in the inner container is prevented from being discharged outside in the steam stop generation process, so that the internal temperature of the inner container is prevented from being rapidly reduced, the effect of keeping the inner container warm in the water adding process is achieved, the heating step of the inner container when the steam is restarted after water is added is omitted, and the cooking efficiency and the cooking effect of the steaming cooking device are ensured.

Drawings

FIG. 1 is a schematic structural view of a steaming inner container according to an embodiment of the present invention (when a water tank is not in a water-deficient state);

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a partial structure of the steaming inner container according to the embodiment of the present invention (when the water tank is not in a water-deficient state);

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is a schematic structural view of a micro switch assembly in an embodiment of the present invention;

FIG. 6 is a schematic structural view of a water tank assembly according to an embodiment of the present invention;

FIG. 7 is an exploded view of a water tank assembly according to an embodiment of the present invention;

fig. 8 is a schematic structural view of the steaming inner container according to another state (water tank lack of water) in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered limiting, as "upper", "lower", and the like are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 8, a steaming cooking device (e.g. a steam box, a steaming oven, etc.) comprises a steaming liner structure and a steaming cooking device, wherein the steaming liner structure comprises a liner 1, an exhaust port 11 is formed on a top wall of the liner 1, a water tank assembly 4 is arranged on a right side of the liner 1, the water tank assembly 4 comprises a water tank base 42 and a water tank 41 accommodated in the water tank base 42, and an opening 420 for the water tank 41 to extend forward is formed at a front end of the water tank base 42. An upper mounting plate 2 is horizontally arranged above the inner container 1, an upper mounting gap and a lower mounting gap are reserved between the lower surface of the upper mounting plate 2 and the top surface of the inner container 1, an air deflector 3 is covered on the upper surface of the upper mounting plate 2, an exhaust channel 30 is enclosed by the air deflector 3 and the upper surface of the upper mounting plate 2, and an air inlet 21 which is positioned in the exhaust channel 30 and is in fluid communication with the exhaust port 11 is arranged on the upper mounting plate 2. In this embodiment, the air inlet 21 and the air outlet 11 are disposed opposite to each other in the vertical direction, and are communicated with each other through the ventilation pipe 12 extending in the vertical direction.

Further, a water level pipe 5 is vertically disposed at a rear side of the water tank assembly 4, a water inlet at a lower end of the water level pipe 5 is in fluid communication with a water outlet 411 at a lower end of the water tank 41, and a water level float rod 51 is vertically inserted into the water level pipe 5, and the water level float rod 51 is vertically floatable in the water level pipe 5 according to a water level change in the water level pipe 5. The water level control device further comprises a stopper 7, an electromagnet 9 and a microswitch assembly 8 for controlling the connection and disconnection points of the electromagnet 9, wherein the stopper 7 is movably arranged relative to the exhaust port 11 and is used for controlling the opening and closing of the exhaust port 11, the electromagnet 9 and the stopper 7 can generate magnetic attraction in the electrified state to enable the stopper 7 to move relative to the exhaust port 11, the microswitch assembly 8 comprises a microswitch 82 and a control piece 83 for controlling the microswitch 82 to be opened and closed, and the control piece 83 is linked with the water level floating rod 51 through a transmission mechanism 6. When the water level in the water tank 41 is higher than the set minimum water level, the micro switch 82 is turned off, the electromagnet 9 is in a power-off state, and the stopper 7 opens the air outlet 11; when the water level in the water tank 41 is equal to or lower than the set minimum water level, the microswitch 82 is closed, the electromagnet 9 is in the energized state, and the stopper 7 closes the air outlet 11.

The utility model discloses in, according to the communicating vessel principle, the water level in above-mentioned water level pipe 5 equals the water level in the water tank 41, then water level float rod 51 in the water level pipe 5 is along with the water level change in the water tank 41 and the fluctuation, when the water level in the water tank 41 rises promptly, water level float rod 51 come-up, and when the water level in the water tank 41 descends, water level float rod 51 descends. The action of the water level floating rod 51 is transmitted to the control piece 83 through the transmission mechanism 6, the control piece 83 realizes the opening and closing control of the microswitch 82, the microswitch 82 is used for controlling the on-off control of the electromagnet 9, the electromagnet 9 can generate magnetic attraction with the blocking piece 7 under the power-on state to enable the blocking piece 7 to move relative to the exhaust port 11, and further the opening and closing control of the exhaust port 11 is realized. In a state (in a state of no water shortage) where the water level in the water tank 41 is higher than the minimum water level (in this embodiment, the minimum water level of the water tank 41 is 0), the microswitch 82 is turned off, the electromagnet 9 is in a power-off state, the exhaust port 11 is kept in an open state, and gas such as waste steam in the inner container 1 can be discharged through the exhaust port 11; when the water level in the water tank 41 is equal to or lower than the minimum water level (in a water shortage state), the microswitch 82 is closed, the electromagnet 9 is in a power-on state, the exhaust port 11 is closed, and the residual steam in the inner container 1 is prevented from being discharged outside in the steam stop generation process, so that the internal temperature of the inner container 1 is prevented from being rapidly reduced, the heat preservation effect on the inner container 1 in the water adding process is realized, the heating step of the inner container 1 when the steam is restarted after water is added is omitted, and the cooking efficiency and the cooking effect of the steaming cooking device are ensured.

In this embodiment, it is preferable that a water passage opening 421 is opened at a lower end of the water tank seat 42, the water passage opening 421 communicates with a water inlet of the water level pipe 5 through a water passage pipe 422 extending horizontally forward and backward, and a water outlet 411 of the water tank 41 is in fluid communication with the water passage opening 421 in a state where the water tank 41 is completely accommodated in the water tank seat 42. The water pipe 422 is arranged to enable the inner cavity of the water tank 41 to be better communicated with the water level pipe 5.

Further, preferably, the water tank assembly 4 further includes a check valve 43 disposed horizontally in a front-rear direction, and a front end of the check valve 43 is inserted into the water outlet 411 of the water tank 41 and a rear end thereof is exposed to the water tank 41. The check valve 43 closes the water outlet 411 of the water tank 41 in a state where the water tank 41 is not completely accommodated in the water tank seat 42, and an exposed end of the check valve 43 is inserted into the water passage opening 421 in a state where the water tank 41 is completely accommodated in the water tank seat 42 and communicates the water outlet 411 of the water tank 41 with the water passage opening 421. The opening and closing of the water outlet 411 of the water tank 41 can be controlled by the check valve 43, and when the water tank 41 is completely accommodated in the water tank seat 42, the check valve 43 opens the water outlet 411 of the water tank 41 and enables water in the water tank 41 to flow into the water level pipe 5, so that the water in the water level pipe 5 is effectively prevented from flowing back to the water tank 41. Preferably, the cross section of the water level float rod 51 has a circular shape matching the size of the inner cavity of the water level pipe 5, and a circumferential gap is formed between the outer circumferential surface of the water level float rod 51 and the inner circumferential surface of the water level pipe 5, so that it is possible to prevent the water film from being formed between the outer circumferential surface of the water level float rod 51 and the inner circumferential surface of the water level pipe 5 to affect the up-and-down movement of the water level float rod 51.

Further, the stopper 7 is provided on the upper surface of the upper mounting plate 2 in the exhaust duct 30, and the stopper 7 can move back and forth to the left and right with respect to the intake port 21 along the upper surface of the upper mounting plate 2 to open and close the intake port 21. Therefore, the opening and closing of the exhaust port 11 can be indirectly realized by opening and closing the air inlet 21 by the baffle 7, and the control is more convenient. Preferably, in this embodiment, the stopper 7 is a square block, the bottom surface of the block is a horizontally extending shielding surface 7a, the shielding surface 7a is always in contact with the upper surface of the upper mounting plate 2, and the shielding surface 7a circumferentially abuts against the opening of the air inlet 21 in a state where the water level in the water tank 41 is equal to or lower than a set minimum water level. On the one hand, the shutter 7 can be moved more smoothly along the upper surface of the upper mounting plate 2 relative to the air intake port 21, and on the other hand, the shutter 7 can be made to better shield the air intake port 21. In this embodiment, the stopper 7 is located at the left side of the air inlet 21 when the water tank 41 is in a water shortage state, and the stopper 7 moves to the right to shield the air inlet 21 when the water tank 41 is in a water shortage state.

Furthermore, the air guiding plate 3 is provided with a through hole 31, a connecting rod 71 horizontally extending from left to right is horizontally inserted into the through hole 31, the connecting rod 71 can move back and forth from left to right along the length direction of the connecting rod 71 relative to the through hole 31, the left end of the connecting rod 71 is positioned in the air guiding plate 3 and fixed with the stopper 7, the right end is positioned outside the air guiding plate 3 and fixed with a magnetic block 72 at the end thereof, the electromagnet 9 is arranged at the right side of the right end of the connecting rod 71, and the electromagnet 9 can generate magnetic attraction with the magnetic block 72 of the connecting rod 71 in a passing state. This drives the movement of the shutter 7 relative to the air inlet 21 by the magnetic attraction between the magnet block 72 and the electromagnet 9. Specifically, in this embodiment, the connecting rod 71 is a straight rod, a limiting bump 711 is convexly provided at the right end of the connecting rod 71 and is mounted on the upper surface of the upper mounting plate 2 through the mounting bracket 70, a first return spring 73 is sleeved on the connecting rod 71, the first return spring 73 is sandwiched between the limiting bump 711 and the mounting bracket 70, and the electromagnet 9 is cylindrical in shape and is disposed along the length direction of the connecting rod. When the electromagnet 9 is de-energized, the first return spring 73 is in an initial state, and the magnetic attraction block 72 abuts against the mounting bracket 70, and when the electromagnet 9 is energized, the first return spring 73 is compressed, so that the connecting rod 71 tends to move away from the air inlet 21. So that the stopper 7 can smoothly move back and forth relative to the air inlet 21 in the length direction of the connecting rod 71. Preferably, the magnetic attraction block 72 is disc-shaped, the magnetic attraction block 72 and the connecting rod 71 are coaxially arranged, and the end surface area of the free end of the magnetic attraction block 72 is larger than the end surface area of the electromagnet 9 opposite to the free end, so that a more stable magnetic attraction effect is formed between the electromagnet 9 and the magnetic attraction block 72.

Further, the micro switch assembly 8 further includes a switch panel 81 horizontally fixed on the upper surface of the upper mounting plate 2, the micro switch 82 and the control member 83 are both mounted on the switch panel 81, the control member 83 is located on the left rear side of the micro switch 82 and can be driven by the transmission mechanism 6 to move back and forth on the switch panel 81 horizontally relative to the micro switch 82, the control member 83 has a trigger boss 831, and the micro switch 82 is closed in a state where the trigger boss 831 abuts against the contact 821 of the micro switch 82. On the one hand, the firm installation of the microswitch assembly 8 on the upper installation plate 2 can be realized, and on the other hand, the control member 83 can better realize the on-off control of the microswitch 82. Specifically, the control member 83 is a square frame horizontally arranged in the front-rear direction, the trigger boss 831 is horizontally protruded from the left side surface of the square frame, the stopper plate 84 is vertically fixed to the switch panel 81, the stopper plate 84 is fitted into the control member 83 in the left-right direction, the first mounting post 841 extending in the front-rear direction is protruded from the rear surface of the stopper plate 84, the second mounting post 833 extending in the front-rear direction and spaced apart from the first mounting post 841 in the front-rear direction is provided in the control member 83, the front and rear ends of the second return spring 85 are respectively fitted to the first mounting post 841 and the second mounting post 833, and the second return spring 85 is compressed to make the control member 83 tend to separate the trigger boss 831 from the contact 821 of the microswitch 82 in a state where the trigger boss 831 of the control member 83 abuts against the contact 821 of the microswitch 82. Therefore, the control part 83 can trigger the microswitch 82 well, and when the water is added, and the water tank 41 enters a non-water-shortage state from a water-shortage state, the control part 83 can reset automatically, so that the microswitch 82 is closed, the electromagnet 9 is restored to a power-off state, the blocking part 7 is moved away from the air inlet 21, the air outlet 11 is opened, and the inner container 1 restores the air exhausting function. Preferably, a limiting column 86 is vertically fixed on the switch board 81, a hook 861 is protruded from the top of the limiting column 86, the hook 861 has a planar guide surface (not shown) extending in the front-back direction and is fastened to the top edge of the side wall of the control member 83 through the guide surface, and the top edges of the side walls on both sides of the control member 83 are respectively fastened by at least one limiting column 86 and can respectively move back and forth along the corresponding guide surface. On the one hand, a detachable mounting of the control element 83 on the switch plate 81 can be achieved, and on the other hand, the control element 83 can be moved better under the push of the gear mechanism 6.

In this embodiment, the upper end of the water level float rod 51 is inserted into the mounting window 22 of the upper mounting plate 2, the transmission mechanism 6 includes a first transmission rack 61, a transmission gear 62 and a transmission rod 63 which are protruded from the upper end of the water level float rod 51, the first transmission rack 61 is disposed along the length direction of the water level float rod 51, the transmission rod 63 is disposed along the front and rear direction, and a second transmission rack 631 which is engaged with the transmission gear 62 is protruded from the transmission rod 63 along the length direction thereof. A transmission boss 832 is horizontally and convexly arranged on the left side surface of the control member 83, a transmission block 632 abutting against the transmission boss 832 is vertically and convexly arranged on the transmission rod 63, and the transmission boss 832 is positioned on the front side of the transmission block 632 along the moving direction of the control member 83. In a state where the water level in the water tank 41 is higher than the set minimum water level, the first transmission rack 61 is positioned above the transmission gear 62, and in a state where the water level in the water tank 41 is equal to or lower than the set minimum water level, the first transmission rack 61 is engaged with one end of the transmission gear 62 and the other end of the transmission gear 62 is engaged with the second transmission rack 631. Thus, when the water tank 41 is not lack of water, the air inlet 21 can be stably kept in an open state, and when the water tank 41 is lack of water, the water level float rod 51 descends to enable the first transmission rack 61 to be meshed with the transmission gear 62, the transmission gear 62 rotates to drive the transmission member through the second transmission rack 631, so that the transmission member drives the control member 83 to move, the trigger boss 831 on the control member 83 abuts against the contact 821 on the microswitch 82, the microswitch 82 is closed, the electromagnet 9 is in an electrified state, and the stopper 7 moves to smoothly shield the air inlet 21. In this embodiment, the driving gear 62 is mounted on a driving shaft 64 extending left and right, and the driving shaft 64 is mounted on the upper surface of the upper mounting plate 2 through a mounting bracket 640.

The working process of the utility model is as follows:

in the initial state, the first transmission rack 61 of the water level buoy 51 is positioned above the transmission gear 62. When the water in the water tank 41 falls to a minimum water level, the first transmission rack 61 of the water level buoy 51 contacts the transmission gear 62 and drives the transmission gear 62 to rotate clockwise (looking from right to left), so as to drive the transmission shaft 64 to rotate clockwise and drive the transmission rod 63 to move forward, the transmission rod 63 pushes the control member 83 to move forward through the cooperation of the transmission block 632 and the transmission boss 832, the first return spring 73 starts to be compressed, so that the trigger boss 831 on the control member 83 abuts against the contact 821 of the microswitch 82, the microswitch 82 is closed, the electromagnet 9 is powered on at the moment, so as to have magnetism, the stopper 7 is attracted to move rightward, the first return spring 73 starts to be compressed, when the magnetic attraction block 72 and the electromagnet 9 are in magnetic attraction, the stopper 7 completely shields the air inlet 21, at the moment, the steam in the inner container 1 cannot be discharged out of the inner container 1, so as to play a role of heat preservation, and prevent the temperature of the inner container 1 from rapidly decreasing.

When a user fills the water tank 41 and puts the water tank into the water tank seat 42, the water level buoy 51 moves upward and drives the transmission gear 62 to rotate counterclockwise (looking from right to left), further drives the transmission shaft 64 to rotate counterclockwise and drives the transmission rod 63 to move backward, the control member 83 moves backward under the action of the second return spring 85, so that the trigger boss 831 on the control member 83 and the contact 821 of the microswitch 82 are separated, the microswitch 82 is disconnected, the electromagnet 9 is powered off at the moment and further has no magnetism, the stopper 7 moves leftward under the action of the first return spring 73, when the second return spring 85 recovers the original length, the stopper 7 is completely staggered with the air inlet 21, the air outlet 11 is opened, and the inner container 1 can exhaust normally at the moment.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) that fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third element, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide element, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.

Claims (12)

1. A steaming liner structure comprises a liner (1), wherein an exhaust port (11) is formed in the top wall of the liner (1), a water tank assembly (4) is arranged on one side of the liner (1), the water tank assembly (4) comprises a water tank seat (42) and a water tank (41) accommodated in the water tank seat (42), the steaming liner structure is characterized in that a water level pipe (5) is vertically arranged on one side of the water tank assembly (4), a water inlet at the lower end of the water level pipe (5) is in fluid communication with a water outlet (411) at the lower end of the water tank (41), a water level floating rod (51) is vertically inserted in the water level pipe (5), and the water level floating rod (51) can float up and down along with the water level change in the water level pipe (5),

the water level control device is characterized by further comprising a stopper (7), an electromagnet (9) and a microswitch component (8) for controlling the connection and disconnection points of the electromagnet (9), wherein the stopper (7) is movably arranged relative to the exhaust port (11) and is used for controlling the opening and closing of the exhaust port (11), the electromagnet (9) can magnetically attract the stopper (7) in a power-on state to enable the stopper (7) to move relative to the exhaust port (11), the microswitch component (8) comprises a microswitch (82) and a control piece (83) for controlling the microswitch (82) to be opened and closed, and the control piece (83) is linked with the water level floating rod (51) through a transmission mechanism (6),

when the water level in the water tank (41) is higher than the set minimum water level, the micro switch (82) is switched off, the electromagnet (9) is in a power-off state, and the blocking piece (7) opens the exhaust port (11);

and under the state that the water level in the water tank (41) is equal to or less than the set minimum water level, the micro switch (82) is closed, the electromagnet (9) is in a power-on state, and the blocking piece (7) closes the exhaust port (11).

2. The steaming liner structure according to claim 1, wherein an upper mounting plate (2) is horizontally disposed above the liner (1), an air guide plate (3) is covered on an upper surface of the upper mounting plate (2), the air guide plate (3) and the upper surface of the upper mounting plate (2) define an exhaust channel (30), an air inlet (21) located in the exhaust channel (30) and in fluid communication with the air outlet (11) is disposed on the upper mounting plate (2), the stopper (7) is disposed on the upper surface of the upper mounting plate (2) in the exhaust channel (30), and the stopper (7) can move back and forth along the upper surface of the upper mounting plate (2) relative to the air inlet (21) to open and close the air inlet (21).

3. The steaming liner structure according to claim 2, wherein the air guide plate (3) is provided with a through hole (31), a connecting rod (71) horizontally penetrates through the through hole (31), the connecting rod (71) can move back and forth relative to the through hole (31) along the length direction, one end of the connecting rod (71) is positioned in the air guide plate (3) and fixed with the stopper (7), the other end of the connecting rod is positioned outside the air guide plate (3) and fixed with a magnetic absorption block (72) at the end part, the electromagnet (9) is arranged at one side of the other end of the connecting rod (71), and the electromagnet (9) can generate magnetic absorption with the magnetic absorption block (72) of the connecting rod (71) in a passing state.

4. The steaming liner structure according to claim 3, wherein the connecting rod (71) is a straight rod, the other end of the connecting rod (71) is provided with a limit bump (711) in a protruding manner and is mounted on the upper surface of the upper mounting plate (2) through a mounting bracket (70), the connecting rod (71) is sleeved with a first return spring (73), the first return spring (73) is clamped between the limit bump (711) and the mounting bracket (70), the electromagnet (9) is cylindrical in shape and is arranged along the length direction of the connecting rod (71),

when the electromagnet (9) is in a power-off state, the first return spring (73) is in an initial state, the magnetic suction block (72) abuts against the mounting bracket (70), and when the electromagnet (9) is in a power-on state, the first return spring (73) is compressed to enable the connecting rod (71) to have a tendency of moving away from the air inlet (21).

5. The steaming liner structure according to claim 4, wherein the magnetic block (72) is shaped like a disk, the magnetic block (72) is coaxially disposed with the connecting rod (71), and the area of the free end of the magnetic block (72) is larger than the area of the end face of the electromagnet (9) opposite to the magnetic block.

6. The steaming liner structure according to any one of claims 2 to 5, wherein the micro switch assembly (8) further comprises a switch panel (81) horizontally fixed on the upper surface of the upper mounting plate (2), the micro switch (82) and the control member (83) are both mounted on the switch panel (81), the control member (83) is located at one side of the micro switch (82) and can be driven by the transmission mechanism (6) to horizontally move back and forth on the switch panel (81) relative to the micro switch (82), the control member (83) is provided with a trigger boss (831), and the micro switch (82) is closed in a state that the trigger boss (831) abuts against a contact (821) of the micro switch (82).

7. The steaming inner container structure according to claim 6, wherein the control member (83) is a horizontally disposed square frame, the triggering protrusion (831) is horizontally protruded from one side surface of the square frame, and the switch plate (81) is vertically fixed with a stopper plate (84), the stopper plate (84) is embedded in the control member (83) in a direction perpendicular to a moving direction of the control member (83), and a first mounting post (841) extending in the moving direction of the control member (83) is protruded from one side surface of the stopper plate (84), and the control member (83) has a second mounting post (833) extending in the moving direction thereof and opposed to the first mounting post (841) at a spacing, both ends of the second return spring (85) are respectively fitted over the first mounting post (841) and the second mounting post (833), and the triggering protrusion (831) of the control member (83) is pressed against the contact (821) of the microswitch (82), and the second return spring (85) is pressed against the control member (821) to cause the microswitch (82) to be separated from the contact (821) so that the microswitch (82) is separated from the triggering protrusion (831).

8. The steaming inner container structure according to claim 7, wherein the upper end of the water level float rod (51) is inserted into the mounting window (22) of the upper mounting plate (2), the transmission mechanism (6) comprises a first transmission rack (61), a transmission gear (62) and a transmission rod (63) which are protruded at the upper end of the water level float rod (51), the first transmission rack (61) is disposed along the length direction of the water level float rod (51), the transmission rod (63) is disposed along the moving direction of the control member (83), and a second transmission rack (631) engaged with the transmission gear (62) is protruded at the transmission rod (63) along the length direction thereof,

a transmission boss (832) is horizontally and convexly arranged on the side surface of the other side of the control piece (83), a transmission block (632) which is abutted against the transmission boss (832) is also vertically and convexly arranged on the transmission rod (63),

the first driving rack (61) is positioned above the driving gear (62) in a state where the water level in the water tank (41) is greater than the set minimum water level, and the first driving rack (61) is engaged with one end of the driving gear (62) and the other end of the driving gear (62) is engaged with the second driving rack (631) in a state where the water level in the water tank (41) is equal to or less than the set minimum water level.

9. The steaming liner structure according to any one of claims 1 to 5, wherein an opening (420) through which the water supply tank (41) is moved forward is formed at a front end of the tank base (42), and a water passage port (421) is formed at a lower end of the tank base (42), the water passage port (421) is communicated with a water inlet of the water level pipe (5) through a horizontally extending water passage pipe (422), and a water outlet (411) of the tank (41) is in fluid communication with the water passage port (421) in a state where the tank (41) is completely accommodated in the tank base (42).

10. The steaming liner structure as claimed in claim 9, further comprising a check valve (43) horizontally disposed, one end of the check valve (43) is inserted into the water outlet (411) of the water tank (41), and the other end is exposed to the water tank (41),

the one-way valve (43) closes the water outlet (411) of the water tank (41) when the water tank (41) is not completely accommodated in the water tank seat (42), and the exposed end of the one-way valve (43) is inserted into the water through opening (421) and makes the water outlet (411) of the water tank (41) communicate with the water through opening (421) when the water tank (41) is completely accommodated in the water tank seat (42).

11. The steaming liner structure according to any one of claims 2 to 5, wherein the stopper (7) is a square block, the bottom surface of the block is a horizontally extending shielding surface (7 a), the shielding surface (7 a) is always in contact with the upper surface of the upper mounting plate (2), and the shielding surface (7 a) is in contact with the rim of the air inlet (21) in the circumferential direction in a state where the water level in the water tank (41) is equal to or lower than a set minimum water level.

12. A steaming cooking device having the steaming inner container structure according to any one of claims 1 to 11.

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