CN110063649B

CN110063649B - Steam backflow type energy-saving food steamer

Info

Publication number: CN110063649B
Application number: CN201910522420.9A
Authority: CN
Inventors: 屠雪芳
Original assignee: Zhejiang Weiheng Food Co Ltd
Current assignee: Zhejiang Weiheng Food Co., Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-12-29
Anticipated expiration: 2039-06-17
Also published as: CN110063649A

Abstract

The invention discloses a steam reflux type energy-saving food steamer, which comprises a box body, wherein a first cavity is arranged in the box body, the first cavity is bilaterally and symmetrically provided with a left-right through taking port, the bottom wall of the first cavity is provided with an evaporation cavity with an upward opening, the bottom wall of the evaporation cavity is fixedly provided with a heating module generating steam, and the top wall of the first cavity is fixedly provided with a reflux mechanism enabling the steam to reflux for secondary heating. Reduce the risk of arm scald, device safe and reliable, easy operation is clear.

Description

Steam backflow type energy-saving food steamer

Technical Field

The invention relates to the field of kitchen utensils, in particular to a steam backflow type energy-saving food steamer.

Background

As is well known, the steaming of food can lock the moisture of the food, the food has tender mouthfeel, and the original taste and flavor of the finished product can be kept; food steaming needs to be performed by using a food steamer, the food steamer on the market at present has a single function, steam is directly discharged into the air when food is steamed, cloud and mist in a kitchen often disturb the sight of a cook, and meanwhile, the steam leakage also causes the traditional food steamer to need to be continuously added with water, so that the operation is complicated; in addition, the traditional food steamer has low utilization rate of steam heat energy after being stacked, the food steaming time difference of each layer after the food steamer is stacked is large, the overall steaming efficiency is low, the steaming efficiency can be improved as much as possible only by using the maximum power during steaming, the energy consumption of the device is large, and the device does not accord with the current social development trend of energy conservation and environmental protection; therefore, a steam reflux type energy-saving steamer needs to be designed to solve the problems.

Disclosure of Invention

The invention aims to solve the technical problem of providing a steam reflux type energy-saving food steamer, which utilizes steam reflux to carry out secondary heating on food, and meanwhile, the device automatically adjusts the highest temperature, thereby being energy-saving and environment-friendly, having high steaming efficiency, simple and clear operation when taking the food, and safe and reliable.

The invention is realized by the following technical scheme.

The steam reflux type energy-saving food steamer comprises a box body, wherein a first cavity is arranged in the box body, the first cavity is bilaterally symmetrically provided with a left-right through taking port, the bottom wall of the first cavity is provided with an evaporation cavity with an upward opening, and the bottom wall of the evaporation cavity is fixedly provided with a heating module for generating steam;

a backflow mechanism which enables water vapor to flow back for secondary heating is fixedly arranged on the top wall of the first cavity, the backflow mechanism comprises a first cavity, a backflow pipe which extends into the first cavity can be mounted on the top wall of the first cavity, a T-shaped through hole is formed in the backflow pipe, the backflow pipe is symmetrically provided with first through holes which penetrate left and right, when water vapor rises to the top of the first cavity and enters the backflow pipe, the water vapor in the T-shaped through hole is sprayed out through the first through holes, and food is heated for the second time;

a box cover mechanism for controlling the heating module to generate steam is arranged on the left side and the right side of the first cavity, a box cover capable of closing the taking port is rotatably arranged at the left end and the right end of the top wall of the first cavity through a hinged shaft, and when the box cover closes the taking port, the heating module generates steam;

a base temperature control mechanism for adjusting the maximum temperature of the heating module according to the weight of the steamer is arranged on the left end wall of the evaporation cavity;

and the right end wall of the evaporation cavity is provided with a taking-out mechanism for safely taking out the food steamer.

Further, the base temperature control mechanism comprises an evaporation cavity, a second cavity is arranged on the left side end wall of the evaporation cavity, a first rotating shaft is arranged between the second cavity and the first cavity in a rotating mode, a first connecting rod is fixedly arranged at the top end of the first rotating shaft, a base is fixedly arranged on the right end of the first connecting rod, an installation cavity with an upward opening is arranged in the base, a food steamer can be installed in the installation cavity, a first air inlet hole which penetrates through the bottom wall of the installation cavity from top to bottom is formed in the bottom wall of the installation cavity, first sliding holes with the upward opening are symmetrically formed in the left end wall and the right end wall of the first air inlet hole, ejector rods are slidably arranged in the first sliding holes, first springs are connected between the ejector rods and the bottom wall of the first sliding holes, a hydraulic pipeline is communicated between the first sliding holes and the second cavity, and hydraulic liquid is.

Furthermore, a second sliding hole is formed in the right end wall of the second cavity in a communicated mode, a sliding rod is arranged in the second sliding hole in a sliding mode, a rack is fixedly arranged on the bottom surface of the sliding rod, a transmission cavity is formed in the bottom wall of the second sliding hole in a communicated mode, a knob switch capable of adjusting the temperature of the heating module is fixedly arranged on the right end wall of the transmission cavity, a second rotating shaft extending from front to back is rotatably arranged in the transmission cavity, and a circular gear meshed with the rack and a friction wheel located on the front side of the circular gear and in friction contact with the knob switch are fixedly arranged on the second rotating shaft.

Further, the backflow mechanism comprises the food steamer, a cylinder is fixedly arranged in the food steamer, the end wall on the inner side of the cylinder is an inner steaming channel, an outer steaming channel is arranged between the outer end wall of the cylinder and the inner end wall of the food steamer, the bottom wall of the outer steaming channel is provided with a second through hole which penetrates up and down, the bottom wall of the inner steaming channel is provided with a third through hole which penetrates up and down, the top wall of the first cavity is provided with a third sliding hole which penetrates up and down, the third sliding hole is internally provided with a backflow pipe which can extend into the third through hole and the first air inlet hole in a sliding manner, the third sliding hole is communicated with the first cavity in a bilateral symmetry manner and is provided with a fourth through hole, a booster pump is fixedly arranged in the fourth through hole, the left end wall and the right end wall of the third sliding hole are fixedly provided with a first permanent magnet, and the front end wall and rear end wall of the third sliding, and a second permanent magnet attracted with the first permanent magnet is fixedly arranged at the top end of the return pipe.

Furthermore, a cooling plate is fixedly arranged on the front end wall of the first cavity, and a backflow hole with an upward opening is formed in the front end wall of the evaporation cavity in a communicating mode.

Further, the box cover mechanism comprises the heating module, fourth sliding holes with outward openings are symmetrically arranged on the left side and the right side of the heating module, extrusion rods are arranged in the fourth sliding holes in a sliding mode, second switches electrically connected with the first switches are fixedly arranged on the end walls of the inner sides of the fourth sliding holes, first sliding grooves are formed in the bottom walls of the fourth sliding holes in a communicating mode, sliding blocks fixed with the extrusion rods are arranged in the first sliding grooves in a sliding mode, second springs are connected between the sliding blocks and the end walls of the outer sides of the first sliding grooves, second sliding grooves with rightward openings are arranged in the evaporation cavities, sliding plates capable of sealing the evaporation cavities are arranged in the second sliding grooves in a sliding mode, second air inlet holes penetrating through the sliding plates from top to bottom are formed in the sliding plates, and third springs are connected between the sliding plates and the left end walls of.

Further, the taking-out mechanism comprises the evaporation cavity, a third rotating shaft extending up and down is rotatably arranged on the right side end wall of the evaporation cavity, a torsion spring is connected between the outer surface of the third rotating shaft and the bottom wall of the first cavity, a shaft sleeve is slidably arranged on the third rotating shaft, an extension rod is fixedly connected at the rear end of the shaft sleeve through a second connecting rod, an arc-shaped elastic sheet capable of clamping the steamer is fixedly arranged on the front end surface of the extension rod, a third cavity is arranged in the extension rod, a fourth rotating shaft extending front and back is rotatably arranged on the front end wall of the third cavity, and an elliptical wheel capable of extruding the inner wall of the arc-shaped elastic sheet is fixedly arranged on the front end of the,

furthermore, a first bevel gear is fixedly arranged on the fourth rotating shaft in the third cavity, a fifth rotating shaft extending into the first cavity is rotatably arranged on the right end wall of the third cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged on the fifth rotating shaft in the third cavity, and a hand wheel is fixedly arranged at the right end of the fifth rotating shaft.

The invention has the beneficial effects that: the device utilizes the backflow steam to carry out secondary heating on the food when the food is steamed, the device has high heat energy utilization rate, short time for steaming the food, high efficiency, automatic adjustment of the highest heating temperature by the base temperature control mechanism in the steaming process, reasonable utilization of electric energy while ensuring steaming of the food, energy conservation and environmental protection; in addition, when food is taken from the device, the box cover mechanism can prevent water vapor from overflowing in a large amount, distilled water is lost less, water mist is scattered less when the food is taken, the visual field is good, meanwhile, the arm does not need to stretch into the cavity in the taking process, the risk of arm scalding is reduced, the device is safe and reliable, and the operation is simple and clear.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a mechanical schematic of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of E in FIG. 1;

FIG. 3 is an enlarged schematic view of F in FIG. 1;

FIG. 4 is an enlarged schematic view of G of FIG. 1;

3 FIG. 35 3 is 3 a 3 schematic 3 view 3 of 3 the 3 structure 3 A 3- 3 A 3 of 3 FIG. 31 3; 3

FIG. 6 is a schematic diagram of the structure of C-C in FIG. 1;

FIG. 7 is a schematic diagram of B-B of FIG. 1;

FIG. 8 is a top view of FIG. 1;

fig. 9 is a schematic diagram of the structure of D-D in fig. 7.

Detailed Description

The invention will now be described in detail with reference to fig. 1-9, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The steam reflux type energy-saving food steamer described in conjunction with the attached drawings 1-9 comprises a box body 12, wherein a first cavity 14 is arranged in the box body 12, the left and right sides of the first cavity 14 are symmetrically provided with a left and right penetrating taking port 13, the bottom wall of the first cavity 14 is provided with an evaporation cavity 22 with an upward opening, and the bottom wall of the evaporation cavity 22 is fixedly provided with a heating module 21 for generating steam;

a backflow mechanism 90 for enabling water vapor to flow back for secondary heating is fixedly arranged on the top wall of the first cavity 14, the backflow mechanism 90 comprises the first cavity 14, a backflow pipe 31 extending into the first cavity 14 can be installed on the top wall of the first cavity 14, a T-shaped through hole 35 is arranged in the backflow pipe 31, first through holes 48 penetrating through the backflow pipe 31 from left to right are symmetrically arranged on the left and right, and when water vapor rises to the top of the first cavity 14 and enters the backflow pipe 31, the water vapor in the T-shaped through hole 35 is sprayed out through the first through holes 48, and food is heated for the second time;

a box cover mechanism 93 for controlling the heating module to generate water vapor is arranged on the left side and the right side of the first cavity 14, a box cover 11 capable of closing the taking port 13 is rotatably arranged at the left end and the right end of the top wall of the first cavity 14 through a hinge shaft 10, and when the box cover 11 closes the taking port 13, the heating module 21 generates water vapor;

a base temperature control mechanism 92 for adjusting the maximum temperature of the heating module according to the weight of the steamer is arranged on the left end wall of the evaporation cavity 22;

the right end wall of the evaporation cavity 22 is provided with a taking-out mechanism 91 for safely taking out the food steamer.

The base temperature control mechanism 92 comprises the evaporation cavity 22, a second cavity 57 is arranged on the left end wall of the evaporation cavity 22, a first rotating shaft 51 is rotatably arranged between the second cavity 57 and the first cavity 14, a first connecting rod 49 is fixedly arranged at the top end of the first rotating shaft 51, a base 76 is fixedly arranged at the right end of the first connecting rod 49, an installation cavity 40 with an upward opening is arranged in the base 76, a food steamer 38 can be installed in the installation cavity 40, a first air inlet hole 45 which penetrates through the bottom wall of the installation cavity 40 from top to bottom is arranged on the bottom wall of the installation cavity, the left and right end walls of the first air inlet hole 45 are symmetrically provided with first sliding holes 43 with upward openings, the first sliding holes 43 are internally provided with ejector rods 44 in a sliding manner, a first spring 42 is connected between the mandril 44 and the bottom wall of the first sliding hole 43, a hydraulic pipeline 50 is communicated between the first sliding hole 43 and the second cavity 57, and hydraulic liquid 52 is arranged in the second cavity 57 and the hydraulic pipeline 50.

A second sliding hole 55 is communicated with the right end wall of the second cavity 57, a sliding rod 54 is slidably disposed in the second sliding hole 55, a rack 53 is fixedly disposed on the bottom surface of the sliding rod 54, a transmission cavity 61 is communicated with the bottom wall of the second sliding hole 55, a knob switch 65 capable of adjusting the temperature of the heating module 21 is fixedly disposed on the right end wall of the transmission cavity 61, a second rotating shaft 63 extending back and forth is rotatably disposed in the transmission cavity 61, a circular gear 62 engaged with the rack 53 and a friction wheel 64 located in the front of the circular gear 62 and in frictional contact with the knob switch 65 are fixedly disposed on the second rotating shaft 63, when the food steamer 38 is stacked and mounted on the base 76, the push rod 44 is squeezed to drive the sliding rod 54 to slide rightwards through hydraulic fluid 52, the sliding rod 54 drives the rack 53 to slide rightwards, and the rack 53 drives the circular gear 62 and the friction wheel 64 to rotate, after the friction wheel 64 rotates, the knob switch 65 is adjusted, the heavier the stacked food steamer 38 is, the larger the rotation amplitude of the friction wheel 64 is, the higher the highest temperature of the heating module 21 is, the faster the moisture evaporates, and vice versa, the slower the moisture evaporates.

The backflow mechanism 90 comprises the food steamer 38, a cylinder 37 is fixedly arranged in the food steamer 38, an inner side end wall of the cylinder 37 is an inner steaming channel 47, an outer steaming channel 36 is arranged between an outer end wall of the cylinder 37 and an inner end wall of the food steamer 38, a second through hole 39 which penetrates through the bottom wall of the outer steaming channel 36 is arranged up and down, a third through hole 46 which penetrates through the bottom wall of the inner steaming channel 47 is arranged up and down, a third sliding hole 32 which penetrates through the top wall of the first cavity 14 is arranged on the top wall of the first cavity up and down, a backflow pipe 31 which can extend into the third through hole 46 and the first air inlet hole 45 is arranged in the third sliding hole 32 in a sliding mode, fourth through holes 34 are symmetrically communicated with the first cavity 14 in a left-right mode, a booster pump 33 is fixedly arranged in the fourth through hole 34, first permanent magnets 30 are fixedly arranged on left and right end walls of the third sliding hole 32, front and rear end walls of the third sliding hole 32 are fixedly, The booster pump 33 is electrically connected with a first switch 58, and the top end of the return pipe 31 is fixedly provided with a second permanent magnet 29 which is attracted with the first permanent magnet 30.

The fixed cooling plate 59 that is equipped with of first cavity 14 front end lateral wall, evaporation chamber 22 front end wall intercommunication is equipped with the ascending backward flow hole 60 of opening, works as the backward flow 31 inserts when in the third slide opening 32, the backward flow 31 stretches into third through-hole 46 makes first through-hole 48 is located in interior steam passage 47, simultaneously second permanent magnet 29 with first permanent magnet 30 attracts mutually and makes first switch 58 is extrudeed, first switch 58 makes booster pump 33 with heating module 21 circular start circulation steam, when steam rises to first cavity 14 top gets into in the fourth through-hole 34, booster pump 33 pressurizes the steam of backward flow, and the pressurized steam of follow-up passes through T type through-hole 35 and by first through-hole 48 blowout, food secondary heating.

The box cover mechanism 93 comprises the heating module 21, the heating module 21 is bilaterally and symmetrically provided with fourth sliding holes 17 with outward openings, a squeezing rod 16 is arranged in each fourth sliding hole 17 in a sliding mode, a second switch 20 electrically connected with the first switch 58 is fixedly arranged on the inner side end wall of each fourth sliding hole 17, the bottom wall of each fourth sliding hole 17 is communicated with a first sliding groove 19, a sliding block 15 fixed with the squeezing rod 16 is arranged in each first sliding groove 19 in a sliding mode, a second spring 18 is connected between each sliding block 15 and the outer end wall of each first sliding groove 19, a second sliding groove 25 with a rightward opening is arranged in each evaporation cavity 22, a sliding plate 24 capable of sealing the evaporation cavity 22 is arranged in each second sliding groove 25 in a sliding mode, a second air inlet hole 23 penetrating up and down is arranged in each sliding plate 24, a third spring 56 is connected between each sliding plate 24 and the left end wall of each second sliding groove 25, and only when the box covers 11 on two sides close the taking ports 13, the case cover 11 presses the pressing rod 16, the pressing rod 16 slides inwards to press the second switch 20, the second switch 20 enables the first switch 58 to be powered on, then the heating module 21 can generate heat to generate steam, when the case cover 11 on one side of the first cavity 14 is opened, the heating module 21 is powered off to temporarily stop generating steam, in addition, when the case cover 11 on the right side of the first cavity 14 is opened to take the steamer 38, the sliding plate 24 slides rightwards under the elastic force of the third spring 56, namely, the sliding plate 24 seals the evaporation cavity 22, so that the steam is prevented from overflowing greatly, and distilled water is prevented from losing less.

The taking-out mechanism 91 comprises the evaporation cavity 22, a third rotating shaft 27 extending up and down is rotatably arranged on the right end wall of the evaporation cavity 22, a torsion spring 26 is connected between the outer surface of the third rotating shaft 27 and the bottom wall of the first cavity 14, a shaft sleeve 28 is slidably arranged on the third rotating shaft 27, an extension rod 66 is fixedly connected to the rear end of the shaft sleeve 28 through a second connecting rod 72, an arc-shaped elastic sheet 71 capable of clamping the steamer 38 is fixedly arranged on the front end surface of the extension rod 66, a third cavity 67 is arranged in the extension rod 66, a fourth rotating shaft 69 extending back and forth is rotatably arranged on the front end wall of the third cavity 67, an elliptical wheel 70 capable of extruding the inner wall of the arc-shaped elastic sheet 71 is fixedly arranged on the front end surface of the fourth rotating shaft 69 in the third cavity 67, a first bevel gear 68 is fixedly arranged on the fourth rotating shaft 69 in the third cavity 67, a fifth rotating shaft 74 extending into the first cavity 14 is rotatably, a second bevel gear 73 engaged with the first bevel gear 68 is fixedly arranged on the fifth rotating shaft 74 in the third cavity 67, a hand wheel 75 is fixedly arranged at the right end of the fifth rotating shaft 74, after the box cover 11 on the right side of the first cavity 14 is opened, the shaft sleeve 28 is slid to align the arc-shaped elastic sheet 71 to the food steamer 38 to be taken, then the hand wheel 75 is rotated, the hand wheel 75 drives the second bevel gear 73 to rotate, the second bevel gear 73 drives the first bevel gear 68 and the elliptical wheel 70 to rotate, the elliptical wheel 70 rotates ninety degrees and then does not extrude the arc-shaped elastic sheet 71, at this time, the arc-shaped elastic sheet 71 contracts inwards to clamp the food steamer 38, and then the third rotating shaft 27 is rotated to take out the food steamer 38.

Sequence of mechanical actions of the whole device:

1: firstly, the food steamer 38 is stacked and installed in the installation cavity 40, at this time, the push rod 44 is squeezed to drive the slide rod 54 to slide rightwards through the hydraulic fluid 52, the slide rod 54 drives the rack 53 to slide rightwards, the rack 53 drives the circular gear 62 and the friction wheel 64 to rotate, the knob switch 65 is adjusted after the friction wheel 64 rotates, the heavier the stacked food steamer 38 is, the larger the rotation amplitude of the friction wheel 64 is, the higher the maximum temperature of the heating module 21 is, the faster the moisture evaporation is, conversely, the slower the moisture evaporation is, i.e. the heavier the stacked food steamer 38 is, the higher the water vapor pressure in the first cavity 14 is, the food steaming speed in the food steamer 38 at the top end of the first cavity 14 is fast, the lighter the stacked food steamer 38 is, the lower the water vapor pressure in the first cavity 14 is, and the energy consumption of the heating vapor of the heating module 21 is reduced at this time, when the food is steamed by the steamer, the device automatically adjusts the highest heating temperature, so that the electric energy is reasonably utilized while the steaming quality is ensured, and the device is energy-saving and environment-friendly;

2: then, the box cover 11 is rotated to close the taking port 13, only when the box covers 11 on two sides close the taking port 13, the box cover 11 presses the extrusion rod 16, the extrusion rod 16 slides inwards to press the second switch 20, the second switch 20 enables the first switch 58 to be powered on, then the heating module 21 can generate heat to generate water vapor, and when the box cover 11 on one side of the first cavity 14 is opened, the heating module 21 is powered off to temporarily stop generating water vapor;

3: finally, the return pipe 31 is inserted into the third sliding hole 32, at this time, the return pipe 31 extends into the third through hole 46 to enable the first through hole 48 to be positioned in the inner steaming channel 47, at the same time, the second permanent magnet 29 and the first permanent magnet 30 are attracted to each other to enable the first switch 58 to be pressed, the first switch 58 enables the booster pump 33 and the heating module 21 to be electrified to start circulation to generate steam, and the device starts to steam food;

4: when the water vapor rises to the top of the first cavity 14 and enters the fourth through hole 34, the booster pump 33 pressurizes the reflowing water vapor, and then the pressurized water vapor passes through the T-shaped through hole 35 and is sprayed out from the first through hole 48, so that the food is heated for the second time, the heat energy utilization rate of the device is high, the time required by steaming the food is short, and the efficiency is high;

5: when the food is taken out after being steamed, the box cover 11 on the right side of the first cavity 14 is opened, when the box cover 11 is opened, the heating module 21 stops generating water vapor, and after the box cover 11 on the right side of the first cavity 14 is opened, the sliding plate 24 slides rightwards under the elastic force of the third spring 56, namely the sliding plate 24 closes the evaporation cavity 22, so that the large amount of water vapor is prevented from overflowing, the distilled water is reduced in loss, the water mist is reduced in dispersion when the food is taken out, and the visual field is good;

6: when the box cover 11 on the right side of the first cavity 14 is opened, the shaft sleeve 28 is slid to enable the arc-shaped elastic piece 71 to be aligned to the food steamer 38 to be taken, then the hand wheel 75 is rotated, the hand wheel 75 drives the second bevel gear 73 to rotate, the second bevel gear 73 drives the first bevel gear 68 and the elliptical wheel 70 to rotate, the elliptical wheel 70 rotates ninety degrees and then does not extrude the arc-shaped elastic piece 71, at the moment, the arc-shaped elastic piece 71 contracts inwards to clamp the food steamer 38, then the third rotating shaft 27 rotates to take out the food steamer 38, food is taken without stretching into the cavity, the arm cannot be scalded by heat, and the device is safe and reliable and is simple and clear to operate.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an energy-conserving food steamer of steam backward flow type, includes the box, its characterized in that: a first cavity is arranged in the box body, the first cavity is bilaterally symmetrically provided with a left-right through taking port, the bottom wall of the first cavity is provided with an evaporation cavity with an upward opening, and the bottom wall of the evaporation cavity is fixedly provided with a heating module generating water vapor; a backflow mechanism which enables water vapor to flow back for secondary heating is fixedly arranged on the top wall of the first cavity, the backflow mechanism comprises a first cavity, a backflow pipe which extends into the first cavity can be mounted on the top wall of the first cavity, a T-shaped through hole is formed in the backflow pipe, the backflow pipe is symmetrically provided with first through holes which penetrate left and right, when water vapor rises to the top of the first cavity and enters the backflow pipe, the water vapor in the T-shaped through hole is sprayed out through the first through holes, and food is heated for the second time; a box cover mechanism for controlling the heating module to generate steam is arranged on the left side and the right side of the first cavity, a box cover capable of closing the taking port is rotatably arranged at the left end and the right end of the top wall of the first cavity through a hinged shaft, and when the box cover closes the taking port, the heating module generates steam; a base temperature control mechanism for adjusting the maximum temperature of the heating module according to the weight of the steamer is arranged on the left end wall of the evaporation cavity; a taking-out mechanism for safely taking out the food steamer is arranged on the right side end wall of the evaporation cavity; the base temperature control mechanism comprises the evaporation cavity, a second cavity is arranged on the left side end wall of the evaporation cavity, a first rotating shaft is rotatably arranged between the second cavity and the first cavity, a first connecting rod is fixedly arranged at the top end of the first rotating shaft, a base is fixedly arranged at the right end of the first connecting rod, an installation cavity with an upward opening is arranged in the base, a food steamer can be installed in the installation cavity, a first air inlet hole which penetrates through the bottom wall of the installation cavity from top to bottom is formed in the bottom wall of the installation cavity, first sliding holes with upward openings are symmetrically formed in the left end wall and the right end wall of the first air inlet hole, an ejector rod is slidably arranged in the first sliding hole, a first spring is connected between the ejector rod and the bottom wall of the first sliding hole, a hydraulic pipeline is communicated between the first sliding hole and the second cavity, and hydraulic liquid is; a second sliding hole is communicated with the right end wall of the second cavity, a sliding rod is arranged in the second sliding hole in a sliding mode, a rack is fixedly arranged on the bottom surface of the sliding rod, a transmission cavity is communicated with the bottom wall of the second sliding hole, a knob switch capable of adjusting the temperature of the heating module is fixedly arranged on the right end wall of the transmission cavity, a second rotating shaft extending forwards and backwards is rotatably arranged in the transmission cavity, and a circular gear meshed with the rack and a friction wheel located on the front side of the circular gear and in friction contact with the knob switch are fixedly arranged on the second rotating shaft; the reflux mechanism comprises the food steamer, a cylinder is fixedly arranged in the food steamer, the end wall of the inner side of the cylinder is an inner steaming channel, an outer steaming channel is arranged between the outer end wall of the cylinder and the inner end wall of the food steamer, a second through hole which penetrates through the bottom wall of the outer steaming channel up and down is arranged on the bottom wall of the outer steaming channel, the bottom wall of the inner steaming channel is provided with a third through hole which penetrates through the inner steaming channel from top to bottom, the top wall of the first cavity is provided with a third sliding hole which penetrates through the inner steaming channel from top to bottom, the third sliding hole is internally provided with the return pipe which can extend into the third through hole and the first air inlet hole in a sliding way, fourth through holes are symmetrically communicated between the third sliding hole and the first cavity in the left-right direction, a booster pump is fixedly arranged in the fourth through holes, a first permanent magnet is fixedly arranged on the left end wall and the right end wall of the third sliding hole, a first switch electrically connected with the heating module and the booster pump is fixedly arranged on the front end wall and the rear end wall of the third sliding hole, and a second permanent magnet attracted with the first permanent magnet is fixedly arranged at the top end of the return pipe; a cooling plate is fixedly arranged on the front end wall of the first cavity, and a backflow hole with an upward opening is communicated with the front end wall of the evaporation cavity; the box cover mechanism comprises the heating module, wherein fourth sliding holes with outward openings are symmetrically arranged on the left side and the right side of the heating module, an extrusion rod is arranged in each fourth sliding hole in a sliding mode, a second switch electrically connected with the first switch is fixedly arranged on the inner side end wall of each fourth sliding hole, a first sliding groove is formed in the bottom wall of each fourth sliding hole in a communicating mode, a sliding block fixed with the extrusion rod is arranged in each first sliding groove in a sliding mode, a second spring is connected between each sliding block and the outer end wall of each first sliding groove, a second sliding groove with the rightward opening is arranged in each evaporation cavity, a sliding plate capable of sealing the evaporation cavity is arranged in each second sliding groove in a sliding mode, a second air inlet hole penetrating through the sliding plate from top to bottom is formed in the sliding plate, and a third spring is connected between the.

2. The steam reflux type energy-saving food steamer as claimed in claim 1, characterized in that: the taking-out mechanism comprises an evaporation cavity, a third rotating shaft which extends up and down is arranged on the end wall of the right side of the evaporation cavity in a rotating mode, a torsion spring is connected between the outer surface of the third rotating shaft and the bottom wall of the first cavity, a shaft sleeve is arranged on the third rotating shaft in a sliding mode, the rear end of the shaft sleeve is fixedly connected with an extension rod through a second connecting rod, a clamping-capable arc-shaped elastic piece of the food steamer is fixedly arranged on the front end face of the extension rod, a third cavity is arranged in the extension rod, a fourth rotating shaft which extends front and back is arranged on the end wall of the front end of the third cavity in a rotating mode, and an elliptical wheel which can.

3. The steam reflux type energy-saving food steamer as claimed in claim 2, characterized in that: a first bevel gear is fixedly arranged on the fourth rotating shaft in the third cavity, a fifth rotating shaft extending into the first cavity is rotatably arranged on the right end wall of the third cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged on the fifth rotating shaft in the third cavity, and a hand wheel is fixedly arranged at the right end of the fifth rotating shaft.