32results about How to "Keep fresh" patented technology

The utility model discloses a kind of storage devices for cranberry processing, belong to cranberry processing technical field, to solve the existing technology aims at solving the traditional cranberry storage mode of existing technology usually is to directly stack the fruit after picking on the ground of warehouse or simple container, large amount of accumulation can make between fruit mutual extrusion, affect the quality of whole batch cranberry Problem. Including storage box, baffle and locking mechanism, the upper surface of storage box is provided with feeding opening, the inside of storage box is arrayed with multiple groups of layer plates, multiple groups of layer plates divide the inside of storage box into multiple independent storage cavities, the sidewall of storage box is respectively provided with baffle corresponding multiple storage cavities. The storage device for cranberry processing, cranberry can be automatically stored in different storage cavities in layer, avoid the centralized extrusion of large amount of fruit, effectively maintain the integrity and freshness of cranberry, reduce juice loss and loss of nutrient composition.

The utility model provides a transportation device for preserving the integrity of tricholoma matsutake. The transportation device for preserving the integrity of the tricholoma matsutake comprises a box body, two containing boxes are arranged in the box body, and a plurality of containing grooves used for containing the tricholoma matsutake are formed in the two containing boxes; the ventilation opening is formed in one side of the box body, and a protective net is arranged on the ventilation opening; and the protection mechanism is arranged on the box body and is used for protecting the tricholoma matsutake. According to the transport device for preserving the integrity of the tricholoma matsutake, damage caused by vibration and collision in the transport process of the tricholoma matsutake can be effectively reduced, and the integrity and quality of the tricholoma matsutake are guaranteed.

The utility model relates to traditional Chinese medicine technical field, concretely for a kind of packing plant for traditional Chinese medicine ration, including case, control component, slicing component, feeding assembly, stirring component, output component, packaging component and transmission component;Stirring component is communicated with output component, slicing component and feeding assembly are oppositely arranged stirring component, and packaging component is located at the one end of output component;Stirring component is used for the medicine stirring of slicing component and feeding assembly to be rationed output through control component and output component;Traditional Chinese medicine processing link can be accurately controlled by control component, ensure accuracy, and the quantitative output of medicinal material is realized by the synergic work of control component and output component, the ingenious connection of slicing component and feeding assembly and stirring component makes that medicinal material can be rapidly, uniformly stirred and mixed, improves the consistency of traditional Chinese medicine component, ensures drug quality, and the freshness and medicinal efficacy of medicinal material are maintained by packaging component after rationing, and it is strong in practicality.

This invention belongs to the field of heavy metal removal technology, specifically disclosing an extract from the leaves of a Solanaceae plant, its extraction method, and its application. The extraction method includes the following steps: S1, mixing tomato and pepper leaves, chopping them to obtain a preliminary mixture; S2, mixing a compound microbial agent with the preliminary mixture obtained in S1, fermenting, sterilizing, centrifuging, filtering through a 0.45μm filter membrane, discarding the precipitate, and obtaining a fermented preliminary mixture; S3, concentrating the fermented preliminary mixture obtained in S2 under reduced pressure to obtain a concentrated fermentation broth; S4, adding sodium carboxymethyl cellulose to the concentrated fermentation broth obtained in S3, stirring evenly, and freeze-drying to obtain the Solanaceae plant leaf extract. This Solanaceae plant leaf extract can effectively remove cadmium from aquatic products, aiding in the growth recovery of aquatic products after cadmium stress, and can also effectively maintain the pH value of white clam muscle, reducing lactic acid accumulation and glycogen consumption, and maintaining the freshness of the meat.

The utility model discloses a kind of toys that can be twisted in multiple directions, belong to children's toy technical field, its technical key points are: including toy body, by the first movable piece and the second movable piece of multiple spliced combination being set, operability and strong interesting, user can according to own idea the splicing of first movable piece and second movable piece at different angles, in order to realize the modeling or action effect that oneself wants, user will constantly think how to splice, how to rotate, this invisibly exercises their spatial imagination and logical thinking ability, to significantly stimulate the creativity and exploratory spirit of child, in addition this multi-directional twist feature can also bring continuous surprise to user, due to the flexibility of 360 ° rotation, even if same splicing modeling, when rotating first movable piece and second movable piece can also produce different visual effects, improve the overall play experience, with the advantages that it is convenient to twist in multiple directions and interesting high.

The utility model relates to the technical field of packaging boxes, in particular to an anti-extrusion packaging box for strawberries. Comprising a box body and a box cover, a box cavity with the caliber gradually increased from bottom to top is formed in the box body, multiple sets of annular supporting pieces are sequentially arranged on the cavity wall of the box cavity from bottom to top, partition plates are in lap joint with all the sets of annular supporting pieces, a single-layer strawberry containing space is formed between every two adjacent partition plates, and the size of each partition plate is sequentially increased from bottom to top. The packaging box adopts a single-layer placement mode, so that the strawberries can be effectively prevented from being stacked, damage caused by extrusion is fundamentally reduced, and the quality of the strawberries is guaranteed.

The application discloses a bacteriostatic and deodorizing zeolite cat litter and a preparation method thereof, and belongs to the technical field of zeolite cat litter preparation. The bacteriostatic and deodorizing zeolite cat litter is composed of the following components in parts by weight: 55-75 parts of modified zeolite, 3-6 parts of bacteriostatic gel, 2-5 parts of adhesive, and 1-3 parts of filler. The modified zeolite is prepared from sulfamic acid, N,N-dimethylformamide, lignocellulose and zeolite, and the bacteriostatic agent is prepared from four-arm polyethylene glycol, succinic anhydride, triethylamine, N-hydroxyl glutarimide, 1-(3-dimethylaminopropyl)-3-ethyl carbodiimide hydrochloride and polylysine. The zeolite cat litter prepared by the method has excellent water absorption, antibacterial property and deodorizing property.

The application discloses a kind of automatic screening machine for processing of ice goby in the technical field of ice goby processing, including inlet hopper, inlet hopper top opening, first water pipe is communicated at the top of inlet hopper, and inlet hopper is communicated with screening device;Screening device includes first transport pipe, and first transport pipe is communicated with inlet hopper, and the end of first transport pipe away from inlet hopper is communicated with freshness identifier, and the end of freshness identifier away from first transport pipe is communicated with second transport pipe;Freshness identifier includes cabinet, controller, camera, light source and power supply are arranged in cabinet, camera is located at the side of cabinet near the top of first transport pipe, light source is located at the side of cabinet near the bottom of first transport pipe, first valve is arranged in first transport pipe, second valve is arranged at the communication part of second transport pipe and freshness identifier, and exhaust port is arranged at the side of cabinet, third valve is arranged in exhaust port.The technical scheme of the application can screen freshness by the proportion of white area of ice goby.

The utility model relates to the technical field of cosmetic packaging, in particular to a serum protein active water film vacuum fresh-keeping glass bottle packaging device. The device comprises a storage assembly and a pumping assembly, the pumping assembly is connected with the storage assembly and extracts objects stored in the storage assembly outwards, the pumping assembly is externally connected with a smearing assembly, sealing assemblies are installed on the storage assembly and the smearing assembly, and the sealing assemblies control opening and closing installation. The storage assembly is designed to be in vacuum sealing, contact between oxygen in air and a serum protein active water film is remarkably reduced, the oxidation risk is reduced, the shelf life of the product is prolonged, the pumping assembly can accurately control the dosage extracted each time, waste is avoided, meanwhile, it is ensured that the dosage used each time is consistent, and the service life of the product is prolonged. The pumping mechanism reduces the opportunity that fingers of a user make direct contact with the product, pollution risks are reduced, product sanitation is guaranteed, the external smearing assembly is designed to be suitable for direct use, intermediate operation steps are reduced, and the user can smear the product easily.

The utility model discloses a temperature -adjusting type roof fan, including waterproof cover, the top of waterproof cover is with stand fixed connection through screw, the lower extreme of stand is fixedly connected with base, and base center has through -hole, and the edge is equipped with waterproof ring, waterproof ring is fixedly connected with stand outside stand, and the outer edge lower fixed connection of base has mounting seat, and the lower extreme of mounting seat is provided with the edge that protrudes outward, base lower still is provided with frame body, and the support edge of frame body bottom is fixedly connected with the baffle of horizontal setting hollow board, and the inner edge of baffle is fixedly connected with the wind scooper of guiding, and the lower extreme of wind scooper is equipped with motor, and the wind wheel of surrounding motor fixed is equipped with, the outer of wind wheel is equipped with air outlet, and air outlet is a circular ring metal mesh cover, and the upper end of air outlet is fixedly connected with baffle, and the lower extreme middle fixed connection has motor mounting panel, and motor mounting panel is fixedly installed with motor, frame body is provided with heat exchanger, and the outdoor air enters indoor after passing through heat exchanger, can effectively adjust indoor temperature.

The utility model discloses a honey container convenient for taking honey, two long grooves for a taking assembly to move up and down are formed in a bottle cap, and one end of a taking device is movably connected with a connecting pipe; the taking device comprises a taking assembly arranged in the bottle cap and used for moving up and down, an extrusion pump used for conveniently collecting honey into the bottle body is arranged in the taking assembly, and a telescopic assembly used for driving the taking assembly to move up and down is arranged in the bottle cap. Therefore, due to the arrangement of the taking device, a user can conveniently control the taking amount of the honey, and the problem that the honey is easy to adhere and drop in a traditional taking mode is solved; due to the design of the slender pipe, the contact area between honey and air is reduced, oxidation and deterioration of the honey are delayed, and the freshness and taste of the honey are kept; the threaded connection of the bottle cap and the bottle body ensures the sealing performance of the container, effectively prevents the honey from being affected with damp and going bad, and prolongs the shelf life of the honey.

The utility model relates to fishing supplies technical field, propose a kind of bait box, including box, box both ends have opening, further include for being arranged in the end cover of box both ends, end cover is used to open or close opening, box interior has first baffle and second baffle, first baffle and second baffle form installation gap, and several illuminating lamps are installed and arranged in installation gap, and first baffle and second baffle are all light-transmitting material, first baffle and an end cover form first storage cavity, second baffle and another end cover form second storage cavity. Solve the insufficient light in the prior art bait box, angler is difficult to quickly and accurately find the required bait, this not only waste time, also can miss the best fishing opportunity problem.

The utility model relates to human life indispensable field provides a kind of hot air system and wet garbage dryer, hot air system, it is used to provide hot air for container, including heating part and fan, heating part is set on a frame body;Fan is spaced apart with heating part and is set on frame body, first air outlet passage is set on frame body with heating part intercommunication arrangement, air inlet passage is set on frame body with fan intercommunication;Container is provided with air inlet with first air outlet passage intercommunication, pressure balance hole is set on container. Through the temperature of drying control, make the evaporation of small amount of moisture, avoid the peculiar smell of wet garbage in drying process, only less peculiar smell is taken out by water vapor. In this way, it can avoid producing larger peculiar smell when drying, improve drying effect at the same time, and reduce energy consumption.

The utility model discloses an assembled cat rack, including two bowl cat nest and support plate subassembly, support plate subassembly includes first support plate subassembly and second support plate subassembly, both cross -set, first support plate subassembly includes two symmetrical support plate no.

The application discloses a method for applying lanthanum as a passion fruit cadmium reduction agent and improving fruit quality, which comprises the following steps: during the young fruit period to the mature period of the passion fruit, a compound regulation agent prepared from La(NO3)3 and water is sprayed on the leaves; the concentration of La(NO3)3 in the compound regulation agent is 40-53.3 mg / L in terms of La; the spraying is performed three times, and the first spraying is preferably performed during the young fruit formation period, the second spraying is performed during the initial swelling period, and the third spraying is performed during the early fruit filling period. Through scientific spraying of the lanthanum nitrate in the Cd-polluted soil, the passion fruit can be stably grown, the Cd accumulation amount of the fruit and the plant can be significantly reduced, the sugar and acid constitution, the vitamin C content and the antioxidant enzyme activity of the fruit can be improved, and the fruit quality and the stress resistance can be ensured.

The utility model relates to an intelligent novel self-cleaning device structure which comprises a shell, a first cavity and second cavities are arranged in the shell, and the second cavities are evenly distributed on the periphery of the first cavity and communicated with the first cavity. The structure further comprises an air supply assembly and an air return assembly, the air supply assembly is arranged in the first cavity, and the air return assembly is arranged on the shell and matched with the air supply assembly. The shell is further connected with an air inlet assembly. Through the distribution design of the first chamber and the second chamber, the air purification efficiency is improved, and the uniformity of indoor air quality is ensured; through the arrangement of the sensor and the electric valve, the opening degree of the electric valve is adjusted according to the indoor pressure, the fresh air introduction amount is controlled, the room pressure difference is adjusted, whether the filter runs normally or not can be detected through the differential pressure gauge, and the running safety of the self-purifier is guaranteed.

The utility model discloses a multilayer composite food packaging film, which relates to the technical field of packaging films and comprises a packaging film main body, a protective layer, a barrier layer, an adding layer and a contact layer are respectively arranged in the packaging film main body, the protective layer is arranged at the top of the barrier layer, the barrier layer is arranged at the top of the adding layer, and the adding layer is arranged at the top of the contact layer. An adhesive is arranged between every two of the protective layer, the barrier layer, the adding layer and the contact layer, and the interior of the protective layer is made of a high-density polyethylene material. According to the multi-layer composite food packaging film disclosed by the utility model, a plurality of functional layers are arranged in the packaging film main body and comprise the protective layer, the barrier layer, the adding layer and the contact layer, and the layers are tightly adhered by adopting the water-based adhesive; by adopting a multi-layer composite structure, multiple functions of physical protection, gas and moisture barrier, antibacterial protection, food safety and the like are realized, and the storage safety and freshness of food are effectively improved.

The invention relates to a controlled-release linalool emulsion based on a ternary system as well as a preparation method and application of the controlled-release linalool emulsion. The linalool emulsion is an oil-in-water Pickering emulsion composed of a water phase and an oil phase, the water phase comprises a ternary system composed of soybean protein isolate, pectin and hydroxypropyl methyl cellulose, and the oil phase is linalool essential oil. The preparation method comprises the following steps: respectively preparing soybean protein isolate, pectin and hydroxypropyl methyl cellulose solutions, and mixing to obtain a ternary composite water phase; and mixing the ternary composite water phase with the oil phase, and carrying out high-pressure homogenization treatment and ultrasonic treatment under a low-temperature condition to obtain the controlled-release linalool emulsion based on the ternary system. Compared with the prior art, the linalool essential oil emulsion embedding method solves the problem that linalool is easy to volatilize, and can be used in the fields of fruit and vegetable fresh keeping, tea fragrance maintaining and the like.

The application relates to the field of new packaging materials, and provides a composite film for fresh-keeping of green leaf vegetables and a preparation method thereof, main raw materials of the composite film including a base material, citric acid, glacial acetic acid and nicotinamide; the base material is a mixture of chitosan and polyvinyl alcohol; the preparation method is that chitosan and polyvinyl alcohol are dissolved and mixed, then a nicotinamide solution is added, stirring and ultrasonic treatment are conducted to uniformly distribute the components, and finally a flow casting process is adopted to form a film. The composite film can effectively delay oxidation and corruption of green leaf vegetables, and significantly prolong the shelf life of the green leaf vegetables. The composite film has good mechanical properties and flexibility, and is suitable for various fresh-keeping applications. The preparation process is simple, easy for large-scale production, the material is environment-friendly and biodegradable, and the composite film has a wide application prospect.

The present application relates to the field of aquaculture breeding technology, and discloses an indoor cement pool artificial breeding method for east wind snail, which comprises the following steps: storing east wind snail egg sacs after disinfecting water body by ultraviolet rays, removing infected egg sacs, and performing specific water flow replacement 24 hours before hatching; feeding the larvae with a nutrient agent containing clostridium aceticum protein and agaricus blazei polysaccharide every day after hatching, feeding the larvae with monosomic algae such as chrysomonad, tetraselmis, chlorella, etc. in the early stage, and feeding the larvae with shelled algae in the middle stage until the larvae are attached and metamorphosed; keeping the breeding pool continuously aerated and controlling parameters such as dissolved oxygen, salinity, temperature and pH value of the water body during the breeding period, and finally collecting the snail seedlings to end the breeding. The indoor cement pool artificial breeding method for east wind snail provided by the present application is suitable for one or more of fasciolaria fasciolaris and mud east wind snail, and can effectively improve the success rate and seedling quality of indoor cement pool breeding of east wind snail.

The application provides a degradable waterproof heat-insulating antibacterial lunch box and a preparation method thereof, and relates to the field of lunch boxes. Raw materials are as follows in terms of weight parts: 20-30 parts of wheat straw, 20-30 parts of corn straw, 10-20 parts of reed, 10-20 parts of cork, and 5-10 parts of starch glue. The degradable waterproof heat-insulating antibacterial lunch box uses wheat straw, corn straw, reed, cork and starch glue as raw materials, can achieve the functions of waterproofing, degradability, heat preservation and antibiosis under the premise of ensuring normal use strength, and will not cause environmental pollution. The cork not only brings good waterproof effect to the lunch box, but also effectively isolates external temperature and maintains the temperature of food due to its unique structure. The reed and the cork also have natural antibacterial and mildew-proof effects, and can effectively maintain the freshness and health safety of food.

The utility model discloses an outdoor rain sewage well lid structure with a good drainage effect, which particularly relates to the technical field of well lids and comprises a lid body, a leakage box is arranged at the bottom end of the lid body, an anti-blocking mechanism is arranged in the leakage box, a reverse osmosis mechanism is arranged at the bottom of the leakage box, a guide plate is arranged in the leakage box, and a water level sensor is arranged at the bottom of the guide plate. The anti-blocking mechanism and the reverse osmosis mechanism are both connected with a timer with the set time of 1 hour, the anti-blocking mechanism is composed of a first motor, a plurality of smashing assemblies and a belt, leakage holes can be prevented from being blocked, and the drainage efficiency is improved; the reverse osmosis mechanism is composed of a second motor, a plurality of plugging assemblies and a belt and can prevent reverse osmosis of sewage well gas. According to the utility model, the effects of high-efficiency drainage, reverse osmosis prevention and energy conservation are realized.

The utility model discloses an automatic cleaning machine for crayfish processing, and mainly relates to an automatic cleaning machine for crayfish processing, the automatic cleaning machine for crayfish processing comprises a water tank, a double-screw conveying cleaning device, a rotating mechanism, a suction device, a brush cleaning device and a crayfish line extraction device, the upper end of the water tank is provided with a conveyor belt, and the surface of the conveyor belt is provided with a crescent baffle plate; a plurality of sets of crescent baffles are arranged, a material distributing plate is placed at the end, away from the water tank, of the conveying belt, spring supports are arranged at the peripheral corners of the lower end face of the material distributing plate, and a vibration motor is fixedly installed on the lower end face of the material distributing plate. The device has the advantages that the rolling of the crayfish is reduced, the death rate of the crayfish is reduced, the chest and abdomen of the crayfish are directionally cleaned, and the shrimp lines of the fresh and alive crayfish are removed.

The embodiment of the invention discloses a sterilization control method and device for refrigeration equipment and a storage medium, and belongs to the technical field of smart home. Comprising the steps of detecting the damage degree of food materials in the refrigeration equipment; and controlling the sterilization module to sterilize the food materials by adopting the sterilization intensity corresponding to the damage degree. According to the embodiment of the invention, by detecting the damage degree of the food material, the fresh state of the food material and the possible microbial contamination risk can be identified, so that the sterilization intensity of the sterilization module is automatically adjusted to adapt to different storage requirements of the food material, the sterilization effect is improved, and the energy consumption is reduced; the original flavor and nutritional value of the food materials can be kept, and the fresh-keeping period can be prolonged.

The present application relates to the technical field of fresh-keeping packaging, and specifically provides a packaging method and system for fresh-keeping storage, which comprises the following steps: obtaining the number of bacteria on the surface of the to-be-packaged article, determining whether to perform ultraviolet sterilization; when performing micro-freezing treatment, placing the to-be-packaged article into ice water, adding salt into the ice water according to the amount of ice water; the refrigerator performs refrigeration at an initial power, obtaining the real-time temperature of the to-be-packaged article, and determining whether to adjust the initial power; obtaining the bacterial content in the ice water, and determining whether to start the water changing device; segmenting the to-be-packaged article; collecting the volume after segmentation, completing the vacuumizing operation at the air extraction rate S0 and performing sealing; collecting image data, obtaining the bubble volume V0 in the to-be-packaged article after sealing, and determining whether the packaging is qualified. The method combines ultraviolet sterilization, micro-freezing treatment and vacuum sealing to realize the safety, freshness and quality of the to-be-packaged article during long-term storage, and improves the utilization efficiency of resources.

This utility model relates to a detachable multi-cavity lunchbox, comprising a box body and a lid. A first recessed groove is recessed at the upper right corner of the box body. A second recessed groove is located in front of the first recessed groove on the box body. A third recessed groove is located between the left sides of the first and second recessed grooves on the box body. A fourth recessed groove is located behind the third recessed groove on the box body. In this utility model, the recessed compartments can be used together with the box body as a mother-daughter box or used independently, increasing the versatility of the lunchbox in different scenarios. Users can choose the number and combination of compartments to carry according to their actual needs, meeting their dining needs in different occasions. In this embodiment, the four recessed compartments are designed with different shapes and sizes to meet the needs of holding different types of food. The size and shape of each compartment complement each other, making the overall structure of the lunchbox compact and the space utilization more rational.

The invention discloses a method for improving quality characteristics of cheese essence and a product, and belongs to the technical field of dairy products. The method comprises the following steps: mixing cheese curd, butter, water and emulsifying salt, and carrying out hot shear mixing to obtain a reaction matrix; performing ultrahigh-pressure treatment on the obtained reaction substrate to obtain a reaction substrate subjected to ultrahigh-pressure treatment; adding protease into the reaction substrate subjected to ultrahigh pressure treatment for enzymolysis reaction, performing enzymolysis after the reaction is finished, and then adding lipase for enzymolysis reaction; and after the enzymolysis reaction is finished, performing pasteurization for enzyme deactivation to obtain the cheese essence. According to the method disclosed by the invention, the microstructure of cheese curds can be effectively destroyed through ultrahigh-pressure pretreatment, so that proteins and fat embedded in the cheese curds are fully exposed, the contact area of enzyme and a substrate is greatly increased, extremely favorable conditions are created for subsequent enzymolysis reaction, and finally, the flavor strength and the richness of the cheese essence are remarkably enhanced; and the problem of monotonous flavor of a traditional process product is solved.

The utility model is applicable to the technical field of vegetable preservation, and provides a cold storage processing device convenient for vegetable preservation, which comprises a cold storage box, the partition plate is fixedly mounted in the refrigerating box and divides the refrigerating box into a refrigerating cavity and a mounting cavity; the refrigeration pipe is fixedly installed in the partition plate, and the refrigeration pipe and the refrigeration cavity are correspondingly arranged; the carbon dioxide bottle is arranged in the mounting cavity; the exhaust pipe is fixedly mounted at the top of the carbon dioxide bottle; the electromagnetic valve is arranged on the exhaust pipe; and the exhaust mechanism is arranged in the mounting cavity and used for guiding carbon dioxide into the refrigeration cavity. According to the cold storage processing device convenient for vegetable preservation provided by the scheme, a gas preservation technology is introduced, so that the concentration of carbon dioxide and oxygen is changed, the respiration rate of vegetables is reduced, the aging process is delayed, and the preservation time of the vegetables is remarkably prolonged.

This invention discloses a live fish transport life support system, including a fish hold equipped with a controller and a vent valve. The fish hold contains a sensor array, an inlet, an outlet, a circulating sewage pump, a cyclone filter, an oxygen generator, an ultrasonic ammonia nitrogen blowing auxiliary system, an oxygen injection valve, an oxygen supply valve, a breathing valve, a sterilizer, a second Venturi air-water mixer, an oxygen generator, a water temperature regulator, and an oxygen supply water drive valve. Sewage pumped by the circulating sewage pump flows into the cyclone filter from the outlet. Centrifugal force forces heavier particulate solids out of the vessel via the sewage pump and an overboard valve, while lighter water flows into the Venturi air-water mixer. Oxygen from the oxygen generator enters the Venturi air-water mixer through the oxygen supply valve and the oxygen injection valve, mixing with water above the cyclone filter to form oxygenated water. This oxygenated water then flows into the ultrasonic ammonia nitrogen blowing auxiliary system, enters the sterilizer for disinfection, and then enters the water temperature regulator through the oxygen supply water drive valve for mixing. Finally, it mixes with oxygen produced by the second Venturi air-water mixer and the oxygen generator to form oxygenated water, which then enters the fish hold through the inlet. This invention improves the survival rate of ocean-going fish during transport.

The utility model discloses a kind of fruit and vegetable fresh-keeping equipment, belong to agricultural technology field.It includes box, rotatingly connected with connecting cylinder in box interior, connecting cylinder bottom is fixed with rotating plate, and rotating plate bottom is fixed with hollow cylinder symmetrically, first connecting rod is slidably connected in hollow cylinder, and first connecting rod bottom is fixed with connecting plate, and connecting plate bottom is fixed with rotating shaft, and rotating shaft outside is fixed with placing basket;Refrigerator is fixed in box one side, and refrigerator is communicated with box interior by connecting pipe.The motor is equipped at the top of the box, and the second sector gear is intermittently engaged with the first sector gear driven by the motor, and the first sector gear drives the second synchronous wheel and the connecting cylinder to rotate through the fixed rod, while the first sector gear drives the reciprocating screw rod to rotate, so that the sleeve rod moves up and down and drives the connecting plate and the placing basket to lift.The equipment promotes cold air uniform distribution and air circulation through the up-and-down movement and rotating compound motion of placing basket, prolongs fruit and vegetable fresh-keeping period.