CN2059544U - Household vacuum fresh-keeping box - Google Patents

Abstract

The utility model relates to a household vacuum fresh-keeping box, the inner of which is divided into a plurality of vacuum storage rooms. An air inlet valve whose system is reformed is used as a door handle in each storage room equally; the rim of the doorframe is provided with a touch switch; the back of the household vacuum fresh-keeping box is communicated with a vacuum pipe by a one-way valve. In particular the vacuum pumping system which is composed of a vacuum pipe passage, a water pump, a water jet and a water flow circuit uses the circulating water flow which carries off the air in the vacuum pipe when going through the water jet for forming vacuum degree; the pumping speed can reach 0.08 m + [3] every minute, and after the vacuum pumping system is started up from 3 minutes to 5 minutes 300 mmHg vacuum degree can be immediately formed in the vacuum storage rooms. The fresh-keeping time of the fresh vegetables, melons, fruits and various meat which are stored can reach from one month to a plurality of months, so the household vacuum fresh-keeping box which is used in households is economical and practical.

Description

Household vacuum fresh-keeping box

The utility model and a kind of antistaling vacuum container, the vacuum fresh-keeping box that particularly a kind of suitable family storage FF is used.

Family's food fresh keeping generally realizes by refrigerator at present.Under the cryogenic conditions of refrigerator, the bacterial reproduction that FF has slows down, and food preservation time is prolonged.According to interrelated data, under the temperature conditions of cold compartment of refrigerator, the fresh vegetables class can be preserved 3-7 days, and fish, meat, chicken, duck class can be preserved 2-4 days, and milk, eggs are a week.And as under the cryogenic conditions of refrigerating chamber, though be more than 1 month the storage period of fish, meat, chicken, duck class,, can descend greatly and lose its intrinsic local flavor through the freshness of the fresh meat food of chilled storage because temperature is too low.Simultaneously refrigerator in use compressor start often, long operational time, power consumption height, and have the big shortcoming of maintenance difficult expense that breaks down.Also useful in recent years vacuum fresh-keeping device carries out food fresh keeping.But it is realized by polybag is vacuumized, and is subjected to the restriction of polybag, and low, the fresh-keeping amount of its vacuum is little, and each fresh-keeping all needs operate, use trouble, and will consume a large amount of polybags.

The purpose of this utility model is the domestic food vacuum freshness retaining case apparatus that a kind of novel structure, superior performance will be provided, and it can overcome many deficiencies of existing food preservation unit, is a kind of easy to use, economical and practical domestic food antistaling box.

Fig. 1 is the utility model overall structure schematic diagram.

Fig. 2 is the utility model internal structure schematic diagram.

Fig. 3 is the utility model water sprayer vacuum pick-up system structure chart.

Fig. 4 is the utility model vacuum storage chamber door handle intake valve structure chart.

As shown in Figure 1, the utility model is mainly by casing 1, chamber door 2, door handle 3, case pin 4 form. It is outer similar just as existing common refrigerator, and chamber door 2 is to be flexibly connected by hinge with casing 1, can freely open by door handle 3. Bottom half is equipped with case pin 4, can prevent from being corroded because of moist at the bottom of the case. The power set water pump of aspiration vacuum, water sprayer 5 lean on the rear portion bit position at the bottom of being installed in case. As seen from Figure 2, casing 1 also comprises inner bag 6 except shell, and chamber door 2 also comprises an inner bag 7 except watchcase. It is the steel plate of 0.5mm that cabinet shell and chamber door watchcase all adopt thickness, makes it have the contend with pressure of atmosphere of certain intensity, and its inner bag all adopts ABS enhancement engineering plastics to make. The polyaminoresin foam plastics of filling excellent heat insulating performance between cabinet shell and the inner bag make it have good heat-insulating property. The vacuum fresh-keeping box internal structure can be designed to the storeroom that several completely cut off mutually according to different purposes as shown in Figure 2, and its volume is generally the 20-50 liter. The vacuum check valve that access opening 13 by its back is equipped with is linked up mutually with vacuum pipe system. Each storeroom is equipped with respectively independently self sealss door 8, and rubber strip sealing is adopted absolutely on its limit, is the seal after strengthening it and closing, all be pasted with magnetic strips 9 around the rubber border, have passage 10 on the door, both can use for door handle is installed, can be used as again the passage of intake valve when opening the door. The positive door handle 11 that is formed by connecting by handle and intake valve that is equipped with of door. Each vacuum storage chamber body doorframe edge all is equipped with contact-making switch 12, and contact-making switch 12 is closure state when door is closed. After in case door is opened, namely be conducting state, plugged, automatically start-up time relay, switch on the pump and carry out work.

As shown in Figure 3, the utility model water sprayer vacuum pick-up system is by water pump 15, water sprayer 14, and water route circulation pipe 16, vacuum line 17, vacuum check valve 18 is formed by connecting.Its course of work is: water pump 15 beats water to water sprayer 14 after starting water pump, sends back to from water circulation pipe 16 then, forms the closed circuit of current.When current process water sprayer 14, the air in the vacuum pipe 17 are taken out of, by the vacuum check valve 18 air sucking-off that each vacuum storage is indoor, so move in circles then, make the indoor formation vacuum of each vacuum storage.The speed of exhaust of this system can reach 0.08m ³/ minute, its final vacuum can reach 122mmHg.And usually also be enough to make each vacuum storage chamber to keep vacuum less than 300mmHg.For water sprayer vacuum pick-up system of the present utility model can being started automatically and shutdown automatically in official hour.At each vacuum storage case chamber door frame contact-making switch time relay control system is housed, when chamber door is opened, switches on the pump automatically and carry out work, each run 3-5 minute, shutdown voluntarily when making each vacuum storage chamber reach certain vacuum to spend.But the then repetitive operation at closing time of opening the door again, circulation automatically.

The utility model vacuum storage chamber has the certain vacuum degree, and inside and outside differential pressure is very big, generally will be higher than 0.7Kg/Cm ², not destroying this vacuum, the door that open the vacuum storage chamber is impossible.So the utility model is equipped with handle intake valve 11 on each vacuum storage chamber door, as shown in Figure 4.It is made of handle 20 and valve 19.When opening chamber door, as long as open intake valve, eliminate inside and outside differential pressure, just can open chamber door easily, use very convenient.

Compare the utility model modern design, simple in structure, easy, cheap, the superior performance made from current refrigerator or antistaling vacuum container.Because it utilizes vacuum freshness retaining, so reduced the amount of gas in the unit volume, reduced the collision frequency of gas, storing products and chamber wall, breeding and erosion that food speckles with bacterium have been restricted, delay the metabolism of fresh food, thereby prolonged the freshness date of storing food greatly.General FF all is one to the several months as meat, greengrocery, its freshness date of fruits.And the intrinsic local flavor of food is influenced seldom by it.Simultaneously because its vacuum suction apparatus adopts is water pump, water sprayer suction system, so its structure comes simply far beyond the compressor for refrigeration system, it is nearly 3/4 that cost can be reduced, and make assembling, maintenance, maintain and all simplified greatly.Use the utility model device storage thing, closing behind the door under the situation that vacuum is not destroyed, its water pump, water sprayer suction system can not need work always, its number of starts more than refrigerator electric motor starting number of times for few, running time is also short, and institute's power consumption is just more wanted much less.Even in when start, the utility model is power consumption 75-80W only also, far beyond refrigerator economy.From storage thing scope, the utility model device is except that food, and other is easily moth-eaten, moisture-sensitive and article such as easily mould also can be stored, and scope is wider than refrigerator etc.From reserves, because the cause that thing all can be store in each vacuum storage chamber, its actual reserves is much bigger far beyond freezer compartment of refrigerator or polybag.Simultaneously need not consume a large amount of polybags fully, have economical and practical characteristics, can satisfy the usefulness of general family storage FF fully.

An embodiment is provided below:

Adopting length * wide * height is the casing of 420 * 300 * 1600mm volume, and its shell adopts the 0.5mm steel plate, and inner bag adopts the ABS engineering plastics to make, and fills the Polyurethane foamed plastics between cabinet shell and the inner bag as heat insulation layer.Box house divides five vacuum storage chambers, wherein top four size: 410 * 280 * 280mm; 410 * 140 * 280mm in bottom surface, the size 390 * 260 of Vacuum door all adopts rubber weather strip and magnetic seal row culture frame airtight.Adopt aforementioned vacuum pipe vacuum check valve, contact-making switch, parts such as relay are made.Its performance:

Voltage: 220 volts

Pump power: during 75W/

Water sprayer aspiration rates: 0.08m ³/ minute

Suction system: by touch switch and time relay control.Each run 3-5 minute, make vacuum storage chamber vacuum less than 300mmHg.

Fresh keeping property adheres to specification during actual the use.

Claims (3)

1, a kind of family expenses vacuum fresh-keeping box, comprise casing 1, chamber door 2, door handle 3, case pin 4, wherein casing 1, chamber door 2 inside are equipped with inner bag 6 respectively, door inner bag 7, gap between them is filled with heat-insulating material, casing 1 and chamber door 2 are hinged by hinge, case pin 4 is equipped with in casing 1 bottom, casing 1 inside is made of isolated mutually self sealss storeroom, each storeroom volume is upgraded to suitable with 20-50, this device is characterised in that casing 1 back is equipped with vacuum line 17, and it is to communicate with each storeroom by the vacuum check valve 18 that is installed on the storeroom back access opening 13; The water-flow circuit that is made of water pump 14, water sprayer 15, water-circulating pipe 16 is equipped with in casing 1 bottom; The vacuum line 17 of this device is realized being communicated with by water sprayer 15 and water-flow circuit.

2, a kind of family expenses vacuum fresh-keeping box as claimed in claim 1, it is characterized in that this installs each vacuum storage chamber independently self sealss door 8 is housed respectively, the rubber strip sealing is adopted on its limit extremely, all be pasted with magnetic strips 9 around the rubber frame, offer passage 10 on the door, door handle 11 is housed on the passage 10, and the doorframe edge is equipped with contact-making switch 12.

3, a kind of family expenses vacuum fresh-keeping box as claimed in claim 1 or 2 is characterized in that its each vacuum storage chamber door handle 11 is formed by connecting by handle and valve.

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