CN201415814Y - Portable manual vacuum pre-cooling device - Google Patents
Portable manual vacuum pre-cooling device Download PDFInfo
- Publication number
- CN201415814Y CN201415814Y CN2009201095728U CN200920109572U CN201415814Y CN 201415814 Y CN201415814 Y CN 201415814Y CN 2009201095728 U CN2009201095728 U CN 2009201095728U CN 200920109572 U CN200920109572 U CN 200920109572U CN 201415814 Y CN201415814 Y CN 201415814Y
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- China
- Prior art keywords
- box body
- hole
- portable manual
- manual vacuum
- precooling device
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- Expired - Fee Related
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- Storage Of Fruits Or Vegetables (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
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Abstract
The utility model discloses a portable manual vacuum pre-cooling device. The device comprises a box body and an evacuating device; a box cover capable of opening or closing the box body is arranged onthe box body; a through hole is also formed in the box body; and the evacuating device can carry out the evacuation to the box body through the through hole. The portable manual vacuum pre-cooling device can rapidly reduce the temperature of food in an evacuation manner, can effectively avoid bacteria propagation after pre-cooling, improves the safety of eating the day-old food again, is suitablefor household use, and also can pre-cool and preserve vegetables and fruits additionally.
Description
Technical field
The utility model relates to a kind of device of storing easy corrupt far productss such as vegetables, fruit by the precooling mode.
Background technology
Far products such as vegetables, fruit usually needs can keep by the cryogenic flow generalist freshness and the nutritive value of its wholefood.Vegetables are different with general circulation product, after plucking, respiration is vigorous, follow rising and sweating phenomenon simultaneously, for keeping the vitality of vegetables, reduce the nutriment consumption after vegetables are plucked, after plucking, need artificial intervention, key is to pluck the processing in back and the transportation, as precooling, packing, accumulating and the processing mode etc. of vegetables.
Far productss such as existing transportation vegetables, fruit just adopt lorry that far products is simply packed the back vanning usually, and are unavoidable because extruding and bacterial infection rot portioned product in transportation, cause a large amount of wastes.Even before transportation, take the precooling freshness retaining measure, its precooling measure is also mostly be adopt as ventilate, with modes such as cold water coolings, above-mentioned precooling mode all is slowly " infiltration " cooling from the outside face to the organization internal, thereby fresh keeping time is not long, in order to guarantee that far products afterwards keeps fresh in transportation with transporting to, this just need so improve the traffic cost of far products greatly by insulation refrigeration in transportation.For the meal overnight in the family, normal adopt meal do ripe after, naturally cool, reinstall in the lunch box, put into the refrigerator storage then, in the process that cools naturally, also be vegetative process, continued in the edible process of heating at second day, not only the food mouthfeel is bad, and the process of bacterial growth, also be the process that nitrate changes into nitrite, if nitrite enters human body in a large number, may cause " methemoglobinemia ", blood loses the ability of carrying oxygen, thereby the anoxic symptom occurs, serious possible threat to life.Nitrite worry widely is that also it may change into nitrosamine in human body, is a kind of carcinogenic substance.For the working clan provides a kind of lunch box of convenient and safe band precooling function, at present, all there are not this type of idea and product both at home and abroad.
The utility model content
At the problem that prior art exists, the utility model provides a kind of portable manual vacuum precooling device that improves food, fruits and vegetables preservation effect.
For achieving the above object, the utility model portable manual vacuum precooling device, comprise box body and vacuum extractor, box body is provided with and is used for box body is opened or closed lid, also be provided with a through hole on the box body, vacuum extractor by this through hole to vacuumizing in the box body, and by sealing arrangement with outer gland sealing in the box body.
Further, described box body is circle or polygon.
Further, the material of described box body is thermal insulating material or the good rigid plastic of adiathermancy.
Further, be provided with thermal insulation layer in the described box body.
Further, described sealing arrangement is the sealing plug that matches with its size that is provided with on the through hole.
Further, described sealing arrangement comprises seal ring and through hole seal cover cap, and described through hole radially is provided with a circular groove, and seal ring is arranged in this circular groove, and through hole seal cover cap and described hole size coupling are installed on the seal cover cap described box body sealing.
Portable manual vacuum precooling device of the present utility model, by putrefactive food such as vegetables, fruit or food are placed in the box body, the mode that vacuumizes in the box body are reached descend the rapidly effect that reaches precooling of temperature in the box body reach fresh-keeping, preservation food.Vacuum precooling device of the present utility model is compared other type of cooling, has following advantage:
1. fresh keeping time is long, need not advance freezer and just can directly transport, and short-distance transportation can be without cash transport van.
2. hardening time is fast, generally needs dozens of minutes, and allly has the packing of air gate all can.
3. keep preferably to original sense organ of fruits and vegetables and quality (color and nutritional labeling).
4. can inhibition or kill bacteria and germ.
5. some little damages that have " thin layer drying effect "-fruit and vegetable surfaces can obtain " treatment " healing or can not continue expansion.
6. environment there is not any pollution.
7. operating cost is low.
8. can prolong shelf life,, need not refrigerate and directly to enter the supermarket through the leaf vegetables of vacuum pre-cooling.
Description of drawings
Fig. 1 is the scheme drawing of vacuum precooling device of the present invention;
Fig. 2 is the birds-eye view of box body in the pre-cooler of the present invention;
Fig. 3 is an A-A view among Fig. 2.
The specific embodiment
As shown in Figure 1, the utility model portable manual vacuum precooling device, comprise box body 1 and vacuum extractor 2, box body 1 is provided with and is used for box body 1 is opened or closed lid 11, lid 11 is provided with a through hole 111, vacuum extractor 2 is by vacuumizing in 111 pairs of box bodys 1 of this through hole, after vacuumizing in the box body 1, through hole 111 places are sealed, make keeping certain degree of vacuum in the box body 1, food such as vegetables, fruit, food are inserted and can be guaranteed in the box body 1 that above-mentioned food is still fresh after placement a period of time by the mode of vacuum pre-cooling.
Vacuum extractor 2 can be selected voluntarily according to the size of box body 1, if be used for the transportation of far productss such as vegetables, fruit, just need to select bigger box body to hold, can adopt existing vacuum pump to vacuumizing in the box body 1 this moment, not only can guarantee in the box body 1 degree of vacuum but also can be to rapid vacuumizing in the box body 1; Deposit vegetables, fruit or food if be used for family, only need to select the smaller box body of being convenient to be placed on the refrigerator size, can adopt commercially available home-use pump bowl to vacuumize more convenient this moment.The shape of box body 1 can be arbitrary shapes such as square, circle or polygon, in order to guarantee can not to be out of shape after box body 1 vacuumizes, the material of box body 1 is that the good rigid plastic of thermal insulating material, adiathermancy or other have the good material of withstand voltage adiathermancy, perhaps in the box body 1 thermal insulation layer is set, box body 1 adopts common pressure-resistant material to substitute.
Shown in Fig. 2 and 3, the mode of seal cover cap 112 and sealing Figure 113 fitted seal is adopted in through hole 111 sealings that are provided with on the lid 11, through hole 111 places are provided with the boss of a ccontaining seal ring 113, and through hole 111 inwalls are provided with the screw thread fit of setting on screw thread and the seal cover cap 113 with through hole 111 sealings.Also can pass through rubber stopper seal on the through hole 111.It is to be noted through hole 111 more than above-mentioned two kinds of sealing means, some other existing conventional sealing means all goes for this.In order to guarantee still have certain degree of vacuum after long-time the placement in the box body 1, the seal ring sealing can be set also between lid 11 and the box body 1.
The principle of vacuum pre-cooling is as follows: under normal atmosphere (An) (101.325kPa), water is 100 ℃ of evaporations, if barometric pressure descends, the boiling point of water descends along with the reduction of ambient atmosphere pressure.Boiling is to evaporate apace, can absorb heat hastily.Fresh fruit of vegetables is placed in the fully enclosed container, deflates rapidly and water vapour, and along with the lasting reduction of pressure, fruits and vegetables are understood because of constantly, transpiring moisture cools off apace.The dehydration of vacuum cooling generally about 3%, can not cause fruits and vegetables wither soft, lose bright.Like this, under the vacuum cooling situation, cooling is carried out from the organization internal to the outside face simultaneously, i.e. evenly cooling, and this is that vacuum cooling institute is exclusive, other any cooling method as ventilating, with the cold water cooling, all is slowly " infiltration " cooling from the outside face to the organization internal.
Because the difference of pressure that the fruits and vegetables tissue is inside and outside, in-house pernicious gas and heat also are drawn out of thereupon, can postpone the arrival of fruits and vegetables transition type respiratory climacteric.The back is breathed and is kept very high state always because fruits and vegetables are gathered, and the level of oxygen in the packing material must be dropped to below 5%, makes it keep dormant state, adopts vacuum cooling can keep its original local flavor and bright-coloured color and luster well.Restrain bacterial growth, extend the shelf life, the vacuum quick cooling is subjected to the concern and the attention of increasing garden stuff processing and dispensing enterprise, and simultaneously to family, particularly with the staff of meal working, the utility model has been replenished this blank link of family's precooling.In addition, vacuum for industrial use precooling equipment volume is big, cost is high, can not full service in sinotype small peasant economy.Vacuum precooling device of the present utility model is served individuality and family, improves the safety of fruits and vegetables and food.
It is to be noted and any distortion of making according to the specific embodiment of the present utility model all do not break away from the scope that spirit of the present utility model and claim are put down in writing.
Claims (6)
1. portable manual vacuum precooling device, it is characterized in that, comprise box body and vacuum extractor, box body is provided with and is used for box body is opened or closed lid, also be provided with a through hole on the box body, vacuum extractor by this through hole to vacuumizing in the box body, and by sealing arrangement with outer gland sealing in the box body.
2. portable manual vacuum precooling device as claimed in claim 1 is characterized in that, described box body is circle or polygon.
3. portable manual vacuum precooling device as claimed in claim 1 is characterized in that, the material of described box body is thermal insulating material or the good rigid plastic of adiathermancy.
4. portable manual vacuum precooling device as claimed in claim 1 is characterized in that, is provided with thermal insulation layer in the described box body.
5. portable manual vacuum precooling device as claimed in claim 1 is characterized in that, described sealing arrangement is the sealing plug that matches with its size that is provided with on the through hole.
6. portable manual vacuum precooling device as claimed in claim 1, it is characterized in that, described sealing arrangement comprises seal ring and through hole seal cover cap, described through hole radially is provided with a circular groove, seal ring is arranged in this circular groove, and through hole seal cover cap and described hole size coupling are installed on the seal cover cap described box body sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201095728U CN201415814Y (en) | 2009-06-30 | 2009-06-30 | Portable manual vacuum pre-cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201095728U CN201415814Y (en) | 2009-06-30 | 2009-06-30 | Portable manual vacuum pre-cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201415814Y true CN201415814Y (en) | 2010-03-03 |
Family
ID=41792227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201095728U Expired - Fee Related CN201415814Y (en) | 2009-06-30 | 2009-06-30 | Portable manual vacuum pre-cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201415814Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112265729A (en) * | 2020-11-13 | 2021-01-26 | 湖南连心科技有限公司 | Moisture-proof powder coating storage device |
-
2009
- 2009-06-30 CN CN2009201095728U patent/CN201415814Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112265729A (en) * | 2020-11-13 | 2021-01-26 | 湖南连心科技有限公司 | Moisture-proof powder coating storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20120630 |