CN209410792U - A kind of crisper that can exclude air - Google Patents

Abstract

The utility model discloses the crispers that one kind of food fresh-keeping technical field can exclude air, including that can separate and the box body and box cover of closed locking, the elastic membrane that can be separated is provided between the box cover and box body, the elastic membrane and box cover form expanded exhaust capsule, the expanded exhaust capsule is the seal cavity that can be connected to crisper outside, it is provided in the box body and can control the box body snorkel that crisper is mutually ventilated or closed with foreign minister, the utility model controls box cover blow vent to the intracapsular inflation of expanded exhaust by box cover sealing-plug, utilize the inflation of elastic membrane, elastic membrane is set to cover all the food saved in the box body of crisper, the intracorporal air of box in this way, almost all is by the air in box body snorkel discharge crisper, there can be higher vacuum degree in this way with the intracorporal food of keeping box.

Description

A kind of crisper that can exclude air

Technical field

The utility model relates to food fresh-keeping technical fields, and the crisper of air can be excluded more particularly to one kind.

Background technique

Crisper is divided into plastic preserving box and glass preservation box, and plastic preserving box is made of resin material, general heatproof Range: 120 DEG C of the highest temperature, -20 DEG C of lowest temperature, now there are also crisper made of PP, PP plastics be very common plastics it One, it can be made into any food plastics package, such as food special plastic bag, food plastic box, food suction pipe, food plastics Part etc., safe and non-toxic and low temperature resistant, high temperature resistance is good, PP is the plastics that can uniquely put microwave stove heating into, and has height Intensity folding quality, 50000 times falling from high altitude at -20 DEG C will not be damaged；Heat-resistant glass fresh-keeping box, using high-boron-silicon glass material It is made, it is the most environmentally protective, and harmful substance can will not be generated with microwave heating.

Fresh-keeping present family is typically all hermetic bag vacuum freshness retaining, but hermetic bag does not fix shape, storage collection Food is convenient not as good as crisper, but the vacuum technique of crisper it is current for or it is relatively difficult, no matter plastic preserving box Or glass preservation box be all fixed shape rigid packet, will not deform, exactly because crisper can not deformation retract spy Property, when being vacuumized to the crisper of sealing, then the pressure in box is much smaller than the room atmosphere pressure for being placed on normal pressure, at this time may Be crisper be extruded under atmospheric pressure rupture or between box cover and box body sealing acting as a cushion be squeezed and deformed cause to protect Fresh box gas leakage, air enter crisper, and the vacuum drawn failure of crisper, here it is crispers not to accomplish that real vacuum is protected substantially Fresh reason, it is all that bacterium occurs under aerobic environment that mildew, which occurs, for general food, and mould happiness temperature is hygrophilous, but also oxygen consumption, institute After entering crisper with air, food will be easy to go mouldy, and lose fresh-keeping effect, to store food and not go mouldy long more, just need It wants one kind that can accomplish that vacuum degree is higher, the oxygen in crisper is largely discharged, reaches the fresh-keeping of better effects, prevents The crisper of mildew.

Such as publication date is on May 12nd, 2010, Chinese Patent Application No. is a kind of cover buckle of CN200920064719.6 Negative-pressure fresh-keeping box further includes that the high strength elastic film being set on box cover and can make including the box body and box cover being sealably coupled The check valve that box cavity gas is drained outward, the box cover lower part are along the circumferential direction equipped with the groove agreed with box body edge, It is interior to be equipped with sealing ring；Prolong the whole circle boss of emersion in the cover buckle and box body that box body and box cover are risen from by box cover edge to extension It is implemented in combination with and is fastenedly connected.

Although this cover buckle negative-pressure fresh-keeping box is not required to can reach exhaust effect by air extractor；Simultaneously by high-strength The observation for spending elastic membrane, can intuitively show the vacuum effectiveness of box body very much.Due to the deflection of the high strength elastic film of use It is quite big, the intracorporal air of box can be largely discharged, reach a preferable negative pressure of vacuum effect, and due to high strength elastic The reset itself property of film reduces the activity of bacterium in container, further reaches fresh-keeping so that atmospheric density is reduced in box body Effect, but the pressure difference inside the cavity and crisper between this negative-pressure fresh-keeping box high strength elastic film and box cover is larger, it is long Time keeps this larger pressure differential condition, is easy to happen gas leak phenomenon, and this crisper is not handed over well and how to be solved The technological means that certainly high strength elastic film is pressed downward, high strength elastic film deformation extent is smaller, also can not preferably exclude fresh-keeping Air in box, the utility model has just accomplished how to solve the problems, such as air in discharge crisper, and this can be made practical It is all carried out under normal pressure between novel each cavity, hardly there are cavity both sides to generate larger pressure difference, vacuum degree is higher.

Based on this, the utility model devises a kind of crisper that can exclude air, to solve the above problems.

Summary of the invention

The purpose of this utility model is to provide the crispers that one kind can exclude air, and crisper can preferably be discharged Interior air keeps the vacuum degree of food storage space in crisper higher, and bears atmosphere using crisper simply, is not needed The extruding of pressure tests, safer.

The utility model is realized in this way: one kind can exclude the crisper of air, including can separate and closed lock Tight box body and box cover is provided with the elastic membrane that can be separated between the box cover and box body, the elastic membrane forms swollen with box cover Swollen Exhaust airbag, the expanded exhaust capsule are the seal cavity that can be connected to crisper outside, and being provided in the box body can control The box body snorkel that crisper and foreign minister mutually ventilate or close.

Further, the elastic membrane is PP elastic membrane.

Further, box cover blow vent has been opened up on the box cover, the expanded exhaust capsule is by box cover blow vent and protects It is connected to outside fresh box, is also provided with box cover sealing-plug on the box cover blow vent.

Further, handle is provided on the box cover.

Further, the box body snorkel is vertically arranged on inboard wall of cartridge.

Further, blow vent in a plurality of boxes, the box body have from top to bottom uniformly been opened up on the box body snorkel On opened up with blow vent outside the box that be connected to outside crisper, blow vent and the outer blow vent of box are led to by box body in a plurality of boxes Tracheae is connected to, and is connected to snorkel sealing cover by thread seal on the outer blow vent of the box.

Further, in the box aperture of blow vent less than one millimeter.

Further, the outer blow vent of the box is identical as the tip height of box body snorkel.

It is arranged the beneficial effects of the utility model are: the utility model controls box cover blow vent by box cover sealing-plug to expansion Inflation in air bag makes elastic membrane cover all the food saved in the box body of crisper using the inflation of elastic membrane, this The intracorporal air of sample box, almost all, in this way can be with the intracorporal foods of keeping box by the air in box body snorkel discharge crisper Object has higher vacuum degree because all blow vents of the utility model be not it is unidirectional, it is all to permit in need and condition Perhaps in the case where, it can be filled with protection gas into box body from blow vent outside box again, then gas is protected to pass through elastic membrane extrusion expansion Exhaust airbag is fitted in elastic membrane homing on box cover, and protection gas is just filled in such box body, can better delivery cassette Intracorporal air is prevented the intracorporal food mildew of box, and protects gas that can be easy to get with nitrogen, has corrosion-resistant effect, can So that the food holding time is more long, and is consistent in box body with external pressure, in this way there will be no pressure difference, atmospheric pressure will not Crisper is oppressed, gas leakage is more not easy, also without deformation, is not susceptible to elastic fatigue.

Detailed description of the invention

The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the utility model.

In attached drawing, parts list represented by the reference numerals are as follows:

1- box body, 2- box cover, 21- handle, 22- box cover blow vent, 23- box cover sealing-plug, 3- elastic membrane, 31- expansion row Air bag, 4- box body snorkel, blow vent in 41- box, the outer blow vent of 42- box, 43- snorkel sealing cover.

Specific embodiment

Refering to Figure 1, the utility model provides a kind of technical solution: one kind can exclude the crisper of air, packet Including can separate and the box body 1 and box cover 2 of closed locking, and the elastic membrane 3 that can be separated is provided between the box cover 2 and box body 1, The elastic membrane 3 forms expanded exhaust capsule 31 with box cover 2, and the expanded exhaust capsule 31 is the sealing that can be connected to crisper outside Cavity, interior be provided with of the box body 1 can control the box body snorkel 4 that crisper is mutually ventilated or closed with foreign minister, close by box cover Blocking 23 controls whether box cover blow vent 22 is unobstructed, and box cover sealing-plug 23 can be inflated when opening into expanded exhaust capsule 31, benefit With the inflation of elastic membrane 3, elastic membrane 3 is made to cover all the food saved in the box body 1 of crisper, in such box body 1 Air, almost all is discharged by box body snorkel 4, the food in box body 1 can be kept to have higher vacuum degree in this way because All blow vents of the utility model be not it is unidirectional, it is all in the case where in need and conditions permit, can be again by box Outer blow vent 42 is filled with protection gas into box body 1, then atmospheric pressure is protected to increase, and squeezes elastic membrane 3, makes 3 body of expanded exhaust capsule Product reduces, and is fitted in 3 homing of elastic membrane on box cover 2, is just filled with protection gas in such box body 1, can preferably arrange Air in box body 1 out prevents the food in box body 1 from going mouldy, and protects gas that can be easy to get with nitrogen, has corrosion-resistant Effect, can make the food holding time more long, and be consistent in box body 1 with external pressure, and there will be no pressure differences in this way, greatly Air pressure will not oppress crisper, more be not easy gas leakage, also without deformation, be not susceptible to elastic fatigue.

Wherein, elastic membrane 3 is PP elastic membrane, and nontoxic elastic film, nontoxic heating, can also pass into micro-wave oven makes With, box cover blow vent 22 has been opened up on box cover 2, the expanded exhaust capsule 31 is connected to outside by box cover blow vent 22 and crisper, It is also provided with box cover sealing-plug 23 on the box cover blow vent 22, guarantees the leakproofness of expanded exhaust capsule 31, is provided on box cover 2 Handle 21 facilitates rotation box cover 2, is that crisper sealing covers tightly more easily, and box body snorkel 4 is vertically arranged on 1 inner wall of box body, It does not influence to load food, and firmly installs, blow vent 41 in a plurality of boxes has from top to bottom uniformly been opened up on box body snorkel 4, Blow vent 42 outside the box being connected to outside with crisper has been opened up on the box body 1, has been led to outside blow vent 41 and box in a plurality of boxes Port 42 is connected to by box body snorkel 4, is connected to snorkel sealing cover 43 by thread seal on the outer blow vent 42 of the box, Box body 1 is facilitated to be vented, blow vent 41 in multiple boxes will not all block, the hole of blow vent 41 in box because elastic membrane 3 deforms Diameter avoids food from entering less than one millimeter, avoids blocking in box body snorkel 4, the outer blow vent 42 of box and box body snorkel 4 Tip height it is identical, can be convenient storage liquid food, the outer blow vent 42 of box will not be submerged, and the liquid in box body 1 is flat In the case of putting, it will not be flowed out by blow vent 42 outside box.

One concrete application of embodiment are as follows: the utility model when in use separates box cover 2 with box body 1, then will need The food of preservation is put into the box body 1 of crisper, and elastic membrane 3 is then covered between box cover 2 and box body 1, it is necessary to assure elasticity Film 3 completely covers the opening of box body 1, then covers box cover 2, makes mutually to keep close between box cover 2, box body 1 and elastic membrane 3 Envelope, elastic membrane 3 is elastic membrane made of food-grade PP, not only airtight, and elasticity is strong, good toughness, acceptable direct microwave heating, Harmful substance will not be generated, closed expansion can be changed by being formed a volume between box cover 2 and elastic membrane 3 in this way 31 cavity of Exhaust airbag, and 1 closed cavity of box body that a volume can change is also formed between box body 1 and elastic membrane 3, box cover It is added to gasket between sealing-plug 23 and box cover blow vent 22, and is to be connected through a screw thread, the outer blow vent 42 of box and ventilation It is also the screw-threaded coupling sealing means for increasing gasket between seal of tube lid 43, then such better tightness is unscrewed simultaneously Box cover sealing-plug 23 and snorkel sealing cover 43 make expanded exhaust capsule 31 and box body 1 the two seal cavities all and outside crisper Portion keeps connection, inflates followed by box cover blow vent 22 into expanded exhaust capsule 31, box cover blow vent 22 is arranged to be suitble to The pattern of inflator cooperation can be inflated by electric air pump or by manual pump to expanded exhaust capsule 31, this When expanded exhaust capsule 31 in air pressure become larger, 3 compression deformation of elastic membrane can press to the food in box body 1, and box body snorkel 4 is arranged On the inner wall of box body 1, for blow vent 41 towards in box body 1,1 inner wall of box body will not block blow vent 41 in box, and box in box Interior blow vent 41 from top to bottom uniformly opened up on box body snorkel 4 it is multiple, in this way when elastic membrane 3 is pressed down against box body In the box of 4 top of snorkel when blow vent 41, it is provided with 41 row of can also continue to of blow vent in the box of 4 lower section of box body snorkel Gas, will not be blocked by elastic membrane 3 causes box body snorkel 4 that can not be vented, and the air in box body 1 is then passed through multiple uniform rows Blow vent 41 is discharged outside box body 1 by blow vent 42 outside box again via box body snorkel 4 in the box of column, the sky in box body 1 Gas almost drains, and at this moment food is completely covered in elastic membrane 3, and the pressure in expanded exhaust capsule 31 is about the same with atmospheric pressure at this time , because this crisper does not lean on high pressure vacuum pumping, the gas in food is discharged under normal pressure in box body 1, if Higher vacuum degree is needed, can be kept in the unobstructed situation of box cover blow vent 22, blow vent 42 is evacuated with air pump outside box, in this way Exhaust effect is more preferable, covers tightly box cover sealing-plug 23 after the completion of exhaust in box body 1, seals expanded exhaust capsule 31, is then screwing Snorkel sealing cover 43 guarantees that box body 1 seals, ensures that food storage space has higher vacuum degree in this way, also only have In this way by way of air is discharged, it could really make not flexible crisper that there is the fresh-keeping function of vacuum, Ke Yigeng Storage food does not go mouldy in long preservation box body 1, and in this case, expanded exhaust capsule 31 is not high-pressure chamber, this is fresh-keeping Nor high pressure or low pressure volumes, will not occur larger pressure difference, atmospheric pressure will not squeeze box body 1, can be very good to protect in box It suffers from indigestion object, because of pressure difference rupture or gas leakage will not occur for box body 1 and box cover 2, and food is also previously stored in vacuum environment, There is higher preservation demand, and in conditional situation, it can be when exhausting vacuum to food, then pass through the outer blow vent 42 of box The conveying protection gas into the box body 1 for store food, protection gas can be using nitrogen, convenient for production at low cost, with nitrogen by box It is full of in body 1, the air in expanded exhaust capsule 31 is discharged by box cover blow vent 22 again, is bonded elastic membrane 3 with box cover 2, then Box cover sealing-plug 23 is covered tightly, then sealing when the volume of expanded exhaust capsule 31 being made to be retracted to minimum screws snorkel sealing cover again 43, guarantee that box body 1 seals, is just filled with nitrogen in such box body 1, the food in box body 1 is just more hardly damaged, and box body Air pressure in 1 is normal barometric pressure, and without pressure difference, atmospheric pressure will not squeeze box body 1 and box cover 2, and there is no shapes for elastic membrane 3 Become, also needing not worry about elastic membrane 3 in this way, there is a situation where elastic fatigue gas leakage or rupture, this guarantors for filling with nitrogen Even if depositing the rupture of method elastic membrane 3, as long as guaranteeing that box cover sealing-plug 23 and snorkel sealing cover 43 seal, nor affect on fresh-keeping Food in box saves, and box cover sealing-plug 23 and 43 both ends of snorkel sealing cover do not have pressure difference, do not have gas extrusion Box cover sealing-plug 23 and snorkel sealing cover 43, sealing is more easier, and is more not easy gas leakage, thus makes this crisper, can be with The food effectivelying prevent in box body 1 goes mouldy with oxygen, and protecting gas is nitrogen, has corrosion-resistant effect, can make to eat The object holding time is more long, and when reusing, elastic membrane 3 can be washed or directly be replaced, the outer blow vent 42 of box and box body snorkel 4 Tip height it is identical, allow this crisper be used to store liquid, the liquid in box body 1 is when crisper is laid flat, no It can be flowed out by blow vent 42 outside box, it is very easy to use, it is simple and durable, it is worthy to be popularized.

Although those familiar with the art answers the foregoing describe specific embodiment of the present utility model Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should Cover in the scope of the claimed protection of the utility model.

Claims (8)

1. the crisper that one kind can exclude air, it is characterised in that: including that can separate and the box body of closed locking (1) and box It covers (2), is provided with the elastic membrane (3) that can separate between the box cover (2) and box body (1), the elastic membrane (3) and box cover (2) It is formed expanded exhaust capsule (31), the expanded exhaust capsule (31) is the seal cavity that can be connected to crisper outside, the box body (1) it is provided in and can control the box body snorkel (4) that crisper is mutually ventilated or closed with foreign minister.

2. the crisper that one kind according to claim 1 can exclude air, it is characterised in that: the elastic membrane (3) is PP elastic membrane.

3. the crisper that one kind according to claim 1 can exclude air, it is characterised in that: opened on the box cover (2) If box cover blow vent (22), the expanded exhaust capsule (31) is connected to by box cover blow vent (22) with crisper outside, the box Box cover sealing-plug (23) are also provided on lid blow vent (22).

4. the crisper that one kind according to claim 1 can exclude air, it is characterised in that: set on the box cover (2) Handle (21) are set.

5. the crisper that one kind according to claim 1 can exclude air, it is characterised in that: the box body snorkel (4) it is vertically arranged on box body (1) inner wall.

6. the crisper that one kind according to claim 5 can exclude air, it is characterised in that: the box body snorkel (4) blow vent (41) in a plurality of boxes have from top to bottom uniformly been opened up on, have opened up on the box body (1) and have been connected to outside crisper The outer blow vent (42) of box, in a plurality of boxes blow vent (41) and the outer blow vent (42) of box by box body snorkel (4) even It is logical, snorkel sealing cover (43) are connected to by thread seal on the outer blow vent (42) of the box.

7. the crisper that one kind according to claim 6 can exclude air, it is characterised in that: blow vent in the box (41) aperture is less than one millimeter.

8. the crisper that one kind according to claim 6 can exclude air, it is characterised in that: the outer blow vent of the box (42) identical as the tip height of box body snorkel (4).