CN2209123Y

CN2209123Y - Preserving container with air pumping unit

Info

Publication number: CN2209123Y
Application number: CN 94243791
Authority: CN
Inventors: 蔡武郎
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-10-27
Filing date: 1994-10-27
Publication date: 1995-10-04
Anticipated expiration: 2004-10-27

Abstract

The utility model relates to a storage container, which is provided with an air extracting device and can vacuumize the inner part of the container to store objects. The utility model is composed of a can body, a cover body combined with the can body, an air extracting cylinder arranged on the cover body and an air vent valve used for deflating air. The air extracting cylinder comprises an outer pipe combining with the cover body and an air extracting rod inserted in the outer pipe and capable of pulling upwards and pressing downwards. When the air extracting rod is pulled upwards, an air exhausting plug at the bottom of the outer pipe is lifted up, and the air in the can body is extracted into the lower space of the air extracting rod. When the air extracting rod is pressed, the air under the air extracting rod is pressed out along the gap of the air extracting rod and the inner wall of the outer pipe. The utility model can keep the low-pressure and vacuum of the inner part of the can body for a long time and can be used for storing food, medicine and precise equipment.

Description

Preserving container with air pumping unit

The utility model relates to a kind of preservation container, relates to a kind of preservation container with air extractor or rather, and air extractor is evacuated container to preserve article in the container.

At present commercially available preservation container is generally air hermetic, places desiccant in the container and absorbs moisture moisture content, goes mouldy or protects the precision equipment of photographic camera one class in order to avoid cause article such as food, medicine, gets rusty in order to avoid make moist.

Desiccant need regularly replace the moisture absorption that just can remain valid, and container has oxygen, and its oxidizing action can make still that to preserve article rotten.Vacuum environment is the preferred mode of preserving article, and as vacuum can and plastic film vacuum packaging etc., vacuum packaging extracts the air in the container, has also extracted aqueous vapor.

The purpose of this utility model is a kind of preservation container with air extractor of design, needn't working power bleed or bleed with pump bowl, and this preservation container is particularly suitable for preserving some food, medicine and precision equipment etc.

The preservation container of the utility model band air extractor, comprise the tank body of being with the end and the lid that combines with tank body, the tank body apical margin is provided with chase, and the cover cap edge is to having the ring-type holding groove, be embedded soft gasket in the holding groove and become the driving fit combination, it is characterized in that with the chase of tank body apical margin:

Also comprise pump bowl that is arranged on the lid and the connection for bbreather pipe that is used to remove the tank body vacuum;

Described pump bowl comprise the outer tube that combines with described lid and be plugged in the outer tube can on the air exhaust rod of leaving behind and pressing.

The air exhaust rod of described pump bowl, top are installed with holds button, bottom upper and lower settings bulge loop, the circular groove place is equipped with RUBBER O shape ring between bulge loop, last bulge loop is provided with to link up goes up the bulge loop groove in space up and down, and O shape ring outer rim and described outer tube wall driving fit have the space between O shape ring inner edge and circular groove place air exhaust rod wall;

The outer tube of described pump bowl, bottom are provided with the dividing plate of band central through hole, and the bulkhead through-hole outside is provided with pore, are provided with the soft air venting plug of ship anchor shape in the central through hole and can cover pore on the dividing plate, and the dividing plate below is provided with the over cap of linking up air in outer tube and the tank body.

The connection for bbreather pipe of described lid comprises air valve cap, be positioned at the positioning through hole on the lid, be positioned at the vent and the soft vent plug body of lid positioning through hole outer rim, the drawing ear to pass air valve cap and be exposed to outside the air valve cap of soft vent plug body upper end, the drawing ear to pass air valve cap and be exposed to outside the air valve cap of soft vent plug body upper end, the cylinder of soft vent plug body lower end is plugged in the lid positioning through hole, and the fimbriatum of soft vent plug body covers the vent of lid.

The user after will preserving article and putting into tank body, as long as a few lower cover air exhaust rods of pull upper end hold button, just can make one-tenth vacuum state in the tank body.On when drawing air exhaust rod, O shape loop resistance clogs the current path between lower convex ring and outer tube and upwards promotes air venting plug, gas is sucked in the tank body, arrives place, space between air exhaust rod bottom and outer tube through the dividing plate pore; When pressing down air exhaust rod, the airtight dividing plate pore that covers of air venting plug, the gas of the air exhaust rod bottom gap and the groove of last bulge loop and upwards outflowing through between the gap between lower convex ring and outer tube wall, O shape ring below and inner edge and circular groove along the gap between outer tube and air exhaust rod.Can keep the low-voltage vacuum state in the tank body for a long time, the pure and fresh original flavor of article and never degenerating in keeping jar as long as gently draw the ear that draws of connection for bbreather pipe, can allow opening cover in the air admission tank body.

Further specify technology of the present utility model below in conjunction with the embodiment accompanying drawing

The perspective view that Fig. 1, band air extractor are preserved container

The cross-sectional view that Fig. 2, band air extractor are preserved container

Fig. 3, band air extractor are preserved the air exhaust rod bottom section scheme drawing of container

The over cap perspective view that Fig. 4, band air extractor are preserved container

Fig. 5, band air extractor are preserved the running condition air exhaust rod elevation profile structural representation of container

The running condition air exhaust rod that Fig. 6, band air extractor are preserved container presses down cross-sectional view

Referring to Fig. 1, Fig. 2, the band air extractor is preserved container, comprises tank body 1 and lid 2, and tank body 1 is one the container at the end to be arranged, and the container apical margin is established chase 11; The lid edge of lid 2 is to the holding groove 21 of dividing into ring-type, soft gasket 22 is embedded in ring-type holding groove 21, when lid 2 combines with tank body 1, gasket 22 lower edges of lid 2 engage with the apical margin of tank body 1, the chase of tank body apical margin can increase the power of closely cooperating (seeing Fig. 2, the separated attitude of lid and tank body among Fig. 2).

Lid 2 has pump bowl 3, pump bowl 3 comprises air exhaust rod 4 and outer tube 5, air exhaust rod 4 covers insert in the outer tube 5, and air exhaust rod 4 tops set firmly one and hold button 41, air exhaust rod 4 lower end peripheral hardwares two

bulge loops

42,43, this bulge loop structure can be referring to Fig. 3,42,43 of two bulge loops of upper and lower setting have circular groove 44, the sheathed O shape ring 45 in circular groove 44 places, and this O shape ring is made of elastomeric material, its outer rim contacts with outer tube 5 inner wall sealings, 44 gapped existence of its inner rim and circular groove.Last bulge loop 42 is provided with several grooves 421, so that link up the top and following side space of going up bulge loop.

Outer tube 5 upper edges are provided with mounting ring 51, gapped existence between the inner edge of this mounting ring 51 and air exhaust rod 4 outer walls, and outer tube 5 bottoms are dividing plates 52, and dividing plate 52 central authorities wear a through hole 53, and through hole 53 outsides are equidistant and be oppositely arranged several pores 54.The soft air venting plug 55 of ship anchor type that comes off when being used to prevent to bleed interts and is fixed on through hole 53 places and covers pore 54 on the dividing plate 52.Dividing plate 52 belows connect a short tube 56, short tube 56 bottom fit over caps 57.The over cap structure can be referring to Fig. 4, and the over cap inwall is provided with several lugs 571, and the base plate peripheral region of this lug below is established projection 572, and the outside of over cap 57 is communicated with inner air.Outer tube 5 bottom baffles 52 outer rim places establish protruding rank 521, so that air exhaust rod 4 withstands air exhaust rod 4 and protects air venting plug 55 when pressing to upper/lower positions.

Lid 2 surfaces are positioned at pump bowl 3 and the intermarginal place of lid, are provided with the connection for bbreather pipe 23 that is used to exit, and connection for bbreather pipe 23 comprises air valve cap 234, soft vent plug body 231, be positioned at positioning through hole 233 on the lid and several vents 232 in the through hole outside thereof.The short column of soft vent plug body below passes the positioning through hole 233 of lid, fimbriatum covers several vents 232 fully on it, and both sides, vent plug body 231 top are respectively established one and are drawn ear 2311, this is exposed to its top for externally lifting the venting use after drawing ear to pass air valve cap 234, to remove vacuum state in the container, make the equilibrium of container external and internal pressure can open cover.

Referring to Fig. 5, the stream condition when drawing on the air exhaust rod 4 is shown.To deposit article earlier and place in the tank body 1, and lid 2 will be placed on the tank body 1 again, flicking is lived cock body 2 on the other hand, and another holds to hold and draws air exhaust rod 4 on the button 41.At this moment, O shape ring 45 is because of the downward current path that blocks stay 5 of bulge loop 43 and outer tubes that outwards moves, and because air exhaust rod 4 will be carried (raising) toward the suction that rises on the air venting plug 55, the expand pore 54 of process dividing plate 52 of the gas in the tank body 1 absorbs the space that is positioned at 5 of air exhaust rod 4 belows and outer tubes.

Referring to Fig. 6, stream condition when air exhaust rod being shown pressing down, when state shown in Figure 5, press down air exhaust rod 4, the air venting plug 55 airtight pores 54 that cover dividing plate 52, at this moment, O shape ring 45 is because of upwards outwards moving the gas that makes under the air exhaust rod 4 through the gap between lower convex ring 43 and outer tube 5 inwalls, passes through that O shape is encircled groove 421 on the gap of 44 of 45 belows and inner edge and circular grooves and the last bulge loop 42 of process again and upwards spills out along the gap of 4 of outer tube 5 and air exhaust rods.After drawing, press down the course of action of air exhaust rod 4 on several times, can make in the tank body 1 to reach level of vacuum, cause because of bar pressure and can't open cover.That removes that vacuum state then must gently draw connection for bbreather pipe 23 on the cover body draws ear 2311, and extraneous air is entered in the tank body 1, and cover is from getting loose.

The utility model conforms with use habit for the preservation container is provided with pump bowl, and is simple and practical, is particularly suitable for family and uses, and can protect food original flavor and moistureproof anti-air oxidation.

Claims

1, a kind of preservation container with air extractor, comprise the jar at the band end and the lid that combines with tank body, the tank body apical margin is provided with chase, the cover cap edge is to having the ring-type holding groove, be embedded soft gasket in the holding groove and become the driving fit combination, it is characterized in that: also comprise pump bowl that is arranged on the lid and the connection for bbreather pipe that is used to remove the tank body vacuum with the chase of tank body apical margin; Described pump bowl comprise the outer tube that combines with described lid and be plugged in the outer tube can on the air exhaust rod of leaving behind and pressing.

2, the preservation container of band air extractor according to claim 1, it is characterized in that: the air exhaust rod of described pump bowl, the top is installed with holds button, bottom upper and lower settings bulge loop, the circular groove place is equipped with RUBBER O shape ring between bulge loop, last bulge loop is provided with to link up goes up the bulge loop groove in space up and down, and O shape ring outer rim and described outer tube wall driving fit have the space between O shape ring inner edge and circular groove place air exhaust rod wall; The outer tube of described pump bowl, bottom are provided with the dividing plate of band central through hole, and the bulkhead through-hole outside is provided with pore, are provided with the soft air venting plug of ship anchor shape in the central through hole and can cover pore on the dividing plate, and the dividing plate below is provided with the over cap of linking up air in outer tube and the tank body.

3, the preservation container of band air extractor according to claim 1, it is characterized in that: the connection for bbreather pipe of described lid comprises air valve cap, be positioned at the positioning through hole on the lid, be positioned at the vent and the soft vent plug body of lid positioning through hole outer rim, the drawing ear to pass air valve cap and be exposed to outside the air valve cap of soft vent plug body upper end, the cylinder of soft vent plug body lower end is plugged in the lid positioning through hole, and the fimbriatum of soft vent plug body covers the vent of lid.