CN201231938Y

CN201231938Y - Vacuum food can

Info

Publication number: CN201231938Y
Application number: CNU2008200875107U
Authority: CN
Inventors: 顾永泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-13
Filing date: 2008-05-13
Publication date: 2009-05-06
Anticipated expiration: 2018-05-13

Abstract

The utility model relates to a vacuum food can, which comprises a can body, a can cover, and a one-way extraction valve which is arranged at the concave part of the top part of the can cover; a sealing ring is arranged on the connecting surface of the can body and the can cover. The vacuum food can is characterized in that: an inwards concave cavity which is provided with a thread is arranged on the can cover; and a marking device which can reflect the vacuum degree in the can is arranged in the concave cavity. The vacuum degree can be reflected at any moment through the marking device on the can cover, so as to benefit people to watch the foods in time and execute the air-extracting operation and lead the can inner to keep vacuum for long time and prolong the food fresh-keeping time.

Description

The vacuum food jar

Technical field

The utility model relates to a kind of food cans, especially relates to food cans a kind of vacuum-pumping, that be used for food fresh keeping.

Background technology

In daily life, no matter go out to carry food or family's store food, do not reach fresh-keeping purpose in order not make food spoilage, people need use antistaling container to come store food.For this reason, the someone has designed the food cans that vacuumizes by air extractor, and it is by installing a unidirectional extraction valve on the lid of food cans, and be equipped with a pump bowl, after bleeding by pump bowl, make food cans inside reach the state that approaches vacuum, reach the purpose of vacuum freshness retaining.But after using a period of time, because the food cans sealing property weakens, inside can not reach vacuum state.But on food cans, do not have a sign that can show the inner vacuum state, so people cannot grasp internal state, pay no attention to, also can make food spoilage if putting for a long time.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of vacuum food jar at the prior art present situation, except the energy vacuum freshness retaining, and can grasp a jar interior degree of vacuum at any time, it is fresh-keeping for a long time to be convenient to food, make that the result of use of food cans is better, more reasonable structure.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this vacuum food cans, comprise tank body, cover and be installed in unidirectional extraction valve in the wheel well of cover top, the faying face of tank body and cover is provided with seal ring, it is characterized in that on described cover, also being provided with one and have the indent cavity that passes through, an indication device that can reflect jar interior degree of vacuum is housed in the cavity.

Also extended upward one first pipe shape projection on the through hole position of described cover indent cavity, the valve plug that useful flexible plastic of cover or rubber are made on the first pipe shape projection, valve plug is the thin cylindrical shape of top wall thickness, its underpart tightly is enclosed within on the outside face of pipe shape projection, is made of the indication device that can reflect jar interior degree of vacuum this valve plug.

One calibrated disc that has a date stamp also is housed in the described cover indent cavity, and described cover is provided with and corresponding cue mark of date stamp or arrow, and described indication device is arranged in the through hole of this calibrated disc middle part.

Described unidirectional extraction valve can include valve gap, lifting spool and sealing shroud, wherein have the air gate that communicates with through hole in the wheel well of cover top on the valve gap, sealing shroud be enclosed within on the valve gap and respectively with valve gap and cover top wheel well in the pipe body be sealed and matched, the lifting spool of being made up of valve rod and valve plug is contained on the valve gap, and valve plug and sealing shroud are sealed and matched.

Compared with prior art, advantage of the present utility model is: the utility model can reflect a jar interior degree of vacuum at any time by adorn an indication device on cover, be convenient to people and in time observe food, or the operation of bleeding again, make to keep vacuum, the fresh keeping time of food and extend in the jar for a long time.

Description of drawings

Fig. 1 is the schematic perspective view of this product with new embodiment.

Structural representation when Fig. 2 vacuumizes for the utility model embodiment.

Fig. 3 is the perspective exploded view of the utility model embodiment.

Fig. 4 is the structural representation of cover.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1-shown in Figure 4, the vacuum food jar of present embodiment adopts the plastics that are suitable for storing food, for example, makes with acrylic plastering, and it can be square, circular or rectangle an or the like different shape.It includes interconnective tank body 3 and cover 2, and the connection between tank body 3 and the cover 2 can be adopted modes such as snapping, grafting or thread connection, and tank body 3 is provided with seal ring with the faying face of cover 2.

Described cover 2 center of top have a wheel well 21, and unidirectional extraction valve 4 is installed in this wheel well 21, and this unidirectional extraction valve 4 both can adopt the technique known structure, also can adopt the mode shown in the present embodiment figure.Unidirectional extraction valve 4 as shown in FIG. mainly is made of valve gap 42, lifting spool and sealing shroud 44 assemblings, in cover central fovea lower part 21, be formed with two pipe bodies, the first pipe body 211 and the second pipe body 212 are with the valve plug 43 in the suitable unidirectional extraction valve and the assembling of sealing shroud 44.On the cover anchor ring between the two pipe bodies, have four through holes.There is a recessed position in described valve gap 42 central authorities, have the air gate that communicates with the through hole of cover on this position, and the end face of valve gap 42 is dome shape, matches with pump bowl 1.Described lifting spool is made up of valve rod 41 and valve plug 43, and valve rod 41 is plugged in valve plug 43 after passing the through hole at position under valve gap 42 central foveas, and valve plug 43 adopts flexible plastics or rubber making, Chang Yong silaatic for example, not only softness but also very flexible.Sealing shroud 44 is enclosed within on the valve gap 42, it also adopts flexible plastic or rubber to make, and the top of sealing shroud 44 tightly is enclosed within on the valve gap 42, closely cooperates with valve gap 42 and reaches sealing state, the bottom of sealing shroud 44 tightly is enclosed within on the second pipe body 212 of cover, also locates sealing state with its close-fitting.And the top of valve plug 43 is a circular cap, it with sealing shroud in annular end face match, when locating vacuum state in the jar, the circular cap of valve plug 43 is close on the end face of sealing shroud 44, locates to be sealed and matched.

Very important improvement is, an indication device 5 also is housed on the cover 2 of this vacuum food cans, the degree of vacuum in showing jar by this indication device 5, be convenient to the user in pumping process or food deposit vacuum condition in time grasping in the process jar.This indication device 5 is contained on an indent cavity 22 positions on the cover, on this position, extend upward first pipe shape projection, the 221 and second pipe shape projection 222 that contains through hole, the valve plug 51 that constitutes indication device is enclosed within on the first pipe shape projection 221, valve plug 51 adopts flexible plastic or rubber to make, it makes the cylindrical shape that the top is spherical capping, and the top wall thickness is thinner, and its underpart tightly is enclosed within on the outside face of the first pipe shape projection 221.Be with a fixed cover 52 on the second pipe shape projection 222, it mainly is to play decoration function.And be with a calibrated disc 6 that has a date stamp at fixed cover 52 outer, cover is provided with and corresponding cue mark of date stamp or arrow, in the time of need understanding the fresh-keeping situation of jar interior food at ordinary times, can check date stamp and understand food and how long deposited.It is preferred version of the present utility model that calibrated disc is set, and also can select not to be provided with calibrated disc certainly.

This food cans also is equipped with a pump bowl 1, pump bowl 1 can adopt easy structure, it comprises outer tube 13, be contained in the interior pipe 12 that can twitch in the outer tube, be located in seal ring between the inner peripheral surface of the external peripheral surface of pipe bottom and outer tube, handle 11 is housed on the interior pipe, the lower end of outer tube 13 slightly is unlimited shape, matches with the shape of valve gap 42 end faces.

The utility model is mainly used in food fresh keeping, also can make common storing containers certainly and use.

When need are made vacuum freshness retaining, required food is put into tank body 3, cover cover 2 and fastening, bleed with pump bowl 1 then.Vacuumize finish after, seal owing to bar pressure is close on the end face of sealing shroud 44 valve plug 43 of lifting spool, this moment, cover 2 was not opened, place, the valve plug 51 tops etat lacunaire of indication device.When needs were opened jar, available finger was pressed the button at lower valve rod 41 tops, made it drive valve plug 43 and moved down together, made valve plug 43 cooperate with sealing shroud 44 depressurizations, the generation gap.So air outside just enters in the jar by the space, this moment, the valve plug 51 of indication device was also heaved gradually, can easily lid be opened at last.

Embodiment of the present utility model is not limited to above-mentioned described, and those skilled in the art can carry out various changes and modifications in the scope of inventive concept of the present utility model.For example, pump bowl, unidirectional extraction valve and cover, and indication device and calibrated disc etc. all can be made, and structure is close, other forms of mutual coupling.

Claims

1, a kind of vacuum food jar, comprise tank body (3), cover (2) and be installed in unidirectional extraction valve (4) in the cover top wheel well (21), the faying face of tank body (3) and cover (2) is provided with seal ring, it is characterized in that: also be provided with an indication device (5) that can reflect jar interior degree of vacuum on the described cover (2).

2, vacuum food jar as claimed in claim 1, it is characterized in that: described indication device (5) is positioned on the through hole position of cover one indent cavity (22), on this position, extended upward one first pipe shape projection (221), the first pipe shape projection (221) goes up the valve plug (51) of useful flexible plastic of cover or rubber making, valve plug (51) is the thin cylindrical shape of top wall thickness, and its underpart tightly is enclosed within on the outside face of pipe shape projection (221).

3, vacuum food jar as claimed in claim 2, it is characterized in that: a calibrated disc (6) that has a date stamp also is housed in the described indent cavity (22), described cover is provided with and corresponding cue mark of date stamp or arrow, and described indication device (5) is arranged in the through hole of this calibrated disc middle part.

4, vacuum food jar as claimed in claim 1, it is characterized in that: described unidirectional extraction valve (4) includes valve gap (42), lifting spool and sealing shroud (44), wherein have the air gate that communicates with through hole in the wheel well of cover (2) top on the valve gap (42), sealing shroud (44) be enclosed within that valve gap (42) is gone up and respectively with valve gap and cover top wheel well in the pipe body be sealed and matched, the lifting spool of being made up of valve rod (41) and valve plug (43) is contained on the valve gap (42), and valve plug (43) can be sealed and matched with sealing shroud (44).

5, vacuum food jar as claimed in claim 3, it is characterized in that: the periphery of the first pipe shape projection (221) of described cover indent cavity (22) also has one second pipe shape projection (222), is with the fixed cover of decoration function (52) together on the second pipe shape projection (222).

6, vacuum food jar as claimed in claim 5, it is characterized in that: described calibrated disc (6) also is provided with the fixed cover (52) of decoration function between valve plug (51), and this fixed cover (52) is enclosed within and is positioned on the second peripheral pipe shape projection (222) of the first pipe shape projection (221).