CN113955276A

CN113955276A - Sealed container capable of reducing volume at will to realize fresh-keeping storage

Info

Publication number: CN113955276A
Application number: CN202111242649.0A
Authority: CN
Inventors: 蒋剑; 蒋鸿飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-01-21

Abstract

The invention provides a sealed container capable of reducing volume at will to realize fresh-keeping storage, which comprises a container body, wherein an inner cavity of the container body is sealed, the size of the inner cavity can be adjusted by the container body through compression deformation, a gas-liquid one-way valve is arranged on the container body, and when the inner cavity of the container body is reduced, gas or liquid in the inner cavity of the container body can be discharged outside through the gas-liquid one-way valve. The invention can not only isolate the outside harmful substance from entering the container, but also change the size of the inner cavity of the container in a compression deformation mode; when the inner cavity of the container is not filled with food, the inner cavity of the container is adjusted to be just filled with the food through compression deformation, so that residual air in the container is exhausted, food spoilage is effectively slowed down, the quality guarantee period of the food is prolonged, the utilization value of the food is improved, and the waste of the food is reduced.

Description

Sealed container capable of reducing volume at will to realize fresh-keeping storage

Technical Field

The invention relates to a sealed container capable of reducing volume at will to realize fresh-keeping storage, which can be used for making lunch boxes, vegetable boxes, tea boxes, teapots, wine containers, pickle jars or other storage containers for solid or liquid foods.

Background

The food waste in urban catering in China is as much as 340 jin and 360 jin each year, and the main reason is that people do not develop good consumption concept and the food storage container is unscientific. Most of traditional food storage containers are sealed cans or sealed boxes, but air is reserved in the sealed cans or the sealed boxes, food is easily oxidized due to the influence of air, harmful bacteria are bred, and the food can deteriorate and rot for a long time. Therefore, many people are reluctant to store leftovers, which causes great waste of food.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a sealed container which can reduce the volume at will to realize fresh-keeping storage, and the sealed container can not only isolate external harmful substances from entering the container, but also reduce the size of the inner cavity of the container in a compression deformation mode, so that air in the container is exhausted, the food spoilage is effectively slowed down, the quality guarantee period of food is prolonged, the utilization value of the food is improved, and the waste of the food is reduced; and the sealed container has simple structure, low manufacturing cost and convenient carrying.

In order to achieve the purpose, the invention provides a sealed container capable of reducing the volume at will to realize fresh-keeping storage, which comprises a container body, wherein the inner cavity of the container body is sealed, the size of the inner cavity of the container body can be adjusted through compression deformation, a gas-liquid one-way valve is arranged on the container body, and when the inner cavity of the container body is reduced, gas or liquid in the inner cavity of the container body can be discharged outside through the gas-liquid one-way valve.

In the scheme, the method comprises the following steps: the container body includes the container body and container lid, the container body is the open straight tube-shape of lower extreme confined of upper end, the container lid sets up in the inner chamber of the container body, is provided with first elastic sealing ring along the border of container lid, container lid and the cooperation of first elastic sealing ring form sealedly to the inner chamber of the container body, just container lid and first elastic sealing ring can slide from top to bottom along the inside wall of the container body to adjust the inner chamber size of the container body. The container lid and the cooperation of first elasticity sealing washer form sealedly to the inner chamber of the container body, can completely cut off external harmful substance and get into the container internally, can prevent again that food from spilling from the container internally, and just first elasticity sealing washer has elasticity, can also slide from top to bottom along the inside wall of the container body under the drive of external force when sealed to the container body to adjust the inner chamber size of the container body, this design simple structure, low in manufacturing cost.

In the scheme, the method comprises the following steps: the container body includes the container body and container lid, the upper end of the container body is provided with the opening, container lid detachably lid is established on the opening, the interval is provided with a plurality of rings of creases from top to bottom on the lateral wall of the container body, and the lateral wall of the container body can be followed the folding compression of crease to adjust the inner chamber size of the container body. Set up the crease on the lateral wall of the container body, adjust the inner chamber size of the container body through the mode of folding the compression along the crease, design benefit, simple structure, low in manufacturing cost, and the container body occupation space after the folding compression is little, easily carries.

In the scheme, the method comprises the following steps: the container body includes the container body and container lid, the container body includes two sections at least contractile bodies, and two adjacent contractile bodies end to end shrink connects, and upper segment contractile body can shrink in the cavity of lower section contractile body, and the lateral wall of upper segment contractile body is sealing connection with the inside wall of lower section contractile body, the bottommost the contractile body is the open lower extreme confined tube-shape in upper end, all the other contractile bodies all are the tube-shape that runs through from top to bottom except the contractile body of bottommost, container lid detachably lid is established on the top opening of the contractile body of topmost. The container body is formed by connecting a plurality of sections of contraction bodies end to end, the size of the inner cavity of the container body is adjusted in a section-by-section contraction mode, the design is ingenious, the structure is simple, the manufacturing cost is low, the occupied space of the contracted container body is small, and the container body is easy to carry.

In the scheme, the method comprises the following steps: the container lid is the arch, the gas-liquid check valve includes that the bottom is opened there is first exhaust hole, inside hollow and the open valve body shell in top to and install first sealed pad, end cap and return spring in the valve body shell in proper order from bottom to top, valve body shell integrated into one piece is at container lid middle part, first exhaust hole and container body inner chamber intercommunication, the top of valve body shell is fixed with the fixed plug, the twist has adjusting screw in the fixed plug, it has the third exhaust hole that corresponds with first exhaust hole position to open on the first sealed pad, the end cap is used for the jam on the third exhaust hole, and return spring's upper end is supported on adjusting screw, and the lower extreme supports on the end cap, it has the second exhaust hole to open on the adjusting screw, can adjust the initial pressure that the end cap was opened through twisting adjusting screw. The valve body shell and the container cover are integrally formed, so that the sealing effect is good; when the inner cavity of the container body is shrunk, the first sealing gasket, the plug, the return spring and the adjusting screw are combined, and the adjusting screw is screwed to adjust the initial pressure of the opening of the plug, so that the gas or liquid in the inner cavity of the container body can be discharged outwards, and the quality guarantee period of food is prolonged.

In the scheme, the method comprises the following steps: the container cover is provided with a mounting hole, the gas-liquid one-way valve is fixedly inserted in the mounting hole and comprises a valve body shell with a first exhaust hole at the bottom, a hollow inner part and an open top, and a first sealing gasket, a plug and a return spring which are sequentially arranged in the valve body shell from bottom to top, the valve body shell comprises a stainless steel bolt and a stainless steel nut, the end head of the stainless steel bolt is positioned at the inner side of the container cover, the first exhaust hole, the hollow inner part and the open top structure are arranged on the stainless steel bolt, the lower end of the stainless steel nut is screwed into the rod part of the stainless steel bolt from the outer side of the container cover for locking and fixing, the upper end of the stainless steel nut is screwed with an adjusting screw, the first sealing gasket is provided with a third exhaust hole corresponding to the first exhaust hole, the plug is used for plugging the third exhaust hole, and the upper end of the return spring is abutted to the adjusting screw, the lower end is abutted to the plug, a second exhaust hole is formed in the adjusting screw, the initial pressure for opening the plug can be adjusted by screwing the adjusting screw, and second sealing gaskets are respectively arranged between the end of the stainless steel bolt and the inner wall of the container cover and between the stainless steel nut and the outer wall of the container cover. The gas-liquid one-way valve is arranged on the container cover, when the inner cavity of the container body is reduced, the first sealing gasket, the plug, the return spring and the adjusting screw are combined, and the adjusting screw is screwed to adjust the initial pressure for opening the plug, so that the gas or liquid in the inner cavity of the container body can be discharged outwards, and the quality guarantee period of food is prolonged; and second sealing gaskets are respectively arranged between the end of the stainless steel bolt and the inner wall of the container cover and between the stainless steel nut and the outer wall of the container cover, so that the sealing property of the container cover can be ensured.

In the scheme, the method comprises the following steps: the container cover is provided with a mounting hole, the gas-liquid one-way valve is fixedly inserted in the mounting hole, the gas-liquid one-way valve comprises a valve body shell, a first sealing gasket and a plug, the bottom of the valve body shell is provided with a first exhaust hole, the interior of the valve body shell is hollow, the top of the valve body shell is open, the first sealing gasket and the plug are sequentially installed in the valve body shell from bottom to top, the first sealing gasket is provided with a third exhaust hole corresponding to the first exhaust hole, and the plug is plugged in the third exhaust hole by means of self weight; the valve body shell comprises a stainless steel bolt and a stainless steel nut, the end of the stainless steel bolt is located on the inner side of the container cover, the first exhaust hole, the inner part of the first exhaust hole and the top of the first exhaust hole are open, the stainless steel nut is screwed into the rod part of the stainless steel bolt from the outer side of the container cover to be locked and fixed, and second sealing gaskets are respectively arranged between the end of the stainless steel bolt and the inner wall of the container cover and between the stainless steel nut and the outer wall of the container cover. The plug is plugged on the third vent hole by means of self-weight to form a seal, when the inner cavity of the container body is shrunk, the plug moves upwards under the action of the pressure in the container body, so that the inner cavity of the container body is communicated with the outside, and the gas or liquid in the inner cavity of the container body is discharged outwards; and second sealing gaskets are respectively arranged between the end of the stainless steel bolt and the inner wall of the container cover and between the stainless steel nut and the outer wall of the container cover, so that the sealing property of the container cover can be ensured.

In the scheme, the method comprises the following steps: the container body is in a circular straight cylinder shape or a polygonal straight cylinder shape, and the gas-liquid one-way valve is fixedly inserted on the side wall of the container body. When air and liquid in the inner cavity of the container body need to be discharged, the gas-liquid one-way valve is arranged on the side wall of the container body, so that the collection of discharged liquid is facilitated.

In the scheme, the method comprises the following steps: the top end of the container body and the container cover are both cylindrical, external threads are arranged on the outer side wall of the top end of the container body, internal threads are arranged on the inner side wall of the container cover, the container cover is in threaded connection with the container body, and a third sealing gasket is arranged between the inner wall of the container cover and the container body; the realization is dismantled through threaded connection, guarantees its leakproofness through setting up the third sealed pad.

In the scheme, the method comprises the following steps: the outer side walls of the lower ends of the rest of the contraction bodies except the contraction body at the bottommost end are circumferentially provided with second elastic sealing rings, two adjacent contraction bodies are connected in a sliding sealing mode through the second elastic sealing rings, the inner side walls of the upper ends of the rest of the contraction bodies except the contraction body at the topmost end are circumferentially provided with clamping grooves for clamping the second elastic sealing rings, the depth of the clamping grooves is gradually increased from bottom to top, and when the second elastic sealing rings are positioned at the tops of the clamping grooves, the second elastic sealing rings can only be driven to move downwards; through setting up the draw-in groove, prevent that the excessive extension of shrink body from leading to two adjacent shrink body separations.

The invention has the beneficial effects that: the container can not only isolate external harmful substances from entering the container, but also reduce the size of the inner cavity of the container in a compression deformation mode; when the inner cavity of the container is not filled with food, the inner cavity of the container is adjusted to be just filled with the food through compression deformation, so that residual air in the container is exhausted, food spoilage is effectively slowed down, the quality guarantee period of the food is prolonged, the utilization value of the food is improved, and the waste of the food is reduced.

Drawings

Fig. 1 is a first structural schematic diagram of the present invention.

Fig. 2 is a second structural schematic of the present invention.

Fig. 3 is a third structural diagram of the present invention.

Fig. 4 is a schematic structural view of a gas-liquid check valve of the present invention.

Fig. 5 is a schematic structural view of another gas-liquid check valve of the present invention.

Detailed Description

Example 1

As shown in figures 1, 4 and 5, the main body of the sealed container is a container body 1, which can reduce the volume at will to realize fresh-keeping storage. The inner cavity of the container body 1 is sealed, and the size of the inner cavity can be adjusted by the container body 1 through compression deformation. The container body 1 is provided with the gas-liquid one-way valve 2, and when the inner cavity of the container body 1 is shrunk, gas or liquid in the inner cavity of the container body 1 can be discharged outside through the gas-liquid one-way valve 2.

The container body 1 comprises a container body 3 and a container cover 4, wherein the container body 3 is in a straight cylinder shape with an open upper end and a closed lower end, and the container cover 4 is arranged in an inner cavity of the container body 3. Be provided with first elastic sealing ring 5 along the border of container lid 4, container lid 4 and the cooperation of first elastic sealing ring 5 form sealedly to the inner chamber of the container body 3, and container lid 4 and first elastic sealing ring 5 can slide from top to bottom along the inside wall of the container body 3 to adjust the inner chamber size of the container body 3. The container cover 4 and the first elastic sealing ring 5 are matched to form sealing on the inner cavity of the container body 3, so that external harmful substances can be isolated from entering the container body 3, and food can be prevented from leaking from the container body 3, the first elastic sealing ring 5 has elasticity, and can slide up and down along the inner side wall of the container body 3 under the driving of external force while sealing the container body 3, and therefore the size of the inner cavity of the container body 3 can be adjusted. The inside of the port of the container body 3 is chamfered to facilitate the installation of the container cover 4 with the first elastic sealing ring 5 into the container body 3, and the outside of the port is provided with a reinforcing rib 17.

Preferably, the container cover 4 is arch-shaped, and the gas-liquid one-way valve 2 comprises a valve body shell 7 with a first exhaust hole A at the bottom, a hollow inner part and an open top, and a first sealing gasket 8, a plug 9 and a return spring 10 which are sequentially arranged in the valve body shell 7 from bottom to top. The valve body shell 7 is integrally formed in the middle of the container cover 4, and the first exhaust hole A is communicated with the inner cavity of the container body 3. The top of the valve body shell 7 is fixed with a fixed plug 6, and an adjusting screw 11 is screwed into the fixed plug 6. And a third exhaust hole C corresponding to the first exhaust hole A is formed in the first sealing gasket 8, a plug 9 is used for plugging the third exhaust hole C, the upper end of a return spring 10 abuts against an adjusting screw 11, and the lower end of the return spring abuts against the plug 9. The adjusting screw 11 is provided with a second exhaust hole B, and the initial pressure for opening the plug 9 can be adjusted by screwing the adjusting screw 11. The valve body shell 7 and the container cover 4 are integrally formed, so that the sealing effect is good; when the inner cavity of the container body 3 is shrunk, the first sealing gasket 8, the plug 9, the return spring 10 and the adjusting screw 11 are combined, and the initial pressure for opening the plug 9 is adjusted by screwing the adjusting screw 11, so that gas or liquid in the inner cavity of the container body 3 can be discharged outwards, and the shelf life of food is prolonged.

Preferably, the container cover 4 is provided with a mounting hole, and the gas-liquid one-way valve 2 is fixedly inserted in the mounting hole. The gas-liquid one-way valve 2 comprises a valve body shell 7, a first sealing gasket 8, a plug 9 and a return spring 10, wherein the bottom of the valve body shell is provided with a first exhaust hole A, the interior of the valve body shell is hollow, and the top of the valve body shell is open, and the first sealing gasket, the plug 9 and the return spring 10 are sequentially installed in the valve body shell 7 from bottom to top. The valve body shell 7 comprises a stainless steel bolt 7b and a stainless steel nut 7a, the end head of the stainless steel bolt 7b is positioned on the inner side of the container cover, and the first exhaust hole A, the inner part of the first exhaust hole A and the top of the first exhaust hole A are open and the structure of the first exhaust hole A is arranged on the stainless steel bolt 7 b. The lower end of the stainless steel nut 7a is screwed into the rod part of the stainless steel bolt 7b from the outer side of the container cover 4 for locking and fixing, and the upper end of the stainless steel nut 7a is screwed with the adjusting screw 11. And a third exhaust hole C corresponding to the first exhaust hole A is formed in the first sealing gasket 8, a plug 9 is used for plugging the third exhaust hole C, the upper end of a return spring 10 abuts against an adjusting screw 11, and the lower end of the return spring abuts against the plug 9. The adjusting screw 11 is provided with a second vent hole B, the initial pressure for opening the plug 9 can be adjusted by screwing the adjusting screw 11, and second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7B and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4. The gas-liquid one-way valve 2 is arranged on the container cover 4, when the inner cavity of the container body 3 is reduced, the first sealing gasket 8, the plug 9, the return spring 10 and the adjusting screw 11 are combined, and the adjusting screw 11 is screwed to adjust the initial pressure of the plug 9 to open, so that the gas or liquid in the inner cavity of the container body 3 can be discharged outwards, and the quality guarantee period of food is prolonged; second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4, so that the sealing performance can be ensured.

Preferably, the container cover 4 is provided with a mounting hole, and the gas-liquid one-way valve 2 is fixedly inserted in the mounting hole. The gas-liquid one-way valve 2 comprises a valve body shell 7, a first sealing gasket 8 and a plug 9, wherein the bottom of the valve body shell is provided with a first exhaust hole A, the interior of the valve body shell is hollow, and the top of the valve body shell is open, and the first sealing gasket and the plug 9 are sequentially arranged in the valve body shell 7 from bottom to top. And a third exhaust hole C corresponding to the first exhaust hole A is formed in the first sealing gasket 8, and the plug 9 is plugged on the third exhaust hole C by means of self weight. The valve body shell 7 comprises a stainless steel bolt 7b and a stainless steel nut 7a, the end head of the stainless steel bolt 7b is positioned on the inner side of the container cover 4, the first exhaust hole A, the inner hollow structure and the top opening structure are arranged on the stainless steel bolt 7b, and the stainless steel nut 7a is screwed into the rod part of the stainless steel bolt 7b from the outer side of the container cover 4 to be locked and fixed. Second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4. The plug 9 forms a seal on the third vent hole C by means of self-weight, when the inner cavity of the container body 3 shrinks, the plug 9 moves upwards under the action of the internal pressure of the container body 3, so that the inner cavity of the container body 3 is communicated with the outside, and the gas or liquid in the inner cavity of the container body 3 is discharged outwards; second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4, so that the sealing performance can be ensured.

Preferably, the container body 3 is in a circular straight cylinder shape or a polygonal straight cylinder shape, and the gas-liquid check valve 2 is fixedly inserted on the side wall of the container body 3. When air and liquid in the inner cavity of the container body 3 need to be discharged, the gas-liquid one-way valve 2 is arranged on the side wall of the container body 3, which is beneficial to collecting the discharged liquid.

Example 2

As shown in figures 2, 4 and 5, the main body of the sealed container is a container body 1, which can reduce the volume at will to realize fresh-keeping storage. The inner chamber of container body 1 is sealed, and container body 1 can be through compression deformation adjustment inner chamber size, is provided with gas-liquid check valve 2 on the container body 1, and when container body 1's inner chamber shrunk, gas or liquid in the container body 1 inner chamber can be arranged outward through gas-liquid check valve 2.

The container body 1 includes a container body 3 and a container lid 4, an opening is provided at an upper end of the container body 3, and the container lid 4 is detachably provided on the opening. The lateral wall of the container body 3 is provided with a plurality of circles of creases at intervals up and down, and the lateral wall of the container body 3 can be folded and compressed along the creases, so that the size of the inner cavity of the container body 3 can be adjusted. Set up the crease on the lateral wall of the container body 3, adjust the inner chamber size of the container body 3 through the mode of folding the compression along the crease, design benefit, simple structure, low in manufacturing cost, and the container body 3 occupation space after the folding compression is little, is provided with annular hand (hold) 17 on the upper end lateral wall of the container body 3, makes it easily carry.

Preferably, the container cover 4 is provided with a mounting hole, and the gas-liquid one-way valve 2 is fixedly inserted in the mounting hole. The gas-liquid one-way valve 2 comprises a valve body shell 7, a first sealing gasket 8 and a plug 9, wherein the bottom of the valve body shell is provided with a first exhaust hole A, the interior of the valve body shell is hollow, and the top of the valve body shell is open, and the first sealing gasket and the plug 9 are sequentially arranged in the valve body shell 7 from bottom to top. And a third exhaust hole C corresponding to the first exhaust hole A is formed in the first sealing gasket 8, and the plug 9 is plugged on the third exhaust hole C by means of self weight. The valve body shell 7 comprises a stainless steel bolt 7b and a stainless steel nut 7a, the end head of the stainless steel bolt 7b is positioned on the inner side of the container cover 4, the first exhaust hole A, the inner part of the first exhaust hole A and the top part of the first exhaust hole A are arranged on the stainless steel bolt 7b in an open structure, and the stainless steel nut 7a is screwed into the rod part of the stainless steel bolt 7b from the outer side of the container cover 4 to be locked and fixed. Second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4. The plug 9 forms a seal on the third vent hole C by means of self-weight, when the inner cavity of the container body 3 shrinks, the plug 9 moves upwards under the action of the internal pressure of the container body 3, so that the inner cavity of the container body 3 is communicated with the outside, and the gas or liquid in the inner cavity of the container body 3 is discharged outwards; second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4, so that the sealing performance can be ensured.

Preferably, the top end of the container body 3 and the container cover 4 are both cylindrical, and the outer side wall of the top end of the container body 3 is provided with an external thread, and the inner side wall of the container cover 4 is provided with an internal thread. The container cover 4 is in threaded connection with the container body 3, and a third sealing gasket 13 is arranged between the inner wall of the container cover 4 and the container body 3; the detachable connection is realized through threads, and the sealing performance is ensured by arranging a third sealing gasket 13.

Example 3

As shown in figures 3-5, the main body of the sealed container is a container body 1, which can reduce the volume at will to realize fresh-keeping storage. The inner cavity of the container body 1 is sealed, and the size of the inner cavity can be adjusted by the container body 1 through compression deformation. The container body 1 is provided with the gas-liquid one-way valve 2, and when the inner cavity of the container body 1 is shrunk, gas or liquid in the inner cavity of the container body 1 can be discharged outside through the gas-liquid one-way valve 2.

The container body 1 includes a container body 3 and a container cover 4, and the container body 3 includes at least two contracted bodies 3 a. Two adjacent shrink bodies 3a are connected end to end in a shrinkage mode, the upper shrink body 3a can shrink in the cavity of the lower shrink body 3a, and the outer side wall of the upper shrink body 3a is in sealing connection with the inner side wall of the lower shrink body 3 a. The bottommost contraction body 3a is in a cylindrical shape with an open upper end and a closed lower end, the other contraction bodies 3a except the bottommost contraction body 3a are in a cylindrical shape penetrating through the upper and lower parts, and the container cover 4 is detachably arranged on the top end opening of the topmost contraction body 3a in a covering mode. The container body 3 is formed by connecting a plurality of sections of contracting bodies 3a end to end, the size of the inner cavity of the container body 3 is adjusted in a section-by-section contracting mode, the design is ingenious, the structure is simple, the manufacturing cost is low, the contracted container body 3 occupies small space and is easy to carry. The outside of the port of the upper section contraction body 3a and the inside of the port of the lower section contraction body 3a are both provided with fillets, and the fillets play a role in convenient assembly.

Preferably, the container cover 4 is provided with a mounting hole, and the gas-liquid one-way valve 2 is fixedly inserted in the mounting hole. The gas-liquid one-way valve 2 comprises a valve body shell 7, a first sealing gasket 8, a plug 9 and a return spring 10, wherein the bottom of the valve body shell is provided with a first exhaust hole A, the interior of the valve body shell is hollow, and the top of the valve body shell is open, and the first sealing gasket, the plug 9 and the return spring 10 are sequentially installed in the valve body shell 7 from bottom to top. The valve body housing 7 includes a stainless steel bolt 7b and a stainless steel nut 7a, and the end of the stainless steel bolt 7b is located inside the container cover. The first exhaust hole A, the hollow inner part and the open top structure are arranged on the stainless steel bolt 7b, the lower end of the stainless steel nut 7a is screwed into the rod part of the stainless steel bolt 7b from the outer side of the container cover 4 for locking and fixing, and the upper end of the stainless steel nut 7a is screwed with the adjusting screw 11. A third exhaust hole C corresponding to the first exhaust hole A is formed in the first sealing gasket 8, the plug 9 is used for being plugged on the third exhaust hole C, the upper end of the return spring 10 abuts against the adjusting screw 11, the lower end of the return spring abuts against the plug 9, a second exhaust hole B is formed in the adjusting screw 11, and the initial pressure for opening the plug 9 can be adjusted by screwing the adjusting screw 11. Second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4. The gas-liquid one-way valve 2 is arranged on the container cover 4, when the inner cavity of the container body 3 is reduced, the first sealing gasket 8, the plug 9, the return spring 10 and the adjusting screw 11 are combined, and the adjusting screw 11 is screwed to adjust the initial pressure of the plug 9 to open, so that the gas or liquid in the inner cavity of the container body 3 can be discharged outwards, and the quality guarantee period of food is prolonged; second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4, so that the sealing performance can be ensured.

Preferably, the container cover 4 is provided with a mounting hole, and the gas-liquid one-way valve 2 is fixedly inserted in the mounting hole. The gas-liquid one-way valve 2 comprises a valve body shell 7, a first sealing gasket 8 and a plug 9, wherein the bottom of the valve body shell is provided with a first exhaust hole A, the interior of the valve body shell is hollow, and the top of the valve body shell is open, and the first sealing gasket and the plug 9 are sequentially arranged in the valve body shell 7 from bottom to top. And a third exhaust hole C corresponding to the first exhaust hole A is formed in the first sealing gasket 8, and the plug 9 is plugged on the third exhaust hole C by means of self weight. The valve body housing 7 includes a stainless steel bolt 7b and a stainless steel nut 7a, and the end of the stainless steel bolt 7b is located inside the container lid 4. The first exhaust hole A, the hollow inner part and the open top structure are arranged on the stainless steel bolt 7b, and the stainless steel nut 7a is screwed into the rod part of the stainless steel bolt 7b from the outer side of the container cover 4 for locking and fixing. Second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4. The plug 9 forms a seal on the third vent hole C by means of self-weight, when the inner cavity of the container body 3 shrinks, the plug 9 moves upwards under the action of the internal pressure of the container body 3, so that the inner cavity of the container body 3 is communicated with the outside, and the gas or liquid in the inner cavity of the container body 3 is discharged outwards; second sealing gaskets 12 are respectively arranged between the end of the stainless steel bolt 7b and the inner wall of the container cover 4 and between the stainless steel nut 7a and the outer wall of the container cover 4, so that the sealing performance can be ensured.

Preferably, the top end of the container body 3 and the container lid 4 are both cylindrical, and the outer side wall of the top end of the container body 3 is provided with an external thread. The inner side wall of the container cover 4 is provided with internal threads, the container cover 4 is in threaded connection with the container body 3, and a third sealing gasket 13 is arranged between the inner wall of the container cover 4 and the container body 3; the detachable connection is realized through threads, and the sealing performance is ensured by arranging a third sealing gasket 13.

Preferably, the outer side wall of the lower end of the rest of the contraction bodies 3a except the contraction body 3a at the bottommost end is provided with a second elastic sealing ring 14 along the circumferential direction. The adjacent two sections of the contraction bodies 3a are connected in a sliding and sealing mode through second elastic sealing rings 14. The inner side wall of the upper end of the rest of the contraction bodies 3a except the contraction body 3a at the topmost end is circumferentially provided with a clamping groove 15 used for clamping the second elastic sealing ring 14, and the depth of the clamping groove 15 is gradually increased from bottom to top. When the second elastic sealing ring 14 is positioned at the top of the clamping groove 15, the second elastic sealing ring 14 can only be driven to move downwards; by arranging the clamping groove 15, the two adjacent shrinkage bodies 3a are prevented from being separated due to the excessive extension of the shrinkage bodies 3 a.

Claims

1. The utility model provides a can reduce the sealed container that volume realized fresh-keeping storage at will, includes container body (1), its characterized in that: the inner cavity of the container body (1) is sealed, the size of the inner cavity of the container body (1) can be adjusted through compression deformation, the gas-liquid one-way valve (2) is arranged on the container body (1), and when the inner cavity of the container body (1) shrinks, gas or liquid in the inner cavity of the container body (1) can be discharged outside through the gas-liquid one-way valve (2).

2. The sealable container of claim 1, wherein the volume of the container is optionally reduced to provide fresh-keeping storage, the container comprising: container body (1) is including the container body (3) and container lid (4), the container body (3) is the open straight tube-shape of lower extreme confined of upper end, container lid (4) set up in the inner chamber of the container body (3), are provided with first elasticity sealing washer (5) along the border of container lid (4), container lid (4) and first elasticity sealing washer (5) cooperation form sealedly to the inner chamber of the container body (3), just container lid (4) and first elasticity sealing washer (5) can be followed the inside wall of the container body (3) and slide from top to bottom to the inner chamber size of the regulation container body (3).

3. The sealable container of claim 1, wherein the volume of the container is optionally reduced to provide fresh-keeping storage, the container comprising: container body (1) is including the container body (3) and container lid (4), the upper end of the container body (3) is provided with the opening, container lid (4) detachably lid is established on the opening, the interval is provided with a plurality of rings of creases from top to bottom on the lateral wall of the container body (3), and the lateral wall of the container body (3) can be followed the folding compression of crease to the inner chamber size of the regulation container body (3).

4. The sealable container of claim 1, wherein the volume of the container is optionally reduced to provide fresh-keeping storage, the container comprising: the container body (1) comprises a container body (3) and a container cover (4), the container body (3) comprises at least two sections of shrinkage bodies (3a), the two adjacent shrinkage bodies (3a) are in head-to-tail shrinkage connection, the upper section of shrinkage body (3a) can be shrunk in a cavity of the lower section of shrinkage body (3a), the outer side wall of the upper section of shrinkage body (3a) is in sealing connection with the inner side wall of the lower section of shrinkage body (3a), the bottommost shrinkage body (3a) is a cylinder with the upper end opened and the lower end closed, the rest shrinkage bodies (3a) except the shrinkage body (3a) at the bottommost end are all cylinders which are penetrated from top to bottom, and the container cover (4) is detachably covered on the top end opening of the shrinkage body (3a) at the topmost end.

5. A sealed container with optionally reduced volume for fresh-keeping storage according to claim 2, wherein: the container cover (4) is arched, the gas-liquid one-way valve (2) comprises a valve body shell (7) which is provided with a first exhaust hole (A), is hollow inside and has an opened top, and a first sealing gasket (8), a plug (9) and a return spring (10) which are sequentially installed in the valve body shell (7) from bottom to top, the valve body shell (7) is integrally formed in the middle of the container cover (4), the first exhaust hole (A) is communicated with the inner cavity of the container body (3), the top of the valve body shell (7) is fixed with a fixing plug (6), an adjusting screw (11) is screwed in the fixing plug (6), a third exhaust hole (C) corresponding to the first exhaust hole (A) is formed in the first sealing gasket (8), the plug (9) is used for plugging the third exhaust hole (C), and the upper end of the return spring (10) is abutted to the adjusting screw (11), the lower end of the adjusting screw is abutted against the plug (9), a second exhaust hole (B) is formed in the adjusting screw (11), and the initial pressure for opening the plug (9) can be adjusted by screwing the adjusting screw (11).

6. A sealed container with a reduced volume for fresh-keeping storage according to any one of claims 2 to 4, wherein: the container cover (4) is provided with a mounting hole, the gas-liquid one-way valve (2) is fixedly inserted into the mounting hole, the gas-liquid one-way valve (2) comprises a valve body shell (7) which is provided with a first exhaust hole (A) at the bottom, is hollow inside and is open at the top, and a first sealing gasket (8), a plug (9) and a return spring (10) which are sequentially arranged in the valve body shell (7) from bottom to top, the valve body shell (7) comprises a stainless steel bolt (7b) and a stainless steel nut (7a), the end of the stainless steel bolt (7b) is positioned on the inner side of the container cover, the first exhaust hole (A) and the hollow inside and open top structure are arranged on the stainless steel bolt (7b), the lower end of the stainless steel nut (7a) is screwed into the rod part of the stainless steel bolt (7b) from the outer side of the container cover (4) for locking and fixing, and an adjusting screw (11) is screwed into the upper end of the stainless steel nut (7a), open third exhaust hole (C) that have and first exhaust hole (A) position to correspond on first sealed pad (8), end cap (9) are used for the end cap to block up on third exhaust hole (C), and the upper end of return spring (10) supports on adjusting screw (11), and the lower extreme supports on end cap (9), adjusting screw (11) are gone up to open and are had second exhaust hole (B), move adjusting screw (11) through twisting and can adjust the initial pressure that end cap (9) were opened, install second sealed pad (12) between the end of stainless steel bolt (7B) and container lid (4) inner wall, between stainless steel nut (7a) and container lid (4) outer wall respectively.

7. A sealed container with a reduced volume for fresh-keeping storage according to any one of claims 2 to 4, wherein: the container cover (4) is provided with a mounting hole, the gas-liquid one-way valve (2) is fixedly inserted into the mounting hole, the gas-liquid one-way valve (2) comprises a valve body shell (7) which is provided with a first exhaust hole (A) at the bottom, is hollow inside and is opened at the top, and a first sealing gasket (8) and a plug (9) which are sequentially arranged in the valve body shell (7) from bottom to top, the first sealing gasket (8) is provided with a third exhaust hole (C) corresponding to the first exhaust hole (A), and the plug (9) is plugged on the third exhaust hole (C) by means of self weight; the valve body shell (7) comprises a stainless steel bolt (7b) and a stainless steel nut (7a), the end of the stainless steel bolt (7b) is located on the inner side of the container cover (4), the first exhaust hole (A), the inner hollow structure and the top opening structure are arranged on the stainless steel bolt (7b), the stainless steel nut (7a) is screwed into the rod part of the stainless steel bolt (7b) from the outer side of the container cover (4) to be locked and fixed, a second sealing gasket (12) is arranged between the end of the stainless steel bolt (7b) and the inner wall of the container cover (4), and a second sealing gasket (12) is arranged between the stainless steel nut (7a) and the outer wall of the container cover (4).

8. A sealed container with optionally reduced volume for fresh-keeping storage according to claim 2, wherein: the container body (3) is in a circular straight cylinder shape or a polygonal straight cylinder shape, and the gas-liquid one-way valve (2) is fixedly inserted on the side wall of the container body (3).

9. A sealed container with a reduced volume for fresh-keeping storage according to any one of claims 3 to 4, wherein: the top and the container lid (4) of the container body (3) are cylindricly, be provided with the external screw thread on the lateral wall of the top of the container body (3), be provided with the internal thread on the inside wall of the container lid (4), container lid (4) and container body (3) threaded connection, and be provided with the sealed pad (13) of third between the inner wall of the container lid (4) and the container body (3).

10. The sealable container of claim 4, wherein the volume of the container is optionally reduced to provide fresh-keeping storage, the container comprising: except the bottommost contraction body (3a), the outer side wall of the lower end of the rest of the contraction bodies (3a) is circumferentially provided with a second elastic sealing ring (14), two adjacent sections of the contraction bodies (3a) are connected in a sliding sealing mode through the second elastic sealing ring (14), the inner side wall of the upper end of the rest of the contraction bodies (3a) except the topmost contraction body (3a) is circumferentially provided with a clamping groove (15) used for clamping the second elastic sealing ring (14), the depth of the clamping groove (15) is gradually increased from bottom to top, and when the second elastic sealing ring (14) is located at the top of the clamping groove (15), the second elastic sealing ring (14) can only be driven to move downwards.