CN214398014U

CN214398014U - A kind of container

Info

Publication number: CN214398014U
Application number: CN202022576565.8U
Authority: CN
Inventors: 张晓薇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-10-15
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a container, which comprises a box body, a cover body and an exhaust cover; the box body comprises a bottom, a main side wall and a buckling part, wherein the main side wall extends upwards from the edge of the bottom, and the buckling part is formed at the tail end of the main side wall; the cover body comprises a top part and a covering part arranged on the edge of the top part, the covering part is detachably matched with the buckling part in a sealing way, and an exhaust port is arranged on the top part; the exhaust cover includes a covering portion that can close or open the exhaust port when the pressure in the case body changes. When the pressure in the box body is increased, the air can be exhausted through the air outlet, and when the pressure in the box body is reduced, the air can be introduced through the air outlet; when the internal and external pressures in the box body are balanced, the exhaust port can be sealed by the exhaust cover, so that the introduction of harmful substances such as dust and the like can be effectively avoided while the automatic adjustment according to different pressures in the box is realized.

Description

A kind of container

Technical Field

The utility model relates to a food and beverage equipment technical field, in particular to container.

Background

With the acceleration of life rhythm, a plurality of takeaway and life service platforms appear, people can order required takeaway, such as fast food and the like, without leaving the house through the service platforms, and at present, the takeaway boxes are used for containing food and sealing the boxes.

When using the take-out box, the following situations may arise: (1) when the takeaway box is placed in a microwave oven for heating, the takeaway box is easy to deform or burst due to the increased pressure in the takeaway box; (2) if boiled food is contained in the takeaway box, the pressure in the takeaway box is reduced when the temperature in the takeaway box is reduced, so that the takeaway box is easy to deform inwards; (3) in the catering takeout packaging process which takes a lot of seconds, the cooked hot food needs to be put into the takeout box and covered at the first time, so that the problem of flatulence is easy to occur; caps provided with premolded fixed vents or no leak-proof design are generally used in the market to prevent flatulence.

Therefore, the takeaway box in the prior art has the problems that the takeaway box cannot be automatically adjusted according to different pressures in the box, and leakage and flatulence cannot be simultaneously prevented, so that inconvenience is brought to the use of people.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, the defect that the aforesaid takeaway box to prior art can not be according to the different pressure automatically regulated in the box provides a container.

The utility model provides a technical scheme that its technical problem adopted is: constructing a container comprising:

the box body comprises a bottom, a main side wall and a buckling part, wherein the main side wall extends upwards from the edge of the bottom, and the buckling part is formed at the tail end of the main side wall;

the cover body comprises a top part and a covering part arranged on the edge of the top part, the covering part is detachably matched with the buckling part in a sealing way, and an exhaust port is arranged on the top part; and the number of the first and second groups,

and the exhaust cover comprises a covering part which can close or open the exhaust port when the pressure in the box body changes.

Preferably, a protrusion is arranged on one side surface of the covering part close to the air outlet, the size of the protrusion is gradually reduced from the root part of the protrusion along the protrusion direction, and the size of the root part of the protrusion is larger than that of the air outlet.

Preferably, the exhaust cover is rotatably connected to the edge of the buckling part of the box body through a flexible connecting part; or the exhaust cover is rotatably connected to the edge of the covering part of the cover body through a flexible connecting part;

the cross section of the connecting part is matched with that of the covering part.

Preferably, the exhaust cover further includes a fixing portion provided between the connecting portion and the covering portion;

the top is provided with a fixing hole, and the fixing part is provided with a fixing protrusion corresponding to the fixing hole; or the fixing part is provided with a fixing hole, and the top part is provided with a fixing protrusion corresponding to the fixing hole;

wherein the size of the fixing protrusion is slightly larger than that of the fixing hole.

Preferably, the fixing part is formed by extending the connecting part and/or the covering part; or,

the fixing part is obtained by extending the connecting part, and the fixing part is connected with the covering part through a plurality of connecting teeth distributed at intervals, or the fixing part is connected with the covering part through a thin-structure connecting sheet.

Preferably, one side of the top of the cover body, which is close to the covering part, protrudes upwards to form a convex part, and two sides of the convex part are respectively arranged in an inclined manner towards the top and the covering part;

the fixing hole is arranged on the convex part; alternatively, the fixing protrusion is provided on the convex portion;

the cross section of the fixing part is matched with that of the convex part.

Preferably, the cover body is provided with a recess for accommodating the fixing portion and the covering portion, and the recess includes a first recess corresponding to the fixing portion and a second recess corresponding to the covering portion; wherein the depth of the first recess is substantially equal to the thickness of the fixing portion, and the depth of the second recess is greater than the thickness of the covering portion.

Preferably, the buckling part is provided with an n-shaped cross section, the covering part is provided with an n-shaped cross section matched with the buckling part so as to be connected with the buckling part in a nested manner, and one or more inosculating structures for enhancing the connection strength are arranged at the nested connection position of the covering part and the buckling part.

The inosculating structure comprises a convex rib and/or a groove arranged on the side part of the buckling part, and a groove which is arranged on the corresponding part of the covering part and is matched with the convex rib of the buckling part and/or a convex rib which is arranged on the corresponding part of the covering part and is matched with the groove of the buckling part.

Preferably, the end part of the covering part is flush with the end part of the buckling part; the end part at one or more positions of the covering part extends upwards to form a groove part;

the container also comprises a lifting part which is arranged on the groove part and is rotatably connected with the covering part, and the lifting part is connected with the covering part on at least one side through a breakable anti-theft structure to form a breakable area.

Implement the utility model discloses a container has following beneficial effect:

when the pressure in the box body is increased, the air can be exhausted through the air outlet, and when the pressure in the box body is reduced, the air can be introduced through the air outlet; when the internal and external pressures in the box body are balanced, the exhaust port can be sealed by the exhaust cover, so that the introduction of harmful substances such as dust and the like can be effectively avoided while the automatic adjustment according to different pressures in the box is realized.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic perspective view of a first embodiment of a container according to the present invention;

FIG. 2 is a perspective view of the container of FIG. 1 in another configuration;

FIG. 3 is a side view of the container shown in FIG. 1;

FIG. 4 is a top view of the container shown in FIG. 1;

FIG. 5 is a schematic view of the J-J structure shown in FIG. 4;

FIG. 6 is a cross-sectional view taken along line K-K of FIG. 4;

FIG. 7 is an enlarged view of area A of FIG. 1;

FIG. 8 is an enlarged view of area B of FIG. 4;

FIG. 9 is an enlarged view of area C of FIG. 6;

FIG. 10 is an enlarged view of area D of FIG. 6;

fig. 11 is a schematic perspective view of a second embodiment of the container of the present invention;

FIG. 12 is an enlarged view of area E of FIG. 11;

fig. 13 is an enlarged view of region F in fig. 11.

In the drawing, 1, a box body, 11, a bottom, 12, a main side wall, 13, a buckling part, 2, a cover body, 21, a top, 211, an air outlet, 212, a convex part, 22, a covering part, 221, a groove part, 23, a concave part, 231, a first concave part, 232, a second concave part, 3, an air exhaust cover, 31, a covering part, 311, a protrusion, 312, a reinforcing rib, 32, a fixing part, 321, a fixing hole, 322, a fixing protrusion, 4, a connecting part, 41, a fillet, 51, a connecting tooth, 52, an anti-theft structure, 6, a matching structure, 61, a convex rib, 62, 7, a lifting part, 8, a reinforcing rib, 9, a tight structure, 91, a tight convex rib and 92, tight grooves are arranged.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, in conjunction with the examples and the accompanying drawings, is intended to illustrate the present invention in further detail, and the exemplary embodiments and the description thereof are only used for explaining the present invention, and are not intended to limit the present invention.

As shown in fig. 1-4, the structure of the first embodiment of the container of the present invention is schematically illustrated, and the same as the container in the prior art, the container includes a box body 1 for containing food and a cover body 2 for covering the box body 1, the box body 1 includes a bottom 11, a main sidewall 12 extending upward from the edge of the bottom 11, and a fastening portion 13 formed at the end of the main sidewall 12 (shown in fig. 5), the cover body 2 includes a top 21 and a cover closing portion 22 disposed at the edge of the top 21, wherein the cover body 2 can be detached from the fastening portion 13 of the box body 1 through the cover closing portion 22 to form a sealed space in the container, so as to achieve the safe transportation of food.

In this embodiment, the container is provided with an adjusting means which is automatically adjustable according to different air pressures in the container/case 1, the adjusting means comprises an air outlet 211 arranged on the top 21, and an air outlet cover 3 arranged on the container, the air outlet cover 3 comprises a covering part 31, and the covering part 31 can close the air outlet 211 or open the air outlet 211. It can be understood that, when the cover 2 is tightly fitted with the box 1, the cover 31 closes or opens the air outlet 211 according to the air pressure change in the container/box 1, so as to maintain the balance between the air pressure inside and outside the container/box 1, and prevent the container from deforming or breaking and affecting the use, wherein the shape of the air outlet 211 can be circular or any other shape.

The covering part 31 of the exhaust cover 3 is arranged corresponding to the exhaust port 211, the exhaust cover 3 can rotate around the connection part of the exhaust cover and the container, and the exhaust port 211 is closed or opened through the covering part 31. In the present embodiment, the exhaust cover 3 is rotatably connected to the edge of the covering portion 22 of the cover body 2 through the flexible connecting portion 4, and the exhaust cover 3, the connecting portion 4 and the cover body 2 can be integrally formed. It can be understood that the exhaust cover 3 rotates around the edge of the covering portion 22 to cover the covering portion 31 to the opening of the exhaust port 211 of the top portion 21, wherein the cross section of the connecting portion 4 matches the cross section of the covering portion 22 so as to be able to be inserted into the upper portion of the covering portion 22. In some embodiments, the venting cover 3 may also be rotatably connected to the top 21 of the cover 2 by a flexible connection 4; alternatively, the exhaust cover 3 may be rotatably connected to the edge of the fastening portion 13 of the case 1 by the flexible connection portion 4.

Further, one side surface of the covering portion 31 near the air outlet 211 is provided with a protrusion 311, the protrusion 311 corresponds to the air outlet 211 and can close or open the air outlet 211, wherein the size of the protrusion 311 is larger than that of the air outlet 211. Specifically, as shown in fig. 6 and 9, the size of the protrusion 311 decreases from the root thereof along the protrusion direction, the size of the root of the protrusion 311 is larger than the size of the exhaust port 211, the cross section of the protrusion 311 is a circle shape matching the shape of the exhaust port 211, or any other shape matching the shape of the exhaust port 211, wherein the protrusion 311 is disposed in a hemispherical shape.

Further, the covering part 31 is provided with a reinforcing rib 312 for reinforcing the structural strength thereof, and it can be understood that when the air pressure in the container is reduced to form a depression in the container, the reinforcing rib 312 keeps the covering part 31 in a flat state, so that an air intake space is formed between the protrusion 311 of the covering part 31 and the air outlet 211 of the top part 21. As shown in fig. 7, the reinforcing ribs 312 are arranged on the cover 31 on the side of the protrusions 311 in a grid pattern, but the reinforcing ribs 312 may be arranged in any other shape that can enhance the structural strength of the cover 31.

It can be understood that, when the air pressure in the container/box body 1 is greater than or less than the external air pressure, the protrusion 311 is separated from the air outlet 211, and air is introduced or exhausted through the air outlet 211, so as to achieve the balance of the air pressure inside and outside the container/box body 1; when the air pressure inside and outside the container/case 1 is balanced, the covering portion 31 is inserted into the air outlet 211 through the hemispherical protrusion 311 to close the air outlet 211. In this embodiment, the hemispherical protrusion 311 is arranged, so that the hot air/water vapor in the container/box body 1 can push the protrusion 311 away, thereby effectively preventing the container from being inflated; the protrusion 311 can be tightly matched with the exhaust port 211, so that the interior of the container is in a closed state, a leakage-proof effect is achieved, and harmful substances such as dust are effectively prevented from being introduced.

As shown in fig. 2, the flexible connecting portion 4 has a weak portion around which the connecting portion 4 can be opened or folded, and when the covering portion 31 of the exhaust cap 3 closes the exhaust port 211, opposite sides of the folded connecting portion 4 have rounded corners 41, which can prevent scratches, tears and thus damages of a plastic bag for storing and carrying the container, and can also prevent injury to a user, wherein the flexible connecting portion 4 can employ a hinge structure.

Further, the exhaust cover 3 further includes a fixing portion 32 disposed between the connecting portion 4 and the covering portion 31, the exhaust cover 3 and the connecting portion 4 may be integrally formed, wherein the top portion 21 is provided with a fixing hole 321, the fixing portion 32 is provided with a fixing protrusion 322 corresponding to the fixing hole 321, the fixing protrusion 322 may be inserted into the fixing hole 321 and fixed, preferably, the size of the fixing protrusion 322 is slightly larger than the size of the fixing hole 321, wherein the fixing hole 321 is circular, the cross section of the fixing protrusion 322 is circular with a diameter slightly larger than the diameter of the fixing hole 321, the fixing protrusion 322 is disposed in a hollow manner or a cylindrical manner, and the end portion thereof is in smooth transition. It is understood that the fixing hole 321 may have any other shape, and the fixing protrusion 322 may have any other shape matching the position of the fixing hole 321.

In some embodiments, the fixing portion 32 is provided with a fixing hole 321, and the top portion 21 is provided with a fixing protrusion 322 corresponding to the fixing hole 321, it can be understood that, by the fixing protrusion 322 being engaged with the fixing hole 321, the distance between the connecting portion 4 and the container and the covering portion 31 is also shortened, and the time from when the covering portion 31 is restored to the top portion 21 after opening the air outlet 211 is shortened.

The fixing portion 32 is extended from the connecting portion 4, the fixing portion 32 is connected to the covering portion 31 through a connecting structure, when the air pressure in the container increases, a force pushing the protrusion 311 upwards is generated, and the covering portion 31 can rotate around the connecting portion of the fixing portion 32 to be away from the top portion 21 of the cover body 2, so as to open the air outlet 211. As shown in fig. 7 to 8, the fixing portion 32 is connected to the covering portion 31 by a plurality of connecting teeth 51 distributed at intervals, wherein the connecting teeth 51 are arranged from the direction of the fixing portion 32 to the direction of the covering portion 31. It will be appreciated that the size of the coupling tooth 51 is small, and the length thereof is smaller than the thickness of the covering portion 31, which effectively prevents the covering portion 31 from being turned over toward the side of the fixing portion 32.

In some embodiments, the fixing portion 32 is connected to the covering portion 31 by a thin structural web, the covering portion 31 also being rotatable about its connection to the fixing portion 32; in some embodiments, the fixing portion 32 is extended from the connecting portion 4 and/or the covering portion 31, and the exhaust cover 3 is very thin and has a uniform thickness, and can be pushed open as well. The connection part of the fixing part 32 and the covering part 31 is arc-shaped, and the arc is bent from the direction of the fixing part 32 to the direction of the covering part 31, so that the covering part 31 is effectively ensured to be automatically reset after leaving the top part 21.

Wherein, the cross section of the connecting part 4 matches with the cross section of the covering part 22 of the cover body 2, as shown in fig. 2, the covering part 22 has an n-shaped cross section, the connecting part 4 has an n-shaped cross section matching with the cross section of the covering part 22, the connecting part 4 is nested on the upper part of the covering part 22, and the air exhausting cover 3 covers on the surface of the top part 21.

As shown in fig. 1, the cover body 2 is provided with a concave portion 23 for accommodating the venting cover 3, the concave portion 23 comprises a first concave portion 231 corresponding to the fixing portion 32 and a second concave portion 232 corresponding to the covering portion 31, wherein the depth of the first concave portion 231 is substantially equal to the thickness of the fixing portion 32, and the depth of the second concave portion 232 is greater than the thickness of the covering portion 31, it can be understood that, when the venting cover 3 covers the concave portion 23 and the containers are stacked on the upper portion of the containers, as shown in fig. 2, 6 and 9, the venting space of the venting port 211 can still be formed between the second concave portion 232 and the covering portion 31 of the containers, so as to ensure the effect of keeping the air pressure inside and outside the containers balanced when a plurality of containers are stacked. It is understood that when the exhaust cover 3 is overlaid on the concave portion 23, the bottom surface of the fixing portion 32 is in contact with the surface of the first concave portion 231, and the outer surface of the fixing portion 32 is flush with the outer surface of the top portion 21.

As shown in fig. 5-6 and fig. 10, the buckling portion 13 has an n-shaped cross section, the cross section of the covering portion 22 is an n-shaped cross section matched with the cross section of the buckling portion 13, the covering portion 22 is nested on the upper portion of the buckling portion 13 to be hermetically matched with the buckling portion 13, and one or more matching structures 6 for enhancing the connection strength are arranged at the nesting connection position of the covering portion 22 and the buckling portion 13.

The inosculating structure 6 is a structure which can be matched with the buckling part 13 and the covering part 22 in a concave-convex way, wherein the inosculating structure 6 comprises a convex rib 61 and/or a groove 62 which are arranged on the side wall of the buckling part 13, and a groove 62 which is arranged on the corresponding part of the covering part 22 and is matched with the convex rib 61 of the buckling part 13 and/or a convex rib 61 which is matched with the groove 62 of the buckling part 13. As shown in fig. 10, in the present embodiment, the side wall of the engaging portion 13 is provided with a rib 61 and a groove 62 from top to bottom at a position close to the end, and correspondingly, the covering portion 22 is provided with a groove 62 and a rib 61 at a position corresponding to the engaging portion 13. The convex rib 61 is formed by the buckling part 13/the covering part 22 protruding outwards, and the concave groove 62 is formed by the buckling part 13/the covering part 22 sinking inwards. Of course, in some embodiments, the mating pattern and the location of the placement of the anastomosis structure 6 may be otherwise configured.

Further, one or more tight structures 9 for enhancing the airtight effect are arranged at the nesting connection position of the covering part 22 and the buckling part 13, the tight structures 9 are structures which can be matched with the buckling part 13 and the covering part 22 in a concave-convex manner, respectively, wherein the tight structures 9 comprise a tight convex rib 91 and/or a tight groove 92 which are arranged at the upper part of the buckling part 13, and a tight groove 92 which is arranged at the corresponding position of the covering part 22 and is matched with the tight convex rib 91 of the buckling part 13 and/or a tight convex rib 91 which is matched with the tight groove 92 of the buckling part 13. In the present embodiment, as shown in fig. 10, a close groove 92 is formed at the middle of the upper portion of the buckling portion 13, and correspondingly, the covering portion 22 is provided with a matching close rib 91 at a corresponding portion of the buckling portion 13. Wherein, the tight groove 92 is formed by the inward concave of the buckling part 13, and the tight convex rib 91 is formed by the convex of the covering part 22 towards the inner side. Of course, in some embodiments, the manner of fitting and the position of arrangement of the tightening structure 9 may be arranged in other forms. It can be understood that when the engaging portion 13 is fully engaged with the engaging structure 6 of the covering portion 22, the sealing rib 91 and the sealing groove 92 of the sealing structure 9 will be naturally pressed together, thereby achieving the effect of air-tight and leakage-proof.

The end of the covering part 22 is flush with the end of the buckling part 13, and understandably, the end of the covering part 22 is flush with the end of the buckling part 13, and the matching structure 6 and the compact structure 9 are arranged between the covering part 22 and the end, so that the covering part 22 and the buckling part 13 are difficult to open after being nested and matched, in the embodiment, one or more lifting parts 7 are arranged on the covering part 22, and the lifting parts 7 can be used as handles to facilitate a user to open the container.

As shown in fig. 1-2, a groove 221 is formed at one or more positions of the covering portion 22, the groove 221 can be formed by extending the end portion of the buckling portion 13 upwards, a lifting portion 7 rotatably connected to the covering portion 22 is formed on the groove 221, two sides of the lifting portion 7 are separated from the covering portion 22, and the lifting portion 7 extends downwards and shields the main sidewall 12 so as to be grabbed by a user. Wherein, the side of the lifting part 7 corresponding to the buckling part 13 is provided with a groove and a convex rib which are matched with the convex rib 61 and the groove 62 on the buckling part 13, and the lifting part 7 can be fixed on the buckling part 13 through the structure. Preferably, the lifting portion 7 extends obliquely downward to form an outward-turned handle for facilitating lifting by a user, and the groove portion 221 extends upward from an end of the engaging portion 13 to a top end of the engaging portion 13.

Wherein, both sides of the lifting part 7 are separated from the covering part 22, a connecting space is formed between the two, the lifting part 7 is connected with the covering part 22 on at least one side through the breakable anti-theft structure 52, and a breakable area is formed. The anti-theft structure 52 can be disposed in the connection space on both sides and corresponding to the position of the covering portion 22 near the end or the end, and the size of the anti-theft structure 52 is smaller than the size of the connection space, so that the anti-theft structure 52 is easily damaged to use the pulling portion 7.

The anti-theft structure 52 is a thin structure connector, the connector is arranged in a sheet shape, specifically, the thickness of the anti-theft structure 52 is smaller than the thickness of the free end of the covering part 22 and the thickness of the lifting part 7, the anti-theft structure 52 is connected on the outer surfaces of the covering part 22 and the lifting part 7, and two sides of the lifting part 7 are smoothly arranged. In some embodiments, a plurality of anti-theft structures 52 are provided in the connecting space at intervals in the height direction. It can be understood that when the cover body 2 is lifted and opened by the lifting part 7, the anti-theft structure 52 is damaged and can not be restored, thereby playing an anti-theft role and effectively preventing the food from being opened by others during the transportation process. Of course, the anti-theft structure 52 may be any other shape.

In this embodiment, the container body 1 and the cover are rectangular, and in some embodiments, may be round, square, or any other shape. The container may be made of food grade plastic or other materials and may be used as a take-away container, a microwave oven container, and daily tableware.

As shown in fig. 11-13, a schematic structural diagram of a second embodiment of the container of the present invention, which is different from the first embodiment, is that a convex portion 212 for increasing the accommodation space of the cover 2 is provided on the cover 2, the convex portion 212 is formed by protruding upward from a side of the top portion 21 of the cover 2 close to the covering portion 22, two sides of the convex portion 212 are respectively disposed to incline toward the top portion 21 and the covering portion 22, wherein a cross section of the fixing portion 32 matches a cross section of the convex portion 212, the fixing protrusion 322 is provided on the fixing portion 32, and the fixing hole 321 is provided on the convex portion 212; alternatively, the fixing hole 321 is provided on the fixing portion 32, and the fixing protrusion 322 is provided on the convex portion 212.

It will be appreciated that the fixing portion 32 overlies the upper portion of the protrusion 212, the covering portion 31 overlies the top portion 21 of the cover 2, and the protrusion 212 and the top portion 21 have a height difference, so that when the air pressure in the container/case 1 increases and pushes the covering portion 31 open, the covering portion 31 can rotate around its connection with the fixing portion 32, and when the covering portion 31 rotates, the covering portion can rotate to the position of the protrusion 212 to the maximum extent, the protrusion 212 effectively blocks the covering portion 31 from turning over to the side of the protrusion 212, ensuring that when the air pressure in the container/case 1 is balanced, the covering portion 31 can automatically return to the position covering the top portion 21 and closing the air outlet 211.

The convex portion 212 and the covering portion 22 are connected by a connecting base, and the connecting base is provided with a plurality of reinforcing ribs 8, and the plurality of reinforcing ribs 8 are provided at intervals in the circumferential direction of the connecting base. It will be appreciated that the ribs 8 serve to reinforce the lid 2 so that the lid 2 is not easily deformed or deformed; at the same time, when a plurality of lid bodies 2 are placed one on top of the other, the reinforcing ribs 8 prevent the stacked lid bodies from being pressed together, so that they can be easily separated.

When the container of the first or second embodiment is used, food is placed in the case 1 and hermetically sealed by the lid 2, and the flexible connecting portion 4 is folded by rotation so that the fixing protrusions 322 are inserted into and fixed to the fixing holes 321; when the container is heated in a microwave oven, due to the temperature rise in the container/box 1, the instantly expanding hot/water vapor (pressure increase) pushes the protrusion 311 away, so that the cover 31 leaves the top 21 and the vapor is exhausted through the exhaust port 211; when the air pressure inside and outside the container/box body 1 approaches, the covering part 31 automatically resets and seals the air outlet 211 through the protrusion 311, so that the container forms a closed space, and harmful substances such as dust and the like are effectively prevented from falling into the container; when the boiling food is directly put into the container, the boiling food is discharged in the same way.

When the temperature in the container drops, causing the air in the container to shrink (the air pressure is reduced), the top 21 of the cover body 2 sinks, and the covering part 31 is kept flat by the reinforcing ribs 312 on the covering part, so that the second concave part 232 is not consistent with the plane of the covering part 31, an air inlet space is formed between the protrusion 311 and the air outlet 211, and the external air enters the container from the air outlet 211; when the air pressure inside and outside the container/box body 1 approaches, the covering part 31 automatically resets, the concave part 23 receives the exhaust cover 3 and the protrusion 311 on the covering part 31 closes the exhaust port 211; so that the protrusions 311 keep closing the exhaust ports 211 after the completion of the intake or exhaust.

Because the inosculating structure 6 and the compact structure 9 are arranged between the covering part 22 and the buckling part 13, and the covering part 22 is arranged flush with the end part of the buckling part 13, once the box body 1 is sealed by the cover body 2, the box body is difficult to open, a user can pull the lifting part 7 to destroy the anti-theft structure 52, and pull the lifting part 7 as a handle to pull the cover body 2 open; it will be appreciated that the tamper-evident structure 52 is not reversible once broken, effectively preventing the container from being opened by others during transport.

The utility model discloses in, when the container internal pressure was high/was less than outside atmospheric pressure, this gas vent 211 was opened, and is balanced in order to maintain inside and outside atmospheric pressure through admitting air/exhaust, and this gas vent 211 keeps the encapsulated situation after atmospheric pressure is balanced, when realizing according to the different pressure automatically regulated in the container box body 1, effectively avoids introducing harmful substance such as dust.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A container, comprising:

the box body (1) comprises a bottom (11), a main side wall (12) extending upwards from the edge of the bottom (11), and a buckling part (13) formed at the tail end of the main side wall (12);

the cover body (2) comprises a top part (21) and a covering part (22) arranged at the edge of the top part (21), the covering part (22) is detachably matched with the buckling part (13) in a sealing way, and an exhaust port (211) is arranged on the top part (21); and the number of the first and second groups,

and the exhaust cover (3) comprises a covering part (31) which can close or open the exhaust port (211) when the pressure in the box body (1) changes.

2. The container according to claim 1, wherein a side surface of the covering portion (31) adjacent to the air outlet (211) is provided with a protrusion (311), a dimension of the protrusion (311) is decreased from a root thereof in a protrusion direction, and the root dimension of the protrusion (311) is larger than the dimension of the air outlet (211).

3. A container according to claim 1 or 2, wherein the venting cover (3) is rotatably connected at the edge of the snap-fit portion (13) of the box (1) by a flexible connection (4); or the exhaust cover (3) is rotatably connected to the edge of the covering part (22) of the cover body (2) through a flexible connecting part (4);

the cross section of the connecting part (4) is matched with that of the covering part (22).

4. A container according to claim 3, wherein the venting cover (3) further comprises a fixing portion (32) provided between the connecting portion (4) and the covering portion (31);

the top part (21) is provided with a fixing hole (321), and the fixing part (32) is provided with a fixing protrusion (322) corresponding to the fixing hole (321); or the fixing part (32) is provided with a fixing hole (321), and the top part (21) is provided with a fixing protrusion (322) corresponding to the fixing hole (321);

wherein the size of the fixing protrusion (322) is slightly larger than that of the fixing hole (321).

5. Container according to claim 4, wherein the fixing portion (32) is provided extending from the connecting portion (4) and/or the covering portion (31); or,

the fixing part (32) is formed by extending the connecting part (4), the fixing part (32) is connected with the covering part (31) through a plurality of connecting teeth (51) distributed at intervals, or the fixing part (32) is connected with the covering part (31) through a thin-structure connecting sheet.

6. The container according to claim 4, wherein one side of the top portion (21) of the cover body (2) close to the covering portion (22) is upwardly protruded to form a convex portion (212), and two sides of the convex portion (212) are respectively arranged in an inclined manner towards the top portion (21) and the covering portion (22);

the fixing hole (321) is provided on the convex portion (212); alternatively, the fixing protrusion (322) is provided on the convex portion (212);

the cross section of the fixing part (32) is matched with that of the convex part (212).

7. A container according to any one of claims 4 to 6, wherein the cover (2) is provided with a recess (23) for receiving the fixing portion (32) and the covering portion (31), the recess (23) comprising a first recess (231) corresponding to the fixing portion (32) and a second recess (232) corresponding to the covering portion (31); wherein a depth of the first recess (231) is substantially equal to a thickness of the fixing portion (32), and a depth of the second recess (232) is greater than a thickness of the covering portion (31).

8. The container according to claim 1, wherein the buckling portion (13) has an n-shaped cross section, the covering portion (22) has an n-shaped cross section matched with the buckling portion (13) to be connected with the buckling portion (13) in a nesting mode, and one or more connecting-strength-enhancing anastomosis structures (6) are arranged at the nesting connection position of the covering portion (22) and the buckling portion (13).

9. Container according to claim 8, characterized in that the engagement structure (6) comprises a rib (61) and/or a groove (62) provided at the side of the snap-fit portion (13), and a groove (62) matching the rib (61) of the snap-fit portion (13) and/or a rib (61) matching the groove (62) of the snap-fit portion (13) provided at a corresponding portion of the lid portion (22).

10. A container according to claim 8 or 9, wherein the end of the closure (22) is arranged flush with the end of the snap-fit portion (13); one or more end parts of the covering part (22) extend upwards to form a groove part (221);

the container further comprises a lifting part (7) which is arranged on the groove part (221) and is rotatably connected with the covering part (22), and the lifting part (7) is connected with the covering part (22) on at least one side through a breakable anti-theft structure (52) to form a breakable area.