CN112373935B - a container - Google Patents

Abstract

The invention discloses a container, which includes a box body, a cover body and an exhaust cover; the box body includes a bottom, a main side wall extending upward from the edge of the bottom, and a main side wall formed at the end of the main side wall The fastening part; the cover body includes a top and a covering part arranged on the edge of the top, the covering part and the fastening part are detachably and airtightly fitted, and the top is provided with an exhaust port; the The exhaust cover includes a covering part that can close or open the exhaust port when the pressure in the box changes. During the use of this container, when the pressure inside the box increases, it can exhaust through the exhaust port; when the pressure inside the box decreases, it can take in air through the exhaust port; when the pressure inside and outside the box is balanced, it can pass through the exhaust cover The exhaust port is closed to realize automatic adjustment according to different pressures in the box and effectively avoid the introduction of harmful substances such as dust.

Description

a container

technical field

The invention relates to the technical field of catering equipment, in particular to a container.

Background technique

With the acceleration of the pace of life, many food delivery and life service platforms have emerged. Through the service platform, people can order the food they need without leaving home, such as fast food. At present, most of these food products are served in food delivery boxes. food and cover.

When using the take-out box, the following situations may occur: (1) When the take-out box is heated in a microwave oven, the pressure inside the take-out box increases, which may easily cause the take-out box to deform or burst; (2) if the take-out box contains Put boiling food, when the temperature in the takeaway box drops, the pressure inside the box will decrease, which will easily cause the takeaway box to be deformed inward; (3) In the process of catering takeaway packaging that is racing against time, the freshly cooked food needs the first time Putting it in a takeaway box and closing the lid is prone to gas problems; however, the market generally uses lids with pre-molded fixed vent holes or no leak-proof design to prevent gas.

It can be seen from the above that the takeaway boxes in the prior art have the problems of not being able to automatically adjust according to different pressures in the box, and not being able to prevent leaks and flatulence at the same time, which brings a lot of inconvenience to people's use.

Contents of the invention

The technical problem to be solved by the present invention is to provide a container for the above-mentioned takeaway box in the prior art that cannot be automatically adjusted according to different pressures in the box.

The technical scheme that the present invention adopts to solve its technical problem is: construct a kind of container, comprise:

The box body includes a bottom, a main side wall extending upward from the edge of the bottom, and a fastening portion formed at the end of the main side wall;

The cover body includes a top and a cover portion arranged on the edge of the top, the cover portion is detachably fitted with the fastening portion, and the top is provided with an exhaust port; and,

The exhaust cover includes a covering part that can close or open the exhaust port when the pressure in the box changes.

Preferably, a protrusion is provided on the side surface of the covering portion close to the exhaust port, the size of the protrusion decreases from its root along the protrusion direction, and the root size of the protrusion is larger than the size of the exhaust port.

Preferably, the exhaust cover is rotatably connected to the edge of the fastening part of the box body through a flexible connection part; or, the exhaust cover is rotatably connected to the cover body through a flexible connection part. at the edge of the lid;

The cross-section of the connecting portion matches the cross-section of the covering portion.

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

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 is provided with a fixing protrusion corresponding to the fixing hole;

Wherein, the size of the fixing protrusion is slightly larger than the size of the fixing hole.

Preferably, the fixing part is extended from the connecting part and/or the covering part; or,

The fixing part is extended from the connecting part, and the fixing part is connected to the covering part through a plurality of connecting teeth distributed at intervals, or the fixing part is connected to the covering part through a thin connecting piece.

Preferably, the side of the top of the cover body close to the covering portion protrudes upwards to form a convex portion, and the two sides of the convex portion are respectively inclined toward the top and the covering portion;

The fixing hole is arranged on the convex part; or, the fixing protrusion is arranged on the convex part;

The cross-section of the fixing part matches the cross-section of the convex part.

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

Preferably, the fastening part has an n-shaped cross section, and the covering part has an n-shaped cross section matching the fastening part so as to be nestedly connected with the fastening part, and the covering part and The nested connection of the fastening part is provided with one or more anastomotic structures to strengthen the connection strength.

The anastomotic structure includes ribs and/or grooves arranged on the side of the buckling part, and a corresponding part of the covering part that is opposite to the ribs of the buckling part. matching grooves and/or ribs matching the grooves of the fastening portion.

Preferably, the end of the covering part is arranged flush with the end of the buckling part; one or more ends of the covering part extend upward to form a groove;

The container also includes a lifting part arranged on the groove part and rotatably connected to the covering part, the lifting part is connected to the covering part on at least one side through a destructible anti-theft structure, Creates a destructible area.

Implementing the container of the present invention has the following beneficial effects:

During the use of this container, when the pressure inside the box increases, it can exhaust through the exhaust port; when the pressure inside the box decreases, it can take in air through the exhaust port; when the pressure inside and outside the box is balanced, it can pass through the exhaust cover The exhaust port is closed to realize automatic adjustment according to different pressures in the box, while effectively avoiding the introduction of harmful substances such as dust.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is the three-dimensional structure schematic diagram of the first embodiment of the container of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of another state of the container shown in Fig. 1;

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

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

Fig. 5 is the J-J structure schematic diagram shown in Fig. 4;

Fig. 6 is the K-K sectional view shown in Fig. 4;

Figure 7 is an enlarged view of area A in Figure 1;

Figure 8 is an enlarged view of area B in Figure 4;

Fig. 9 is an enlarged view of area C in Fig. 6;

Fig. 10 is an enlarged view of area D in Fig. 6;

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

Fig. 12 is an enlarged view of area E in Fig. 11;

FIG. 13 is an enlarged view of area F in FIG. 11 .

In the accompanying drawings, 1. Box body, 11. Bottom, 12. Main side wall, 13. Fastening part, 2. Cover body, 21. Top, 211. Exhaust port, 212. Convex part, 22. Covering part , 221. Groove, 23. Recess, 231. First recess, 232. Second recess, 3. Exhaust cover, 31. Covering part, 311. Protrusion, 312. Rib, 32. Fixing part, 321. Fixing Hole, 322. Fixing protrusion, 4. Connecting part, 41. Fillet, 51. Connecting tooth, 52. Anti-theft structure, 6. Anastomotic structure, 61. Convex rib, 62. Groove, 7. Lifting part, 8. Reinforcing ribs, 9. tight structure, 91. tight ribs, 92. tight grooves.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples and accompanying drawings. As a limitation of the present invention.

As shown in Figures 1-4, it is a schematic structural view of the first embodiment of the container of the present invention, which is the same as the container in the prior art, and the container includes a box body 1 for holding food and a cover for the box body 1, the box body 1 includes a bottom 11, a main side wall 12 extending upward from the edge of the bottom 11, and a fastening portion 13 formed at the end of the main side wall 12 (shown in conjunction with FIG. 5 ). The cover body 2 includes a top 21 and a cover portion 22 arranged on the edge of the top 21, wherein the cover body 2 is detachably and airtightly fitted with the buckle portion 13 of the box body 1 through its cover portion 22 to seal the box body 1. The lid forms a closed space in the container to realize the safe delivery of food.

In this embodiment, the container is provided with an adjustment device that can be automatically adjusted according to the different air pressures in the container/box body 1. The cover 3 , the exhaust cover 3 includes a cover portion 31 , and the cover portion 31 can close the exhaust port 211 or open the exhaust port 211 . It can be understood that when the cover body 2 and the box body 1 are airtightly fitted, the covering part 31 closes or opens the exhaust port 211 according to the air pressure change in the container/box body 1, so as to maintain the air pressure balance inside and outside the container/box body 1, To prevent the container from being deformed or broken and affecting the use, wherein the shape of the exhaust port 211 can be a circle or any other shape.

The covering portion 31 of the exhaust cap 3 is arranged correspondingly to the exhaust port 211 , the exhaust cap 3 can rotate around its connection with the container, and close or open the exhaust port 211 through the covering portion 31 . In this embodiment, the exhaust cover 3 is rotatably connected to the edge of the cover part 22 of the cover body 2 through the flexible connecting part 4 , and the exhaust cover 3 , the connecting part 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 part 22 so that the covering part 31 covers the opening of the exhaust port 211 of the top 21, wherein the cross section of the connecting part 4 matches the cross section of the covering part 22 , so as to be nested on the upper part of the cover part 22 . In some embodiments, the exhaust cover 3 can also be rotatably connected to the top 21 of the cover body 2 through the flexible connection part 4; part 13 edge.

Further, a protrusion 311 is provided on the surface of the cover portion 31 near the exhaust port 211, the protrusion 311 corresponds to the exhaust port 211, and can close or open the exhaust port 211, wherein the size of the protrusion 311 is larger than that of the exhaust port. The size of port 211. Specifically, as shown in FIG. 6 and FIG. 9 , the size of the protrusion 311 decreases from its root along the protrusion direction, the root size of the protrusion 311 is larger than the size of the exhaust port 211, and the cross section of the protrusion 311 is the same as the exhaust port 211. The circular shape that matches the shape can also be any other shape that matches the exhaust port 211, wherein the protrusion 311 is arranged in a hemispherical shape.

Further, the covering part 31 is provided with reinforcing ribs 312 to strengthen its structural strength. It can be understood that when the air pressure in the container decreases and the container forms a depression, the reinforcing ribs 312 keep the covering part 31 in a flat state, thereby making the covering part An air intake space is formed between the protrusion 311 of 31 and the exhaust port 211 of the top 21 . As shown in FIG. 7 , the reinforcing ribs 312 are arranged in a grid pattern on the side of the covering portion 31 where the protrusions 311 are located. Of course, the reinforcing ribs 312 can also be arranged in any other shape that can strengthen the structural strength of the covering portion 31 .

It can be understood that when the air pressure inside the container/box body 1 is greater than or lower than the external air pressure, the protrusion 311 is separated from the exhaust port 211, and the air is taken in or exhausted through the exhaust port 211, so as to realize the balance of the air pressure inside and outside the container/box body 1 ; When the air pressure inside and outside the container/box body 1 is balanced, the covering part 31 is plugged into the exhaust port 211 through the hemispherical protrusion 311 to close the exhaust port 211 . In this embodiment, the setting of the hemispherical protrusion 311 enables the hot air/water vapor in the container/box body 1 to push away the protrusion 311, effectively preventing the container from becoming flat; The combination makes the inside of the container in a closed state, prevents leakage, and effectively prevents the introduction of harmful substances such as dust.

As shown in Figure 2, the flexible connecting part 4 has a weak part, the connecting part 4 can be opened or folded around the weak part, when the covering part 31 of the exhaust cover 3 closes the exhaust port 211, the folded connecting part 4 There are rounded corners 41 on opposite sides, which can avoid scratching, tearing and destroying the plastic bag used for storing and carrying containers, and can also prevent injury to users, wherein the flexible connecting part 4 can adopt a hinge structure.

Further, the exhaust cover 3 also includes a fixing part 32 provided between the connecting part 4 and the covering part 31, the exhaust cover 3 and the connecting part 4 can be integrally formed, wherein the top 21 is provided with a fixing hole 321 for fixing The portion 32 is provided with a fixing protrusion 322 corresponding to the fixing hole 321, the fixing protrusion 322 can 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 that of the fixing hole 321 , the fixing protrusion 322 is hollow or cylindrical, and its end is smoothly transitioned. It can be understood that the fixing hole 321 can also be in any other shape, and the fixing protrusion 322 can also be in any other shape that matches the position of the fixing hole 321 .

In some embodiments, the fixing part 32 is provided with a fixing hole 321, and the top 21 is provided with a fixing protrusion 322 corresponding to the fixing hole 321. It can be understood that the connecting part 4 is shortened by fitting the fixing protrusion 322 with the fixing hole 321. The distance between the joint with the container and the covering part 31 achieves the effect of shortening the time required for the covering part 31 to return to the top 21 after opening the exhaust port 211 .

Wherein, the fixing part 32 is obtained by extending from the connecting part 4, and the fixing part 32 and the covering part 31 are connected by a connecting structure. 31 can rotate around its connection with the fixed portion 32 to leave the top 21 of the cover body 2 , thereby opening the exhaust port 211 . As shown in FIGS. 7-8 , the fixing part 32 is connected to the covering part 31 through a plurality of connecting teeth 51 distributed at intervals, wherein the connecting teeth 51 are arranged from the direction of the fixing part 32 to the direction of the covering part 31 . It can be understood that the size of the connecting teeth 51 is very small, and its length is smaller than the thickness of the covering part 31 , so as to effectively prevent the covering part 31 from turning over to the side where the fixing part 32 is located.

In some embodiments, the fixed part 32 is connected to the cover part 31 through a thin structural connecting piece, and the cover part 31 can also rotate around its connection with the fixed part 32; in some embodiments, the fixed part 32 is formed by the connecting part 4 and /or the covering part 31 is extended, the exhaust cover 3 is very thin and has a uniform thickness, and can also be pushed open. Wherein, the connection between the fixing part 32 and the covering part 31 is arranged in an arc shape, and the arc is bent from the direction of the fixing part 32 to the direction of the covering part 31, effectively ensuring that the covering part 31 automatically resets after leaving the top 21.

Wherein, the cross section of the connecting portion 4 matches the cross section of the covering portion 22 of the cover body 2, as shown in FIG. 2 , the covering portion 22 has an n-shaped cross section, and the connecting portion 4 has an The cross section matches the n-shaped cross section, the connecting part 4 is nested on the upper part of the covering part 22 and the exhaust cover 3 is covered on the surface of the top 21 .

As shown in Figure 1, the cover body 2 is provided with a recess 23 for accommodating the exhaust cover 3, the recess 23 includes a first recess 231 corresponding to the fixing part 32 and a second recess 232 corresponding to the covering part 31, wherein the first recess The depth of 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 exhaust cover 3 covers the concave portion 23 as shown in FIG. 2, FIG. 6 and FIG. , and when there are containers stacked on the upper part of the current container, the exhaust space of the exhaust port 211 can still be formed between the second recess 232 of the current container and the covering part 31, which ensures that when multiple containers are stacked, they can still maintain The effect of air pressure balance inside and outside the container. Understandably, when the exhaust cover 3 covers 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 21 .

As shown in FIGS. 5-6 and FIG. 10 , the fastening portion 13 has an n-shaped cross-section, and the cross-section of the covering portion 22 is an n-shaped cross-section matching the cross-section of the fastening portion 13. The covering portion 22 The upper part of the fastening part 13 is nested to fit tightly with the fastening part 13 , wherein the nesting connection between the cover part 22 and the fastening part 13 is provided with one or more anastomotic structures 6 to strengthen the connection strength.

The anastomotic structure 6 is a concave-convex matching structure respectively provided on the fastening part 13 and the cover part 22, wherein the anastomotic structure 6 includes a rib 61 and/or a groove 62 arranged on the side wall of the fastening part 13, And the groove 62 matching the rib 61 of the buckling part 13 and/or the rib 61 matching the groove 62 of the buckling part 13 are arranged on the corresponding part of the covering part 22 . As shown in Figure 10, in this embodiment, the side wall of the fastening part 13 is provided with ribs 61 and grooves 62 from top to bottom near the end. Correspondingly, the cover part 22 is Matching grooves 62 and ribs 61 are provided on corresponding parts of the engaging portion 13 . Wherein, the rib 61 is formed by the buckling portion 13 /covering portion 22 protruding outward, and the groove 62 is formed by the buckling portion 13 /covering portion 22 being recessed inward. Certainly, in some embodiments, the matching manner and the setting position of the anastomosis structure 6 can be set in other forms.

Furthermore, one or more tight structures 9 that strengthen the airtight effect are provided at the nested connection between the cover part 22 and the buckle part 13, and the tight structures 9 are respectively arranged on the buckle part 13 and the cover part 22 Concave-convex fitting structure, wherein, the tight structure 9 includes a tight rib 91 and/or a tight groove 92 arranged on the upper part of the fastening part 13, and a tight groove 92 arranged on the corresponding part of the cover part 22, which is connected with the fastening part 13 The tight rib 91 matches the tight groove 92 and/or the tight rib 91 matches the tight groove 92 of the fastening part 13 . As shown in Figure 10, in this embodiment, a tight groove 92 is provided at the middle position of the upper part of the fastening part 13, and correspondingly, the covering part 22 is provided with a corresponding Matching tight ribs 91 . Wherein, the tight groove 92 is formed by the buckling portion 13 being recessed inwardly, and the tight rib 91 is formed by the covering portion 22 protruding toward the inner side thereof. Certainly, in some embodiments, the fitting manner and the setting position of the compact structure 9 may be set in other forms. It can be understood that when the fastening part 13 and the matching structure 6 on the cover part 22 are completely matched, the tight ribs 91 and the tight grooves 92 in the tight structure 9 will be naturally pressed together, so as to play an air-tight Leakproof effect.

Wherein, the end portion of the cover portion 22 is flush with the end portion of the buckle portion 13. It can be understood that the end portion of the cover portion 22 is flush with the end portion of the buckle portion 13, and the cover portion 22 is flush with the end portion of the buckle portion 13. The anastomotic structure 6 and the tight structure 9 provided between the ends make it difficult to open the cover part 22 and the fastening part 13 after nesting and fitting. In this embodiment, the cover part 22 is provided with one or more pulling parts 7. The lifting part 7 can be used as a handle to facilitate the user to open the container.

As shown in Figure 1-2, one or more places of the cover part 22 are provided with a groove part 221, which can be obtained by extending upward from the end of the buckle part 13, and the groove part 221 is provided with a cover The lifting part 7 is rotatably connected to the closing part 22, and the two sides of the lifting part 7 are separated from the cover part 22, and the lifting part 7 extends downwards and covers the main side wall 12, so that it can be grasped by the user. Pick. Wherein, the pulling portion 7 is provided with grooves and ribs matching the ribs 61 and grooves 62 on the buckling portion 13 on the side where the buckling portion 13 is located, and the lifting portion 7 can be fixed on the buckle through this structure. Joint 13. Preferably, the lifting part 7 extends obliquely downward to form an outwardly tilted handle, which is convenient for the user to lift. Preferably, the groove part 221 extends upward from the end of the buckling part 13 to the top of the buckling part 13 .

Wherein, the two sides of the lifting part 7 are separated from the covering part 22, and a connection space is formed between the two. The lifting part 7 is connected to the covering part 22 on at least one side through a destructible anti-theft structure 52, forming a destructible area. . Wherein, the anti-theft structure 52 can be arranged in the connection space on both sides and corresponds to the position of the cover portion 22 close to or at 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 can be easily damaged 52 to use the lifting part 7.

The anti-theft structure 52 is a thin structure connector, and 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 to On the outer surfaces of the covering portion 22 and the lifting portion 7 , both sides of the lifting portion 7 are smoothly arranged. In some embodiments, a plurality of anti-theft structures 52 arranged at intervals in the height direction are arranged in the connecting space. It can be understood that when the lid body 2 is pulled and opened by the lifting part 7, the anti-theft structure 52 is destroyed and cannot be restored, which plays an anti-theft function and effectively prevents the food from being opened by others during transportation. Of course, the anti-theft structure 52 can be in any other shape.

In this embodiment, both the box body 1 and the cover of the container are rectangular, and in some embodiments, they can also be circular, square or any other shape. The container can be made of food-grade plastic or other materials, and can be used as a take-out container, microwave container, and everyday tableware.

As shown in Figures 11-13, it is a schematic structural view of the second embodiment of the container of the present invention. The difference from the above-mentioned first embodiment is that the lid 2 is provided with a convex portion 212 that increases the accommodation space of the lid 2 The convex portion 212 is formed by protruding upward from the side of the top 21 of the cover body 2 close to the covering portion 22. The cross section of the cross section matches the cross section of the convex part 212, the fixing protrusion 322 is arranged on the fixing part 32, and the fixing hole 321 is arranged on the convex part 212; or, the fixing hole 321 is arranged on the fixing part 32, and the fixing protrusion 322 is arranged on the on the convex portion 212 .

It can be understood that the fixing part 32 covers the upper part of the convex part 212, and the covering part 31 covers the top 21 of the cover body 2. The convex part 212 and the top 21 have a certain height difference. Therefore, when the air pressure in the container/box body 1 When the cover part 31 is enlarged and pushed away, the cover part 31 can rotate around its connection with the fixed part 32. When the cover part 31 rotates, it can rotate to the maximum extent to the position of the convex part 212, and the convex part 212 can effectively block the cover The part 31 is turned over to the side where the convex part 212 is located, which ensures that when the air pressure inside and outside the container/box body 1 is balanced, the covering part 31 can automatically return to the position covering the top 21 and closing the exhaust port 211.

Wherein, the convex portion 212 and the covering portion 22 are connected through a connecting platform, and a plurality of reinforcing ribs 8 are arranged on the connecting platform, and the plurality of reinforcing ribs 8 are arranged at intervals in the circumferential direction of the connecting platform. It can be understood that the reinforcing rib 8 is used to enhance the strength of the cover body 2, so that the cover body 2 is not easy to be completely or deformed; at the same time, when a plurality of cover bodies 2 are stacked, the reinforcing rib 8 can prevent the stacked covers from being squeezed together, making them easy to separate.

When using the container of the first embodiment or the second embodiment, food is placed in the box body 1, and the lid is sealed by the cover body 2, and the flexible connecting part 4 is rotated and folded so that the fixing protrusion 322 is inserted and fixed in the fixing hole 321 When the container is put into a microwave oven for heating, due to the temperature rise in the container/box body 1, the instantaneously expanded hot air/water vapor (increased air pressure) will push away the protrusion 311, so that the covering portion 31 leaves the top 21, The steam is discharged from the exhaust port 211; when the air pressure inside and outside the container/box body 1 approaches, the covering part 31 automatically resets and closes the exhaust port 211 through its protrusion 311, so that the container forms a closed space, effectively preventing harmful substances such as dust from falling into; when boiling food is directly put into the container, exhaust is the same.

When the temperature in the container drops, causing the air in the container to shrink (decrease in air pressure), the top 21 of the cover body 2 sinks, and the covering part 31 is kept flat by the reinforcing rib 312 thereon, so that the second concave part 232 is not in line with the plane where the covering part 31 is located. Coordination, so that an air intake space is formed between the protrusion 311 and the exhaust port 211, and the external air enters the container through the exhaust port 211; when the internal and external air pressure of the container/box body 1 approaches, the covering part 31 automatically resets, and the concave part 23 accommodates the exhaust The protrusion 311 on the cover 3 and the covering part 31 closes the exhaust port 211 ; so that the protrusion 311 keeps closing the exhaust port 211 after the air intake or exhaust is completed.

Since the anastomotic structure 6 and the tight structure 9 are provided between the cover part 22 and the buckle part 13, and the ends of the cover part 22 and the buckle part 13 are flush with each other, once the cover body 2 covers the box body 1, the Difficult to open, the user can break the anti-theft structure 52 by pulling the lifting part 7, and use the lifting part 7 as a handle to pull the cover body 2; understandably, once the anti-theft structure 52 is damaged, it cannot be restored, effectively preventing the container from Opened by others during transit.

In the present invention, when the air pressure in the container is higher/lower than the external air pressure, the exhaust port 211 is opened to maintain the balance of internal and external air pressure through air intake/exhaust. After the air pressure is balanced, the exhaust port 211 is kept closed to realize While the different pressures in the container/box body 1 are automatically adjusted, the introduction of harmful substances such as dust is effectively avoided.

It can be understood that the above examples only express the preferred implementation of the present invention, and its description is relatively specific and detailed, but it should not be interpreted as limiting the patent scope of the present invention; it should be pointed out that for those of ordinary skill in the art In other words, on the premise of not departing from the concept of the present invention, the above-mentioned technical features can be freely combined, and some modifications and improvements can also be made, all of which belong to the protection scope of the present invention; All equivalent transformations and modifications should fall within the scope of the claims of the present invention.

Claims (8)

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,

the exhaust cover (3) is used for maintaining the balance of the air pressure inside and outside the box body (1), and the exhaust cover (3) is rotatably connected to the box body (1) or the cover body (2) through a flexible connecting part (4); the exhaust cover (3) comprises a covering part (31) for automatically closing or opening the exhaust port (211) according to the air pressure change in the box body (1), and a fixing part (32) arranged between the connecting part (4) and the covering part (31);

one side surface of the covering part (31) close to the air outlet (211) is provided with a protrusion (311), the size of the protrusion (311) is gradually decreased from the root of the protrusion along the protrusion direction, the size of the root of the protrusion (311) is larger than that of the air outlet (211), and the size of the tail end of the protrusion (311) is smaller than that of the air outlet (211);

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).

2. The container according to claim 1, characterized in that the venting cover (3) is rotatably connected at the edge of the snap-fit portion (13) of the box (1) by means of the 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 the flexible connecting part (4);

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

3. The container according to claim 1, wherein the fixing portion (32) is extended 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.

4. The container according to claim 1, 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 arranged on the convex part (212); alternatively, the fixing protrusion (322) is provided on the convex portion (212);

the cross section of the fixing portion (32) matches the cross section of the projection (212).

5. The container according to claim 1, wherein the cover (2) is provided with a recess (23) housing 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).

6. 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).

7. Container according to claim 6, 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).

8. Container according to claim 6 or 7, wherein the end of the closure (22) is arranged flush with the end of the snap-fit portion (13); the end part of one or more positions of the covering part (22) extends 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.

Images