CN220823723U - Grain storage barrel - Google Patents

Abstract

The application is suitable for the technical field of food preservation, and provides a grain storage barrel which comprises a barrel cover, a battery bin and a spring pressing assembly. The push-and-play assembly is provided with a locking state and an unlocking state, when the push-and-play assembly is in the locking state, the push-and-play assembly locks the clamping part, and when the push-and-play assembly is in the unlocking state, the push-and-play assembly is separated from the clamping part. The clamping part can enable part of the structure of the push-and-pull assembly to move relative to the barrel cover along a first direction so as to enable the push-and-pull assembly to be switched between a locking state and an unlocking state. The grain storage barrel provided by the application can be used for independently taking out the battery bin for charging, so that the convenience of charging the grain storage barrel is greatly improved.

Description

Grain storage barrel

Technical Field

The application relates to the technical field of food preservation, in particular to a grain storage barrel.

Background

The vacuum grain storage barrel is a special container for storing grains, seeds or other articles, and the oxygen content in the container is reduced mainly by extracting air in the vacuum grain storage barrel, so that the quality guarantee period of the grains is effectively prolonged, and insect damage and mildew are prevented.

Current vacuum storage tanks typically require periodic charging. When charging for vacuum grain storage barrel, usually need to remove whole vacuum grain storage barrel to the department of charging, just can charge, and the volume of vacuum grain storage barrel is great, and the weight of especially the vacuum grain storage barrel who is equipped with food is heavier, and it is inconvenient to carry. From the above, the existing vacuum grain storage barrel is not convenient to charge.

Disclosure of utility model

The embodiment of the application aims to provide a grain storage barrel, and aims to solve the technical problem that in the prior art, the vacuum grain storage barrel is not convenient to charge.

In order to achieve the above purpose, the application adopts the following technical scheme: the utility model provides a grain storage barrel, which comprises a barrel cover, a battery bin and a pressing bullet assembly, wherein the battery bin is connected with a clamping part, the pressing bullet assembly is arranged on the barrel cover, and the clamping part and the pressing bullet assembly are oppositely arranged; the elastic pressing assembly is provided with a locking state and an unlocking state, when the elastic pressing assembly is in the locking state, the elastic pressing assembly locks the clamping part, when the elastic pressing assembly is in the unlocking state, the elastic pressing assembly is separated from the clamping part, and the clamping part can enable part of the structure of the elastic pressing assembly to move relative to the barrel cover along a first direction, so that the elastic pressing assembly is switched between the locking state and the unlocking state.

In one possible design, the spring pressing assembly comprises a mounting seat, a lock catch and a first elastic piece, wherein the mounting seat is connected with the barrel cover, the lock catch is slidably mounted on the mounting seat, and the first elastic piece is positioned between the lock catch and the mounting seat; when the push-and-play assembly is in a locking state, the lock catch is in a furled state and locks the clamping part, and when the push-and-play assembly is in an unlocking state, the lock catch is in an unfolding state and is separated from the clamping part; the clamping part can enable the lock catch to move along a first direction relative to the mounting seat, so that the spring pressing assembly is switched from an unlocking state to a locking state, and the first elastic piece is compressed by the lock catch and the mounting seat; the first elastic piece is used for enabling the lock catch to move along a first direction relative to the mounting seat, so that the spring pressing assembly is switched from an unlocking state to a locking state.

In one possible design, the lock catch is connected with a positioning part, the mounting seat is provided with a guide rail, the guide rail is provided with a first positioning area and a second positioning area, the positioning part can move between the first positioning area and the second positioning area along the guide rail under the action of the clamping part or the first elastic piece, when the positioning part is positioned in the first positioning area, the spring pressing assembly is in a locking state, and when the positioning part is positioned in the second positioning area, the spring pressing assembly is in an unlocking state.

In one possible design, the barrel cover is provided with a containing groove, the battery compartment is installed in the containing groove, the containing groove is provided with two side walls which are oppositely arranged in the direction perpendicular to the first direction, and the distance between the elastic pressing component and one side wall is larger than the distance between the elastic pressing component and the other side wall.

In one possible design, the grain storage barrel further comprises a barrel body, the barrel body is provided with a storage cavity and a first opening communicated with the storage cavity, the barrel cover is covered on the first opening, a pressure release hole is formed in the barrel cover in a penetrating mode along a first direction, the storage cavity is communicated with the outside through the pressure release hole, a pressure release assembly is arranged in the pressure release hole, and the pressure release assembly is used for enabling the pressure release hole to be opened or closed.

In one possible design, the pressure release assembly includes second elastic component, moving part and first sealing member, the moving part slides and wears to locate in the pressure release hole, first sealing member respectively with moving part with the inner wall butt in pressure release hole, the second elastic component respectively with moving part with the bung butt, moving part can be to being close to the direction of storage chamber is removed, in order to open the pressure release hole.

In one possible design, the pressure relief hole has a diverging section at an end near the storage cavity, the diameter of the diverging section gradually decreases from the end near the storage cavity to the end far from the storage cavity; the first sealing piece is respectively abutted with the moving piece and the inner wall of the diverging section.

In one possible design, the lid has a first side facing away from the storage cavity;

and one side surface of the moving part, which is away from the storage cavity, is overlapped with the first side surface, or in the first direction, one side surface of the moving part, which is away from the storage cavity, is positioned between the first side surface and the storage cavity.

In one possible design, the grain storage barrel further comprises a barrel body, the barrel cover is hinged with the barrel body through a connecting assembly, the connecting assembly comprises a first connecting portion, a second connecting portion and a locking portion, the first connecting portion is connected with the barrel body, the second connecting portion is hinged with the barrel cover, and the first connecting portion is detachably connected with the second connecting portion through the locking portion.

In one possible design, the second connecting portion is provided with a groove along the first direction, the first connecting portion is located in the groove, the first connecting portion is provided with a sliding groove along a third direction, the sliding groove extends along a second direction, the second connecting portion is provided with a second opening along the third direction, one end of the locking portion penetrates through the second opening and extends into the sliding groove, and the locking portion can move relative to the sliding groove and the second opening along the second direction; the first connecting portion is provided with a third opening along the first direction, the third opening is communicated with the sliding groove, and the third opening is used for enabling the locking portion to move out of the sliding groove along the first direction.

The grain storage barrel provided by the application has the beneficial effects that: compared with the prior art, the grain storage barrel provided by the application has the advantages that the locking state and the unlocking state of the spring pressing assembly are realized, and the connection state of the battery bin and the barrel cover is changed by changing the state of the spring pressing assembly, so that the detachable connection between the battery bin and the barrel cover is realized. In the assembly process, the clamping part is opposite to the pressing bullet assembly, and the battery bin is pressed towards the direction close to the barrel cover, so that the clamping part drives a part of structures of the pressing bullet assembly to move relative to the barrel cover along the first direction, the pressing bullet assembly is switched from an unlocking state to a locking state, and the battery bin is stably installed on the barrel cover. When the battery is required to be charged, the battery compartment is only required to be pressed towards the direction close to the barrel cover again, so that the spring pressing assembly is switched from the locking state to the unlocking state, and the battery compartment can be taken out from the barrel cover. Therefore, the battery compartment with a relatively small volume is only required to be taken out for charging.

In conclusion, the grain storage barrel provided by the application can be used for independently taking out the battery bin for charging, so that the convenience of charging the grain storage barrel is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a grain tank according to an embodiment of the present application;

FIG. 2 is an exploded view of the bulk parts of a grain storage cask according to one embodiment of the present application;

FIG. 3 is a schematic view of a battery compartment and a clamping portion in a grain storage barrel according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a battery compartment and a clamping portion in a grain storage barrel according to an embodiment of the present application;

FIG. 5 is a schematic view of a perspective view of a snap-shot assembly in a grain tank according to one embodiment of the present application;

FIG. 6 is a schematic cross-sectional view of a mounting base for a cartridge assembly in a grain storage tank according to one embodiment of the present application;

FIG. 7 is a schematic view of the positioning portion of the cartridge assembly in the grain storage barrel according to one embodiment of the present application;

FIG. 8 is a schematic view of the positions of the snap-in assembly and the engagement portion when the snap-in assembly is in an unlocked state in a grain storage barrel according to an embodiment of the present application;

FIG. 9 is a schematic view of the positions of the snap-in assembly and the engagement portion when the snap-in assembly is in the locked state in the grain storage barrel according to an embodiment of the present application;

FIG. 10 is a schematic view of another perspective structure of a grain storage tub provided in accordance with one embodiment of the present application;

FIG. 11 is a schematic view of a cross-sectional structure taken along the direction A-A in FIG. 10;

FIG. 12 is an enlarged partial schematic view at B in FIG. 11;

FIG. 13 is a schematic view of an exploded view of a portion of a grain tank according to one embodiment of the present application;

FIG. 14 is an enlarged partial schematic view at C in FIG. 13;

Fig. 15 is an exploded view of a connection assembly in a grain tank according to an embodiment of the present application.

Reference numerals related to the above figures are as follows:

100. A tub body; 101. a second seal; 102. a handle; 103. an installation area; 1031. positioning columns; 110. a storage chamber;

200. A barrel cover; 201. a pressure relief hole; 202. an air extracting device; 203. a main control board; 210. a housing; 220. a cover body;

300. A battery compartment; 310. a bottom case; 320. an upper cover; 330. a battery; 340. a charging thimble male seat; 350. a charging thimble mother seat; 360. a clamping part; 361. a boss;

400. A press spring assembly; 410. a mounting base; 411. a sliding chamber; 412. a guide rail; 4121. a first positioning area; 4122. a second positioning area; 4123. a first limit region; 4124. the second limit area; 4125. a first guide wall; 4126. a second guide wall; 4127. a third guide wall; 4128. a fourth guide wall; 413. a fourth opening; 414. a guide post; 415. a limit groove; 420. locking; 421. a sliding part; 4211. a limiting block; 422. swing arms; 4221. a hook body; 430. a first elastic member; 440. a positioning part; 441. a first end; 442. a second end;

500. A pressure relief assembly; 510. a moving member; 511. a limiting table; 512. a pressure release button; 520. a second elastic member; 530. a first seal;

600. A connection assembly; 610. a first connection portion; 611. positioning holes; 612. a chute; 613. a third opening; 620. a second connecting portion; 621. a groove; 622. a second opening; 630. a locking part;

700. a material taking spoon;

800. a drying box;

900. and a micro-switch.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the structures or elements being referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Finally, it should be noted that, in the drawings of the embodiments of the present application, the lead with the solid arrow points to the structure itself, and the lead with the dot points to a certain area.

In order to explain the technical scheme of the application, the following is a detailed description with reference to the specific drawings and embodiments.

As shown in fig. 1 to 5, one embodiment of the present application provides a grain storage tub, which includes a tub cover 200, a battery compartment 300, and a press ball assembly 400, wherein the battery compartment 300 is connected with a clamping part 360, the press ball assembly 400 is mounted on the tub cover 200, and the clamping part 360 is disposed opposite to the press ball assembly 400. The push-latch assembly 400 has a locked state and an unlocked state, when the push-latch assembly 400 is in the locked state, the push-latch assembly 400 locks the clamping portion 360, and when the push-latch assembly 400 is in the unlocked state, the push-latch assembly 400 is separated from the clamping portion 360. The snap-fit portion 360 enables a portion of the structure of the cartridge assembly 400 to move in a first direction relative to the lid 200 to switch the cartridge assembly 400 between the locked and unlocked states.

Compared with the related art, the grain storage barrel provided by the embodiment of the application has the locking state and the unlocking state because the elastic pressing assembly 400 changes the connection state of the battery compartment 300 and the barrel cover 200 by changing the state of the elastic pressing assembly 400, so that the detachable connection between the battery compartment 300 and the barrel cover 200 is realized. In the assembly process, the clamping part 360 is opposite to the push-and-pull assembly 400, and the battery compartment 300 is pressed in the direction close to the barrel cover 200, so that the clamping part 360 drives a part of structures of the push-and-pull assembly 400 to move relative to the barrel cover 200 along the first direction, and the push-and-pull assembly 400 is switched from the unlocking state to the locking state, and the battery compartment 300 is stably mounted on the barrel cover 200. When the battery 330 needs to be charged, the battery compartment 300 is only required to be pressed again in a direction approaching to the barrel cover 200, so that the spring pressing assembly 400 is switched from the locking state to the unlocking state, and the battery compartment 300 can be taken out from the barrel cover 200. In this way, only the battery compartment 300 with a relatively small volume is required to be removed for charging. In summary, the grain storage barrel provided by the embodiment of the application can be used for independently taking out the battery bin 300 for charging, so that the convenience of charging the grain storage barrel is greatly improved.

In an embodiment of the application, the grain storage tub has a first direction, a second direction and a third direction. The first direction is parallel to the height direction of the grain storage barrel, and the first direction, the second direction and the third direction are arranged in an angle mode. Optionally, the first direction, the second direction and the third direction are perpendicular to each other. In the drawings of the embodiments of the present application, the first direction is shown in the Z direction, the second direction is shown in the Y direction, and the third direction is shown in the X direction. It should be noted that, in the drawings of the embodiments of the present application, the Z direction, the Y direction and the X direction are not directed in a single direction, the directions parallel to the Z axis are all Z directions, the directions parallel to the Y axis are all Z directions, and the directions parallel to the X axis are all Z directions.

In some alternative embodiments, the battery compartment 300 has a charging port, and the battery compartment 300 includes a battery 330, the battery 330 being electrically connected to the charging port. The charging port is used to connect a charging cord to charge the battery 330. Optionally, the battery compartment 300 is further provided with a plurality of indicator lights, so as to prompt the user of the current electric quantity value of the battery 330 by the number of the lit indicator lights, so that the user can charge the battery 330 in time. Illustratively, the number of indicator lights is four, which when all four indicator lights are on, indicates that the current charge of the battery 330 is between 75% and 100%; when three indicator lights are on, the current electric quantity of the battery 330 is between 50% and 75%; when two indicator lights are on, the current electric quantity of the battery 330 is 25-50%; when only one indicator light is on, it indicates that the current charge of the battery 330 is between 0% and 25%; when the indicator light is not on, it indicates that the battery 330 is depleted. Optionally, when the battery 330 is being charged, the indicator lights flash to indicate to the user that the battery 330 is being charged successfully. Optionally, a buzzer may be installed in the battery compartment 300, and when the battery 330 is fully charged, the buzzer emits a prompt tone to prompt the user that the battery 330 is fully charged.

In some alternative embodiments, as shown in fig. 3 and 4, the battery compartment 300 includes a bottom case 310 and an upper cover 320, the bottom case 310 and the upper cover 320 are fastened to each other, a chamber is formed between the bottom case 310 and the upper cover 320, a charging port is provided on the bottom case 310, and the battery 330 is located in the chamber. Optionally, one of the bottom case 310 and the upper cover 320 is provided with a positioning protrusion, and the other one is provided with a positioning groove, and the positioning protrusion is matched with the positioning groove, that is, the positioning protrusion is located in the positioning groove, so as to play a positioning role between the bottom case 310 and the upper cover 320. During assembly, the positioning protrusions can be inserted into the positioning grooves, so that the bottom shell 310 and the upper cover 320 can be positioned rapidly, and the assembly efficiency can be improved.

In one possible design, as shown in fig. 4 and 5, the push-to-bullet assembly 400 includes a mount 410, a latch 420, and a first resilient member 430. The mounting seat 410 is connected with the tub cover 200, the latch 420 is slidably mounted on the mounting seat 410, and the first elastic member 430 is located between the latch 420 and the mounting seat 410. When the push-latch assembly 400 is in the locked state, the latch 420 is in the folded state and locks the clamping portion 360, and when the push-latch assembly 400 is in the unlocked state, the latch 420 is in the unfolded state and is separated from the clamping portion 360. The latch portion 360 is capable of moving the latch 420 relative to the mount 410 in a first direction to switch the latch assembly 400 from the unlocked state to the locked state and compress the first resilient member 430 by the latch 420 and the mount 410. The first elastic member 430 is configured to move the latch 420 relative to the mount 410 in a first direction, so that the latch assembly 400 is switched from the unlocked state to the locked state.

The locking portion 360 can enable the latch 420 to move along the first direction relative to the mounting seat 410, specifically, by pressing the battery compartment 300, the locking portion 360 pushes the latch 420 to move along the first direction relative to the mounting seat 410, so that the latch assembly 400 is switched from the unlocked state to the locked state, that is, the latch 420 is switched from the unfolded state to the folded state, and the latch 420 locks the latch portion 360. Thus, the battery compartment 300 is stably mounted to the tub cover 200.

Since the first elastic member 430 is located between the latch 420 and the mount 410, after the first elastic member 430 is compressed by the latch 420 and the mount 410, the first elastic member 430 has a rebound tendency, and then the latch 420 is pushed by the first elastic member 430 to move along the first direction relative to the mount 410, so that the push-and-pull assembly 400 is switched from the locked state to the unlocked state, that is, the latch 420 is switched from the folded state to the unlocked state, and the clamping portion 360 is separated from the latch 420. In this manner, the battery compartment 300 may be removed from the tub cover 200. During assembly, the clamping portion 360 is opposite the push-to-spring assembly 400, and specifically, the clamping portion 360 is opposite the latch 420.

In some alternative embodiments, as shown in fig. 6 to 9 (the first elastic member 430 is not shown in fig. 9), the latch 420 includes a sliding portion 421, the mount 410 has a sliding cavity 411 and a fourth opening 413 in communication with the sliding cavity 411, the sliding portion 421 extends into the sliding cavity 411 through the fourth opening 413, and the sliding portion 421 is movable in a first direction relative to the mount 410. One end of the sliding part 421, which is close to the battery compartment 300, is connected with a swing arm 422, and one end of the swing arm 422, which is far away from the sliding part 421, is provided with a hook body 4221. The swing arm 422 is elastically connected with the sliding part 421, and optionally, the swing arm 422 is connected with the sliding part 421 in an integral injection molding mode, and the elastic deformation capability of the connection part of the swing arm 422 and the sliding part 421 is strong, so that the swing arm 422 can swing around the connection part of the swing arm 422 and the sliding part 421. The number of the swing arms 422 is at least two, when the number of the swing arms 422 is two, the two swing arms 422 are arranged in an angle, and when the lock catch 420 is in the unfolded state, the distance between the hook bodies 4221 of the two swing arms 422 is larger than the maximum size of the fourth opening 413; when the number of the swing arms 422 is more than two, the plurality of swing arms 422 are arranged at intervals around the circumference of the sliding portion 421, and when the lock catch 420 is in the unfolded state, one end of each swing arm 422 is elastically connected with one end of the sliding portion 421 close to the battery compartment 300, and the other end of each swing arm 422 extends radially to the outer side of the sliding portion 421, that is, the maximum distance between the other ends of the swing arms 422 is larger than the diameter of the sliding portion 421 and at least larger than the maximum size of the fourth opening 413. The number of swing arms 422 is two for example. Alternatively, the two swing arms 422 may be sequentially arranged along the second direction, may be sequentially arranged along the third direction, or may be sequentially arranged along any other direction perpendicular to the first direction. The following description will take two swing arms 422 disposed in sequence along the second direction as an example.

In some alternative embodiments, the sliding cavity 411 has a side wall and a bottom wall, the bottom wall being disposed opposite the fourth opening 413, the normal direction of the bottom wall being the same as the opening direction of the fourth opening 413 and both being parallel to the first direction. The side walls of the sliding cavity 411 are disposed around the periphery of the bottom wall, and the side walls of the sliding cavity 411 are parallel to the first direction. When the sliding portion 421 approaches the bottom wall of the sliding cavity 411 along the first direction, the sliding portion 421 drives the two swing arms 422 to move in a direction approaching the bottom wall of the sliding cavity 411, and after the two swing arms 422 are both abutted against the side wall of the sliding cavity 411, the hook bodies 4221 of the two swing arms 422 approach each other under the blocking action of the side wall of the sliding cavity 411, so as to lock the locking portion 360 through the hook bodies 4221. The first elastic member 430 is specifically located between the sliding portion 421 and the bottom wall of the sliding chamber 411. When the sliding portion 421 approaches the bottom wall of the sliding chamber 411, the first elastic member 430 is compressed specifically by the sliding portion 421 and the bottom wall of the sliding chamber 411. Alternatively, the first elastic member 430 may be a spring, a rubber member having elasticity, or other structure having elastic deformability. The first elastic member 430 is a spring, the bottom wall of the sliding cavity 411 is convexly provided with a guiding post 414, the spring is sleeved on the guiding post 414, and the guiding post 414 plays a role in guiding and limiting the contraction and rebound of the spring, so as to reduce unnecessary swing of the spring in the moving process, and further improve the moving stability of the sliding portion 421.

In some embodiments, one end of the clamping portion 360 is connected to a side of the battery compartment 300 facing the push-to-bullet assembly 400, specifically, one end of the clamping portion 360 is connected to a side of the bottom case 310 facing the push-to-bullet assembly 400, alternatively, the clamping portion 360 and the bottom case 310 may be connected by any manner of welding, gluing, screwing, or the clamping portion 360 and the bottom case 310 may be connected by an integral injection molding manner. Alternatively, as shown in fig. 8 and 9, the other end of the clamping portion 360 is provided with a boss 361, and the boss 361 extends outward from the clamping portion 360 in any direction perpendicular to the first direction. By providing the boss 361, the hook body 4221 is conveniently abutted on the side surface of the boss 361 away from the mounting seat 410, so that the reliability of the hook body 4221 locking and clamping part 360 is improved. Alternatively, the clamping portion 360 may have a cylindrical structure, a prismatic structure, or any other irregular structure. For example, the engaging portion 360 has a quadrangular prism structure, specifically, a rectangular parallelepiped structure. The two opposite sides of the clamping portion 360 are respectively provided with the boss 361 in a protruding manner.

In one possible design, the latch 420 is connected to a positioning portion 440, the mount 410 has a guide rail 412, the guide rail 412 has a first positioning region 4121 and a second positioning region 4122, and the positioning portion 440 can move along the guide rail 412 between the first positioning region 4121 and the second positioning region 4122 under the action of the latch portion 360 or the first elastic member 430. The push-button assembly 400 is in a locked state when the positioning portion 440 is located in the first positioning region 4121, and the push-button assembly 400 is in an unlocked state when the positioning portion 440 is located in the second positioning region 4122. By arranging the guide rail 412, the push-and-pull assembly 400 can be conveniently switched between the locked state and the unlocked state, and under the guiding action of the guide rail 412 to the positioning part 440, the push-and-pull assembly 400 can be more smoothly switched between the locked state and the unlocked state.

In some alternative embodiments, as shown in fig. 7, the positioning portion 440 has a first end 441 and a second end 442, and the first end 441 of the positioning portion 440 is configured to be hinged with the sliding portion 421, so that the positioning portion 440 can rotate about a rotation axis, and the rotation axis is disposed at an angle to the first direction, specifically, the rotation axis is disposed perpendicular to the first direction. For convenience of description, description will be given below taking an example in which the rotation axis is disposed in the third direction. The second end 442 of the positioning portion 440 is located in the guide rail 412, and the second end 442 may be capable of moving along the guide rail 412 between the first positioning region 4121 and the second positioning region 4122 under the action of the clamping portion 360 or the first elastic member 430, where the distance between the first positioning region 4121 and the battery compartment 300 is greater than the distance between the second positioning region 4122 and the battery compartment 300. As shown in fig. 6, the dashed circle is used to indicate the second end 442 at a different position in the rail 412 when the glide 421 moves in a first direction relative to the mount 410. The second end 442 moves between the first and second positioning regions 4121, 4122 under the guiding action of the inner wall of the rail 412, and the hollow arrow in fig. 6 indicates the path of movement of the second end 442 along the rail 412. In the assembly process, the battery compartment 300 is opposite to the elastic component 400, specifically, the clamping portion 360 connected to the battery compartment 300 is opposite to the lock catch 420, and then the battery compartment 300 is pressed in a direction close to the barrel cover 200, so that the clamping portion 360 pushes the sliding portion 421 of the lock catch 420 to move in a direction close to the bottom wall of the sliding cavity 411, so that the second end 442 moves from the second positioning region 4122 to the first limiting region 4123 along the guide rail 412, and then under the action of the resilience force applied to the sliding portion 421 by the first elastic member 430, the sliding portion 421 moves in a direction far from the bottom wall of the sliding cavity 411, and further the second end 442 smoothly enters and is limited in the first positioning region 4121, so that the lock catch 420 is switched from the unfolded state to the locked state. When the battery 330 needs to be charged, the battery compartment 300 is pressed again in a direction approaching the tub cover 200, so that the sliding portion 421 moves again in a direction approaching the bottom wall of the sliding cavity 411, so that the second end 442 moves from the first positioning region 4121 to the second limiting region 4124, and then the second end 442 moves from the second limiting region 4124 to the second positioning region 4122 along the guide rail 412 under the resilience force applied to the sliding portion 421 by the first elastic member 430.

In a specific embodiment, when the latch 420 is in the unfolded state, in the first direction, the hinge point of the first end 441 and the sliding portion 421 is located between the guide rail 412 and the clamping portion 360, that is, the maximum distance between the first end 441 and the clamping portion 360 is smaller than the minimum distance between the second positioning region 4122 and the clamping portion 360. As shown in fig. 8 and 9, the hinge point of the first end 441 and the sliding portion 421 coincides with the center plane of the sliding chamber 411, which is parallel to the first direction and coincides with the center point of the sliding chamber. When the latch 420 is in the folded state, in the first direction, a maximum distance between the first end 441 and the clamping portion 360 is smaller than a minimum distance between the first positioning region 4121 and the clamping portion 360. As shown in fig. 6, the inner wall of the guide rail 412 includes a first guide wall 4125, a second guide wall 4126, a third guide wall 4127 and a fourth guide wall 4128, the first guide wall 4125, the second guide wall 4126, the third guide wall 4127 and the fourth guide wall 4128 are sequentially connected end to end, a bump is further disposed in the guide rail 412, one side of the bump facing away from the lock catch 420 has a V-shaped groove, an opening of the V-shaped groove faces away from the clamping portion 360, and the V-shaped groove is the first positioning area 4121. In the direction shown in fig. 6, the first guide wall 4125 is inclined leftward with respect to the first direction, and the fourth guide wall 4128 is inclined rightward with respect to the first direction, and the first guide wall 4125 and the second guide wall 4126 are connected near one end of the catching portion 360 such that a second positioning region 4122 is formed between the first guide wall 4125 and the fourth guide wall 4128. The second guiding wall 4126 is disposed at an angle to the first guiding wall 4125, and a first limiting region 4123 is formed between the first guiding wall 4125 and the second guiding wall 4126. Optionally, the second guiding wall 4126 is disposed parallel to the first direction, so that after the second end 442 moves from the second positioning area 4122 to the first limiting area 4123 along the first guiding wall 4125, the second end 442 can move from the first limiting area 4123 to the first positioning area 4121 along the second guiding wall 4126 under the resilience of the first resilient member 430. Because the opening of the V-shaped groove is away from the clamping portion 360, and the first elastic member 430 is compressed by the sliding portion 421 and the bottom wall of the sliding cavity 411 at this time, so that the second end 442 is stably limited in the first positioning area 4121, the latch 420 is switched from the unfolded state to the folded state, and is stably kept in the folded state, so that the battery compartment 300 and the barrel cover 200 are stably connected. The third guiding wall 4127 is located between the protruding block and the bottom wall of the sliding cavity 411, when the battery compartment 300 is pressed in a direction approaching the sliding cavity 411, the clamping portion 360 pushes the sliding portion 421 to move toward the bottom wall approaching the sliding cavity 411, so that the second end 442 moves to the third guiding wall 4127. The third guide wall 4127 and the fourth guide wall 4128 are disposed at an included angle, and a second limiting area 4124 is formed between the fourth guide wall 4128 and the third guide wall 4127, in the direction shown in fig. 6, the third guide wall 4127 is inclined downwards from one end close to the second guide wall 4126 to the other end away from the second guide wall 4126, that is, the distance between the one end of the third guide wall 4127 close to the second guide wall 4126 and the clamping portion 360 is smaller than the distance between the one end of the third guide wall 4127 away from the second guide wall 4126 and the clamping portion 360. In addition, in the second direction, the distance between the second limiting section 4124 and one side wall of the sliding cavity 411 is smaller than the distance between the side walls of the first positioning section 4121, so that the second end 442 can smoothly move to the second limiting section 4124 under the guiding action of the third guiding wall 4127 after moving to the third guiding wall 4127. The fourth guiding wall 4128 is connected to the third guiding wall 4127 and the first guiding wall 4125, respectively, so that the second end 442 can return to the second positioning area 4122 along the fourth guiding wall 4128 by the second limiting area 4124 under the action of the resilience of the first elastic member 430, and is stably limited in the second positioning area 4122, so that the latch 420 is switched from the folded state to the unfolded state.

In some alternative embodiments, in the third direction, the sliding cavity 411 has two sidewalls disposed opposite to each other, and the guide rail 412 is disposed on one of the sidewalls. Optionally, a limiting groove 415 is disposed on the other side wall along the first direction, and a limiting block 4211 is disposed on a side of the sliding portion 421 facing the limiting groove 415 in a protruding manner, where the limiting block 4211 is located in the limiting groove 415. During the movement of the sliding portion 421 in the first direction with respect to the bottom wall of the sliding cavity 411, the stopper 4211 also slides in the first direction within the stopper groove 415. The limiting groove 415 plays a role in guiding and limiting the limiting block 4211, so that the sliding part 421 moves more stably.

In one possible design, as shown in fig. 2, 10 and 11, the tub cover 200 includes a case 210 and a cover 220, the case 210 and the cover 220 are fastened to each other to form an inner cavity between the case 210 and the cover 220, a mounting groove is formed at a side of the case 210 facing the cover 220, a mounting seat 410 is mounted in the mounting groove, and a through hole is formed through the cover 220 in a first direction. One end of the latch 420 extends out of the cavity through the through hole, or one end of the clamping portion 360 extends into the cavity through the through hole, such that the clamping portion 360 pushes the latch 420 to move relative to the mount 410 in the first direction. In this arrangement, the mounting socket 410 is facilitated by the provision of mounting slots.

In some alternative embodiments, the tub cover 200 is provided with a receiving groove, and the battery compartment 300 is specifically mounted in the receiving groove. The battery 330 groove is limited and protected to a certain extent through the containing groove. The accommodating groove has two opposite side walls in a direction perpendicular to the first direction, and the distance between the push-and-play assembly 400 and one of the side walls is greater than the distance between the push-and-play assembly 400 and the other side wall, that is, the distances between the push-and-play assembly 400 and the two opposite side walls in the accommodating groove are not equal in the direction perpendicular to the first direction. So set up, if the battery compartment 300 is installed reversely, the clamping portion 360 cannot be aligned with the push-and-pull assembly 400 correctly, specifically, the clamping portion 360 cannot be opposite to the lock catch 420, so that in this setting mode, the clamping portion 360 and the push-and-pull assembly 400 are beneficial to be aligned fast, so that the battery compartment 300 and the barrel cover 200 are aligned fast, and the assembly efficiency is improved. Optionally, the receiving groove is specifically disposed on a side of the cover 220 facing away from the housing 210.

In one possible design, as shown in fig. 2 and 11, the grain storage barrel further includes a barrel body 100, the barrel body 100 has a storage cavity 110 and a first opening communicated with the storage cavity 110, the barrel cover 200 covers the first opening, the barrel cover 200 is provided with a pressure relief hole 201 along a first direction, the storage cavity 110 is communicated with the outside through the pressure relief hole 201, a pressure relief assembly 500 is installed in the pressure relief hole 201, and the pressure relief assembly 500 is used for enabling the pressure relief hole 201 to be opened or closed. In the embodiment of the present application, the storage chamber 110 is used for storing grains, seeds or other objects, and the storage chamber 110 is used for storing grains as an example. According to the grain storage barrel provided by the embodiment of the application, the air in the storage cavity 110 is extracted to reduce the oxygen content in the storage cavity 110, so that the propagation of harmful bacteria such as mould, aerophilic bacteria and the like is effectively inhibited, and the purposes of insect prevention and mould prevention are achieved. In this arrangement, the pressure relief assembly 500 is provided to control the opening or closing of the pressure relief hole 201 so as to open the tub cover 200, i.e., to open the first opening. Optionally, as shown in fig. 2, a second sealing member 101 is disposed between the tub cover 200 and the tub body 100, and the second sealing member 101 may be a sealing ring or other sealing structures. When the tub cover 200 covers the first opening, the second sealing member 101 surrounds the first opening. By providing the second sealing member 101, the sealing performance of the grain storage barrel is improved, thereby improving the storage time. The second sealing member 101 may be mounted on the tub cover 200 or the tub body 100, and is not limited thereto. Optionally, the manufacturing material of the ladle body 100 includes melamine material, and the structural strength of the melamine material is stronger, so that the structural strength of the ladle body 100 can be improved. Alternatively, the material of the tub cover 200 may also include melamine material, thereby improving the structural strength of the tub cover 200. Therefore, a plurality of grain storage barrels can be stacked and placed, and the space utilization rate is improved. Optionally, a handle 102 may be connected to the outer side of the tub body 100, where the handle 102 is hinged to the tub body 100, so as to facilitate handling of the grain storage tub, and the handle 102 may be made of leather. Optionally, a plurality of foot pads may be further disposed at the bottom of the barrel body 100, and the foot pads may be made of flexible materials such as rubber or plastic, so as to play a role of anti-skidding.

In some alternative embodiments, as shown in fig. 2, a take-out scoop 700 is detachably mounted to a side of the tub cover 200 facing the storage chamber 110, and grains in the storage chamber 110 are taken out through the take-out scoop 700. Since the take-out scoop 700 is installed at a side of the tub cover 200 facing the storage cavity 110, bacterial growth on the take-out scoop 700 can be reduced. Alternatively, the material taking spoon 700 and the barrel cover 200 may be connected by a magnet of the barrel cover 200, that is, the material taking spoon 700 and the barrel cover 200 are magnetically attracted to the side of the barrel cover 200 facing the storage cavity 110. Optionally, graduations may be provided in the take out scoop 700 to facilitate a user's more accurate grasping of the amount of food taken out.

Alternatively, as shown in fig. 2, a drying box 800 is installed at a side of the tub cover 200 facing the storage chamber 110, one end of the drying box 800 is hinged with the tub cover 200, and the other end is detachably connected with the tub cover 200 by a buckle. The drying box 800 is used for placing a drying bag to reduce the moisture content in the storage chamber 110, thereby prolonging the storage time of grains. The other end of the drying box 800 is detachably coupled to the tub cover 200 by the tub cover 200 being snapped, so that the drying box 800 can be opened to facilitate periodic replacement of the drying bag. In the embodiment of the present application, when the other end of the drying box 800 is separated from the tub cover 200, the drying box 800 may swing around its hinge point with the tub cover 200, so that the drying box 800 is opened. Alternatively, the maximum swing angle of the dry box 800 is 90 °.

In some alternative embodiments, as shown in fig. 2, a suction device 202, such as an air pump, is mounted within the lid 200. The main control board 203 is also installed in the barrel cover 200, the main control board 203 of the barrel cover 200 of the air extractor 202 is electrically connected with the battery 330, and the air extractor 202 is controlled by the controller to extract the air in the storage cavity 110. Optionally, a micro switch 900 is further installed between the lid 200 and the tub 100, where the micro switch 900 is in signal connection with the main control board 203 (in this embodiment of the present application, the signal connection may be a data line connection or a wireless communication connection), and when the lid 200 closes the first opening, the micro switch 900 is triggered to control the air extractor 202 to extract air in the storage cavity 110 through the main control board 203, so that the air extractor 202 does not need to be manually started again, and the degree of automation is higher. In one embodiment, when the lid 200 is closed to the first opening, the micro switch 900 is triggered and sends a signal to the main control board 203, and after about three seconds, the main control board 203 controls the air extractor 202 to extract the air in the storage cavity 110. The micro switch 900 may be mounted on the tub cover 200 or the tub body 100, and is not limited thereto. Optionally, the air extractor 202 and the motherboard are both installed in the cavity formed between the housing 210 and the cover 220, so as to better protect the air extractor 202 and the motherboard through the housing 210 and the cover 220. Optionally, one of the barrel cover 200 and the battery compartment 300 is mounted with a charging spike male seat 340, and the other is mounted with a charging spike female seat 350. The charging thimble male seat 340 is electrically connected with the main control board 203, and when the bullet assembly 400 locks the battery compartment 300, the charging thimble male seat 340 and the charging thimble female seat 350 are mutually contacted to realize the electrical connection between the battery 330 and the main control board 203.

In one possible design, as shown in fig. 12, the pressure relief assembly 500 includes a second elastic member 520, a moving member 510 and a first sealing member 530, where the moving member 510 is slidably disposed in the pressure relief hole 201, the first sealing member 530 is respectively abutted against the moving member 510 and an inner wall of the pressure relief hole 201, and the second elastic member 520 is respectively abutted against the moving member 510 and the lid 200, and the moving member 510 can move in a direction close to the storage cavity 110 to open the pressure relief hole 201. In this arrangement, the moving member 510 is pressed in a direction approaching the storage cavity 110, so that the moving member 510 is separated from the first sealing member 530, or the moving member 510 drives the first sealing member 530 to be separated from the inner wall of the pressure release hole 201, so as to open the pressure release hole 201, so that the storage cavity 110 is depressurized. By the pressure relief method, the pressure relief time is only 1 second, and the pressure relief speed is faster. After the moving member 510 moves towards the direction approaching the storage cavity 110, the second elastic member 520 is compressed, the second elastic member 520 has a rebound tendency after being compressed, and in the rebound process of the second elastic member 520, the second elastic member 520 pushes the moving member 510 to reset, so that the pressure release hole 201 is closed again, and the air in the storage cavity 110 is conveniently extracted subsequently. Alternatively, the second elastic member 520 may be a spring, a rubber member having elastic deformability, or other structure having elastic deformability. The second elastic member 520 is taken as an example of a spring. The first seal 530 may be a sealing ring or other sealing structure.

In some alternative embodiments, the housing 210 is provided with a pressure relief hole 201 therethrough in a first direction, and the cover 220 is provided with a pressing hole therethrough in the first direction. The end of the moving member 510 near the cover 220 is convexly provided with a limiting portion, that is, the maximum size of the limiting platform 511 is larger than the maximum size of the moving portion in the direction perpendicular to the first direction. The limiting platform 511 is located between the cover 220 and the housing 210, the second elastic member 520 is sleeved on the moving member 510, and the second elastic member 520 specifically abuts against the limiting platform 511 and the housing 210. Optionally, the pressure release assembly 500 further includes a pressure release button 512, the cover 220 is provided with a pressing hole along the first direction, the pressure release button 512 is slidably mounted in the pressing hole, and the pressure release button 512 contacts the limiting platform 511. The pressing portion and the stopper 511 are convexly provided at one end of the main body portion away from the storage chamber 110. By pressing the pressure release button 512 toward the direction approaching the storage cavity 110, the pressure release button 512 pushes the limiting platform 511 and the moving member 510 to move toward the direction approaching the storage cavity 110, so as to open the pressure release hole 201. At this time, the second elastic member 520 is compressed, and the second elastic member 520 has a rebound tendency after being compressed, and in the rebound process of the second elastic member 520, the second elastic member 520 pushes the limiting table 511 to reset, so as to drive the moving member 510 and the pressure release button 512 to reset, so that the pressure release hole 201 is closed again, and air in the storage cavity 110 is extracted later. Alternatively, the first sealing member 530 may be mounted on the moving member 510, or may be mounted on the inner wall of the pressure relief hole 201. When the first sealing member 530 is mounted on the moving member 510, the first sealing member 530 is specifically mounted at one end of the main body portion near the storage cavity 110, and a portion of the structure of the first sealing member 530 protrudes out of the side surface of the main body portion, so that the first sealing member 530 abuts against the inner wall of the pressure release hole 201, and further functions to seal the pressure release hole 201. When the first sealing member 530 is mounted on the inner wall of the pressure relief hole 201, a portion of the first sealing member 530 protrudes out of the inner wall of the pressure relief hole 201, so that the first sealing member 530 abuts against the main body.

In one possible design, as shown in fig. 12, the end of the pressure relief hole 201 near the storage cavity 110 has a diverging section, and the diameter of the diverging section gradually decreases from the end near the storage cavity 110 to the end far from the storage cavity 110; the first seal 530 abuts the moving member 510 and the inner wall of the diverging section, respectively. So set up to when moving member 510 moves to the direction of keeping away from storage chamber 110, the butt of first sealing member 530 and the inner wall of diverging section is more stable, is favorable to improving sealed effect.

In one possible design, the lid 200 has a first side facing away from the storage cavity 110. A side of the mover 510 facing away from the storage cavity 110 coincides with the first side, or in the first direction, a side of the mover 510 facing away from the storage cavity 110 is located between the first side and the storage cavity 110. By the arrangement, the movable member 510 can be prevented from colliding with an external object, the movable member 510 is well protected, and meanwhile, the situation that the storage cavity 110 is erroneously decompressed due to the fact that the movable member 510 is touched by mistake is effectively avoided. Specifically, the first side is a side of the cover 220 facing away from the housing 210. When the pressure relief structure further comprises a pressure relief key 512, a side surface of the moving member 510, which is away from the storage cavity 110, is located between the first side surface and the storage cavity 110, and the pressure relief key 512 is located between the limiting table 511 and the first side surface, and optionally, a side surface of the pressure relief key 512, which is away from the storage cavity 110, is coincident with the first side surface, so that the situation that the pressure relief key 512 is touched by mistake to cause the storage cavity 110 to decompress by mistake can be effectively avoided.

In one possible design, as shown in fig. 1 and 12, the tub cover 200 is hinged with the tub 100 through a connection assembly 600, and the connection assembly 600 includes a first connection part 610, a second connection part 620, and a locking part 630, the first connection part 610 is connected with the tub 100, the second connection part 620 is hinged with the tub cover 200, and the first connection part 610 is detachably connected with the second connection part 620 through the locking part 630. In this arrangement, the tub cover 200 is detachably connected to the tub body 100 by the connection assembly 600, so that the tub cover 200 and the tub body 100 can be separated to facilitate cleaning of the tub cover 200 and the tub body 100, respectively. The first connection portion 610 and the tub 100 may be connected by any means such as bonding, welding, clamping or screwing. Alternatively, as shown in fig. 13 and 14, the tub 100 has an installation area 103, the first connection portion 610 is installed in the installation area 103, a positioning column 1031 is convexly provided on the installation area 103, a positioning hole 611 is provided on the first connection portion 610, the positioning column 1031 is located in the positioning hole 611, and by setting the positioning column 1031 and the positioning hole 611, rapid alignment of the first connection portion 610 and the tub 100 is facilitated in the assembly process. Alternatively, the second connection part 620 is connected to the tub cover 200 through a rotation shaft so as to be swingable with respect to the tub body 100 about an axis of the rotation shaft. The shaft may be made of metal, such as stainless steel, and the shaft has high structural strength.

In one possible design, as shown in fig. 15, the second connecting portion 620 is provided with a groove 621 along the first direction, the first connecting portion 610 is located in the groove 621, the first connecting portion 610 is provided with a sliding groove 612 along the third direction, the sliding groove 612 extends along the second direction, the second connecting portion 620 is provided with a second opening 622 along the third direction, one end of the locking portion 630 passes through the second opening 622 and extends into the sliding groove 612, and the locking portion 630 can move relative to the sliding groove 612 and the second opening 622 along the second direction; the first connecting portion 610 is provided with a third opening 613 along the first direction, the third opening 613 is in communication with the chute 612, and the third opening 613 is used for moving the locking portion 630 out of the chute 612 along the first direction. In this arrangement, the second connection portion 620 is limited with respect to the first connection portion 610 in a direction perpendicular to the first direction by the limiting action of the sidewall of the recess 621; then, the second connection part 620 is limited with respect to the first connection part 610 in the first direction by the limiting action of the locking part 630 between the inner walls of the sliding groove 612, so that the first connection part 610 and the second connection part 620 are connected, that is, the tub cover 200 is connected to the tub 100. When the locking portion 630 moves to the third opening 613 along the chute 612, the second connecting portion 620 can be moved away from the first connecting portion 610 along the first direction, so that the lid 200 is separated from the tub 100. The tub cover 200 is hinged to the second connection part 620, so that the tub cover 200 can swing with respect to the second connection part 620, and the tub cover 200 can swing with respect to the tub body 100, so that the tub cover 200 covers the first opening and also the first opening can be opened. Alternatively, the second connection part 620 may be specifically hinged to the lid 220 or the case 210 of the lid 200, which is not limited herein. Optionally, a limiting structure is disposed at the hinge between the second connection portion 620 and the tub cover 200, and when the tub cover 200 swings to a certain angle relative to the tub body 100, the tub cover 200 can be limited relative to the tub body 100 under the limiting effect of the limiting structure. Specifically, the maximum angle at which the tub cover 200 may swing with respect to the tub 100 is 120 °. By the arrangement, the space occupied by the barrel cover 200 when swinging relative to the barrel body 100 can be reduced, namely the space occupied by the grain storage barrel can be reduced.

The above description is illustrative of the various embodiments of the application and is not intended to be limiting, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. The grain storage barrel is characterized by comprising a barrel cover, a battery bin and a pressing bullet assembly, wherein the battery bin is connected with a clamping part, the pressing bullet assembly is arranged on the barrel cover, and the clamping part is arranged opposite to the pressing bullet assembly; the elastic pressing assembly is provided with a locking state and an unlocking state, when the elastic pressing assembly is in the locking state, the elastic pressing assembly locks the clamping part, when the elastic pressing assembly is in the unlocking state, the elastic pressing assembly is separated from the clamping part, and the clamping part can enable part of the structure of the elastic pressing assembly to move relative to the barrel cover along a first direction, so that the elastic pressing assembly is switched between the locking state and the unlocking state.

2. The grain storage tank of claim 1, wherein the snap-shot assembly comprises a mounting seat, a lock catch and a first elastic member, the mounting seat being connected to the lid, the lock catch being slidably mounted to the mounting seat, the first elastic member being located between the lock catch and the mounting seat; when the push-and-play assembly is in a locking state, the lock catch is in a furled state and locks the clamping part, and when the push-and-play assembly is in an unlocking state, the lock catch is in an unfolding state and is separated from the clamping part; the clamping part can enable the lock catch to move along a first direction relative to the mounting seat, so that the spring pressing assembly is switched from an unlocking state to a locking state, and the first elastic piece is compressed by the lock catch and the mounting seat; the first elastic piece is used for enabling the lock catch to move along a first direction relative to the mounting seat, so that the spring pressing assembly is switched from an unlocking state to a locking state.

3. The grain storage barrel of claim 2, wherein the lock catch is connected with a positioning part, the mounting seat is provided with a guide rail, the guide rail is provided with a first positioning area and a second positioning area, the positioning part can move between the first positioning area and the second positioning area along the guide rail under the action of the clamping part or the first elastic piece, when the positioning part is positioned at the first positioning area, the spring pressing assembly is in a locking state, and when the positioning part is positioned at the second positioning area, the spring pressing assembly is in an unlocking state.

4. The grain storage tank of claim 1, wherein the lid is provided with a receiving groove, the battery compartment is mounted in the receiving groove, the receiving groove has two side walls arranged opposite to each other in a direction perpendicular to the first direction, and a distance between the push-and-eject assembly and one of the side walls is greater than a distance between the push-and-eject assembly and the other side wall.

5. The grain storage barrel of any one of claims 1-4, further comprising a barrel body, wherein the barrel body is provided with a storage cavity and a first opening communicated with the storage cavity, the barrel cover covers the first opening, the barrel cover is provided with a pressure relief hole in a penetrating manner along a first direction, the storage cavity is communicated with the outside through the pressure relief hole, a pressure relief assembly is installed in the pressure relief hole, and the pressure relief assembly is used for enabling the pressure relief hole to be opened or closed.

6. The grain storage barrel of claim 5, wherein the pressure release assembly comprises a second elastic piece, a moving piece and a first sealing piece, wherein the moving piece is arranged in the pressure release hole in a sliding penetrating mode, the first sealing piece is respectively abutted with the moving piece and the inner wall of the pressure release hole, the second elastic piece is respectively abutted with the moving piece and the barrel cover, and the moving piece can move towards a direction close to the storage cavity to open the pressure release hole.

7. The grain storage barrel of claim 6, wherein the pressure relief vent has a diverging section at an end proximate the storage chamber, the diverging section having a diameter that tapers from an end proximate the storage chamber to an end distal the storage chamber; the first sealing piece is respectively abutted with the moving piece and the inner wall of the diverging section.

8. The grain storage tub of claim 7, wherein the tub cover has a first side facing away from the storage cavity;

and one side surface of the moving part, which is away from the storage cavity, is overlapped with the first side surface, or in the first direction, one side surface of the moving part, which is away from the storage cavity, is positioned between the first side surface and the storage cavity.

9. The grain storage tank of any one of claims 1-4, further comprising a tank body, the tank cover being hinged to the tank body by a connection assembly, the connection assembly comprising a first connection portion, a second connection portion, and a locking portion, the first connection portion being connected to the tank body, the second connection portion being hinged to the tank cover, the first connection portion being detachably connected to the second connection portion by the locking portion.

10. The grain tank of claim 9, wherein the second connecting portion is provided with a groove along the first direction, the first connecting portion is positioned in the groove, the first connecting portion is provided with a chute along a third direction, the chute extends along a second direction, the second connecting portion is provided with a second opening along the third direction, one end of the locking portion passes through the second opening and protrudes into the chute, and the locking portion can move relative to the chute and the second opening along the second direction; the first connecting portion is provided with a third opening along the first direction, the third opening is communicated with the sliding groove, and the third opening is used for enabling the locking portion to move out of the sliding groove along the first direction.