Vacuum grain storage barrel

Abstract

The utility model belongs to the technical field of pet feeders, and particularly relates to a vacuum grain storage barrel. The vacuum grain storage barrel comprises a vacuumizing assembly, a sensing assembly, a barrel cover and a barrel body provided with a storage space. The can cover is rotationally installed on the can body and used for covering the storage space. The vacuumizing assembly and the induction assembly are both installed on the barrel cover, and the vacuumizing assembly is electrically connected with the induction assembly. The induction assembly is used for extracting the storage space to be in a vacuum state through the vacuumizing assembly when the can cover is opened on the can body. According to the vacuum grain storage barrel, manual additional button triggering and the like are not needed, the vacuumizing assembly can be automatically triggered in the barrel cover covering process, and the convenience and the user experience of the vacuum grain storage barrel are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of grain storage barrels, in particular to a vacuum grain storage barrel. Background Art

[0002] Vacuum storage devices are often used for household food storage, which is used to store food for human or animal consumption. Food stored in vacuum storage devices can extend the shelf life of food. In the prior art, vacuum storage devices are usually provided with a trigger button, but when the vacuum storage device needs to be evacuated, the user needs to trigger the button. Such vacuum storage devices that require manual triggering of the button to evacuate the vacuum have problems such as inconvenient operation and poor user experience. Utility Model Content

[0003] The utility model aims to solve the technical problem that a vacuum storage device in the prior art needs to manually trigger a button to perform vacuum treatment, and provides a vacuum grain storage barrel.

[0004] In view of the above technical problems, the embodiment of the utility model provides a vacuum grain storage barrel, comprising a vacuum pumping component, a sensing component, a barrel cover and a barrel body with a storage space; the barrel cover is rotatably mounted on the barrel body and is used to cover the storage space;

[0005] The vacuuming component and the sensing component are both installed on the barrel cover, and the vacuuming component and the sensing component are electrically connected;

[0006] The sensing component is used to draw the storage space into a vacuum state through the vacuum component when the barrel cover is opened on the barrel body.

[0007] Optionally, the vacuum grain storage barrel also includes a pressure relief assembly and a locking hook rotatably mounted on the barrel cover, and a clamping portion is provided on the outer wall of the barrel body; the barrel cover is closed on the barrel body by clamping the locking hook on the clamping portion; the locking hook is used to relieve pressure on the storage space through the pressure relief assembly when it is disengaged from the clamping portion.

[0008] Optionally, a pressure relief hole is provided on the barrel cover, and the pressure relief assembly includes a first elastic member and a pusher slidably mounted on the barrel cover; a blocking portion and a guide rod are respectively provided on opposite sides of the pusher; the first elastic member is sleeved on the guide rod and abuts against the barrel cover;

[0009] The pushing member is also provided with a pushing portion abutting against the locking hook;

[0010] When the lock hook abuts against the clamping portion, the rebound force of the first elastic member drives the blocking portion to block the pressure relief hole;

[0011] When the lock hook is disengaged from the clamping portion, the lock hook drives the pushing member to move through the pushing portion, so that the blocking portion is connected to the pressure relief hole.

[0012] Optionally, a trigger part is further provided on the barrel body; the sensing component includes a trigger rod, a second elastic member and a trigger switch electrically connected to the vacuum assembly; one end of the trigger rod abuts against the trigger switch and is used to trigger the trigger switch, and the other end of the trigger rod abuts against or is disengaged from the trigger part; the second elastic member is sleeved on the trigger rod and abuts against the barrel cover;

[0013] When the barrel cover is closed on the barrel body, the trigger part drives the trigger rod to move to trigger the trigger switch, and the vacuum assembly draws the storage space into a vacuum state.

[0014] Optionally, the barrel cover is provided with a mounting groove, and the inner wall of the mounting groove is provided with an air extraction hole connected to the storage space; the vacuum grain storage barrel further comprises a one-way valve installed in the air extraction hole;

[0015] The vacuum assembly comprises a housing provided with a housing space, and a vacuum pump and a control panel both installed in the housing space; the control panel is electrically connected to the vacuum pump and the sensing assembly;

[0016] The accommodating shell is provided with an inserting portion, the inserting portion is provided with a through hole connected to the accommodating space, and the air suction port of the vacuum pump is connected to the through hole;

[0017] When the accommodating shell is installed in the installation groove, the one-way valve is inserted into the through hole, and the through hole is connected to the storage space through the one-way valve.

[0018] Optionally, a first electric contact electrically connected to the control board is provided on the accommodating shell, and a second electric contact electrically connected to the sensing component is provided in the mounting groove;

[0019] When the accommodating housing is installed in the installation groove, the first electrical contact is electrically connected to the electrical contact.

[0020] Optionally, the vacuum pumping assembly further includes a vacuum sensor installed in the accommodating space and electrically connected to the control board, wherein the vacuum sensor is connected to the through hole and is used to detect the vacuum degree of the storage space.

[0021] Optionally, the barrel cover includes a top cover and a bottom cover installed on the top cover, and an internal space is provided between the top cover and the bottom cover; the vacuum assembly is detachably mounted on the top cover, and the sensing assembly is installed in the internal space.

[0022] Optionally, the vacuum grain storage barrel further comprises a sealing ring, the sealing ring comprising a first annular portion, a second annular portion and a connecting portion connected between the first annular portion and the second annular portion; an annular groove is provided between the first annular portion and the second annular portion, a plurality of convex portions are provided at intervals at one end of the first annular portion facing the annular groove, and the convex portions extend toward the second annular portion;

[0023] The sealing ring is installed on the barrel cover through the first annular portion;

[0024] When the barrel cover is closed on the barrel body, one end of the second annular portion abuts against the opening edge of the barrel cover, and the other end of the second annular portion abuts against the second annular portion and the convex portion.

[0025] Optionally, the vacuum grain storage barrel further comprises a storage box which is detachably mounted on the barrel cover or the barrel body and is located in the storage space; and / or

[0026] The barrel cover is also provided with a desiccant which is detachably mounted on the barrel cover, and the desiccant is used for drying the storage space.

[0027] In the utility model, when the barrel cover is closed on the barrel body, the barrel cover will trigger the sensing component, and the sensing component will trigger the vacuum component. The vacuum component automatically draws the storage space of the barrel body into a vacuum state, thereby eliminating the need for manual triggering of buttons and the like. The vacuum component can be automatically triggered during the process of closing the barrel cover, thereby improving the convenience of the vacuum grain storage barrel and the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0029] Figure 1 It is a structural schematic diagram of a vacuum grain storage barrel provided by an embodiment of the utility model;

[0030] Figure 2 It is a cross-sectional view of a vacuum grain storage barrel provided by an embodiment of the utility model;

[0031] Figure 3 yes Figure 2 A partial enlarged view of the middle A;

[0032] Figure 4 yes Figure 2 A partial enlarged view of point B in the middle;

[0033] Figure 5 It is a structural schematic diagram of a barrel cover of a vacuum grain storage barrel provided by an embodiment of the utility model;

[0034] Figure 6It is a structural schematic diagram of a vacuum assembly of a vacuum grain storage barrel provided by an embodiment of the utility model;

[0035] Figure 7 It is a partial structural schematic diagram of a vacuum assembly of a vacuum grain storage barrel provided by an embodiment of the utility model;

[0036] Figure 8 It is a cross-sectional view of a sealing ring of a vacuum grain storage barrel provided in one embodiment of the utility model.

[0037] The reference numerals in the specification are as follows:

[0038] 1. Vacuuming assembly; 11. accommodating shell; 111. accommodating space; 112. plug-in part; 113. first electric contact; 12. vacuum pump; 13. control board; 14. battery; 2. induction assembly; 21. trigger rod; 22. second elastic member; 23. trigger switch; 3. barrel cover; 31. lock hook; 32. pressure relief hole; 33. one-way valve; 34. installation groove; 35. second electric contact; 36. top cover; 37. bottom cover; 38. internal space; 4. barrel body; 41. storage space; 42. clamping part; 43. trigger part; 5. pressure relief assembly; 51. first elastic member; 52. pushing member; 521. blocking part; 522. guide rod; 523. pushing part; 6. sealing ring; 61. first annular part; 62. second annular part; 63. connecting part; 64. annular groove; 65. convex part; 7. storage box. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0040] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation of the present invention.

[0041] like Figures 1 to 3 As shown, a vacuum grain storage barrel provided by one embodiment of the utility model includes a vacuum assembly 1, a sensing assembly 2, a barrel cover 3 and a barrel body 4 provided with a storage space 41; the barrel cover 3 is rotatably mounted on the barrel body 4 and is used to cover the storage space 41; it can be understood that the upper portion of the barrel body 4 is an open structure.

[0042] The vacuum assembly 1 and the sensing assembly 2 are both mounted on the barrel cover 3, and the vacuum assembly 1 and the sensing assembly 2 are electrically connected; it can be understood that the sensing assembly 2 includes but is not limited to a trigger switch 23, a trigger sensor, and the like.

[0043] The sensing component 2 is used to draw the storage space 41 into a vacuum state through the vacuum component 1 when the barrel cover 3 is opened on the barrel body 4 .

[0044] Specifically, when the barrel cover 3 is closed on the barrel body 4, the barrel cover 3 will trigger the sensing component 2, and the sensing component 2 will trigger the vacuum component 1. The vacuum component 1 will automatically draw the storage space 41 of the barrel body 4 into a vacuum state, thereby eliminating the need for manual triggering of buttons, etc. The vacuum component 1 can be automatically triggered during the process of closing the barrel cover 3, thereby improving the convenience and user experience of the vacuum grain storage barrel.

[0045] In one embodiment, if Figure 2 and Figure 4 As shown, the vacuum grain storage barrel further includes a pressure relief assembly 5 and a lock hook 31 rotatably mounted on the barrel cover 3, and a clamping portion 42 is provided on the outer wall of the barrel body 4; the barrel cover 3 is covered on the barrel body 4 by the lock hook 31 clamped on the clamping portion 42; the lock hook 31 is used to release pressure on the storage space 41 through the pressure relief assembly 5 when it is disengaged from the clamping portion 42. It can be understood that the lock hook 31 is not only used to cover the barrel cover 3 on the barrel body 4 through the clamping portion 42, but also used to trigger the pressure relief assembly 5 to release pressure on the vacuum storage space 41 through the pressure relief assembly 5.

[0046] Specifically, the barrel cover 3 is closed on the barrel body 4 by the locking hook 31 that is clamped on the clamping portion 42; but when the barrel cover 3 needs to be opened from the barrel body 4, the locking hook 31 is moved to disengage the locking hook 31 from the clamping portion 42, and in the process of moving the locking hook 31, the locking hook 31 will trigger the pressure relief component 5, and the pressure relief component 5 will relieve the pressure of the storage space 41. The storage space 41 after pressure relief makes it easy for the barrel cover 3 to be opened from the barrel body 4.

[0047] In one embodiment, if Figure 2 and Figure 4As shown, the barrel cover 3 is provided with a pressure relief hole 32, and the pressure relief assembly 5 includes a first elastic member 51 and a pushing member 52 slidably mounted on the barrel cover 3; the pushing member 52 is provided with a blocking portion 521 and a guide rod 522 on opposite sides thereof; the first elastic member 51 is sleeved on the guide rod 522 and abuts against the barrel cover 3; it can be understood that the opposite ends of the first elastic member 51 abut against the pushing member 52 and the barrel cover 3 respectively, and the first elastic member 51 is used to drive the pushing member 52 to reset.

[0048] The pushing member 52 is further provided with a pushing portion 523 that abuts against the locking hook 31 ; it can be understood that the pushing portion 523 extends from the barrel cover 3 and abuts against the locking hook 31 .

[0049] When the lock hook 31 is in contact with the clamping portion 42, the rebound force of the first elastic member 51 drives the blocking portion 521 to block the pressure relief hole 32; specifically, when the barrel cover 3 is closed on the barrel body 4, the lock hook 31 is clamped with the clamping portion 42, and the rebound force of the first elastic member 51 will drive the first trigger portion 43 to move toward the lock hook 31 until the blocking portion 521 is inserted into the pressure relief hole 32 and the pressure relief hole 32 is in a closed state.

[0050] When the lock hook 31 is disengaged from the clamping portion 42, the lock hook 31 drives the pusher 52 to move through the pusher 523, so that the blocking portion 521 is connected to the pressure relief hole 32. Specifically, the lock hook 31 is moved, and the lock hook 31 is disengaged from the clamping portion 42, and in the process of moving the lock hook 31, the lock hook 31 drives the pusher 52 to move through the pusher 523 until the blocking portion 521 is separated from the pressure relief hole 32, so that the pressure relief hole 32 is in a conducting state, and the storage space 41 is depressurized through the pressure relief hole 32 in the conducting state, so that the barrel cover 3 is convenient to open from the barrel body 4. Further, in the process of the lock hook 31 driving the pusher 52 to move, the pusher 52 will compress the first elastic member 51. In this embodiment, the pressure relief assembly 5 has a simple structure and low manufacturing cost.

[0051] In one embodiment, if Figure 2 and Figure 3As shown, a trigger portion 43 is also provided on the barrel body 4; the sensing component 2 includes a trigger rod 21, a second elastic member 22 and a trigger switch 23 electrically connected to the vacuum assembly 1; one end of the trigger rod 21 abuts against the trigger switch 23 and is used to trigger the trigger switch 23, and the other end of the trigger rod 21 abuts against or disengages from the trigger portion 43; the second elastic member 22 is sleeved on the trigger rod 21 and abuts against the barrel cover 3; it can be understood that the second elastic member 22 includes but is not limited to a spring, etc., the opposite ends of the second elastic member 22 abut against the trigger rod 21 and the barrel cover 3 respectively, and the second elastic member 22 is used to reset the trigger rod 21.

[0052] When the barrel cover 3 is closed on the barrel body 4 , the trigger portion 43 drives the trigger rod 21 to move to trigger the trigger switch 23 , and the vacuum assembly 1 draws the storage space 41 into a vacuum state.

[0053] Specifically, when the barrel cover 3 is closed on the barrel body 4, the trigger portion 43 on the barrel body 4 will push the trigger rod 21 to move toward the trigger switch 23 until the end of the trigger rod 21 away from the trigger portion 43 triggers the trigger switch 23. After the trigger switch 23 is triggered, the vacuum assembly 1 will automatically draw the storage space 41 into a vacuum state. In this embodiment, the induction assembly 2 has a simple structure and low manufacturing cost.

[0054] Furthermore, a groove is provided on the barrel body 4. When the barrel cover 3 is opened from the barrel body 4, the rebound force of the second elastic member 22 will cause the end of the trigger rod 21 away from the trigger switch 23 to extend into the groove, and the end of the trigger rod 21 away from the groove will be detached from the trigger switch 23.

[0055] In one embodiment, if Figures 5 to 7 As shown, the barrel cover 3 is provided with a mounting groove 34, and the inner wall of the mounting groove 34 is provided with an exhaust hole connected to the storage space 41; the vacuum grain storage barrel also includes a one-way valve 33 installed in the exhaust hole; it can be understood that the mounting groove 34 is arranged on the top of the barrel cover 3, and when the barrel cover 3 is closed on the barrel body 4, the one-way valve 33 is connected to the storage space 41.

[0056] The vacuum extraction component 1 includes a accommodating shell 11 with an accommodating space 111, and a vacuum pump 12 and a control board 13 both installed in the accommodating space 111; the control board 13 is electrically connected to the vacuum pump 12 and the sensing component 2; preferably, the accommodating shell 11 includes a shell and a shell cover that is detachably covered on the shell, and the accommodating space 111 is arranged on the shell.

[0057] The accommodating shell 11 is provided with a plug-in portion 112, and the plug-in portion 112 is provided with a through hole connected to the accommodating space 111, and the air suction port of the vacuum pump 12 is connected to the through hole; it can be understood that the plug-in portion 112 is arranged at the bottom of the accommodating shell 11 and extends downward.

[0058] When the accommodating shell 11 is installed in the installation groove 34 , the one-way valve 33 is inserted into the through hole, and the through hole is connected to the storage space 41 through the one-way valve 33 .

[0059] Specifically, when the accommodating shell 11 is installed in the mounting groove 34 of the barrel cover 3, the one-way valve 33 is inserted into the through hole, and the one-way valve 33 is in a conducting state, and the air suction port of the vacuum pump 12 is connected to the storage space 41 through the through hole and the one-way valve 33 in turn; thus, the vacuum pump 12 can draw the storage space 41 into a vacuum state. After the accommodating shell 11 is removed from the barrel cover 3, the one-way valve 33 is in a closed state, so that the storage space 41 will not be depressurized through the one-way valve 33. In this embodiment, the vacuum assembly 1 can be removed from the barrel cover 3 and used alone, thereby improving the applicability and versatility of the vacuum grain storage barrel.

[0060] Furthermore, the vacuum assembly 1 also includes a battery 14 installed in the accommodating space 111 , and the battery 14 is electrically connected to the control board 13 , so that the battery 14 can provide electrical energy to the control board 13 , the vacuum pump 12 and the trigger switch 23 .

[0061] In one embodiment, if Figure 5 and Figure 6 As shown, the accommodating shell 11 is provided with a first electric contact 113 electrically connected to the control board 13, and the mounting groove 34 is provided with a second electric contact 35 electrically connected to the sensing component 2; it can be understood that the first electric contact 113 and the second electric contact 35 include but are not limited to pins and sockets, etc.; the first electric contact 113 is arranged at the bottom of the accommodating shell 11 and extends downward.

[0062] When the accommodating housing 11 is installed in the mounting groove 34, the first electric contact 113 is electrically connected to the second electric contact 35. Specifically, after the accommodating housing 11 is installed in the mounting groove 34, the first electric contact 113 is in contact with the second electric contact 35, so that the control board 13 is electrically connected to the trigger switch 23 through the first electric contact 113 and the second electric contact 35 that are in contact with each other. When the bottom of the accommodating housing 11 is separated from the mounting groove 34, the first electric contact 113 is disconnected from the second electric contact 35.

[0063] In one embodiment, the vacuum assembly 1 further includes a vacuum sensor (not shown in the figure) installed in the accommodating space 111 and electrically connected to the control board 13. The vacuum sensor is connected to the through hole and is used to detect the vacuum degree of the storage space 41. Specifically, when the barrel cover 3 is closed on the barrel body 4, the vacuum sensor can detect the vacuum degree of the storage space 41 in real time; when the vacuum sensor detects that the vacuum degree of the storage space 41 is less than the preset pressure, the control board 13 will control the vacuum pump 12 to vacuum the storage space 41; when the vacuum sensor detects that the vacuum degree of the storage space 41 is greater than or equal to the preset pressure, the control board 13 will control the vacuum pump 12 to stop vacuuming the storage space 41. In this embodiment, the design of the vacuum sensor improves the automation level of the vacuum grain storage barrel.

[0064] In one embodiment, if Figure 2 As shown, the barrel cover 3 includes a top cover 36 and a bottom cover 37 installed on the top cover 36, and an internal space 38 is provided between the top cover 36 and the bottom cover 37; the vacuum assembly 1 is detachably installed on the top cover 36, and the sensing assembly 2 is installed in the internal space 38. It should be noted that the pressure relief assembly 5 is also installed in the internal space 38; the end of the trigger rod 21 away from the trigger switch 23 extends from the internal space 38, and the pushing portion 523 of the pushing member 52 extends from the internal space 38. In this embodiment, the barrel cover 3 is composed of the top cover 36 and the bottom cover 37, and the sensing assembly 2 and the pressure relief assembly 5 are hidden in the internal space 38 between the top cover 36 and the bottom cover 37, so as to avoid the external environment from intruding on the sensing assembly 2 and the pressure relief assembly 5, thereby extending the service life of the vacuum grain storage barrel.

[0065] In one embodiment, the inner wall of the bottom cover 37 is provided with honeycomb convex ribs, and the design of the honeycomb convex ribs enhances the strength and rigidity of the barrel cover 3.

[0066] In one embodiment, if Figure 2 and Figure 8 As shown, the vacuum grain storage barrel also includes a sealing ring 6, which includes a first annular portion 61, a second annular portion 62 and a connecting portion 63 connected between the first annular portion 61 and the second annular portion 62; an annular groove 64 is provided between the first annular portion 61 and the second annular portion 62, and a plurality of convex portions 65 distributed at intervals are provided at one end of the first annular portion 61 facing the annular groove 64, and the convex portions 65 extend toward the second annular portion 62; it can be understood that the first annular portion 61, the second annular portion 62 and the connecting portion 63 are an integrally formed part.

[0067] The sealing ring 6 is installed on the barrel cover 3 through the first annular portion 61; it can be understood that the first annular portion 61 can be fixed to the barrel cover 3 by gluing, snapping, screw connection, etc., and the opening of the annular groove 64 faces away from the storage space 41.

[0068] When the barrel cover 3 is closed on the barrel body 4 , one end of the second annular portion 62 abuts against the opening edge of the barrel cover 3 , and the other end of the second annular portion 62 abuts against the second annular portion 62 and the convex portion 65 .

[0069] In this embodiment, when the barrel cover 3 is covered on the barrel body 4, the opening edge of the barrel body 4 will press the second annular portion 62 against the first annular portion 61, and the second annular portion 62 is in contact with the first annular portion 61, thereby ensuring the sealing of the barrel cover 3 on the barrel body 4. In addition, the design of the convex portion 65 makes it easy to separate the first annular portion 61 from the second annular portion 62 when the barrel cover 3 is opened from the barrel body 4, thereby extending the service life of the sealing ring 6.

[0070] In one embodiment, if Figure 2 As shown, the vacuum grain storage barrel further includes a storage box 7 detachably mounted on the barrel cover 3 or the barrel body 4 and located in the storage space 41; it can be understood that the storage box 7 can be detachably mounted on the barrel cover 3 or the barrel body 4 through a snap structure, a lock structure, etc. In this embodiment, different foods can be stored in the storage box 7 and the barrel body 4, which improves the applicability and versatility of the vacuum grain storage barrel.

[0071] In one embodiment, the barrel cover 3 is further provided with a desiccant (not shown) detachably mounted on the barrel cover 3, and the desiccant is used to dry the storage space 41. Further, the barrel cover 3 is provided with a storage space connected to the storage space 41, and the desiccant is detachably mounted in the storage space 41. In this embodiment, the desiccant can ensure the dryness of the storage space 41.

[0072] The above are only embodiments of the vacuum grain storage barrel of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum grain storage barrel, characterized in that: It comprises a vacuum assembly, a sensing assembly, a barrel cover and a barrel body with a storage space; the barrel cover is rotatably mounted on the barrel body and is used to cover the storage space; The vacuuming component and the sensing component are both installed on the barrel cover, and the vacuuming component and the sensing component are electrically connected; The sensing component is used to draw the storage space into a vacuum state through the vacuum component when the barrel cover is opened on the barrel body.

2. The vacuum grain storage barrel according to claim 1, characterized in that: The vacuum grain storage barrel also includes a pressure relief component and a locking hook rotatably installed on the barrel cover, and a clamping portion is provided on the outer wall of the barrel body; the barrel cover is closed on the barrel body by clamping the locking hook on the clamping portion; the locking hook is used to relieve pressure in the storage space through the pressure relief component when it is disengaged from the clamping portion.

3. The vacuum grain storage barrel according to claim 2, characterized in that: The barrel cover is provided with a pressure relief hole, and the pressure relief assembly includes a first elastic member and a pusher slidably mounted on the barrel cover; opposite sides of the pusher are respectively provided with a blocking portion and a guide rod; the first elastic member is sleeved on the guide rod and abuts against the barrel cover; The pushing member is also provided with a pushing portion abutting against the locking hook; When the lock hook abuts against the clamping portion, the rebound force of the first elastic member drives the blocking portion to block the pressure relief hole; When the lock hook is disengaged from the clamping portion, the lock hook drives the pushing member to move through the pushing portion, so that the blocking portion is connected to the pressure relief hole.

4. The vacuum grain storage barrel according to claim 1, characterized in that: The barrel body is also provided with a trigger part; the sensing component includes a trigger rod, a second elastic member and a trigger switch electrically connected to the vacuum assembly; one end of the trigger rod abuts against the trigger switch and is used to trigger the trigger switch, and the other end of the trigger rod abuts against or is out of abutment with the trigger part; the second elastic member is sleeved on the trigger rod and abuts against the barrel cover; When the barrel cover is closed on the barrel body, the trigger part drives the trigger rod to move to trigger the trigger switch, and the vacuum assembly draws the storage space into a vacuum state.

5. The vacuum grain storage barrel according to claim 1, characterized in that: The barrel cover is provided with a mounting groove, and the inner wall of the mounting groove is provided with an air extraction hole connected to the storage space; the vacuum grain storage barrel also includes a one-way valve installed in the air extraction hole; The vacuum assembly comprises a housing provided with a housing space, and a vacuum pump and a control panel both installed in the housing space; the control panel is electrically connected to the vacuum pump and the sensing assembly; The accommodating shell is provided with an inserting portion, the inserting portion is provided with a through hole connected to the accommodating space, and the air suction port of the vacuum pump is connected to the through hole; When the accommodating shell is installed in the installation groove, the one-way valve is inserted into the through hole, and the through hole is connected to the storage space through the one-way valve.

6. The vacuum grain storage barrel according to claim 5, characterized in that: The accommodating shell is provided with a first electric contact electrically connected to the control board, and the mounting groove is provided with a second electric contact electrically connected to the sensing component; When the accommodating housing is installed in the installation groove, the first electrical contact is electrically connected to the second electrical contact.

7. The vacuum grain storage barrel according to claim 5, characterized in that: The vacuum pumping assembly further includes a vacuum sensor installed in the accommodating space and electrically connected to the control board. The vacuum sensor is connected to the through hole and is used to detect the vacuum degree of the storage space.

8. The vacuum grain storage barrel according to claim 1, characterized in that: The barrel cover comprises a top cover and a bottom cover installed on the top cover, and an internal space is provided between the top cover and the bottom cover; the vacuum assembly is detachably installed on the top cover, and the sensing assembly is installed in the internal space.

9. The vacuum grain storage barrel according to any one of claims 1 to 8, characterized in that: The vacuum grain storage barrel further includes a sealing ring, which includes a first annular portion, a second annular portion, and a connecting portion connected between the first annular portion and the second annular portion; an annular groove is provided between the first annular portion and the second annular portion, and a plurality of convex portions are provided at intervals at one end of the first annular portion facing the annular groove, and the convex portions extend toward the second annular portion; The sealing ring is installed on the barrel cover through the first annular portion; When the barrel cover is closed on the barrel body, one end of the second annular portion abuts against the opening edge of the barrel cover, and the other end of the second annular portion abuts against the second annular portion and the convex portion.

10. The vacuum grain storage barrel according to any one of claims 1 to 8, characterized in that: The vacuum grain storage barrel further comprises a storage box which is detachably mounted on the barrel cover or the barrel body and is located in the storage space; and / or The barrel cover is also provided with a desiccant which is detachably mounted on the barrel cover, and the desiccant is used for drying the storage space.

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