Vacuum barrel with novel sealing pressure relief structure

Abstract

The utility model provides a vacuum barrel with a novel sealing pressure relief structure. The vacuum barrel comprises a barrel cover and a barrel body, a power supply assembly, an electric sucking pump, a pressing type pressure relief valve, a sucking hole and a pressure relief hole are arranged on the barrel cover; an elastic sealing element is arranged between the pressure relief hole and the pressing type pressure relief valve, the elastic sealing element elastically seals the pressure relief hole in a normal state, the pressing type pressure relief valve can be switched between a first state and a second state, the elastic sealing element seals the pressure relief hole in the first state, and the elastic sealing element is linked to open the pressure relief hole in the second state. Gas in the inner cavity is rapidly pumped out through the electric sucking pump, a vacuum environment is formed, and the preservation time of articles is effectively prolonged; the design of convenient pressure relief is achieved, pressure relief can be achieved by pressing the pressing type pressure relief valve, and the vacuum state can be relieved rapidly and safely; the elastic sealing piece located between the pressing type pressure release valve and the pressure release hole guarantees the air tightness of the pressing type pressure release valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum storage container technical field especially is a kind of vacuum barrel with new type sealing pressure relief structure. BACKGROUND

[0002] In daily life, it is usually necessary to store some articles, such as grains, fruits, vegetables, etc. in a vacuum storage barrel.

[0003] The prior art proposes a vacuum storage barrel, which comprises a barrel body, a barrel cover and a vacuumizing assembly. The vacuumizing assembly can extract the gas in the barrel, so that the negative pressure vacuum in the barrel is realized by the vacuumizing mode after the food is placed in the storage barrel, thereby prolonging the shelf life of the food.

[0004] In order to realize one-key pressure relief, the applicant adopts a press-type pressure relief valve for pressure relief, a pressure relief hole communicating with the internal space of the barrel body is formed in the barrel cover, and the valve is opened after the press-type pressure relief valve is pressed, so that the pressure relief hole is conducted to realize pressure relief. However, the current problem is that the sealing property of the press-type pressure relief valve is not enough, which will cause the pressure relief due to the air tightness problem, the vacuum degree in the barrel cannot be maintained, and further cause the problem of food preservation. Secondly, the press-type pressure relief valve has the problem of unstable connection with the barrel cover, which will cause the valve cap of the pressure relief valve to loosen.

[0005] In addition, although the vacuum can reduce the oxygen in the air, there will still be a small amount of moisture remaining in the vacuum storage barrel, and the moisture may cause the food in the barrel to mildew and breed bacteria, affecting the health and safety of the food.

[0006] In view of the above problems, we provide a new technical solution. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at solving one of the technical problems existing in the prior art. To this end, the utility model provides a vacuum barrel with a new type sealing pressure relief structure, and the technical scheme adopted is as follows:

[0008] A vacuum barrel with a new type sealing pressure relief structure comprises a barrel cover and a barrel body with an inner cavity, the barrel cover is arranged on the barrel body and seals the barrel body; a power supply assembly, an electric air pump, a press-type pressure relief valve, an air extraction hole and a pressure relief hole are arranged on the barrel cover, the air extraction hole and the pressure relief hole are respectively communicated with the space in the barrel body; the electric air pump can extract the air in the barrel through the air extraction hole; an elastic sealing member is arranged between the pressure relief hole and the press-type pressure relief valve, the elastic sealing member elastically seals the pressure relief hole in normal state, the press-type pressure relief valve can switch between a first state and a second state, in the first state, the elastic sealing member seals the pressure relief hole, and in the second state, the elastic sealing member opens the pressure relief hole.

[0009] According to the vacuum barrel with the novel sealing and pressure relief structure, the elastic sealing piece comprises an elastic sealing column, the elastic sealing spring is arranged in the elastic sealing column, and the sealing silica gel is arranged at the bottom of the elastic sealing column.

[0010] According to the vacuum barrel with the novel sealing and pressure relief structure, the elastic sealing piece comprises an elastic sealing column, the elastic sealing spring is arranged in the elastic sealing column, and the sealing silica gel is arranged at the bottom of the elastic sealing column.

[0011] According to the vacuum barrel with the novel sealing and pressure relief structure, the barrel cover comprises a sealing cover and an upper cover, the sealing cover can be screwed to seal the barrel body, the power supply assembly and the electric air pump are arranged between the sealing cover and the upper cover, and the air suction hole and the pressure relief hole are arranged on the sealing cover and are communicated with the space in the barrel body and the space above the sealing cover.

[0012] According to the vacuum barrel with the novel sealing and pressure relief structure, the inside of the sealing cover is provided with a desiccant storage bin for placing a desiccant, a plurality of hollow holes are arranged on the side of the desiccant storage bin, facing the inside of the barrel body, and the side of the desiccant storage bin, facing the sealing cover, faces the pressure relief hole.

[0013] According to the vacuum barrel with the novel sealing and pressure relief structure, the press-type pressure relief valve comprises a valve body and a press cap, the valve body is arranged between the sealing cover and the upper cover, the lower end of the valve body is connected with the elastic sealing column, the upper end of the valve body is connected with the press cap, and the press cap is arranged on the upper cover.

[0014] According to the vacuum barrel with the novel sealing and pressure relief structure, a door lock switch is arranged on the upper end surface of the sealing cover, and the door lock switch is fixedly connected with the bottom of the press cap.

[0015] According to the vacuum barrel with the novel sealing and pressure relief structure, a tool placing cavity for clamping a tool is arranged on the inside of the sealing cover.

[0016] According to the vacuum barrel with the novel sealing and pressure relief structure, the side of the desiccant storage bin, facing the inside of the barrel body, is provided with a detachable bin cover.

[0017] According to the vacuum barrel with the novel sealing and pressure relief structure, a charging port is arranged on the press cap, and the charging port is electrically connected with the power supply assembly for charging.

[0018] Compared with the prior art, the vacuum barrel with the novel sealing and pressure relief structure has the advantages that

[0019] The vacuum barrel with the novel sealing and pressure relief structure has the advantages that the inner cavity gas is quickly extracted by the electric air extraction pump, a vacuum environment is formed, and the fresh-keeping time of the articles is effectively prolonged; the pressure relief is convenient and is realized by pressing the pressure relief valve, and the vacuum state can be quickly and safely released; and the elastic sealing member between the pressure relief valve and the pressure relief hole ensures the air tightness of the pressure relief valve. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0021] Figure 1 is a schematic view of some embodiments of the present utility model;

[0022] Figure 2 is a schematic view of the structure of the barrel cover in some embodiments of the present utility model Figure 1 ;

[0023] Figure 3 is a schematic view of the structure of the barrel cover in some embodiments of the present utility model Figure 2 ;

[0024] Figure 4 is a sectional view of the barrel cover in some embodiments of the present utility model.

[0025] Explanation of main element symbols:

[0026] 10, barrel cover; 11, sealing cover; 12, upper cover; 13, tool placing cavity; 20, barrel body; 30, power supply assembly; 40, electric air extraction pump; 50, pressure relief valve; 51, valve body; 52, pressing cap; 60, pressure relief hole; 70, elastic sealing member; 71, sealing silica gel; 72, elastic sealing spring; 73, elastic sealing column; 80, control circuit board; 90, desiccant storage bin; 100, door lock switch. DETAILED DESCRIPTION

[0027] The embodiments of the present utility model are described in detail below, and the embodiment examples are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout.

[0028] The orientation shown in the drawings cannot be understood as limiting the specific protection scope of the present utility model, and is only for the reference understanding of the preferred embodiments, and the position of the product components shown in the drawings can be changed or the number can be increased or the structure can be simplified.

[0029] The “connection” described in the specification and the “connection” relationship between the components shown in the accompanying drawings can be understood as a fixed connection, a detachable connection, or a connection that forms an integral unit; it can be a direct connection or a connection through an intermediate medium. Those skilled in the art can understand the connection relationship according to the specific circumstances and can derive different implementation methods such as screwing, riveting, welding, snap-fitting, or embedding to suitably replace the connection.

[0030] The directional terms such as up, down, left, right, top, and bottom mentioned in the instruction manual and the directions shown in the attached drawings indicate that the components can directly contact each other or contact each other through other features; for example, "up" can mean directly above or diagonally above, or it simply means above other objects; other directions can be understood by analogy.

[0031] The materials used to manufacture solid-shaped parts as shown in the specification and drawings may be metallic, non-metallic, or other synthetic materials. The machining processes used for solid-shaped parts may include stamping, forging, wire cutting, laser cutting, casting, injection molding, CNC milling, 3D printing, machining, etc. Those skilled in the art may adapt or combine the above materials and manufacturing processes according to different processing conditions, costs, and precision requirements.

[0032] This utility model provides a vacuum bucket with a novel sealing and pressure relief structure, such as... Figure 1 , 2 As shown in Figures 3 and 4, the device includes a lid 10 and a body 20 with an inner cavity. The lid 10 can be placed on the body 20 and seal it. The lid 10 is equipped with a power supply component 30, an electric air pump 40, a press-type pressure relief valve 50, an air extraction hole, and a pressure relief hole 60. The air extraction hole and the pressure relief hole 60 are respectively connected to the space inside the body 20. The electric air pump 40 can extract air from the bucket through the air extraction hole. An elastic sealing element 70 is provided between the pressure relief hole 60 and the press-type pressure relief valve 50. The elastic sealing element 70 elastically seals the pressure relief hole 60 under normal conditions. The press-type pressure relief valve 50 can switch between a first state and a second state. In the first state, the elastic sealing element 70 seals the pressure relief hole 60. In the second state, the elastic sealing element 70 opens the pressure relief hole 60.

[0033] In this embodiment, a switch for controlling the start and stop of the electric air pump 40 may be provided on the outer end face of the lid 10, and a control circuit board 80 is adaptedly provided inside the lid 10.

[0034] In use, the article to be preserved is placed in the inner cavity of the barrel body 20, the barrel cover 10 is covered on the barrel body 20, the barrel cover 10 is tightly closed with the barrel body 20 to form a closed space, the electric air pump 40 in the barrel cover 10 is started, the gas in the inner cavity of the barrel body 20 is pumped out through the air hole to form a vacuum environment, in the vacuum state, the container is kept closed to ensure the preservation effect of the article; when the container needs to be opened, the press type pressure relief valve 50 is pressed, the elastic sealing piece 70 is opened to make the outside air enter the inner cavity of the container, and the vacuum state is released; after pressure relief, the barrel cover 10 is opened, and the preserved article is taken out.

[0035] The vacuum barrel with the novel sealing pressure relief structure has the advantages that the inner cavity gas is quickly pumped out by the electric air pump 40 to form a vacuum environment, the preservation time of the article is effectively prolonged, the pressure relief is realized by pressing the press type pressure relief valve 50, the vacuum state can be quickly and safely released, the air tightness of the press type pressure relief valve 50 is ensured, and the elastic sealing piece 70 between the press type pressure relief valve 50 and the pressure relief hole 60 ensures that the pressure relief hole 60 is tightly sealed.

[0036] Further, in some embodiments of the present application, as shown in Figure 2 , 4 , the elastic sealing piece 70 comprises sealing silica gel 71 and an elastic sealing spring 72 arranged on the sealing silica gel 71, the sealing silica gel 71 blocks the pressure relief hole 60 in the normal state, and the elastic sealing spring 72 presses the sealing silica gel 71 to block the pressure relief hole 60 in the normal state. Specifically, the elastic sealing piece 70 comprises an elastic sealing column 73, the elastic sealing spring 72 is arranged in the elastic sealing column 73, and the sealing silica gel 71 is arranged at the bottom of the elastic sealing column 73; the press type pressure relief valve 50 is linked with the elastic sealing column 73, and the press type pressure relief valve 50 drives the elastic sealing column 73 to move upward in the second state to make the sealing silica gel 71 open the pressure relief hole 60.

[0037] Further, in some embodiments of the present application, as shown in Figure 2 , 3 , 4, the barrel cover 10 comprises a sealing cover 11 and an upper cover 12, the sealing cover 11 can be screwed to seal the barrel body 20; the power supply assembly 30 and the electric air pump 40 are arranged between the sealing cover 11 and the upper cover 12; the air hole and the pressure relief hole 60 are arranged on the sealing cover 11 to communicate the space in the barrel body 20 and the space above the sealing cover 11.

[0038] Further, in some embodiments of the present application, as shown in Figure 3 , 4As shown in the drawings, the inner side of the sealing cover 11 is provided with a desiccant storage bin 90 for placing desiccants, and a plurality of hollow holes are provided on the side of the desiccant storage bin 90 facing the internal space of the barrel body 20, and the side of the desiccant storage bin 90 facing the sealing cover 11 faces the pressure relief hole 60. In order to better preserve the objects, desiccants can be placed in the desiccant storage bin 90, and a detachable bin cover is provided on the side of the desiccant storage bin 90 facing the internal space of the barrel body 20. After opening the bin cover, the desiccants are placed therein, so that after sealing, the desiccants can absorb the moisture in the air in the inner cavity, so as to better prolong the preservation time of the objects; at the same time, the desiccant storage bin 90 also serves as a channel for communication between the internal space of the barrel and the pressure relief hole 60.

[0039] Further, in some embodiments of the present application, as shown in Figure 2 、 3 , the pressing type pressure relief valve 50 includes a valve body 51 and a pressing cap 52, the valve body 51 is arranged between the sealing cover 11 and the upper cover 12, the lower end of the valve body 51 is connected with the elastic sealing column, and the upper end is connected with the pressing cap 52, and the pressing cap 52 is arranged on the upper cover 12.

[0040] In order to ensure the stability of the connection of the pressing type pressure relief valve 50, further, in some embodiments of the present application, as shown in Figure 2 、 4 , a door lock switch 100 is arranged on the upper end surface of the sealing cover 11, and the bottom of the door lock switch 100 is fixedly connected with the pressing cap 52.

[0041] Further, in some embodiments of the present application, as shown in Figure 3 , a tool placing cavity 13 for clamping tools is arranged on the inner side of the sealing cover 11, so that the tools clamped on the barrel cover 10 can be directly taken after the cover is opened. The tool placing cavity 13 is shaped according to the specific tools.

[0042] Further, in some embodiments of the present application, as shown in Figure 3 , a charging port is arranged on the pressing cap 52, and the charging port is electrically connected with the power supply assembly 30 for charging. The power supply assembly 30 can be charged through the charging line at the charging port, and the power supply assembly 30 is a storage battery.

[0043] Although the present application is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through the disclosure that various changes or modifications can be made to the present application without departing from the principles and spirit of the application defined in the claims. Therefore, the detailed description of the embodiments of the present application is only used for explanation, but not for limitation of the present application, and the protection scope is defined by the content of the claims.

Claims

1. A vacuum tank with a novel sealing and pressure relief structure, characterized in that, The device includes a lid (10) and a body (20) with an inner cavity. The lid (10) can be placed on the body (20) and seal the body (20). The lid (10) is provided with a power supply component (30), an electric air pump (40), a press-type pressure relief valve (50), an air extraction hole, and a pressure relief hole (60). The air extraction hole and the pressure relief hole (60) are respectively connected to the space inside the body (20). The electric air pump (40) can extract air from the bucket through the air extraction hole. An elastic seal (70) is provided between the pressure relief hole (60) and the press-type pressure relief valve (50). The elastic seal (70) elastically seals the pressure relief hole (60) under normal conditions. The press-type pressure relief valve (50) can switch between a first state and a second state. In the first state, the elastic seal (70) seals the pressure relief hole (60). In the second state, the elastic seal (70) opens the pressure relief hole (60).

2. The vacuum tank with a novel sealing and pressure relief structure according to claim 1, characterized in that, The elastic seal (70) includes a sealing silicone (71) and an elastic sealing spring (72) disposed on the sealing silicone (71), wherein the sealing silicone (71) blocks the pressure relief hole (60) under normal conditions.

3. The vacuum barrel with a novel sealing and pressure relief structure according to claim 2, characterized in that, The elastic seal (70) includes an elastic sealing column (73), the elastic sealing spring (72) is disposed inside the elastic sealing column (73), and the sealing silicone (71) is disposed at the bottom of the elastic sealing column (73); the press-type pressure relief valve (50) is linked with the elastic sealing column (73), and the press-type pressure relief valve (50) in the second state drives the elastic sealing column (73) to move upward so that the sealing silicone (71) opens the pressure relief hole (60).

4. The vacuum tank with a novel sealing and pressure relief structure according to claim 3, characterized in that, The bucket lid (10) includes a sealing lid (11) and an upper lid (12). The sealing lid (11) can be screwed to seal the bucket body (20). The power supply component (30) and the electric air pump (40) are located between the sealing lid (11) and the upper lid (12). The air extraction hole and the pressure relief hole (60) are located on the sealing lid (11) and connect the space inside the bucket body (20) and the top of the sealing lid (11).

5. The vacuum barrel with a novel sealing and pressure relief structure according to claim 4, characterized in that, A desiccant storage compartment (90) for placing desiccant is provided on the inside of the sealing cover (11). Multiple perforated holes are provided on the side of the desiccant storage compartment (90) facing the internal space of the barrel body (20), and the side facing the sealing cover (11) faces the pressure relief hole (60).

6. A vacuum tank with a novel sealing and pressure relief structure according to claim 5, characterized in that, The press-type pressure relief valve (50) includes a valve body (51) and a press cap (52). The valve body (51) is disposed between the sealing cover (11) and the upper cover (12). The lower end of the valve body (51) is connected to the elastic sealing column (73), and the upper end is connected to the press cap (52). The press cap (52) is disposed on the upper cover (12).

7. A vacuum tank with a novel sealing and pressure relief structure according to claim 6, characterized in that, A door lock switch (100) is provided on the upper end face of the sealing cover (11), and the door lock switch (100) is fixedly connected to the bottom of the pressing cap (52).

8. A vacuum tank with a novel sealing and pressure relief structure according to claim 7, characterized in that, A tool placement cavity (13) for mounting tools is provided on the inner side of the sealing cover (11).

9. A vacuum tank with a novel sealing and pressure relief structure according to claim 8, characterized in that, The desiccant storage compartment (90) has a removable cover on the side facing the interior space of the barrel body (20).

10. A vacuum tank with a novel sealing and pressure relief structure according to claim 6, characterized in that, A charging port is provided on the pressing cap (52), which is electrically connected to the power supply component (30) for charging.

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