Negative pressure vacuum barrel

Abstract

The utility model provides a negative pressure vacuum barrel which comprises a barrel cover and a barrel body with an inner cavity, the barrel cover can cover the barrel body and seal the barrel body, a vent hole is formed in the barrel cover, a one-way valve is arranged in the vent hole, and the one-way valve only needs gas in the inner cavity of the barrel body to flow outwards. A power supply assembly and an electric air extracting pump are arranged on the barrel cover, and the electric air extracting pump can extract air in the inner cavity to the outside through the vent holes; a drying agent storage bin used for containing a drying agent is arranged on the inner side of the can cover. During use, food and other objects can be placed in the inner cavity passing through the barrel body and then sealed through the barrel cover, then the electric air extracting pump is started to extract air in the inner cavity, so that the inner cavity is in a negative pressure state, the objects are better stored, and a drying agent can be placed in the drying agent storage bin of the barrel cover in advance; therefore, after sealing, the drying agent can adsorb moisture in air in the inner cavity, so that the storage time of articles can be better prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum storage containers, in particular to a negative pressure vacuum barrel. Background Art

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

[0003] Current technology has proposed a vacuum storage barrel, which includes a barrel body, a barrel cover, and a vacuum assembly. The vacuum assembly can extract the gas inside the barrel, so that after placing food in the storage barrel, a negative pressure is created in the barrel by vacuuming, thereby extending the shelf life of the food.

[0004] However, although vacuum can reduce the oxygen in the air, there will still be trace amounts of moisture remaining in the barrel, which may cause the food in the barrel to mold and bacteria to grow, affecting the health and safety of the food.

[0005] To address the above issues, we provide a new technical solution. Utility Model Content

[0006] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a negative pressure vacuum barrel, which adopts the following technical solutions:

[0007] A negative pressure vacuum barrel comprises a barrel cover and a barrel body with an inner cavity. The barrel cover can be placed on the barrel body to seal the barrel body. A vent is provided on the barrel cover, and a one-way valve is provided in the vent. The one-way valve only allows the gas in the inner cavity of the barrel body to flow out. The barrel cover is provided with a power supply component and an electric vacuum pump. The electric vacuum pump can extract the gas in the inner cavity to the outside through the vent. A desiccant storage bin for placing desiccant is provided on the inner side of the barrel cover.

[0008] According to a negative pressure vacuum barrel of an embodiment of the present invention, a tool placement cavity for clamping tools is provided on the inner side of the barrel cover.

[0009] According to a negative pressure vacuum barrel of an embodiment of the present invention, the barrel cover includes an inner cover and an outer cover.

[0010] According to a negative pressure vacuum barrel of an embodiment of the present invention, the desiccant storage bin is arranged on the bottom surface of the inner cover, and a detachable bin cover is provided on the desiccant storage bin.

[0011] According to a negative pressure vacuum barrel of an embodiment of the present invention, the tool placement cavity is arranged on the bottom surface of the inner cover.

[0012] According to a negative pressure vacuum barrel of an embodiment of the present invention, the vent hole is arranged on the inner cover to connect the inner cavity of the barrel body and the outer side of the inner cover, and the power supply component and the electric vacuum pump are arranged on the top of the inner cover.

[0013] According to an embodiment of the present invention, a negative pressure vacuum barrel is provided with a push-type pressure relief valve on the barrel cover. The push-type pressure relief valve includes a valve body and a push cap. The push-type pressure relief valve passes through the inner cover and the outer cover, and connects or closes the inner cavity of the barrel and the outside of the barrel cover. The push cap is exposed above the outer cover.

[0014] According to a negative pressure vacuum barrel of an embodiment of the present invention, a charging port is provided on the pressing cap, and the charging port is electrically connected to the power supply component for charging.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] When in use, food and other items can be placed into the inner cavity through the barrel body, and then sealed with the barrel lid. Then, the electric vacuum pump is started to extract the air in the inner cavity, so that the inner cavity is in a negative pressure state to better preserve the items. Desiccant can be placed in the desiccant storage bin of the barrel lid in advance, so that after sealing, the desiccant can absorb the moisture in the air in the inner cavity to better extend the shelf life of the items. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 Schematic diagram of the three-dimensional structure of some embodiments of the present invention Figure 1 ;

[0019] Figure 2 Schematic diagram of the three-dimensional structure of some embodiments of the present invention Figure 2 ;

[0020] Figure 3 The structure of some embodiments of the present invention is shown in FIG. Figure 1 ;

[0021] Figure 4 The structure of some embodiments of the present invention is shown in FIG. Figure 2 ;

[0022] Figure 5 The structure of some embodiments of the present invention is shown in FIG. Figure 3 .

[0023] Description of main component symbols:

[0024] 10. Barrel cover; 11. Inner cover; 12. Outer cover; 20. Barrel body; 30. Power supply assembly; 40. Electric vacuum pump; 50. Desiccant storage compartment; 51. Compartment cover; 60. Control circuit board; 70. Tool placement cavity; 80. Valve body; 90. Press cap; 91. Charging port. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0026] The orientation shown in the drawings cannot be understood as limiting the specific protection scope of the present invention. It is only for reference and understanding of the preferred embodiments. The product components shown in the drawings can be changed in position, increased in number, or simplified in structure.

[0027] The “connection” described in the specification and the mutual “connection” relationship of the components shown in the drawings may be understood as a fixed connection, a detachable connection, or an integral connection; it may be a direct connection or a connection through an intermediate medium. Those skilled in the art may understand the connection relationship according to the specific circumstances and may derive different implementation methods in an appropriate manner by means of screwing, riveting, welding, snapping, or splicing.

[0028] For the directional words such as up, down, left, right, top, and bottom described in the specification and the directions shown in the drawings, the components may be in direct contact or in contact through other features between them; for example, "above" can mean directly above or obliquely above, or it simply means higher than other objects; other directions can also be understood by analogy.

[0029] The materials for making parts with solid shapes shown in the specification and drawings may be metal materials, non-metal materials or other synthetic materials; the mechanical processing techniques used for parts with solid shapes may be stamping, forging, wire cutting, laser cutting, casting, injection molding, CNC milling, 3D printing, machining, etc.; ordinary technicians in this field can adaptively select or combine them according to different processing conditions, costs, and precision, but are not limited to the above-mentioned materials and manufacturing processes.

[0030] The utility model provides a negative pressure vacuum barrel, such as Figure 1 、 2As shown in Figures 3, 4 and 5, a barrel cover 10 and a barrel body 20 having an inner cavity are included. The barrel cover 10 can be placed on the barrel body 20 and seal the barrel body 20. A vent is provided on the barrel cover 10, and a one-way valve is provided in the vent. The one-way valve only allows the gas in the inner cavity of the barrel body 20 to flow out. A power supply component 30 and an electric vacuum pump 40 are provided on the barrel cover 10. The electric vacuum pump 40 can extract the gas in the inner cavity to the outside through the vent. A desiccant storage bin 50 for placing desiccant is provided on the inner side of the barrel cover 10. In an embodiment, the power supply component 30 is a battery that can supply power to the electric vacuum pump 40. A switch for controlling the start and stop of the electric vacuum pump 40 can be provided on the outer end surface of the barrel cover 10. A control circuit board 60 is adaptively provided in the barrel cover 10.

[0031] During use, food and other items can be placed into the inner cavity through the barrel body 20, and then sealed with the barrel cover 10. Then, the electric vacuum pump 40 is started to extract the air in the inner cavity, so that the inner cavity is in a negative pressure state to better preserve the items. Desiccant can be placed in the desiccant storage bin 50 of the barrel cover 10 in advance, so that the desiccant can absorb moisture in the air in the inner cavity after sealing to better extend the shelf life of the items.

[0032] Further, in some embodiments of the present utility model application, such as Figure 3 As shown, a tool placement cavity 70 for clamping tools is provided on the inner side of the barrel cover 10, so that the tool clamped on the barrel cover 10 can be directly taken out after opening the cover. The tool can be a spoon, etc. The shape of the tool placement cavity 70 is set according to the specific tool.

[0033] Further, in some embodiments of the present utility model application, such as Figure 3 、 4 As shown, the barrel cover 10 includes an inner cover 11 and an outer cover 12 .

[0034] The desiccant storage bin 50 is disposed on the bottom surface of the inner cover 11 , and a detachable bin cover 51 is provided on the desiccant storage bin 50 .

[0035] The tool placement cavity 70 is provided on the bottom surface of the inner cover 11 .

[0036] The vent hole is arranged on the inner cover 11 to connect the inner cavity of the barrel body 20 and the outside of the inner cover 11, and the power supply component 30 and the electric vacuum pump 40 are arranged on the top of the inner cover 11.

[0037] Further, in some embodiments of the present utility model application, such as Figure 1 、 2As shown in Figures 4 and 5, a push-type pressure relief valve is provided on the barrel cover 10. The push-type pressure relief valve includes a valve body 80 and a push cap 90. The push-type pressure relief valve passes through the inner cover 11 and the outer cover 12, connecting or closing the inner cavity of the barrel and the outside of the barrel cover 10. The push cap 90 is exposed above the outer cover 12. When it is necessary to open the barrel cover 10 under negative pressure, the push cap 90 is first pressed to release the pressure in the inner cavity. After the pressure relief is completed, the push cap 90 is released to open the barrel cover.

[0038] Further, in some embodiments of the present utility model application, such as Figure 1 、 2 As shown, a charging port 91 is provided on the pressing cap 90 , and the charging port 91 can be connected to the power supply component 30 via an electric wire to charge the power supply component 30 .

[0039] Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications may be made to the present invention without departing from the principles and spirit of the present invention as defined in the claims. Therefore, the detailed description of the disclosed embodiments is intended to illustrate rather than limit the present invention, which shall be defined by the claims.

Claims

1. A negative pressure vacuum barrel, characterized in that: The utility model comprises a barrel cover (10) and a barrel body (20) having an inner cavity. The barrel cover (10) can be covered on the barrel body (20) and seal the barrel body (20). The barrel cover (10) is provided with an air vent, and a one-way valve is provided in the air vent. The one-way valve only allows the gas in the inner cavity of the barrel body (20) to flow out. The barrel cover (10) is provided with a power supply component (30) and an electric vacuum pump (40). The electric vacuum pump (40) can extract the gas in the inner cavity to the outside through the air vent. A desiccant storage bin (50) for placing a desiccant is provided on the inner side of the barrel cover (10).

2. A negative pressure vacuum barrel according to claim 1, characterized in that: A tool placement cavity (70) for clamping tools is provided on the inner side of the barrel cover (10).

3. The negative pressure vacuum barrel according to claim 2, characterized in that: The barrel cover (10) comprises an inner cover (11) and an outer cover (12).

4. The negative pressure vacuum barrel according to claim 3, characterized in that: The desiccant storage bin (50) is arranged on the bottom surface of the inner cover (11), and a detachable bin cover (51) is provided on the desiccant storage bin (50).

5. The negative pressure vacuum barrel according to claim 3, characterized in that: The tool placement cavity (70) is arranged on the bottom surface of the inner cover (11).

6. The negative pressure vacuum barrel according to claim 3, characterized in that: The vent hole is arranged on the inner cover (11) to connect the inner cavity of the barrel body (20) and the outer side of the inner cover (11), and the power supply component (30) and the electric vacuum pump (40) are arranged on the top of the inner cover (11).

7. The negative pressure vacuum barrel according to claim 3, characterized in that: A push-type pressure relief valve is provided on the barrel cover (10), and the push-type pressure relief valve includes a valve body (80) and a push cap (90). The push-type pressure relief valve passes through the inner cover (11) and the outer cover (12), and connects or closes the inner cavity of the barrel and the outer side of the barrel cover (10). The push cap (90) is exposed above the outer cover (12).

8. The negative pressure vacuum barrel according to claim 7, characterized in that: A charging port (91) is provided on the pressing cap (90), and the charging port (91) is electrically connected to the power supply component (30) for charging.

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