Vacuum sealing tank

Abstract

The utility model relates to the technical field of vacuum storage containers, and particularly discloses a vacuum sealing tank. The vacuum sealing tank comprises a tank body and a tank cover with a containing cavity, an air exhaust assembly and an air inflation assembly are arranged in the containing cavity, and the air exhaust assembly can vacuumize the interior of the tank body through an air exhaust connector arranged in the containing cavity; the tank cover is connected with an inflation sealing ring in a sealed mode, and the inflation assembly can inflate the inflation sealing ring so that the inflation sealing ring can make sealed contact with the inner side face of the tank opening of the tank body. According to the vacuum sealing tank, the problem of vacuum failure caused by deformation of the sealing ring can be effectively solved, and the vacuum sealing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum storage container technical field especially relates to a vacuum seal jar. BACKGROUND

[0002] The existing vacuum seal jar generally includes jar body and jar cover with containing cavity, vacuum pump and control unit are arranged in containing cavity, sealing ring is sleeved on the outer circumferential side of jar cover, jar cover and jar body are connected by sealing ring in sealing mode, vacuum pump carries out vacuumizing to jar body through air exhaust pipeline, so that the vacuum degree in vacuum seal jar reaches the pretrial vacuum degree, but the sealing ring will be deformed after keeping vacuum seal for a long time, thereby affecting the vacuum sealing effect and causing vacuum failure. SUMMARY

[0003] The utility model discloses a vacuum seal jar, can effectively solve the problem of vacuum failure caused by the deformation of sealing ring, improve the vacuum sealing effect.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] A kind of vacuum seal jar, including jar body and the jar cover with containing cavity, the containing cavity is provided with air exhaust component and inflation assembly, the air exhaust component can carry out vacuumizing to the jar body by the air exhaust interface arranged in the containing cavity;The jar cover is sealed and connected with inflation sealing ring, and the inflation assembly can inflate the inflation sealing ring, so that the inflation sealing ring and the inner side of the jar body mouth of the jar body are sealed contact.

[0006] Further, annular inflation passage is formed in the jar cover, the containing cavity is provided with inflation interface communicated with the inflation passage;The inflation passage is spaced apart and provided with a plurality of inflation inlets along the ring direction.

[0007] Further, the jar cover includes shell and upper ring, middle ring and lower ring connected with the shell to form the containing cavity, each inflation inlet is formed on the outer circumferential side of the middle ring;The inflation sealing ring is located on the outer circumferential side of the middle ring, and the two ends of the inflation sealing ring are fixed between the upper ring and the middle ring and between the middle ring and the lower ring respectively.

[0008] Further, the middle ring includes female middle ring and male middle ring connected in upper and lower directions, the female middle ring is connected with the upper ring to form the first inflation passage, the male middle ring is connected with the lower ring to form the second inflation passage, the first inflation passage and the second inflation passage are communicated to form the inflation passage.

[0009] Further, the side of the middle ring towards the upper ring and the side of the middle ring towards the lower ring are both provided with positioning groove for positioning the inflation sealing ring.

[0010] Further, the shell has a shielding part extending to the outer circumferential side of the upper ring, the middle ring and the lower ring, and the inner diameter of the shielding part is slightly larger than the outer diameter of the can body mouth of the can body.

[0011] Further, a pressure relief valve is arranged in the receiving cavity, and the pressure relief valve is in communication with the vacuumizing air path of the vacuumizing assembly and the inflation air path of the inflating assembly, and the pressure relief valve is in a closed state when vacuumizing and inflating.

[0012] Further, a window for exposing a switch knob of the pressure relief valve is arranged on the top surface of the can cover, and a screw cap is connected to the switch knob.

[0013] Further, check valves and air pressure switches are arranged in the vacuumizing air path of the vacuumizing assembly and the inflation air path of the inflating assembly.

[0014] The vacuum sealing tank has the advantages that: the inflating sealing ring is inflated by the inflating assembly, and the inflating sealing ring is in sealing contact with the inner side surface of the can body mouth of the can body; then the can body is vacuumized through the vacuumizing interface of the vacuumizing assembly, so that the sealing is completed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a structural schematic view of the vacuum sealing tank.

[0016] Fig. 2 is a sectional structure schematic view of the can cover.

[0017] Fig. 3 is a vacuumizing air path and inflation air path schematic view. DETAILED DESCRIPTION

[0018] The technical scheme of the present application will be further described in combination with the drawings and specific embodiments.

[0019] As shown in the drawings, Figs. 1 to 3 A vacuum sealing tank comprises a can body 1 and a can cover 3 with a receiving cavity 2, wherein the receiving cavity 2 is provided with a vacuumizing assembly 4 and an inflating assembly 5, the vacuumizing assembly 4 is used for vacuumizing the can body 1 through a vacuumizing interface 22 arranged in the receiving cavity 2; the can cover 3 is sealingly connected with an inflating sealing ring 6, and the inflating assembly 5 is used for inflating the inflating sealing ring 6, so that the inflating sealing ring 6 is in sealing contact with the inner side surface of the can body mouth of the can body 1.

[0020] Specifically, in the embodiment, the annular inflation passage 7 is arranged in the cap 3, the inflation interface 21 in communication with the inflation passage 7 is arranged in the accommodation cavity 2, and the pipe joint 23 is connected to the inflation interface 21; the inflation passage 7 is provided with a plurality of inflation inlets 73 arranged at intervals in the circumferential direction, and the gas in the inflation passage 7 can enter the inflation sealing ring 6 through the inflation inlets 73.

[0021] As a preferred embodiment of the utility model, the cap 3 comprises an outer shell 31, and an upper ring 32, a middle ring 33 and a lower ring 34 connected with the outer shell 31 to form the accommodation cavity 2; each inflation inlet 73 is arranged on the outer circumferential side of the middle ring 33; the inflation sealing ring 6 is located on the outer circumferential side of the middle ring 33, and the two ends of the inflation sealing ring 6 are fixed between the upper ring 32 and the middle ring 33 and between the middle ring 33 and the lower ring 34 respectively. The air extraction interface 22 is arranged on the lower ring 34.

[0022] In the embodiment, the middle ring 33 can adopt an integrated structure or a split structure. Fig. 2 As shown in the figure, the middle ring 33 comprises a female middle ring 331 and a male middle ring 332 connected in sequence, the female middle ring 331 is connected with the upper ring 32 to form a first inflation passage 71, the male middle ring 332 is connected with the lower ring 34 to form a second inflation passage 72, and the first inflation passage 71 and the second inflation passage 72 are in communication to form the inflation passage 7. Each inflation inlet 73 can be arranged between the female middle ring 331 and the male middle ring 332, or all of them can be arranged on the female middle ring 331 or the male middle ring 332, or part of them can be arranged on the female middle ring 331 and the other part can be arranged on the male middle ring 332.

[0023] In order to facilitate accurate installation of the inflation sealing ring 6, a positioning groove can be arranged on one side of the middle ring 33 facing the upper ring 32 and one side of the middle ring 33 facing the lower ring 34, which is used for positioning the inflation sealing ring 6.

[0024] In the embodiment, the female middle ring 331 and the upper ring 32, the female middle ring 331 and the male middle ring 332, and the male middle ring 332 and the lower ring 34 are preferably connected in a hot melting manner to ensure the sealing performance of the inflation passage 7 and the inflation sealing ring 6.

[0025] Further, the outer shell 31 has a shielding portion 311 extending to the outer circumferential side of the upper ring 32, the middle ring 33 and the lower ring 34, and the inner diameter of the shielding portion 311 is slightly larger than the outer diameter of the tank body opening of the tank body 1. In the embodiment, the shielding portion 311 can protect the inflation sealing ring 6 and improve the aesthetic appearance.

[0026] In the embodiment, the air extraction assembly 4 comprises a vacuum pump 41, and the vacuum pump 41 and the air extraction interface 22 are in communication through a pipeline to form an air extraction path. The inflation assembly 5 comprises an inflation pump 51, and the inflation pump 51 and the inflation interface 21 are in communication through a pipeline to form an inflation path.

[0027] In the embodiment, the accommodating cavity 2 is further provided with a pressure relief valve 8, which is communicated with the vacuumizing air path of the vacuumizing assembly 4 and the inflation air path of the inflating assembly 5, and is closed during vacuumizing and inflation.

[0028] Further, the top surface of the tank cover 3 is provided with a window 312 for exposing a switch knob 81 of the pressure relief valve 8, and the switch knob 81 is connected with a screw cap 82.

[0029] In the embodiment, the vacuumizing air path of the vacuumizing assembly 4 and the inflation air path of the inflating assembly 5 are both provided with a check valve 91 and an air pressure switch 92.

[0030] In addition, the accommodating cavity 2 can also place circuit boards, power modules and the like.

[0031] The vacuum sealing tank is used, the tank cover 3 is covered at the tank body mouth of the tank body 1, the inflating assembly 5 is inflated to the inflation sealing ring 6 through each inflation inlet 73, the inflation sealing ring 6 is sealed with the inner side surface of the tank body mouth of the tank body 1, the vacuumizing assembly 4 is vacuumized to the tank body 1 through the vacuumizing interface 22, so as to complete sealing.

[0032] The vacuum sealing tank is widely used, and can be used for vacuum storage of tea, dried fruits, food materials, medicinal materials and the like.

[0033] The technical principle of the utility model is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation herein, other specific embodiments of the utility model can be thought of by those skilled in the art without creative labor, and these embodiments will fall within the protection scope of the utility model.

Claims

1. A vacuum-sealed canister, characterized by, The application relates to a canister, which comprises a can body (1) and a can cover (3) with a containing cavity (2), wherein a vacuum extraction assembly (4) and an air charging assembly (5) are arranged in the containing cavity (2), the vacuum extraction assembly (4) can extract vacuum in the can body (1) through a vacuum extraction interface (22) arranged in the containing cavity (2), the can cover (3) is sealingly connected with an air charging sealing ring (6), and the air charging assembly (5) can charge air to the air charging sealing ring (6) so that the air charging sealing ring (6) is sealingly contacted with the inner side of a can body opening of the can body (1).

2. A vacuum-sealed can according to claim 1, characterized in that An annular air charging channel (7) is arranged in the can cover (3), the containing cavity (2) is provided with an air charging interface (21) communicated with the air charging channel (7), and a plurality of air charging inlets (73) are arranged in the air charging channel (7) in a ring direction.

3. A vacuum-sealed can according to claim 2, characterized in that The can cover (3) comprises an outer shell (31), an upper ring (32), a middle ring (33) and a lower ring (34) connected with the outer shell (31) to form the containing cavity (2), each air charging inlet (73) is arranged on the outer circumferential side of the middle ring (33), the air charging sealing ring (6) is arranged on the outer circumferential side of the middle ring (33), and the two ends of the air charging sealing ring (6) are fixed between the upper ring (32) and the middle ring (33) and between the middle ring (33) and the lower ring (34) respectively.

4. A vacuum-sealed can according to claim 3, characterized in that The middle ring (33) comprises a female middle ring (331) and a male middle ring (332) connected in sequence, the female middle ring (331) is connected with the upper ring (32) to form a first air charging channel (71), the male middle ring (332) is connected with the lower ring (34) to form a second air charging channel (72), and the first air charging channel (71) and the second air charging channel (72) are communicated to form the air charging channel (7).

5. A vacuum-sealed tank according to claim 3 or 4, characterized in that The side of the middle ring (33) facing the upper ring (32) and the side of the middle ring (33) facing the lower ring (34) are both provided with positioning grooves for positioning the air charging sealing ring (6).

6. A vacuum-sealed can according to claim 3, characterized in that The outer shell (31) has a shielding part (311) extending to the outer circumferential sides of the upper ring (32), the middle ring (33) and the lower ring (34), and the inner diameter of the shielding part (311) is slightly larger than the outer diameter of the can body opening of the can body (1).

7. The vacuum-sealed canister of claim 1, wherein, A pressure relief valve (8) is further arranged in the containing cavity (2), the pressure relief valve (8) is communicated with a vacuum extraction air path of the vacuum extraction assembly (4) and an air charging air path of the air charging assembly (5), and the pressure relief valve (8) is in a closed state during vacuum extraction and air charging.

8. A vacuum-sealed can according to claim 7, characterized in that A window (312) for exposing a switch knob (81) of the pressure relief valve (8) is arranged on the top surface of the can cover (3), and the switch knob (81) is connected with a rotary cover (82).

9. A vacuum-sealed tank according to claim 1 or 7, wherein Check valves (91) and air pressure switches (92) are arranged in the vacuum extraction air path of the vacuum extraction assembly (4) and the air charging air path of the air charging assembly (5).

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