Magnetic type sealed vacuum tank

Abstract

The utility model discloses a magnetic type sealed vacuum tank which comprises a cavity shell cover body, a pump cavity shell body and a vacuum barrel tank, the bottom of the cavity shell cover body is provided with a cover bottom plug protruding part, the cavity shell cover body is buckled to the top of the vacuum barrel tank through the cover bottom plug protruding part in a plugged mode, the pump cavity shell body is attracted to the top of the cavity shell cover body, and the vacuum barrel tank is arranged on the pump cavity shell body. An air suction hole plug limiting hole and an air inlet plug column limiting hole are formed in the cavity shell cover body, a one-way air suction hole plug is installed in the air suction hole plug limiting hole, and a pressing air inlet plunger is installed in the air inlet plug column limiting hole. The fresh-keeping device has the beneficial effects that the cover body and the pump set are connected in a magnetic attraction alignment mode, mounting, dismounting and alignment are convenient, the air pressure sensor is arranged at the bottom of the cavity shell cover body, the digital display body is arranged on the surface of the cavity shell cover body, the pump machine stops working only when the negative pressure value in the tank body reaches a calibrated value during suction every time, the fresh-keeping effect is better, and the service life of the pump machine is prolonged. And meanwhile, the air tap is blocked at the air suction plug hole through the soft rubber ring, so that the sealing effect is better.

Description

Technical Field

[0001] The utility model relates to the field of vacuum tanks, in particular to a magnetic suction type sealed vacuum tank. Background Art

[0002] The air contains more oxygen and moisture. Generally, food left in the air will oxidize and spoil faster. Household vacuum cans are now available on the market, which can better store food by sucking vacuum from the can. However, the existing vacuum can pumps make a lot of noise when working, and the working time of the pumps is arbitrary. There is no specific negative pressure value measurement, the actual vacuum level in the vacuum can cannot be standardized, the freshness preservation is poor, and the connection between the pump and the cover is mostly a mechanical snap-on structure, which is inconvenient to snap on and disassemble. Utility Model Content

[0003] The purpose of the utility model is to provide a magnetic suction type sealed vacuum tank in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A magnetically sealed vacuum tank, comprising a chamber shell cover, a pump chamber shell and a vacuum tank, wherein the bottom of the chamber shell cover is provided with a cover bottom plug convex portion, the chamber shell cover is buckled to the top of the vacuum tank through the cover bottom plug convex portion, the pump chamber shell is sucked on the top of the chamber shell cover, the chamber shell cover is provided with an air suction hole plug limiting hole and an air intake plug column limiting hole, a one-way air suction hole plug is installed in the air suction hole plug limiting hole, a pressing air intake plunger is installed in the air intake plug column limiting hole, a vacuum pump is installed in the pump chamber of the pump chamber shell, an air guide pipe is connected to the air inlet of the vacuum pump, and the bottom of the pump chamber shell is provided with a vacuum pump. An air nozzle is embedded in the part, a soft rubber ring sealing ring is installed on the outer mouth edge of the air nozzle, the end of the air guide tube is connected to the air nozzle, an air nozzle sealing ring groove is provided at the top hole edge of the air suction hole plug, the soft rubber ring sealing ring is pressed into the air nozzle sealing ring groove, an electrical connection socket is embedded in the top surface of the cavity shell cover, an electrical connection pin body is plugged into the electrical connection socket, and the electrical connection pin body is installed at the bottom of the pump cavity shell, a circuit board and a cover magnetic column are installed in the cover cavity of the cavity shell cover, a top magnetic body is installed at the bottom of the pump cavity, and an air pressure sensor is embedded in the bottom of the cavity shell cover.

[0006] Furthermore, the one-way air suction hole plug is composed of an air hole main plug body and a frustum-shaped cavity thin wall integrally installed on the top of the air hole main plug body, the air hole main plug body is provided with an air suction through hole, the air suction through hole is connected with the frustum-shaped cavity arranged in the frustum-shaped cavity thin wall, and the top of the frustum-shaped cavity is provided with a cavity wall air gap.

[0007] Furthermore, the pressing intake plunger is composed of a plunger, a pressing portion and a blocking plug portion respectively installed at the upper and lower ends of the plunger, an intake hole limiting ring convex portion is provided in the intake plug limiting hole, the intake hole limiting ring convex portion is sleeved on the outside of the plunger, and an intake plunger negative pressure offset spring is sleeved and installed on the plunger between the intake hole limiting ring convex portion and the pressing portion.

[0008] Furthermore, a push switch is installed in the pump chamber, a pressing body is embedded and installed on the pump chamber housing, the bottom of the pressing body is pressed onto the push switch, and the push switch is communicatively connected with the electrical connection pin.

[0009] Furthermore, a battery is installed in the cover cavity, and a digital display body is embedded and installed on the top of the cavity shell cover.

[0010] Furthermore, a charging plug is embedded and installed on the side shell wall of the pump chamber housing, and the charging plug is communicatively connected with the electrical connection pin body.

[0011] Furthermore, a drain pan is placed at the bottom of the barrel cavity of the vacuum tank, and a support foot is installed at the bottom of the drain pan.

[0012] Furthermore, cover side ears are installed on the cover side walls of the cavity shell cover.

[0013] Furthermore, an air inlet plug limiting ring recess is provided on the outer plug wall of the air hole main plug body, an air intake hole limiting ring convex is provided on the inner hole wall of the air intake hole plug limiting hole, and the air intake hole limiting ring convex is arranged in the air inlet plug limiting ring recess.

[0014] The beneficial effects are: the cover body and the pump group of the magnetic sealed vacuum tank described in the utility model are connected by a magnetic alignment method, which is convenient for installation and disassembly, and the alignment is convenient. An air pressure sensor is provided at the bottom of the cavity shell cover body, and a digital display is provided on the surface of the cavity shell cover body. Each time suction is performed, the negative pressure value in the tank body reaches the calibrated value, and the pump stops working, which has a better preservation effect. At the same time, the air nozzle is blocked by a soft rubber ring at the suction plug hole, which has a better sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural diagram of a magnetic sealing vacuum tank described in the utility model;

[0016] Figure 2 This is a top structural diagram of a cover of a magnetic sealed vacuum tank described in the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of a chamber shell cover and a pump chamber shell of a magnetic suction sealed vacuum tank described in the utility model;

[0018] Figure 4 This is a schematic diagram of the interior of a pump chamber of a magnetically sealed vacuum tank described in the utility model;

[0019] Figure 5 This is a schematic diagram of the interior of the cover cavity of a magnetically sealed vacuum tank described in the utility model;

[0020] Figure 6 It is a schematic diagram of the bottom of the cover of a magnetically sealed vacuum tank described in the utility model;

[0021] Figure 7 It is an enlarged schematic diagram of structure A of a magnetic suction sealed vacuum tank described in the utility model;

[0022] Figure 8 It is a schematic diagram of a one-way air suction hole plug of a magnetic suction sealed vacuum tank described in the utility model;

[0023] Fig. 9 The utility model discloses a vacuum barrel tank structure diagram of a magnetic suction type sealed vacuum tank.

[0024] The following are the descriptions of the reference numerals:

[0025] 1. Cavity shell cover; 2. Pump cavity shell; 3. Vacuum barrel; 4. Cover bottom plug convex part; 5. One-way suction hole plug, 51. Air hole main plug body, 52. Suction through hole, 53. Cone cavity thin wall, 54. Cavity wall air gap, 55. Intake plug limit ring concave part; 6. Press the intake plunger, 61. Plug, 62. Pressing part, 63. Stop plug part; 7. Electrical connection socket; 8. Digital display body; 9. Top magnetic body; 10. Cover magnetic column; 11. Battery; 12. Circuit board; 13. Charging plug; 14. Pressing body; 15. Air duct; 16. Air nozzle; 17. Soft rubber ring sealing ring; 18. Push switch; 19. Intake plunger negative pressure offset spring; 20. Vacuum pump; 21. Cover body side ear; 22. Air nozzle sealing ring groove; 23. Intake plug limit hole; 24. Intake hole limit ring convex part; 25. Intake hole limit ring convex part; 26. Intake hole plug limit hole; 27. Drain tray; 28. Air pressure sensor. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings:

[0027] like Figure 1-Figure 9 As shown, a magnetic sealed vacuum tank is composed of a chamber shell cover 1, a pump chamber shell 2 and a vacuum barrel 3;

[0028] A cover bottom plug convex portion 4 is provided at the bottom of the chamber shell cover 1, and the chamber shell cover 1 is buckled to the top of the vacuum tank 3 through the cover bottom plug convex portion 4, and the pump chamber housing 2 is sucked on the top of the chamber shell cover 1;

[0029] The cavity shell cover 1 is provided with an air suction hole plug limiting hole 26 and an air inlet plug limiting hole 23, and a one-way air suction hole plug 5 is installed in the air suction hole plug limiting hole 26. The one-way air suction hole plug 5 is composed of an air hole main plug body 51 and a frustum cavity thin wall 53 integrally installed on the top of the air hole main plug body 51. An air suction through hole 52 is provided on the air hole main plug body 51, and the air suction through hole 52 is connected to the frustum cavity arranged in the frustum cavity thin wall 53. A cavity wall air gap 54 is provided on the top of the frustum cavity. The frustum cavity thin wall 53 is a rubber structure with a thin wall, which is convenient for gas to be discharged from the bottom upward through the cavity wall air gap 54, and has a blocking effect on the entry of gas from the outside. 3 is provided with a pressing air intake plunger 6, which is composed of a plug 61, a pressing portion 62 and a blocking plug portion 63 respectively installed at the upper and lower ends of the plug 61, an air intake hole limiting ring convex portion 24 is provided in the air intake plug limiting hole 23, and the air intake hole limiting ring convex portion 24 is sleeved on the outer side of the plug 61, and an air intake plunger negative pressure offset spring 19 is sleeved and installed on the plug 61 between the air intake hole limiting ring convex portion 24 and the pressing portion 62. When air intake is required, the pressing air intake plunger 6 is pressed to allow gas to enter the vacuum tank 3, and the air intake plunger negative pressure offset spring 19 has an upward pressing pressure on the pressing air intake plunger 6 to offset the negative pressure in the vacuum tank 3;

[0030] A vacuum pump 20 is installed in the pump chamber of the pump chamber housing 2, and an air guide pipe 15 is connected to the air inlet of the vacuum pump 20. An air nozzle 16 is embedded and installed at the bottom of the pump chamber housing 2, and a soft rubber ring sealing ring 17 is installed on the outer mouth edge of the air nozzle 16. The end of the air guide pipe 15 is connected with the air nozzle 16. An air nozzle sealing ring groove 22 is provided at the top hole edge of the air suction hole plug, and the soft rubber ring sealing ring 17 is pressed into the air nozzle sealing ring groove 22. When in use, the soft rubber ring sealing ring 17 is aligned with the air nozzle sealing ring groove 22, and the air nozzle 16 is pressed to the top of the air suction hole plug, so that a vacuum suction operation is performed through the one-way air suction hole plug 5, and the soft rubber ring sealing ring 17 increases its sealing performance;

[0031] An electrical connection socket 7 is embedded and installed on the top surface of the chamber cover 1, and an electrical connection pin body is plugged into the electrical connection socket 7. The electrical connection pin body is installed at the bottom of the pump chamber housing 2 to facilitate the electrical connection between the chamber cover 1 and the pump chamber housing 2;

[0032] A circuit board 12 and a cover magnetic column 10 are installed in the cover cavity of the cavity shell cover body 1, and a top magnetic body 9 is installed at the bottom of the pump cavity. The cover magnetic column 10 and the top magnetic body 9 realize the suction of the pump cavity housing 2 and the cavity shell cover body 1 through adsorption, and the circuit board 12 is communicatively connected with the electrical connection socket 7;

[0033] An air pressure sensor 28 is embedded in the bottom of the cavity shell cover 1, which mainly senses the air pressure in the vacuum tank 3. The air pressure sensor is connected to the circuit board 12 for communication. When the specified negative pressure is reached, the vacuum pump 20 stops running.

[0034] like Figure 1-Figure 9 As shown, the utility model also discloses the following more optimized specific structures:

[0035] A key switch 18 is installed in the pump chamber, a pressing body 14 is embedded and installed on the pump chamber housing 2, the bottom of the pressing body 14 is pressed onto the key switch 18, and the key switch 18 is communicatively connected with the electrical connection pin.

[0036] A battery 11 is installed in the cover cavity, and a digital display 8 is embedded and installed on the top of the cavity cover body 1, which can display the air pressure and power.

[0037] A charging plug 13 is embedded and installed on the side shell wall of the pump chamber housing 2, and the charging plug 13 is communicatively connected with the electrical connection pin body to facilitate charging of the battery 11.

[0038] A drain pan 27 is placed at the bottom of the barrel cavity of the vacuum barrel 3, and a support leg is installed at the bottom of the drain pan 7 to facilitate the placement of objects with moisture.

[0039] The side wall of the chamber shell cover 1 is provided with a cover side ear 21 for easy disassembly, so as to facilitate the removal of the chamber shell cover 1 from the vacuum tank 3 .

[0040] An air inlet plug limiting ring recess 55 is provided on the outer plug wall of the air hole main plug body 51, and an air intake hole limiting ring convex portion 25 is provided on the inner hole wall of the air intake hole plug limiting hole 26. The air intake hole limiting ring convex portion 25 is arranged in the air inlet plug limiting ring recess 55 to achieve the limiting of the air hole main plug body 51.

[0041] like Figure 1-Figure 9 When the magnetic sealed vacuum can is in use, food or other objects that need to be stored in a vacuum are placed in the vacuum can 3, and then the bottom plug convex part 4 of the bottom of the cavity shell cover 1 is plugged onto the vacuum can 3 to realize the buckle cover, and the pump chamber shell 2 is placed on the top of the cavity shell cover 1 to realize the alignment adsorption. The magnetic adsorption is convenient and practical. In this embodiment, four groups of magnetic structures are used to realize automatic alignment adsorption, and then the vacuum pump 20 is turned on. The gas in the vacuum can 3 enters the air nozzle 16 through the one-way suction hole plug 5 and is discharged through the air guide pipe 15 and the vacuum pump 20. When the specified air pressure is reached, the air pressure sensor feeds back information and stops exhausting. In this embodiment, the atmospheric pressure can be reduced from one atmosphere to 65kpa atmospheric pressure. The pump chamber shell 2 can be removed at any time, and the air intake plunger 6 is pressed to compress the negative pressure of the air intake plunger to offset the downward pressure of the spring 19, and the air channel of the air intake plug limit hole is opened to realize air intake pressure release, and the pressure balance is achieved inside and outside, which is convenient for opening the cavity shell cover 1.

[0042] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A magnetic sealed vacuum tank, characterized in that: The invention comprises a chamber shell cover, a pump chamber shell and a vacuum barrel, wherein a cover bottom plug convex portion is provided at the bottom of the chamber shell cover, the chamber shell cover is buckled to the top of the vacuum barrel through the cover bottom plug convex portion, the pump chamber shell is sucked on the top of the chamber shell cover, an air suction hole plug limiting hole and an air inlet plug column limiting hole are provided on the chamber shell cover, a one-way air suction hole plug is installed in the air suction hole plug limiting hole, a pressing air inlet plunger is installed in the air inlet plug column limiting hole, a vacuum pump is installed in the pump chamber of the pump chamber shell, an air guide pipe is connected to the air inlet of the vacuum pump, and a An air nozzle, a soft rubber ring sealing ring is installed on the outer mouth edge of the air nozzle, the end of the air guide tube is connected to the air nozzle, an air nozzle sealing ring groove is provided at the top hole edge of the air suction hole plug, the soft rubber ring sealing ring is pressed into the air nozzle sealing ring groove, an electrical connection socket is embedded and installed on the top surface of the cavity shell cover, an electrical connection pin body is plugged into the electrical connection socket, and the electrical connection pin body is installed at the bottom of the pump cavity shell, a circuit board and a cover magnetic column are installed in the cover cavity of the cavity shell cover, a top magnetic body is installed at the bottom of the pump cavity, and an air pressure sensor is embedded and installed at the bottom of the cavity shell cover.

2. The magnetic sealed vacuum tank according to claim 1, characterized in that: The one-way air suction hole plug is composed of an air hole main plug body and a frustoconical cavity thin wall integrally installed on the top of the air hole main plug body. The air hole main plug body is provided with an air suction through hole, and the air suction through hole is connected to the frustoconical cavity arranged in the frustoconical cavity thin wall. An air gap is opened on the top of the frustoconical cavity.

3. The magnetic sealed vacuum tank according to claim 1, characterized in that: The pressing air intake plunger is composed of a plunger, a pressing part and a blocking plug part respectively installed at the upper and lower ends of the plunger, an air intake hole limiting ring convex part is provided in the air intake plug limit hole, the air intake hole limiting ring convex part is sleeved on the outside of the plunger, and an air intake plunger negative pressure offset spring is sleeved and installed on the plunger between the air intake hole limiting ring convex part and the pressing part.

4. The magnetic sealed vacuum tank according to claim 1, characterized in that: A key switch is installed in the pump chamber, a pressing body is embedded and installed on the pump chamber housing, the bottom of the pressing body is pressed onto the key switch, and the key switch is communicatively connected with the electrical connection pin.

5. The magnetic sealed vacuum tank according to claim 1, characterized in that: A battery is installed in the cover cavity, and a digital display body is embedded and installed on the top of the cavity shell cover body.

6. The magnetic sealed vacuum tank according to claim 1, characterized in that: A charging plug is embedded and installed on the side shell wall of the pump chamber shell, and the charging plug is communicatively connected with the electrical connection pin body.

7. The magnetic sealed vacuum tank according to claim 1, characterized in that: A drain pan is placed at the bottom of the barrel cavity of the vacuum barrel, and a support foot is installed at the bottom of the drain pan.

8. The magnetic sealed vacuum tank according to claim 1, characterized in that: The side walls of the cover of the cavity shell are provided with cover side ears.

9. The magnetic sealed vacuum tank according to claim 2, characterized in that: An air inlet plug limiting ring recess is provided on the outer plug wall of the air hole main plug body, an air intake hole limiting ring convex is provided on the inner hole wall of the air intake hole plug limiting hole, and the air intake hole limiting ring convex is arranged in the air inlet plug limiting ring recess.

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