Integrated vacuum tank

Abstract

The utility model discloses an integrated vacuum tank, which belongs to the technical field of storage tanks, and comprises a tank body, a lower cover, an upper cover and a vacuum pumping mechanism, the vacuum pumping mechanism is arranged on the lower cover, the vacuum pumping mechanism is movably connected with the upper cover, and the vacuum pumping mechanism is configured to pump out gas in the tank body. The vacuum pumping mechanism comprises an outer cylinder and an inner cylinder which are movably connected, the inner cylinder is located on the side, away from the tank body, of the outer cylinder, the inner cylinder is fixedly connected with the lower cover, a cavity is formed between the outer cylinder and the inner cylinder, the cavity is configured to transfer air in the tank body and move the outer cylinder in the direction close to the tank body, and air in the tank body enters the cavity. The outer cylinder is moved in the direction away from the tank body, and the air in the cavity is released to the outside air. According to the utility model, a high-vacuum environment can be obtained by repeatedly moving the outer cylinder, the vacuum degree required by the working environment can be quickly and accurately obtained, and the storage time of articles is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a storage tank technical field especially is related to a kind of integrated vacuum tank. BACKGROUND

[0002] The vacuum sealed tank is a kind of container for storing food, experimental samples or other objects, by creating a vacuum environment and maintaining a sealed state, prolonging the shelf life of food, meeting the experimental needs, preventing oxidation, corrosion or moisture, widely used in food preservation, laboratory research and industrial production and other fields.

[0003] The vacuum sealed tank is usually equipped with a vacuum pump or connected with an external vacuum pump, and the gas in the container is extracted by the vacuum pump technology to achieve a vacuum state. However, the existing vacuum tank products are difficult to maintain a high vacuum degree, and the connection pipeline or components of the vacuum pump are prone to leakage, which leads to a decrease in sealing performance and cannot effectively prevent gas from entering or leaking, thereby affecting the maintenance of the vacuum state. SUMMARY

[0004] The utility model aims at at least one of the technical problems existing in the prior art, and therefore proposes an integrated vacuum tank, which can accurately maintain the vacuum degree of the vacuum tank product and improve the sealing effect of the vacuum tank.

[0005] According to the integrated vacuum tank of the utility model embodiment, the lower cover is arranged at the opening end of the tank body, the upper cover is arranged on the lower cover, the upper cover is provided with a stacking ring at the opposite end of the lower cover, and the stacking ring is configured to provide stable nesting and stacking for the tank body. The vacuum air extraction mechanism is arranged on the lower cover, and the vacuum air extraction mechanism is movably connected with the upper cover. The vacuum air extraction mechanism is configured to extract the gas in the tank body. The vacuum air extraction mechanism includes an outer cylinder and an inner cylinder. The outer cylinder is movably arranged on the lower cover, and the inner cylinder is movably connected with the outer cylinder. The inner cylinder is located at the side of the outer cylinder away from the tank body, and the inner cylinder is fixedly connected with the lower cover. There is a cavity between the outer cylinder and the inner cylinder. The cavity is configured to transfer the air inside the tank body. When the outer cylinder moves in the direction close to the tank body, the distance between the outer cylinder and the inner cylinder is pulled apart, the volume of the cavity increases, and the air in the tank body is extracted into the cavity. When the outer cylinder moves in the direction away from the tank body, the air in the cavity is extracted into the outside air. By repeatedly moving the outer cylinder, a high-vacuum environment can be obtained, and the required vacuum degree of the working environment can be quickly and accurately obtained, thereby effectively slowing down the oxidation speed of food, prolonging the shelf life of food, and reducing the possibility of food spoilage.

[0006] According to the integrated vacuum tank of the utility model embodiment, at least the following beneficial effects are achieved: the outer cylinder is moved in the direction close to the tank body, the distance between the outer cylinder and the inner cylinder is pulled apart, the volume of the cavity increases, and the air in the tank body is extracted into the cavity. When the outer cylinder moves in the direction away from the tank body, the air in the cavity is extracted into the outside air. By repeatedly moving the outer cylinder, a high-vacuum environment can be obtained, and the required vacuum degree of the working environment can be quickly and accurately obtained, thereby effectively slowing down the oxidation speed of food, prolonging the shelf life of food, and reducing the possibility of food spoilage.

[0007] According to some embodiments of the present application, the lower cover is provided with a limiting seat, the limiting seat corresponds to the outer cylinder, the outer cylinder is movably arranged in the limiting seat, and the limiting seat is configured to limit the moving direction of the outer cylinder.

[0008] According to some embodiments of the present application, the vacuum air extraction mechanism further comprises: a limiting cylinder, the limiting cylinder is arranged along the moving direction of the outer cylinder, one end of the limiting cylinder is fixedly connected with the limiting seat, the other end of the limiting cylinder is fixedly connected with the inner cylinder, the outer cylinder is movably arranged on the limiting cylinder, the cavity is formed by the outer cylinder, the inner cylinder and the limiting cylinder, the limiting cylinder has a transition cavity, the transition cavity is in communication with the cavity; a fixing member, the fixing member is fixedly arranged on the outer cylinder, the fixing member is movably arranged on the outer wall of the limiting cylinder, the first ring cavity is formed by the fixing member, the outer cylinder and the limiting cylinder, the first sealing ring is movably arranged in the first ring cavity, and the first sealing ring is configured to isolate the cavity and the external air; a one-way valve, the one-way valve is movably arranged in the transition cavity, and the one-way valve is configured to communicate and isolate the transition cavity and the inside of the tank.

[0009] According to some embodiments of the present application, the vacuum air extraction mechanism further comprises a first compression spring, the first compression spring is arranged on the limiting seat, and the first compression spring is configured to drive the outer cylinder to move away from the tank.

[0010] According to some embodiments of the present application, the limiting groove is arranged at one end of the inner cylinder close to the limiting cylinder, the limiting groove corresponds to the limiting cylinder, the limiting cylinder is fixedly connected with the inner cylinder through the limiting groove, a plurality of first air holes are arranged on the limiting cylinder, and the first air holes are configured to communicate the cavity and the transition cavity.

[0011] According to some embodiments of the present application, the inner cylinder is provided with a second ring cavity, the second ring cavity is formed by the inner cylinder and the outer cylinder, a plurality of second air holes are arranged on the inner cylinder, the second air holes are configured to communicate the second ring cavity and the external air, a second sealing ring is movably arranged in the second ring cavity, and the second sealing ring is configured to communicate and block the cavity and the external air.

[0012] According to some embodiments of the present application, the vacuum air extraction mechanism further comprises a pressing member, the pressing member is connected with the outer cylinder, the pressing member is arranged on the upper cover, and the pressing member is configured to move the outer cylinder.

[0013] According to some embodiments of the present application, the release mechanism is arranged on the lower cover, the release mechanism is connected with the lower cover, and the release mechanism is configured to release the vacuum state in the tank.

[0014] According to some embodiments of the utility model, the release mechanism comprises: an air inlet, the air inlet is arranged on the lower cover, the air inlet is configured to communicate the inside of the tank body with the outside air, a third sealing ring is arranged at one end of the air inlet close to the tank body; a release piece, the release piece extends in the direction of the inside of the tank body through the air inlet, one end of the release piece in the tank body is provided with a plugging piece, the plugging piece is configured to block and open the air inlet; a second compression spring, the second compression spring is sleeved on the release piece, one end of the second compression spring abuts against the edge of the air inlet, the other end abuts against the release piece, the second compression spring is configured to drive the plugging piece to tightly press the air inlet.

[0015] According to some embodiments of the utility model, the vacuum indication mechanism is arranged on the cover body, and the vacuum indication mechanism is used for indicating the air state in the tank body.

[0016] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further illustrated below in combination with the drawings and embodiments;

[0018] Figure 1 It is the structure schematic diagram of the integrated vacuum tank of the utility model;

[0019] Figure 2 It is Figure 1 The cross section schematic view in the figure;

[0020] Figure 3 It is Figure 2 The enlarged schematic view of A in the figure;

[0021] Figure 4 It is Figure 2 The enlarged schematic view of B in the figure;

[0022] Figure 5 It is Figure 1 The explosion schematic view in the figure;

[0023] Figure 6 It is Figure 1 The cross section schematic view of the release mechanism and the vacuum indication mechanism in the figure.

[0024] REFERENCE NUMERALS:

[0025] Tank body 100;

[0026] Lower cover 200, limit seat 210;

[0027] Upper cover 300, stacking ring 310;

[0028] Vacuum air extraction mechanism 400, outer cylinder 410, inner cylinder 420, second ring cavity 421, second air passage 422, second sealing ring 423, body 424, first right angle panel 425, second right angle panel 426, cavity 430, limiting cylinder 440, transition cavity 441, first air passage 442, valve seat 443, air inlet cavity 444, air inlet member 445, third air passage 446, fixing member 450, first ring cavity 451, first sealing ring 452, one-way valve 460, first compression spring 470, limiting groove 480, pressing member 490;

[0029] Release mechanism 500, air inlet 510, third sealing ring 511, release member 520, blocking member 521, release button 522, second compression spring 530;

[0030] Vacuum indication mechanism 600, elastic diaphragm 610, indication cavity 620. DETAILED DESCRIPTION

[0031] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0032] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.

[0033] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as the first time, the second time is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0034] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0035] Reference Figures 1 to 4 The integrated vacuum tank according to the embodiments of the present application is described.

[0036] As Figures 1 to 4 shown, the integrated vacuum tank includes a tank body 100, a lower cover 200, an upper cover 300 and a vacuum pumping mechanism 400. Among them, the lower cover 200 is arranged at the opening end of the tank body 100, the upper cover 300 is arranged on the lower cover 200, and the upper cover 300 is provided with a stacking ring 310 at the opposite end of the lower cover 200. The stacking ring 310 is configured to provide stable nesting and stacking for the tank body 100. The vacuum pumping mechanism 400 is arranged on the lower cover 200, and the vacuum pumping mechanism 400 is movably connected with the upper cover 300. The vacuum pumping mechanism 400 is configured to pump out the gas in the tank body 100. The vacuum pumping mechanism 400 includes an outer cylinder 410 and an inner cylinder 420. The outer cylinder 410 is movably arranged on the lower cover 200, and the inner cylinder 420 is movably connected with the outer cylinder 410. The inner cylinder 420 is located at the side of the outer cylinder 410 away from the tank body 100, and the inner cylinder 420 is fixedly connected with the lower cover 200. The outer cylinder 410 and the inner cylinder 420 have a cavity 430 therebetween. The cavity 430 is configured to transfer the air inside the tank body 100. When the outer cylinder 410 moves in the direction close to the tank body 100, the air inside the tank body 100 enters the cavity 430. When the outer cylinder 410 moves in the direction away from the tank body 100, the air in the cavity 430 is released to the outside air.

[0037] As Figures 1 to 5 shown, the lower cover 200 is arranged at the opening end above the tank body 100, and the upper cover 300 is arranged on the lower cover 200. The upper cover 300 is provided with a stacking ring 310 to make the multiple tank bodies 100 more firm and stable when stacked, and reduce the possibility of tilting or collapsing. The outer cylinder 410 is movably arranged on the lower cover 200, and the inner cylinder 420 is fixedly arranged on the lower cover 200 and located above the outer cylinder 410. The outer cylinder 410 and the inner cylinder 420 have a cavity 430 therebetween. With the movement of the outer cylinder 410, the volume of the cavity 430 can be increased or decreased. When the outer cylinder 410 moves in the direction close to the tank body 100, the volume of the cavity 430 increases. When the outer cylinder 410 moves in the direction away from the tank body 100, the volume of the cavity 430 decreases. Thus, the outer cylinder 410 is moved in the direction close to the tank body 100, the distance between the outer cylinder 410 and the inner cylinder 420 is pulled apart, the volume of the cavity 430 is increased, and the air in the tank body 100 is pumped out into the cavity 430. When the outer cylinder 410 moves in the direction away from the tank body 100, the air in the cavity 430 is pumped out into the outside air. By repeatedly moving the outer cylinder 410, a high-vacuum environment can be obtained, and the required vacuum degree of the working environment can be quickly and accurately obtained, thereby prolonging the preservation time of the articles.

[0038] In some embodiments of the present application, the lower cover 200 is provided with a limiting seat 210 corresponding to the outer cylinder 410. The outer cylinder 410 is movably arranged in the limiting seat 210, and the limiting seat 210 is configured to limit the movement direction of the outer cylinder 410. Figure 2 andFigure 5 As shown, the axial direction of the limiting seat 210 extends along the up-down direction, the limiting seat 210 is an upwardly open groove, and the outer cylinder 410 is partially arranged in the limiting seat 210, so that the outer cylinder 410 moves up and down along the channel limited by the limiting seat 210.

[0039] In some embodiments of the utility model, the vacuum air extraction mechanism 400 further comprises: a limiting cylinder 440, which is arranged along the moving direction of the outer cylinder 410, one end of the limiting cylinder 440 is fixedly connected with the limiting seat 210, the other end of the limiting cylinder 440 is fixedly connected with the inner cylinder 420, the outer cylinder 410 is movably sleeved on the limiting cylinder 440, the cavity 430 is formed by the outer cylinder 410, the inner cylinder 420 and the limiting cylinder 440, the limiting cylinder 440 has a transition cavity 441, the transition cavity 441 is in communication with the cavity 430; a fixing part 450, which is fixedly arranged on the outer cylinder 410, the fixing part 450 is movably sleeved on the outer wall of the limiting cylinder 440, a first annular cavity 451 is formed by the fixing part 450, the outer cylinder 410 and the limiting cylinder 440, a first sealing ring 452 is movably arranged in the first annular cavity 451, the first sealing ring 452 is configured to isolate the cavity 430 from the external air; a one-way valve 460, which is movably arranged in the transition cavity 441, the one-way valve 460 is configured to communicate and isolate the transition cavity 441 and the inside of the tank 100.

[0040] In some embodiments of the utility model, the vacuum air extraction mechanism 400 further comprises a first compression spring 470, which is sleeved on the limiting seat 210, and the first compression spring 470 is configured to drive the outer cylinder 410 to move away from the tank 100.

[0041] As shown in the drawings, Figures 2 to 5 The lower cover 200 is arranged at the open end above the tank 100, the limiting seat 210 is arranged on the cover body, the bottom of the limiting seat 210 is arranged with a limiting cylinder 440 along the axial direction, the limiting cylinder 440 has a transition cavity 441, wherein the transition cavity 441 can be in communication with the inside of the tank 100. The lower end of the limiting cylinder 440 is provided with a valve seat 443, and a one-way valve 460 is movably arranged on the valve seat 443. Among them, the valve seat 443 is arranged on the inner wall of the limiting cylinder 440, the valve seat 443 is a circular ring boss extending inward along the radial direction of the limiting cylinder 440, specifically, the upper end of the one-way valve 460 is columnar, and the lower end is conical, that is, the cross-sectional area of the end of the one-way valve 460 close to the valve seat 443 gradually decreases, and the outer diameter of the columnar part of the one-way valve 460 corresponds to the inner diameter of the valve seat 443, so that when the conical part of the one-way valve 460 is arranged in the valve seat 443, the columnar part of the one-way valve 460 has a plugging effect on the valve seat 443, which can isolate the air in the tank 100 from the transition cavity 441.

[0042] Further, the valve seat 443 is provided below with an air inlet cavity 444, the air inlet cavity 444 is provided by the limiting cylinder 440 and the air inlet part 445 coaxially embedded in the lower end of the limiting cylinder 440, the air inlet part 445 corresponds in size to the lower end of the limiting cylinder 440, and a plurality of third air passing holes 446 are uniformly arranged on the peripheral wall of the air inlet part 445, the cavity 430 can communicate with the air inlet cavity 444 through the plurality of third air passing holes 446, so as to form a certain resistance in the gas discharge process, prevent the discharged gas from flowing back into the pump, improve the unidirectionality and stability of the exhaust, and ensure the normal work of the vacuum pump.

[0043] In the specific embodiment, the outer cylinder 410 is arranged on the limiting seat 210, and the outer cylinder 410 is coaxially arranged with the limiting seat 210. The outer cylinder 410 is axially provided with a through hole which can be sleeved on the limiting cylinder 440. An annular fixing part 450 is sleeved on the outer wall of the limiting cylinder 440. The fixing part 450, the outer cylinder 410 and the limiting cylinder 440 form a first annular cavity 451. A first sealing ring 452 for sealing the gap between the limiting cylinder 440 and the through hole is arranged in the first annular cavity 451. The outer cylinder 410 is movably connected with the limiting seat 210. Specifically, a first compression spring 470 is arranged between the outer cylinder 410 and the limiting seat 210. The first compression spring 470 is sleeved on the limiting cylinder 440. The lower end of the first compression spring 470 abuts against the bottom of the limiting seat 210, and the upper end abuts against the fixing part 450. Therefore, under the action of the first compression spring 470, the fixing part 450 fixes the first sealing ring 452 in the first annular cavity 451. Thus, when the outer cylinder 410 moves downward, the first compression spring 470 elastically deforms. When the external force acting on the outer cylinder 410 disappears, the first compression spring 470 pushes the outer cylinder 410 upward to reset the outer cylinder 410.

[0044] Specifically, the lower end of the limiting cylinder 440 is provided with a first limiting boss extending radially outward, and the lower end of the fixing part 450 is also provided with a second limiting boss corresponding to the first limiting boss. The outer diameters of the first limiting boss and the second limiting boss correspond to the inner diameter of the first compression spring 470. Thus, the lower end of the first compression spring 470 is fixedly sleeved on the first limiting boss, and the upper end is sleeved on the second limiting boss. On the one hand, the position of the first compression spring 470 on the limiting seat 210 is limited, and on the other hand, the deformation direction of the first compression spring 470 is further limited.

[0045] Specifically, the bottom of the outer cylinder 410 is upwardly raised in a circular table shape. Correspondingly, the inner cylinder 420 has a circular table structure corresponding to the outer cylinder 410. The inner cylinder 420 is arranged at the upper end of the outer cylinder 410 with the opening downward, and the inner cylinder 420 is fixedly connected with the upper end of the limiting cylinder 440.

[0046] In the specific embodiments, the limiting seat 210 is a circular groove with an upward opening, the outer cylinder 410 is a circular structure corresponding to the limiting seat 210, and the inner cylinder 420 is a circular structure corresponding to the outer cylinder 410. Of course, the limiting seat 210 can also be rectangular, star-shaped, oval-shaped, etc., and the outer cylinder 410, the inner cylinder 420 and the limiting seat 210 need to be coaxially arranged.

[0047] In some specific embodiments of the utility model, the one-way valve 460 is integrally formed by silica gel material.

[0048] In some specific embodiments of the utility model, the inner cylinder 420 includes a body 424, a first right-angle panel 425 and a second right-angle panel 426, the body 424 is fixedly arranged on the lower cover 200, the first right-angle panel 425 is fixedly arranged on the periphery of the body 424, the second right-angle panel 426 is sleeved on the first right-angle panel 425, the second right-angle panel 426 is located at the end of the first right-angle panel 425 away from the tank body 100, a plurality of second air holes 422 are arranged on the second right-angle panel 426, and the first right-angle panel 425, the second right-angle panel 426 and the outer cylinder 410 form the second ring cavity 421.

[0049] In some specific embodiments of the utility model, the limiting groove 480 is arranged at one end of the inner cylinder 420 close to the limiting cylinder 440, the limiting groove 480 corresponds to the limiting cylinder 440, the limiting cylinder 440 is fixedly connected with the inner cylinder 420 through the limiting groove 480, and a plurality of first air holes 442 are arranged on the limiting cylinder 440 and configured to communicate the cavity 430 and the transition cavity 441. Specifically, the limiting groove 480 is a ring groove, the inner wall of the limiting groove 480 extends along the axial direction of the one-way valve 460 and is arranged in the limiting cylinder 440, so that the one-way valve 460 can abut against the inner wall of the limiting groove 480 when moving under the action of the pressure difference.

[0050] In some specific embodiments of the utility model, the inner cylinder 420 is provided with the second ring cavity 421, the second ring cavity 421 is formed by the inner cylinder 420 and the outer cylinder 410, a plurality of second air holes 422 are arranged on the inner cylinder 420 and configured to communicate the second ring cavity 421 and the external air, and the second ring cavity 421 is movably provided with a second sealing ring 423 configured to communicate and block the cavity 430 and the external air.

[0051] As Figure 2 and Figure 3As shown, the periphery of the inner cylinder 420 is provided with a second annular cavity 421, and a second sealing ring 423 is arranged in the second annular cavity 421 and is limited between the outer wall of the inner cylinder 420 and the inner wall of the outer cylinder 410 under the action of the second annular cavity 421. A plurality of second air holes 422 are formed in the inner cylinder 420, and the plurality of second air holes 422 are formed in the cavity wall of the second annular cavity 421. Specifically, the width of the mounting groove is greater than the cross-sectional diameter of the second sealing ring 423, that is, the second sealing ring 423 can move in the vertical direction in the mounting groove. When the outer cylinder 410 moves downward, the inner wall of the outer cylinder 410 abuts against the second sealing ring 423, and the outer cylinder 410 can drive the second sealing ring 423 to move downward during the downward movement, so that the second sealing ring 423 is separated from the plurality of second air holes 422 formed in the cavity wall of the second annular cavity 421, and the air in the tank body 100 flows out from the second air holes 422. When the downward pressure applied to the outer cylinder 410 is removed, the first compression spring 470 pushes the outer cylinder 410 upward to reset the outer cylinder 410, and the outer cylinder 410 can drive the second sealing ring 423 to move upward during the upward movement, so that the second sealing ring 423 abuts against the plurality of air holes, thereby blocking the second air holes 422 and cutting off the connection between the air inside the tank body 100 and the outside air.

[0052] In some embodiments of the present application, the vacuum air extraction mechanism 400 further comprises a pressing member 490, the pressing member 490 is connected with the outer cylinder 410, and the pressing member 490 penetrates the upper cover 300. The user can move the outer cylinder 410 by pressing the pressing member 490.

[0053] In some embodiments of the present application, the release mechanism 500 is arranged on the lower cover 200, and the release mechanism 500 is connected with the lower cover 200. The release mechanism 500 is configured to release the vacuum state in the tank body 100.

[0054] In some embodiments of the present application, the release mechanism 500 comprises: an air inlet 510, the air inlet 510 is formed in the lower cover 200, and the air inlet 510 is configured to communicate the inside of the tank body 100 with the outside air. A third sealing ring 511 is arranged at one end of the air inlet 510 close to the tank body 100; a release member 520 extends towards the inside of the tank body 100 through the air inlet 510, and one end of the release member 520 in the tank body 100 is provided with a blocking member 521 configured to block and open the air inlet 510; and a second compression spring 530 is sleeved on the release member 520, one end of the second compression spring 530 abuts against the edge of the air inlet 510, and the other end abuts against the release member 520. The second compression spring 530 is configured to drive the blocking member 521 to tightly press the air inlet 510.

[0055] AsFigure 6 As shown, the air inlet 510 is arranged on the lower cover 200, the inside of the can body 100 can communicate with the outside air through the air inlet 510, and the lower end of the air inlet 510 is provided with a third sealing ring 511; the release member 520 is a rod member arranged in the vertical direction, the lower end of the rod member extends into the inside of the can body 100 through the air inlet 510, and the lower end of the rod member is provided with a blocking member 521; the blocking member 521 is configured to seal the air inlet 510 in cooperation with the third sealing ring 511. In the embodiment, the upper end of the rod member is provided with a contact button, and the release button 522 is exposed on the surface of the upper cover 300; the second compression spring 530 is sleeved on the rod member, the upper end of the second compression spring 530 abuts against the bottom of the contact button, and the lower end of the second compression spring 530 abuts against the upper end edge of the air inlet 510; therefore, when it is needed to release the vacuum state in the inside of the can body 100, the blocking member 521 is separated from the third sealing ring 511 by pressing the button downward, at this time, air enters the can body 100 through the air inlet 510, and the release of the vacuum state is completed.

[0056] In some embodiments of the utility model, the vacuum indicating mechanism 600 is arranged on the cover body, and the vacuum indicating mechanism 600 is used to show the air state in the can body 100.

[0057] The vacuum indicating mechanism 600 comprises an elastic diaphragm 610 and an indicating cavity 620 in communication with the inside of the can body 100; the elastic diaphragm 610 is arranged on the lower cover 200 and exposed on the surface of the upper cover 300; and the indicating cavity 620 is arranged on the lower cover 200; therefore, when the air in the can body 100 is extracted, the elastic diaphragm 610 will present a concave state along with the loss of the air in the inside of the can body 100; when the release button 522 is pressed downward, the blocking member 521 is separated from the third sealing ring 511, and the outside air flows into the can body 100 again, and the elastic diaphragm 610 will present a convex state along with the backflow of the air; therefore, the air state in the inside of the can body 100 is shown to the user.

[0058] In some embodiments of the utility model, the working principle of the vacuum storage can of the utility model will be described in detail below. Figures 1 to 4

[0059] ​When the pressing piece 490 is pushed down to the bottom, the pressing piece 490 is released. At this time, the first compression spring 470 is in a compressed state and moves upward under the elastic restoring force of the first compression spring 470, driving the outer cylinder 410 to move upward and driving the pressing piece 490 to move upward. The second sealing ring 423 is subjected to the upward friction of the outer cylinder 410 in the process of moving upward, so that the second sealing ring 423 is tightly attached to the lower end of the second right-angle panel 426. Since the diameter of the second sealing ring 423 is smaller than the hole diameter of the second air hole 422, the second air hole 422 cannot be blocked by the second sealing ring 423, and the air in the cavity 430 is communicated through the second air hole 422. In the process of moving upward of the outer cylinder 410, until the outer cylinder 410 abuts against the upper end of the inner cylinder 420, the space between the inner cylinder 420 and the outer cylinder 410 is continuously compressed, and the air between the inner cylinder 420 and the outer cylinder 410 is discharged to the outside.

[0060] When the pressing piece 490 is pushed down to the bottom, the pressing piece 490 is released. At this time, the first compression spring 470 is in a compressed state and moves upward under the elastic restoring force of the first compression spring 470, driving the outer cylinder 410 to move upward and driving the pressing piece 490 to move upward. The second sealing ring 423 is subjected to the upward friction of the outer cylinder 410 in the process of moving upward, so that the second sealing ring 423 is tightly attached to the lower end of the second right-angle panel 426. Since the diameter of the second sealing ring 423 is smaller than the hole diameter of the second air hole 422, the second air hole 422 cannot be blocked by the second sealing ring 423, and the air in the cavity 430 is communicated through the second air hole 422. In the process of moving upward of the outer cylinder 410, until the outer cylinder 410 abuts against the upper end of the inner cylinder 420, the space between the inner cylinder 420 and the outer cylinder 410 is continuously compressed, and the air between the inner cylinder 420 and the outer cylinder 410 is discharged to the outside.

[0061] The above operation is repeated, and each time the pressing piece 490 is pressed, a part of the air in the tank 100 is discharged. As the air in the tank 100 is continuously discharged, the degree of vacuum in the tank 100 becomes higher and higher, and the pressing process becomes more and more laborious. After the pressing piece 490 is pressed for many times, the air in the tank 100 is almost discharged, so that a higher vacuum environment can be obtained in the tank 100, and the vacuum condition in the tank 100 can be judged by the vacuum indicating mechanism 600.

[0062] The above embodiment of the present application is described in detail in combination with the drawings, but the present application is not limited to the above embodiment. Within the scope of knowledge possessed by those skilled in the art in the technical field, various changes can be made without departing from the purpose of the present application.

Claims

1. An integrated vacuum tank, characterized by, The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body.

2. The one-piece vacuum canister of claim 1, wherein, The application relates to a vacuum gas extraction mechanism for a can body.

3. The one-piece vacuum canister of claim 2, wherein, The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. 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The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. 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The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to a vacuum gas extraction mechanism for a can body. The application relates to A fixing member (450) is fixedly arranged on the outer cylinder (410), movably sleeved on the outer wall of the limiting cylinder (440), and forms a first ring cavity (451) with the outer cylinder (410) and the limiting cylinder (440). A first sealing ring (452) is movably arranged in the first ring cavity (451), and the first sealing ring (452) is configured to isolate the cavity (430) from the outside air. A one-way valve (460) is movably arranged in the transition cavity (441), and the one-way valve (460) is configured to communicate and isolate the transition cavity (441) and the inside of the tank body (100).

4. The one-piece vacuum canister of claim 3, wherein, The vacuum air extraction mechanism (400) further comprises a first compression spring (470) sleeved on the limiting seat (210), and the first compression spring (470) is configured to drive the outer cylinder (410) to move away from the tank body (100).

5. The one-piece vacuum canister of claim 3, wherein, The vacuum air extraction mechanism (400) further comprises a limiting groove (480) formed at one end of the inner cylinder (420) close to the limiting cylinder (440), and the limiting groove (480) corresponds to the limiting cylinder (440). The limiting cylinder (440) is fixedly connected to the inner cylinder (420) through the limiting groove (480), and a plurality of first air holes (442) are formed in the limiting cylinder (440). The first air holes (442) are configured to communicate the cavity (430) and the transition cavity (441).

6. The one-piece vacuum canister of claim 2, wherein, The inner cylinder (420) is provided with a second ring cavity (421) around the periphery, and the second ring cavity (421) is formed by the inner cylinder (420) and the outer cylinder (410). A plurality of second air holes (422) are formed in the inner cylinder (420), and the second air holes (422) are configured to communicate the second ring cavity (421) and the outside air. A second sealing ring (423) is movably arranged in the second ring cavity (421), and the second sealing ring (423) is configured to communicate and block the cavity (430) and the outside air.

7. The one-piece vacuum canister of claim 1, wherein, The vacuum air extraction mechanism (400) further comprises a pressing member (490) connected to the outer cylinder (410), and the pressing member (490) is arranged on the upper cover (300). The pressing member (490) is configured to move the outer cylinder (410).

8. The one-piece vacuum canister of claim 1, wherein, The release mechanism (500) is arranged on the lower cover (200), and the release mechanism (500) is connected to the lower cover (200). The release mechanism (500) is configured to release the vacuum state in the tank body (100).

9. The one-piece vacuum canister of claim 8, wherein, The release mechanism (500) comprises: An air inlet (510) is formed on the lower cover (200), and is configured to communicate the inside of the can body (100) with the ambient air. The air inlet (510) is provided with a third sealing ring (511) near one end of the can body (100); A release member (520) extends through the air inlet (510) towards the inside of the can body (100). One end of the release member (520) inside the can body (100) is provided with a blocking member (521) configured to block and open the air inlet (510); A second compression spring (530) is sleeved on the release member (520). One end of the second compression spring (530) abuts against the edge of the air inlet (510), and the other end abuts against the release member (520). The second compression spring (530) is configured to drive the blocking member (521) to tightly press the air inlet (510).

10. The one-piece vacuum canister of claim 1, wherein, A vacuum indication mechanism (600) is provided on the lower cover (200), and is used to indicate the air state in the can body (100).

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