Automatic vacuumizing device with high sealing performance

Abstract

The utility model discloses an automatic vacuumizing device with high sealing performance, and relates to the technical field of vacuumizing containers. The sealing device comprises an upper cover shell, a lower cover shell and a connecting ring installed at the opening position of the top of the container, sealing rings are installed in sealing ring installation grooves, and the sealing rings comprise the upper sealing ring and the lower sealing ring; after the sealing rings are mounted, the upper sealing ring is attached to the inner top wall of the sealing ring mounting groove and the top surface of the connecting ring, and the lower sealing ring is attached to the outer side surface of the lower convex part of the lower housing and the inner side surface of the connecting ring; a densification face is arranged at the position where the lower sealing ring is attached to the inner side face of the connecting ring. The densification face comprises the sawtooth-shaped face, the wave-shaped face and the concave-convex face, the contact face is larger, the sealing performance between the lower cover shell and the connecting ring can be greatly improved, and the problem of air leakage is effectively avoided. And the sealing ring and the lower cover shell are connected in an inserting fit mode or an adhesive connection mode through the positioning columns and the positioning blind holes, so that dislocation of the sealing ring is effectively avoided, and the stability is good.

Description

Technical Field

[0001] This utility model belongs to the field of vacuum container technology, and in particular relates to a high-sealing automatic vacuum device. Background Technology

[0002] To prevent food items such as tea, coffee, and medicinal herbs from becoming damp and spoiling due to prolonged storage, current technology uses vacuum containers for preservation.

[0003] A vacuum container specifically involves adding a vacuuming device to the top of the container. This device includes a vacuum pump, solenoid valve, control board, and sealing components. The vacuum pump extracts air from the container to create a vacuum environment, extending the shelf life of the food stored inside. For example, the applicant's application number CN202420805759.6, entitled "An Automatic Vacuuming Device for Vacuum Containers," includes an upper and lower cover connected by snaps, slots, positioning holes, and positioning posts. However, this design has the following drawbacks in practical applications: The sealing performance needs improvement. Because the sealing ring is located below the scraper edge of the lower cover, and the sealing ring contacts the top of the connecting ring, the relatively small contact area can easily lead to gaps and air leakage, affecting the sealing performance. Therefore, to address these issues, this technical solution provides a high-sealing automatic vacuuming device. Utility Model Content

[0004] This utility model provides a high-sealing automatic vacuum device. By installing an L-shaped sealing ring, consisting of an upper sealing ring and a lower sealing ring, in the sealing ring mounting groove at the lower part of the lower cover, and providing a sealing surface between the lower sealing ring and the outer side of the lower convex part of the lower cover, the sealing surface includes a sawtooth surface, a wavy surface, and a concave-convex surface, resulting in a larger contact area. This greatly improves the sealing performance between the lower cover and the connecting ring, effectively preventing air leakage. In summary, this solves the problems in the background technology.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model provides a high-sealing automatic vacuuming device, which includes an upper cover, a lower cover, and a connecting ring installed at the top opening of a container. The upper cover and the lower cover are connected vertically, and a sealing ring mounting groove is formed at the lower part of the lower cover.

[0007] A sealing ring is installed in the sealing ring mounting groove, and the sealing ring includes an upper sealing ring and a lower sealing ring.

[0008] After the sealing ring is installed, the upper sealing ring fits against the top wall of the sealing ring mounting groove and the top surface of the connecting ring, and the lower sealing ring fits against the outer side of the lower protrusion of the lower cover and the inner side of the connecting ring; a densifying surface is provided at the position where the lower sealing ring fits against the inner side of the connecting ring.

[0009] Furthermore, the cross-section of the upper sealing ring and the lower sealing ring after connection is an inverted L-shape.

[0010] Furthermore, the sealing ring mounting groove is provided with a positioning blind hole, and the upper sealing ring is provided with a plug-in post corresponding to the positioning blind hole.

[0011] Furthermore, the densifying surface includes a serrated surface, a wavy surface, and a concave-convex surface for increasing sealing performance.

[0012] Furthermore, the sealing ring is bonded to the inner wall of the sealing ring mounting groove and the outer side of the lower protrusion of the lower cover by adhesive.

[0013] The present invention has the following advantages over the prior art:

[0014] (1) This solution installs an L-shaped sealing ring consisting of an upper sealing ring and a lower sealing ring in the sealing ring mounting groove at the bottom of the lower cover. A thickening surface is provided between the lower sealing ring and the outer side of the lower convex part of the lower cover. The thickening surface includes a sawtooth surface, a wave-shaped surface and a concave-convex surface. The contact surface is larger, which can greatly improve the sealing performance between the lower cover and the connecting ring and effectively avoid the problem of air leakage.

[0015] (2) The sealing ring and the lower cover are connected by a positioning pin and a positioning blind hole, or by adhesive bonding, which effectively avoids misalignment of the sealing ring and ensures good stability.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a high-sealing automatic vacuum device according to a specific embodiment 1 of this utility model;

[0019] Figure 2 for Figure 1 Exploded view of the structure;

[0020] Figure 3 for Figure 2 Bottom view of the lower middle casing;

[0021] Figure 4 for Figure 2 Bottom view of the upper and middle casing;

[0022] Figure 5 A cross-sectional view of a high-sealing automatic vacuum device combined with a container in specific embodiment 1;

[0023] Figure 6 This is an L-shaped cross-sectional view of the upper and lower sealing rings in specific embodiment 1;

[0024] Figure 7 This is a schematic diagram of the structure of a high-sealing automatic vacuum device according to a specific embodiment 2 of this utility model;

[0025] Figure 8 for Figure 7 Exploded view of the structure;

[0026] Figure 9 This is an L-shaped cross-sectional view of the upper and lower sealing rings in specific embodiment 2;

[0027] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0028] 1-Upper cover, 11-Cover, 12-Limiting groove, 13-Positioning hole, 14-Positioning threaded hole, 2-Lower cover, 21-Positioning post, 211-Positioning blind hole, 22-Snap fastener, 23-Screw hole, 24-Sealing ring mounting groove, 3-Control board, 31-Vacuum switch button, 4-Connecting ring, 5-Sealing ring, 51-Plug-in post, 52-Dense surface, 6-Container. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] In the description of this utility model, it should be understood that the terms "top", "lower part", "inner", "lower convex part", "outer side" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Specific Implementation Example 1:

[0032] Please see Figure 1-6 As shown, the present invention provides a high-sealing automatic vacuum device, which includes an upper cover 1, a lower cover 2, and a connecting ring 4 installed at the top opening of a container 6. The upper cover 1 and the lower cover 2 are connected vertically, and a sealing ring mounting groove 24 is formed at the lower part of the lower cover 2. This structure is the same as the structure of the existing disclosed technology, except that:

[0033] A sealing ring 5 is installed in the sealing ring mounting groove 24. The sealing ring 5 includes an upper sealing ring and a lower sealing ring. The sealing ring 5 is made of rubber.

[0034] like Figure 5 As shown, after the vacuuming device is installed on the connecting ring 4 on the upper part of the container 6, the upper sealing ring 5 is fitted with the inner top wall of the sealing ring mounting groove 24 and the top surface of the connecting ring 4, and the lower sealing ring is fitted with the outer side of the lower protrusion of the lower cover 2 and the inner side of the connecting ring 4; a densifying surface 52 is provided at the position where the lower sealing ring is fitted with the inner side of the connecting ring 4; the densifying surface 52 includes a sawtooth surface, a wavy surface and a concave-convex surface for increasing the sealing performance.

[0035] Among them, such as Figure 6 As shown, the cross-section after the upper and lower sealing rings are connected is an inverted L-shape. This inverted L-shape is not an absolute L-shape. Forms that can form a good seal at slightly larger included angles of 100°, 115°, or 120° are all within the protection scope of this technical solution.

[0036] The lower cover 2 has a control plate 3 installed on its inner surface via a snap fastener 22. The control plate 3 has a raised vacuum switch button 31 on its surface, which is located directly below the top plate of the upper cover 1. The top plate is made of silicone, rubber, or acrylic plastic. When the top plate is pressed down, the vacuum switch button 31 can be pressed directly, and after being pressed, it can be released from contact and return to its original shape.

[0037] The bottom of control board 3 houses a vacuum pump, solenoid valve, battery, and gas lines. The vacuum pump, solenoid valve, and battery are all miniature in structure and have the same model and function as the components used in the background technology. Specific models can be purchased from the market. The specific connection relationship is as follows: the USB interface, LED light group, battery, pressure sensor, vacuum pump, solenoid valve, gas check valve, and vacuum switch button are electrically connected to the microcontroller. The specific principle is not the focus of this technical solution and will not be elaborated here.

[0038] like Figure 2 and Figure 6As shown, a positioning post 21 is provided on the upper surface of the lower cover 2, and a positioning blind hole 211 coaxial with the positioning post 21 is provided in the sealing ring mounting groove 24. A screw hole 23 coaxial with the positioning blind hole 211 is provided in the positioning blind hole 211. A positioning threaded hole 14 corresponding to the insertion post 51 is provided at the inner bottom of the upper cover 1. The screw hole 23 and the positioning threaded hole 14 are connected by screws, so that the lower cover 2 and the upper cover 1 are connected as one unit. The diameter of the positioning threaded hole 14 is smaller than the diameter of the positioning blind hole 211. The locking screw passes through the positioning blind hole 211 and is screwed into the screw hole 23 to lock and engage with the upper positioning threaded hole 14, thereby achieving a locking connection between the upper cover 1 and the lower cover 2. In this specific embodiment, the corresponding positioning blind hole 211, screw hole 28 and positioning threaded hole 12 are all in three sets, and the arc between two adjacent sets is 120°. Specific Implementation Example 2:

[0040] like Figure 7-9 As shown, the difference between this specific embodiment and specific embodiment 1 is that: the top of the upper shell cover 1 is provided with a sealing plate, the center of the sealing plate is provided with a through hole 12, the outer periphery of the sealing plate is provided with a limiting groove 12, and the surface of the sealing plate is provided with a positioning hole 13; a cover 11 is inserted into the limiting groove 12.

[0041] The inner surface of the lower cover 2 is provided with a control plate 3 and a positioning post 21 corresponding to the positioning hole 13; the surface of the control plate 3 is provided with a raised vacuum switch button 31, which is located directly below the cover 11.

[0042] The upper cover 1 and the lower cover 2 are connected to the positioning post 21 by screws through the positioning hole 13 to achieve locking and fixation; the cover 11 is made of light-transmitting material, specifically silicone, rubber, thin acrylic plastic or plastic material; since there is a certain distance between the cover 11 and the limiting groove 12, when pressing down, the cover 11 itself can provide a certain downward bending degree, so that the bottom of the pressing area 41 can contact the vacuum switch button 31. In order to ensure the sealing between the cover 11 and the limiting groove 12, a sealing ring or sealant can be set at the contact position of the two.

[0043] The sealing ring 5 is connected to the inner wall of the sealing ring mounting groove 24 and the outer side of the lower protrusion of the lower cover 2 by adhesive bonding.

[0044] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-sealing automatic vacuuming device, comprising an upper cover (1), a lower cover (2), and a connecting ring (4) installed at the top opening of a container (6), wherein the upper cover (1) and the lower cover (2) are vertically connected, and a sealing ring mounting groove (24) is formed at the lower part of the lower cover (2), characterized in that: A sealing ring (5) is installed in the sealing ring mounting groove (24), and the sealing ring (5) includes an upper sealing ring and a lower sealing ring; After the sealing ring (5) is installed, the upper sealing ring is in contact with the inner top wall of the sealing ring mounting groove (24) and the top surface of the connecting ring (4), and the lower sealing ring is in contact with the outer side of the lower protrusion of the lower cover (2) and the inner side of the connecting ring (4); a denser surface (52) is provided at the position where the lower sealing ring is in contact with the inner side of the connecting ring (4).

2. The high-sealing automatic vacuum device according to claim 1, characterized in that, The cross-section of the upper and lower sealing rings after connection is an inverted L-shape.

3. The high-sealing automatic vacuum device according to claim 1, characterized in that, The sealing ring mounting groove (24) is provided with a positioning blind hole (211), and the upper sealing ring is provided with a plug-in post (51) corresponding to the positioning blind hole (211).

4. The high-sealing automatic vacuuming device according to claim 1, characterized in that, The densifying surface (52) includes a serrated surface, a wavy surface, and a concave-convex surface for increasing sealing performance.

5. The high-sealing automatic vacuum device according to claim 1, characterized in that, The sealing ring (5) is bonded to the inner wall of the sealing ring mounting groove (24) and the outer side of the lower protrusion of the lower cover (2) by adhesive.

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