Sealing ring structure of vacuum sealer

Abstract

The utility model provides a sealing ring structure of a vacuum sealer. The sealing ring structure comprises a main machine body, a cover body, a first sealing ring and a second sealing ring, wherein the cover body is rotatably arranged on the main machine body; the first sealing ring is arranged on the main machine body; a lower cavity is formed in the main machine body, an upper cavity is formed in the cover body, a vacuum cavity is formed by the upper cavity and the lower cavity, and a sealing ring assembly is arranged on the periphery of the vacuum cavity. The sealing ring assembly comprises a first sealing ring and a second sealing ring, the side, close to the second sealing ring, of the first sealing ring protrudes outwards to form a first protruding part, a plurality of second protruding parts and sunken parts are alternately arranged on the side wall of the first sealing ring, and the multiple second protruding parts and the sunken parts form a pressure reduction belt. The vacuum bag sealing device is simple in structure and ingenious in design, under the condition that the sealing performance of a vacuum cavity is guaranteed, flowing of gas in a vacuum bag is not affected, the vacuumizing effect on vacuum bags with different lines is improved, and the food storage performance of the vacuum bags is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum machine technical field, especially a sealing ring structure of vacuum sealing machine. BACKGROUND

[0002] A vacuum sealing machine is a device used to seal food, medicine and other items. Its working principle is to extract the air in the packaging bag, thereby creating a low-oxygen environment, which helps to extend the shelf life of the items, prevent oxidation and bacterial growth. Vacuum sealing machines are often used in homes, restaurants and food processing industries to maintain the freshness of food and extend the shelf life.

[0003] The existing vacuum sealing machine is in a vacuum state in the vacuum cavity, so a sealing ring is arranged around the vacuum cavity to prevent external gas from entering the vacuum cavity. However, the existing sealing ring has the problem that when it is closed, it blocks the gas flow path in the vacuum bag, which causes the gas in the vacuum bag to be unable to be extracted or a large amount of gas to remain in the bag when the vacuum sealing machine is operating, affecting the preservation effect of the vacuum bag on food. SUMMARY

[0004] The utility model provides a sealing ring structure of vacuum sealing machine can effectively solve above -mentioned problem.

[0005] The utility model is realized as follows:

[0006] The utility model provides a sealing ring structure of vacuum sealing machine, include: main body, rotatable configuration on the main body cover, configuration on the main body first sealing ring, and configuration on the cover second sealing ring, the main body forms lower chamber, the cover forms upper chamber, the upper chamber with lower chamber forms vacuum chamber, the vacuum chamber is equipped with sealing ring subassembly, sealing ring subassembly includes: first sealing ring and second sealing ring, first sealing ring is formed with first convex part on the side near second sealing ring and is convex, first sealing ring is alternately provided with a plurality of second convex parts and recessed parts at its side wall, a plurality of second convex parts and recessed parts form pressure relief zone, first sealing ring and second sealing ring form sealed space.

[0007] As a further improvement, the first convex part includes a first convex ring fixedly arranged on the first sealing ring, and a second convex ring arranged on the first convex ring.

[0008] As a further improvement, the second convex ring has an included angle A formed in its cross section, and the included angle A is between 45° and 65°.

[0009] As a further improvement, the length of the first sealing ring is defined as B, and the length of the pressure relief zone is defined as C, and C=1 / 2B.

[0010] As a further improvement, the first sealing ring is provided with a first connecting portion on the side away from the first protruding portion.

[0011] As a further improvement, the second sealing ring is provided with a second connecting portion on the side away from the first sealing ring.

[0012] The beneficial effects of the present application are as follows:

[0013] The present application alternately sets the second protruding portion and the recessed portion on the first sealing ring to form a unique decompression belt structure, which provides a flow path for the gas in the vacuum bag while ensuring the sealing performance of the vacuum cavity, ensures that the gas can be effectively extracted by the vacuum pump, and avoids gas residues caused by the closure of the sealing ring; the decompression belt can effectively reduce the pressure applied to the vacuum bag when the sealing ring assembly is closed, avoid damage or deformation of the vacuum bag caused by excessive pressure, adapt to various types of vacuum bags, improve the vacuum effect of vacuum bags with different patterns, ensure the performance of the vacuum bag for storing food, limit the angle A of the abutting portion, which is beneficial to the rapid disengagement of the sealing ring assembly; by setting the first connecting portion and the second connecting portion on the sealing ring assembly, the sealing ring assembly can be quickly installed, and the subsequent maintenance and replacement of the sealing ring assembly are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 is a whole structure exploded schematic view of the sealing ring structure of the vacuum sealer of the present application.

[0016] Figure 2 is a sealing ring assembly structure exploded schematic view of the sealing ring structure of the vacuum sealer of the present application.

[0017] Figure 3 is a first sealing ring structure schematic view of the sealing ring structure of the vacuum sealer of the present application Figure 1 .

[0018] Figure 4 is a first sealing ring structure schematic view of the sealing ring structure of the vacuum sealer of the present application Figure 2 .

[0019] Figure 5It is the sealing ring assembly structure section view schematic drawing of the sealing ring structure of the vacuum sealing machine.

[0020] In the drawing: 1-main body, 2-cover body, 3-first sealing ring, 31-first protruding part, 311-first protruding ring, 312-second protruding ring, 32-second protruding part, 33-recessed part, 34-first connecting part, 4-second sealing ring, 41-second connecting part. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0022] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0023] Referring to Figures 1-5 As shown in the drawing, a sealing ring structure of a vacuum sealing machine comprises a main body 1, a cover body 2 rotatably arranged on the main body 1, a first sealing ring 3 arranged on the main body 1, and a second sealing ring 4 arranged on the cover body 2.

[0024] The main body 1 is formed with a lower chamber, and the cover body 2 is formed with an upper chamber. The upper chamber and the lower chamber form a vacuum chamber, and the vacuum chamber is provided with a sealing ring assembly.

[0025] The sealing ring assembly comprises a first sealing ring 3 and a second sealing ring 4, the first sealing ring 3 is outwardly protruded to form a first protruding part 31 on the side close to the second sealing ring 4, a plurality of second protruding parts 32 and recesses 33 are alternately arranged on the side wall of the first sealing ring 3, the plurality of second protruding parts 32 and recesses 33 form a pressure reduction zone, the first sealing ring 3 and the second sealing ring 4 form a sealing space, through the sealing ring assembly, the sealing property of the vacuum cavity is improved, through the alternately arranged second protruding parts 32 and recesses 33 on the first sealing ring 3, on the basis of ensuring the sealing property of the vacuum cavity, the gas in the vacuum bag can also flow and be extracted by the vacuum pump in the vacuum sealing machine.

[0026] Further, in order to improve the sealing property of the vacuum cavity of the vacuum sealing machine, a sealing ring assembly is arranged, the sealing ring assembly comprises a first sealing ring 3 and a second sealing ring 4, the first sealing ring 3 can be arranged on the main body 1 or the cover body 2 of the vacuum sealing machine, the second sealing ring 4 can also be arranged on the main body 1 or the cover body 2 of the vacuum sealing machine, in order to facilitate the installation of the first sealing ring 3 and the second sealing ring 4, the first sealing ring 3 is arranged with a first connecting part 34 on the side away from the first protruding part 31, the second sealing ring 4 is arranged with a second connecting part 41 on the side away from the first sealing ring 3, a plurality of embedding grooves are arranged on the first connecting part 34 and the second connecting part 41, the embedding grooves facilitate the insertion of the first sealing ring 3 and the second sealing ring 4 into the main body 1 or the cover body 2, and can avoid the falling of the sealing ring assembly during use.

[0027] Further, in order to improve the tightness of the sealing ring assembly when the vacuum sealing machine is closed, the first sealing ring 3 is outwardly protruded to form a first protruding part 31 on the side close to the second sealing ring 4, the first protruding part 31 comprises a first protruding ring 311 and a second protruding ring 312, the first protruding ring 311 is fixedly arranged on the first sealing ring 3, the second protruding ring 312 is fixedly arranged on the first protruding ring 311, the second protruding ring 312 is formed with an included angle A in cross section, the range of the included angle A is 45°-65°, which is beneficial to improving the sealing property of the vacuum cavity when the vacuum machine is closed, and quickly separating when the cover body 2 is opened, avoiding the separation difficulty caused by the excessive adhesion between the sealing ring assemblies, in the embodiment, the included angle A is preferably 50°.

[0028] Further, in order to avoid the gas flow path of the vacuum bag being closed when the first sealing ring 3 and the second sealing ring 4 are closed, the second convex ring 312 is provided with an arc surface at the corner end, and a plurality of second convex portions 32 and recessed portions 33 are alternately arranged on the side wall of the first sealing ring 3, the plurality of second convex portions 32 and recessed portions 33 form a decompression zone for reducing the pressure in the area when the first sealing ring 3 and the second sealing ring 4 are closed, preventing the gas flow path of the vacuum bag from being closed, and in order to ensure the pumping efficiency of the vacuum pump of the vacuum sealer, the shortest length of the decompression zone is required, the length of the first sealing ring 3 is defined as B, and the length of the decompression zone is defined as C, then C=1 / 2B, so as to ensure that all the gas in the vacuum bag can be pumped out when the vacuum pump is working, avoiding the influence of residual gas on the effect of food preservation in the vacuum bag.

[0029] The preferred embodiments of the present application have been described above, but the present application is not limited to the above embodiments, and various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sealing ring structure for a vacuum sealing machine, characterized in that, The application relates to a vacuum chamber, which comprises a main body (1), a cover body (2) rotatably arranged on the main body (1), a first sealing ring (3) arranged on the main body (1), and a second sealing ring (4) arranged on the cover body (2). The main body (1) is formed with a lower chamber, the cover body (2) is formed with an upper chamber, the upper chamber and the lower chamber form a vacuum chamber, and a sealing ring assembly is arranged around the vacuum chamber. The sealing ring assembly comprises the first sealing ring (3) and the second sealing ring (4), the first sealing ring (3) is formed with a first protruding part (31) on one side close to the second sealing ring (4), a plurality of second protruding parts (32) and recessed parts (33) are alternately arranged on the side wall of the first sealing ring (3), the plurality of second protruding parts (32) and recessed parts (33) form a pressure reduction belt, and the first sealing ring (3) and the second sealing ring (4) form a sealed space. The first protruding part (31) comprises a first protruding ring (311) fixedly arranged on the first sealing ring (3) and a second protruding ring (312) arranged on the first protruding ring (311).

2. The sealing ring structure of a vacuum sealer according to claim 1, wherein The second protruding ring (312) is formed with an included angle A, and the included angle A is 45-65 degrees.

3. The sealing ring structure of a vacuum sealer according to claim 2, wherein The length of the first sealing ring (3) is defined as B, and the length of the pressure reduction belt is defined as C, so that C=1 / 2B.

4. The sealing ring structure of a vacuum sealer according to claim 2, wherein The first sealing ring (3) is provided with a first connecting part (34) on one side away from the first protruding part (31).

5. The sealing ring structure of a vacuum sealer according to claim 2, wherein The second sealing ring (4) is provided with a second connecting part (41) on one side away from the first sealing ring (3).

6. The sealing ring structure of a vacuum sealer according to claim 1, wherein ​

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