A special sealing cap for pickling containers

Abstract

This utility model discloses a special sealing cap for pickling containers, comprising a cap body with an integrally connected connecting wall on one side near the edge. A set of vent holes and inspection holes arranged in a star-shaped pattern are installed inside the cap body, with each vent hole having an integral bottom structure. In use, the sealing cap is placed on the pickling container, and the pressing of the top and bottom caps traps air between the pickling solution and the bottom of the cap, generating bubbles. Pressing down on the cap body allows the bubbles to escape smoothly through the vent holes, ensuring the pickled item is completely submerged in the pickling solution. Any trace amounts of gas generated during the pickling process can also be released through the vent holes. Simultaneously, pressing down on the cap body when sealing ensures the pickled item is completely sealed in the solution, preventing contact with air and avoiding floating due to high salinity, which could affect quality. This sealing cap's unique press-type automatic venting principle solves the difficult and challenging problem of sealing in the pickling industry, achieving both high efficiency and high quality.

Description

Technical Field

[0001] This utility model relates to the field of pickling container technology, specifically a special sealing cap for pickling containers. Background Technology

[0002] In the traditional pickling process of Chinese pickles, preserved eggs, and salted duck eggs, there has long been a thorny problem: there are only containers for holding ingredients and pickling seasonings, but no professional, efficient, and easy-to-use sealing cap specifically designed for pickling and sealing.

[0003] When the sealing lid is placed on the marinating container, the pressing and sealing process can easily trap air between the marinating solution and the bottom of the lid, creating numerous air bubbles. These residual air bubbles occupy space inside the container, preventing the food from being fully submerged in the marinating solution, leaving some of the food exposed to air. This not only affects the uniformity of marinating but can also lead to oxidation and spoilage due to contact with air, severely reducing product quality.

[0004] Even after sealing, if the pickled food floats due to excessively high salinity in the pickling solution, traditional sealing lids are insufficient to effectively prevent it from coming into contact with air. The floating food remains exposed to the air layer beneath the lid, further increasing the risk of quality deterioration and making quality control during the pickling process more difficult.

[0005] Furthermore, the ingredients themselves may produce trace amounts of gas during the pickling process, and traditional sealing lids lack effective venting channels. The accumulation of these gases inside the container can cause the lid to lift or reduce its sealing performance, compromising the airtightness of the pickling environment and potentially causing abnormal pressure within the container, thus affecting pickling efficiency and safety. Utility Model Content

[0006] The purpose of this utility model is to provide a special sealing cap for pickling containers to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a special sealing cap for pickling containers, including a cap body, a connecting wall integrally connected to the outer wall of the cap body near the edge, a set of vent holes installed inside the cap body, the vent holes being evenly arranged in a star-shaped pattern, and a sampling hole also installed on the surface inside the cap body.

[0008] Each of the vent holes is integrally connected to an external threaded ring at its bottom. A set of internal threaded grooves arranged in a cross shape are formed on the surface of the cover. A bottom opening is also formed on the surface of the cover. The vent hole is screwed into the internal threaded groove by the external threaded ring. The bottom of the inspection hole is sealed and welded around the bottom opening. Two magnetic sealing plates are symmetrically installed inside the bottom opening.

[0009] Preferably, the diameter of the external threaded ring is larger than the inner diameter of the bottom of the internal threaded groove, and a bottom ring is integrally connected to the bottom of the external threaded ring, with a sealing ring bonded to the bottom of the bottom ring.

[0010] Preferably, the bottom of the bottom ring and the bottom of the external threaded ring are at the same horizontal height, and the external threaded ring forms a sealing structure with the internal threaded groove connection end through the bottom ring and the sealing ring;

[0011] The external threaded ring has two inner blocks symmetrically installed inside, and a top bar connects the two inner blocks.

[0012] Preferably, two sealing pieces are symmetrically bonded to the surface of the bottom ring. The sealing pieces are semi-circular in structure, and a magnetic sealing strip is bonded to each of the two sealing pieces on opposite sides. The two sealing pieces are sealed together by the two magnetic sealing strips.

[0013] Preferably, each sealing sheet has an air guide sheet adhered to its surface, and the air guide sheet is adhered to a connecting sheet. The outer wall of the other side of the connecting sheet is adhered to the inner wall of the external threaded ring.

[0014] Preferably, the surface of the air guide plate is inclined, and the bottom end of the air guide plate extends to the magnetic sealing strip, and the distance between the two air guide plates is greater than the size of the two magnetic sealing strips.

[0015] Preferably, a notch is provided on each of the two sides of the top opening of the sampling hole, and a limiting ring is sealed and bonded to the inner wall of the center end of the sampling hole.

[0016] Preferably, the bottom outer wall of the limiting ring is sealed and squeezed together with the outer wall of the opening end of the C-shaped sealing sheet, the inner wall of the center end of the C-shaped sealing sheet is fixedly bonded to the bottom of the connecting rod, and the top end of the connecting rod extends out of the inspection hole and is sleeved on the pressure strip.

[0017] Preferably, both ends of the pressure strip are respectively interference-fitted with a notch.

[0018] Preferably, a tightening cap is threaded onto the outer wall of the end of the connecting rod extending out of the sampling hole, and one end of the tightening cap is pressed against the outer wall of the pressure strip.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. This special sealing cap for pickling containers, when placed on top of the container and pressed together, traps air between the pickling solution and the bottom of the cap, creating bubbles. Pressing down on the cap allows these bubbles to escape through the vent, ensuring the pickled items are completely submerged in the pickling solution. Any trace amounts of gas produced during the pickling process can also be released through the vent. Simultaneously, pressing down on the cap ensures the pickled items are completely encased in the solution, preventing contact with air and avoiding the risk of floating due to high salinity, which could affect quality. This unique press-type automatic venting principle solves the difficult and challenging problem of sealing in the pickling industry, achieving both high efficiency and high quality, and providing a more convenient and effective sealing solution.

[0021] 2. This special sealing cap for pickling containers allows for easy inspection of the pickled products inside. First, wipe away any accumulated dust from the C-shaped sealing strip with a clean cloth. Then, pull the connecting rod to deform the C-shaped sealing strip, allowing it to move from the bottom to the top of the limiting ring and be removed. This allows for sampling inspection of the pickled products inside the container through the inspection hole. This method achieves the necessary sampling without removing the entire cap, thus reducing the possibility of debris falling into the pickling container through the large opening. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structural structure of this utility model from a bottom view.

[0023] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0024] Figure 3 This is a schematic diagram of the overall main structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the cross-sectional structure of the exhaust port of this utility model;

[0026] Figure 5 This is a schematic diagram of the cross-sectional structure of the external threaded ring of this utility model;

[0027] Figure 6 This is a partial cross-sectional view of the cover of this utility model;

[0028] Figure 7 This is a front sectional view and enlarged structural schematic diagram of the present invention;

[0029] Figure 8 This is a schematic diagram of the cross-sectional connection structure of the sampling hole of this utility model;

[0030] Figure 9 This is a bottom view of the cross-sectional structure of the sampling hole of this utility model.

[0031] In the diagram: 1. Cover; 2. Connecting wall; 3. Vent hole; 4. Inspection hole; 41. Notch; 42. Limiting ring; 43. C-shaped sealing strip; 44. Connecting rod; 45. Pressure strip; 46. Tightening cap; 5. Internal threaded groove; 6. Bottom opening; 61. Magnetic sealing strip; 7. External threaded ring; 71. Inner block; 72. Top strip; 8. Bottom ring; 9. Sealing ring; 10. Sealing plate; 101. Magnetic sealing strip; 102. Air guide plate; 103. Connecting plate. Detailed Implementation

[0032] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Please see Figure 1-9 This utility model provides a technical solution: a special sealing cap for pickling containers, including a cap body 1, and a connecting wall 2 integrally connected to the outer wall of the cap body 1 near the edge end. The cap body 1 and the connecting wall 2 are assembled to form a special sealing cap for pickling containers.

[0034] A set of exhaust holes 3 are installed inside the cover 1. The exhaust holes 3 are evenly arranged in a cross shape. A sampling hole 4 is also installed on the inner surface of the cover 1.

[0035] The cover 1, connecting wall 2, vent 3, and sampling hole 4 in this technical solution can be produced according to actual production needs to create special covers for pickling containers of various shapes, sizes, and dimensions.

[0036] Each vent hole 3 has an external threaded ring 7 integrally connected to its bottom. A set of internal threaded grooves 5 arranged in a cross shape are opened on the surface of the cover body 1. A bottom opening 6 is also opened on the surface of the cover body 1. The vent hole 3 is screwed into the inside of the internal threaded groove 5 through the external threaded ring 7. The bottom of the inspection hole 4 is sealed and welded around the opening of the bottom opening 6. Two magnetic sealing plates 61 are symmetrically installed inside the bottom opening 6.

[0037] The diameter of the external threaded ring 7 is larger than the inner diameter of the bottom of the internal threaded groove 5. The bottom of the external threaded ring 7 is integrally connected to a bottom ring 8, and a sealing ring 9 is bonded to the bottom of the bottom ring 8.

[0038] In use, the vent hole 3 is screwed into the corresponding internal thread groove 5 through the threaded ring 7. After the connection, the threaded ring 7 will press the sealing ring 9 against the inner wall of the internal thread groove 5 through the bottom ring 8, thereby maintaining a good sealing effect between the threaded ring 7 and the internal thread groove 5.

[0039] The bottom of the bottom ring 8 and the bottom of the external threaded ring 7 are at the same horizontal height. The external threaded ring 7 forms a sealing structure with the connection end of the internal threaded groove 5 through the bottom ring 8 and the sealing ring 9.

[0040] Two inner blocks 71 are symmetrically installed inside the external threaded ring 7, and a top bar 72 connects the two inner blocks 71.

[0041] The top strip 72 has a C-shaped structure on its side and is positioned above the mating ends of the two magnetic sealing strips 101.

[0042] When excessive air pressure flows to the magnetic sealing strip 101, the top strip 72 will block some of the air pressure from diffusing to other areas, thereby allowing the air pressure to accumulate to the maximum extent at the two magnetic sealing strips 101, thus increasing the speed of air pressure discharge.

[0043] Two sealing pieces 10 are symmetrically bonded to the surface of the bottom ring 8. The sealing pieces 10 have a semi-circular structure, and a magnetic sealing strip 101 is bonded to each of the two sealing pieces 10 on opposite sides. The two sealing pieces 10 are sealed together by the two magnetic sealing strips 101.

[0044] When gas inside the pickling container needs to be released to the outside, the internal air pressure will be greater than the external air pressure, thus compressing the outer wall of the air guide plate 102. Since the outer wall of the air guide plate 102 is inclined, the air pressure will flow along the inclined surface of the air guide plate 102 towards the magnetic sealing strip 101. Furthermore, the air pressure will compress the connecting end of the magnetic sealing strip 101. When the compression exceeds the adsorption force at the connection point of the magnetic sealing strip 101, a small gap will be created between the two magnetic sealing strips 101, allowing the airflow inside the pickling container to escape to the outside.

[0045] The sealing ring 9, sealing piece 10, air guide piece 102, and connecting piece 103 are all made of food-grade silicone, which ensures their long-term stable performance under acidic and alkaline conditions.

[0046] Each sealing sheet 10 has an air guide sheet 102 glued to its surface. The air guide sheet 102 is glued to a connecting sheet 103. The outer wall of the other side of the connecting sheet 103 is glued to the inner wall of the external threaded ring 7.

[0047] The surface of the air guide plate 102 is inclined, and the bottom end of the air guide plate 102 extends to the magnetic sealing strip 101. The distance between the two air guide plates 102 is greater than the size of the two magnetic sealing strips 101.

[0048] A notch 41 is provided on each of the two sides of the top opening of the sampling hole 4, and a limiting ring 42 is sealed and bonded to the inner wall of the center end of the sampling hole 4.

[0049] The bottom outer wall of the limiting ring 42 is sealed and squeezed together with the outer wall of the opening end of the C-shaped sealing sheet 43. The inner wall of the center end of the C-shaped sealing sheet 43 is fixedly bonded to the bottom of the connecting rod 44. The top end of the connecting rod 44 extends out and the top end of the sampling hole 4 is sleeved on the pressure strip 45.

[0050] Both ends of the pressure strip 45 are respectively interference-fitted with a notch 41.

[0051] The interference fit between the pressure strip 45 and the recess 41 is greater than the squeezing force at the connection end of the C-shaped sealing sheet 43 and the limiting ring 42. Furthermore, during use, the pressure strip 45 can be further fixed in the recess 41 by means of screws or other methods.

[0052] A tightening cap 46 is threaded onto the outer wall of one end of the connecting rod 44 extending out of the sampling hole 4. One end of the tightening cap 46 is pressed against the outer wall of the pressure strip 45.

[0053] The C-shaped sealing strip 43 is made of fluororubber. When the tightening cap 46 is adjusted downwards along the connecting rod 44, the connecting rod 44 will drive the C-shaped sealing strip 43 to move upwards. This causes the top of the C-shaped sealing strip 43 to press against the bottom of the limiting ring 42, thus forming a sealing structure at the connection between the C-shaped sealing strip 43 and the limiting ring 42.

[0054] Working principle: When using the special sealing cap for pickling containers, firstly, place the connecting wall 2 on one side of the cap 1 onto the edge of the pickling container. During connection, the vent 3 and inspection hole 4 on one side of the cap 1 should be located inside the pickling container, with the connecting wall 2 submerged in water. When the cap 1 is pressed down, air inside the pickling container will be expelled through the vent 3. Furthermore, trace amounts of gas generated within the pickling container during the pickling process can also be expelled through the vent 3. This allows for independent venting through the vent 3 during actual use, preventing water splashing caused by venting from the water.

[0055] When it is necessary to observe the state of the pickled products inside the pickling container, first wipe away the dust accumulated in the C-shaped sealing sheet 43 with a clean cloth. Then pull the connecting rod 44 to deform the C-shaped sealing sheet 43, so that the C-shaped sealing sheet 43 can be moved from the bottom of the limiting ring 42 to the top of the limiting ring 42 and removed. At this time, the pickled products inside the pickling container can be sampled through the sampling hole 4. This solution can achieve the sampling requirement without removing the entire lid 1, thereby reducing the phenomenon of foreign matter falling into the pickling container from the large opening of the pickling container.

[0056] This is the characteristic of the special sealing cap for pickling containers. Any content not described in detail in this instruction belongs to the prior art known to those skilled in the art.

[0057] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A sealing cap for a pickling container, comprising a cap body (1), characterized in that, The cover (1) has an integrally connected connecting wall (2) on the outer wall near the edge end. A set of exhaust holes (3) are installed inside the cover (1). The exhaust holes (3) are evenly arranged in a star shape. A sampling hole (4) is also installed on the inner surface of the cover (1). Each of the vent holes (3) is integrally connected to an external threaded ring (7) at its bottom. A set of internal threaded grooves (5) arranged in a cross shape are provided on the surface of the cover (1). A bottom opening (6) is also provided on the surface of the cover (1). The vent hole (3) is screwed into the inside of the internal threaded groove (5) through the external threaded ring (7). The bottom of the inspection hole (4) is sealed and welded around the opening of the bottom opening (6). Two magnetic sealing plates (61) are symmetrically installed inside the bottom opening (6).

2. The sealing cap for a pickling container according to claim 1, characterized in that: The diameter of the external threaded ring (7) is larger than the inner diameter of the bottom of the internal threaded groove (5). The bottom of the external threaded ring (7) is integrally connected to a bottom ring (8), and a sealing ring (9) is bonded to the bottom of the bottom ring (8). The bottom of the bottom ring (8) and the bottom of the external threaded ring (7) are at the same horizontal height. The external threaded ring (7) forms a sealing structure with the connection end of the internal threaded groove (5) through the bottom ring (8) and the sealing ring (9). The external threaded ring (7) has two inner blocks (71) symmetrically installed inside, and a top bar (72) connects the two inner blocks (71).

3. The sealing cap for a pickling container according to claim 2, characterized in that: Two sealing pieces (10) are symmetrically bonded to the surface of the bottom ring (8). The sealing pieces (10) are semi-circular in structure, and a magnetic sealing strip (101) is bonded to each of the two sealing pieces (10) on opposite sides. The two sealing pieces (10) are sealed together by the two magnetic sealing strips (101).

4. The sealing cap for a pickling container according to claim 3, characterized in that: Each sealing sheet (10) has a gas guide sheet (102) glued to its surface. The gas guide sheet (102) is glued to a connecting sheet (103). The outer wall of the connecting sheet (103) is glued to the inner wall of the external threaded ring (7).

5. A sealing cap for a pickling container according to claim 4, characterized in that: The surface of the air guide plate (102) is inclined, and the bottom end of the air guide plate (102) extends to the magnetic sealing strip (101). The distance between the two air guide plates (102) is greater than the size of the two magnetic sealing strips (101).

6. The sealing cap for a pickling container according to claim 1, characterized in that: The top opening of the sampling hole (4) has a notch (41) on each side surface, and a limiting ring (42) is sealed and bonded to the inner wall of the center end of the sampling hole (4). The bottom outer wall of the limiting ring (42) is sealed and squeezed together with the outer wall of the opening end of the C-shaped sealing sheet (43). The inner wall of the center end of the C-shaped sealing sheet (43) is fixedly bonded to the bottom of the connecting rod (44). The top end of the connecting rod (44) extends out and the top end of the sampling hole (4) is sleeved on the pressure strip (45).

7. A sealing cap for a pickling container according to claim 6, characterized in that: The two ends of the pressure strip (45) are respectively press-fitted into a notch (41); The connecting rod (44) extends out of the sampling hole (4) and a tightening cap (46) is threaded onto the outer wall of the outer wall. One end of the tightening cap (46) is pressed against the outer wall of the pressure strip (45).

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