Special-shaped hollow silica gel sealing ring and sealing cover

Abstract

The utility model discloses a kind of special-shaped hollow silica gel sealing ring and sealing cover, it is related to silica gel sealing ring technical field, including sealing ring pad, the sealing ring pad is formed by wall end sealing portion and limiting protruding portion, wall end sealing portion and limiting protruding portion are integrally formed;Multiple hollow cavities, are set in the inside of the sealing ring pad;Multiple lip, are set in the outer wall of the sealing ring pad everywhere, for forming multiple seals.Wall end sealing portion and limiting protruding portion constitute the special-shaped shape of sealing ring pad, can further increase the surface area of sealing ring pad, can set more lip, form multiple seals, can effectively improve sealing effect, can satisfy the scene of higher sealing requirement, the hollow cavity design in the sealing ring pad inside can reduce the material amount required for production, reduce production cost, while the honeycomb structure formed has good resilience, can be more closely fitted on the outer wall or inner wall of relevant container when using, further improve sealing performance.

Description

Technical Field

[0001] This utility model relates to the field of silicone sealing ring technology, specifically to an irregularly shaped hollow silicone sealing ring and sealing cap. Background Technology

[0002] Currently, sealing rings for airtight containers (such as food storage containers and jars) are mainly divided into two categories. One category is hollow silicone rings with regular cross-sections (such as round or rectangular) that are widely used in ordinary containers. These are manufactured using a process of extruding and molding rubber tubes followed by cutting and bonding. Their advantages include low mold costs, high production efficiency, material savings, and flexible size adjustment. However, their sealing performance (especially airtightness) is relatively weak, and the sealing rings are prone to displacement or even detachment during actual use. The other category is sealing rings with irregular cross-sections (such as multi-lip or grooved ribs) used in high-performance containers. Currently, sealing rings can only be manufactured using a solid structure and molding process. This means that molds are customized for each container lid groove shape and size, and each piece is vulcanized. Each container and each size requires an independent mold, which has disadvantages such as high production costs and long production cycles. It also hinders product upgrades, specification expansion and customization, slows down market response, and the molding process is discrete, with low output per unit, making it difficult to meet large-volume demand, easily becoming a production capacity bottleneck. Frequent mold changes reduce production efficiency, and the solid structure uses significantly more material than a regular hollow ring, with redundant material in non-load-bearing areas, resulting in material waste.

[0003] Therefore, there is an urgent need for a sealing ring that can retain the high performance advantages of irregular cross-sections while achieving low-cost, high-efficiency, and high-flexibility production of regular hollow extruded rings. Utility Model Content

[0004] The purpose of this invention is to provide an irregularly shaped hollow silicone sealing ring and sealing cap to solve the technical problem that existing sealing rings cannot simultaneously achieve both sealing performance and low cost.

[0005] To achieve the above objectives, this utility model proposes an irregularly shaped hollow silicone sealing ring, including a sealing ring gasket, wherein the sealing ring gasket is composed of a wall end sealing part and a limiting protrusion part, and the wall end sealing part and the limiting protrusion part are integrally formed. Multiple hollow cavities are formed inside the sealing ring gasket; Multiple lips are formed at various points on the outer wall of the sealing ring gasket to create multiple seals.

[0006] Preferably, the lip includes: a first lip, formed on the surface where the sealing gasket contacts the first cover or the second cover, to ensure that the sealing gasket is tightly fitted to the inner wall of the first cover or the second cover; The second lip is formed on the surface where the sealing gasket contacts the sealed component to ensure that the sealing gasket fits tightly against the sealed component.

[0007] Preferably, the sealing ring gasket has a transition inclined portion at its bottom outer edge, and the outer diameter of the transition inclined portion is smaller than the outer diameter of the wall end sealing portion.

[0008] Preferably, the limiting protrusion is disposed on the inner side of the sealing ring gasket and engages with the outer edge of the first cover.

[0009] Preferably, the sealing ring gasket further includes an anti-detachment rib, which is disposed on the inner side of the sealing ring gasket, located below the limiting protrusion, and is used to form a snap-fit ​​fixation with the first cover.

[0010] Preferably, the limiting protrusion is disposed on the outside of the sealing ring gasket, and the outside of the limiting protrusion is in close contact with the inner wall of the annular groove of the second cover.

[0011] In another aspect of this utility model, a sealing cap is provided, comprising: The first cover is used to install the sealing ring gasket; The support is located around the bottom edge of the first cover and is used to laterally compress the limiting protrusion provided inside the sealing ring gasket. Several sets of limiting side plates are arranged around the outside of the lower edge of the support to form a snap-fit ​​with the sealing ring gasket.

[0012] Preferably, the sealing ring gasket is provided with anti-detachment ribs around its periphery, and the plurality of limiting side plates are engaged with the anti-detachment ribs for limiting engagement.

[0013] Preferably, the maximum outer diameter of the first cover is greater than the maximum outer diameter of the sealing ring gasket.

[0014] In another aspect of this utility model, a sealing cap is also provided, comprising: The second cover is used to install the sealing ring gasket; Two sets of limiting lower edges are provided at the bottom of the second cover body, and the two sets of limiting lower edges maintain a predetermined distance. The limiting protrusion provided on the outside of the sealing ring gasket is located between the distance between the two sets of limiting lower edges.

[0015] Compared with the prior art, this utility model has at least the following advantages: In this invention, the wall-end sealing part and the limiting protrusion form the irregular shape of the sealing ring gasket, which can further increase the surface area of ​​the sealing ring gasket, allow for more lips to be opened, and form multiple seals, effectively improving the sealing effect and meeting the needs of scenarios with high sealing requirements. In addition, in this invention, the hollow cavity design inside the sealing ring gasket reduces the amount of material required for production, thereby reducing production costs. At the same time, the honeycomb structure formed has good resilience, allowing it to fit more tightly to the outer or inner wall of the relevant container during use, further improving the sealing performance.

[0016] Furthermore, in this invention, anti-loosening ribs are added to the sealing ring gasket, making the sealing ring firmly and reliably installed, not easy to loosen or fall off, and ensuring the sealing stability for long-term use. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the sealing ring gasket in use in Embodiment 2 of this utility model; Figure 2 This is a three-dimensional schematic diagram of the sealing ring gasket in Embodiment 2 of this utility model; Figure 3 This is a schematic cross-sectional view of the sealing ring gasket in Embodiment 2 of this utility model; Figure 4 This is a schematic diagram of the sealing ring gasket in use in Embodiment 3 of this utility model; Figure 5 This is a three-dimensional schematic diagram of the sealing ring gasket in Embodiment 3 of this utility model; Figure 6 This is a schematic cross-sectional view of the sealing ring gasket in Embodiment 3 of this utility model.

[0019] In the figure: 1. Sealing ring gasket; 2. Wall end sealing part; 3. Limiting protrusion; 4. Transition inclined part; 5. Hollow cavity; 6. Anti-detachment rib; 7. First lip; 8. Second lip; 9. First cover; 10. Support lower edge; 11. Limiting side plate; 12. Second cover; 13. Limiting lower edge. Detailed Implementation

[0020] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.

[0021] Example 1

[0022] like Figure 1-6 As shown in this embodiment, an irregularly shaped hollow silicone sealing ring is proposed, including a sealing ring gasket 1, multiple hollow cavities 5, and multiple lips.

[0023] The sealing gasket 1 is composed of a wall end sealing part 2 and a limiting protrusion part 3. The wall end sealing part 2 and the limiting protrusion part 3 are integrally formed, and the wall end sealing part 2 and the limiting protrusion part 3 constitute the irregular shape of the sealing gasket 1, which can further increase the surface area of ​​the sealing gasket 1, thereby facilitating the opening of more lips on the outer wall of the sealing gasket 1 and improving the sealing performance of the sealing gasket 1 during use.

[0024] In this embodiment, multiple hollow cavities 5 are formed inside the sealing ring gasket 1. The design of the hollow cavities 5 further reduces the amount of material required in the production process, which can save production costs. At the same time, it can reduce the weight of the sealing ring to a certain extent. Furthermore, the honeycomb structure formed by the hollow cavities 5 has good resilience properties, which can fit more tightly to the outer or inner wall of the relevant container during use, further improving the sealing performance.

[0025] Furthermore, in this embodiment, multiple lips (not labeled) are respectively formed on the outer wall of the sealing ring gasket 1 to form multiple seals. When the sealing ring 1 contacts the sealed part, the lips can fit tightly with the sealing cover and the surface of the sealed part, increasing the sealing layer and reliability, and effectively preventing gas or liquid leakage.

[0026] Specifically, multiple lips, including a first lip 7, are formed on the surface of the sealing gasket 1 that contacts the first cover 9 or the second cover 12, to ensure that the sealing gasket 1 is tightly fitted to the inner wall of the first cover 9 or the second cover 12. When the sealing gasket 1 is installed on the first cover 9 or the second cover 12, the first lip 7 can form multiple sealing layers between itself and the first cover 9 or the second cover 12, thereby preventing leakage between the sealing gasket 1 and the first cover 9 or the second cover 12.

[0027] The multiple lips also include a second lip 8, which is formed on the surface of the sealing gasket 1 that contacts the sealed part, to ensure that the sealing gasket 1 and the sealed part are tightly fitted. When the sealing gasket 1 is in use, the second lip 8 can fit against the inner wall of the sealed part, thereby forming a multiple seal on the sealed part and preventing leakage between the sealing gasket 1 and the sealed part.

[0028] The multiple seals formed between the first lip 7 and the sealing cap, combined with the multiple seals formed between the second lip 8 and the sealed component, enable the sealing ring gasket 1 to have good sealing performance during use, greatly reducing the probability of leakage in the later stages.

[0029] In this embodiment, a transition inclined portion 4 can be further provided at the bottom outer edge of the sealing ring gasket 1. The outer diameter of the transition inclined portion 4 is smaller than the outer diameter of the wall end sealing portion 2. The design of the transition inclined portion 4 allows the sealing ring gasket 1 to move smoothly along the inner or outer wall of the sealed component without generating excessive friction, thereby preventing excessive wear of the sealing ring gasket 1 and providing good protection for the sealing ring gasket 1, thereby further extending the service life of the product.

[0030] It should be noted that during the production of the sealing ring gasket 1, the wall end sealing part 2 and the limiting protrusion part 3 are integrally molded. For example, the continuous length of the irregular hollow silicone profile is produced in one go using the extrusion molding process. The specific mold models used are YX-01 and YX-02.

[0031] In this embodiment, the irregular shape of the sealing gasket 11 is formed by the wall-end sealing part 2 and the limiting protrusion 1, which can further increase the surface area of ​​the sealing gasket, allow for more lips to be opened, form multiple seals, effectively improve the sealing effect, and meet the needs of scenarios with high sealing requirements. In addition, multiple sets of hollow cavities 5 are opened inside the sealing gasket, which can greatly reduce the amount of material required for production and reduce production costs. At the same time, the honeycomb structure formed has good resilience properties, which can fit more tightly to the outer or inner wall of the relevant container during use, further improving the sealing performance.

[0032] Example 2

[0033] like Figure 1-3 As shown, this embodiment further refines the first embodiment by placing the limiting protrusion 3 inside the sealing gasket 1 to match the limiting structure formed by the supporting lower edge 10 on the first cover 9 and several sets of limiting side plates 11. Specifically, in this second embodiment, the limiting protrusion 3 is placed inside the sealing gasket 1 and engages with the outer edge of the first cover 9. This design allows the limiting protrusion 3 to form a stable engagement with the outer edge of the first cover 9 when the sealing gasket 1 is installed on the first cover 9, thereby improving the firmness of the sealing gasket 1 during later use.

[0034] In this embodiment, the sealing ring gasket 1 also includes an anti-detachment rib 6. The anti-detachment rib 6 is disposed on the inner side of the sealing ring gasket 1, located below the limiting protrusion 3, and is used to form a snap-fit ​​fixation with the first cover 9. When installed with the matching cover, it can cooperate with the corresponding structure on the cover to make the sealing ring gasket 1 firmly installed on the cover, preventing the sealing ring from loosening or shifting during use and ensuring the sealing effect.

[0035] In addition, a transition inclined portion 8 is provided at the bottom outer edge of the sealing ring gasket. Its specific structure and setting position can be referred to the description in Embodiment 1, and will not be repeated here.

[0036] The remaining structures of the irregular hollow silicone sealing ring proposed in this embodiment (such as the hollow cavity 5, multiple lips, etc.) are the same as those in Embodiment 1. Their specific structures and settings can be referred to the description in Embodiment 1, and will not be repeated here.

[0037] In this embodiment, by setting the limiting protrusion 3 on the inner side of the sealing gasket 1, it matches most sealing caps in the existing market that are similar in structure to the first cover 9, thereby forming a first layer of fixation and making the sealing gasket 1 have a wider range of applications. The sealing gasket 1 is also provided with an anti-detachment rib 6. When the sealing gasket 1 in this embodiment is installed on the corresponding sealing cap, the anti-detachment rib 6 can be engaged with the corresponding sealing cap, thereby forming a second layer of fixation. The two work together to make the sealing gasket 1 less likely to fall off during use, thus ensuring the stability and sealing performance of the sealing gasket 1 during use.

[0038] Example 3

[0039] like Figure 4-6 This embodiment further refines the first embodiment by placing the limiting protrusion 3 on the outer side of the sealing ring gasket 1 to match the limiting structure formed by the limiting lower edge 13 on the second cover 12. Specifically, in this third embodiment, the limiting protrusion 3 is placed on the outer side of the sealing ring gasket 1, and the outer side of the limiting protrusion 3 is in close contact with the inner wall of the annular groove of the second cover 12. At this time, the limiting protrusion 3 placed on the outer side of the sealing ring gasket 1 can accurately engage with the annular groove formed at the bottom of the second cover 12, thereby improving the stability of the sealing ring gasket 1 when it is installed on the second cover 12. Different distribution patterns of the limiting protrusion 3 allow the sealing ring gasket 1 to adapt to different installation and usage scenarios. At the same time, the limiting protrusion 3 can also play different limiting and sealing auxiliary roles in different positions.

[0040] In addition, a transition inclined portion 8 is provided at the bottom outer edge of the sealing ring gasket. Its specific structure and setting position can be referred to the description in Embodiment 1, and will not be repeated here.

[0041] The remaining structures of the irregular hollow silicone sealing ring proposed in this embodiment (such as the hollow cavity 5, multiple lips, etc.) are the same as those in Embodiment 1. Their specific structures and settings can be referred to the description in Embodiment 1, and will not be repeated here.

[0042] In this embodiment, by setting the limiting protrusion 3 on the outside of the sealing gasket 1, it matches the sealing cap with a structure similar to the second cover 12 on the market. Thus, based on the second embodiment, the applicability of the sealing gasket 1 is further expanded. In this embodiment, the sealing gasket 1 can be snapped into the annular groove provided on the second cover 12. By utilizing the friction between the sealing gasket 1 and the annular groove and the elastic force generated by the deformation of the sealing gasket 1, the sealing gasket 1 can be firmly snapped into the second cover 12 to prevent it from falling off and to ensure the stability of the sealing gasket 1.

[0043] Example 4

[0044] like Figure 1 As shown, this embodiment four proposes a sealing cover, which adopts the sealing ring gasket as described in embodiment two, including: a first cover body 9, a supporting lower edge 10 and several sets of limiting side plates 11.

[0045] Specifically, since the limiting protrusion 3 used in this embodiment is located on the inner side of the sealing ring gasket 1, it can be matched and installed with the first cover 9. The first cover 9 and the sealing ring gasket 1 cooperate with each other to form a complete sealing structure. In use, the compression formed by the first cover 9 and the sealed component on the sealing ring gasket 1 can form multiple stable seals between the sealing ring gasket 1, the first cover 9, and the sealed component, thereby greatly reducing the probability of leakage.

[0046] The lower support edge 10 is arranged around the bottom edge of the first cover 9 to form a side compression on the limiting protrusion 3 provided on the inner side of the sealing ring gasket 1. The lower support edge 10 forms an outward support for the sealing ring gasket 1, so that the sealing ring gasket 1 undergoes a certain degree of deformation, thereby better fixing it on the lower support edge 10.

[0047] Several sets of limiting side plates 11 are arranged around the outside of the lower edge 10 of the support to form a snap-fit ​​with the sealing ring gasket 1. The space formed by the limiting side plates 11 matches the anti-detachment rib 6, so that the anti-detachment rib 6 can be stably inserted into the space formed by the limiting side plates 11, further improving the stability of the sealing ring gasket 1 when it is installed on the first cover 9, and preventing it from falling off or deviating from the predetermined sealing point.

[0048] Because the sealing gasket 1 is provided with anti-detachment ribs 6 on its periphery, several sets of limiting side plates 11 and anti-detachment ribs 6 can be engaged to limit and lock, thereby forming a stable engagement, preventing the sealing gasket 1 from falling off during use and ensuring the reliability of the seal.

[0049] In this embodiment, the maximum outer diameter of the first cover 9 is greater than the maximum outer diameter of the sealing ring gasket 1, so that the first lip 7 opened on the sealing ring gasket 1 can fully contact the first cover 9, thereby ensuring the smooth formation of multiple seals. In addition, the edge of the first cover 9 also makes it convenient for the user to disassemble and install the sealing cover 3 during use.

[0050] When using it, the user can first open the sealing ring gasket 1, then align the anti-detachment rib 6 of the sealing ring gasket 1 with the limiting side plate 11 on the first cover 9, slowly insert it and press it down to make the anti-detachment rib 6 and the limiting side plate 11 form a snap-fit ​​fixation, thus completing the installation of the sealing ring gasket 1.

[0051] Example 5

[0052] like Figure 4 As shown, this embodiment five proposes another sealing cover, which adopts the sealing ring gasket as described in embodiment three, including: a second cover body 12 and two sets of limiting lower edges 13.

[0053] Specifically, since the limiting protrusion 3 used in this embodiment is located on the outside of the sealing ring gasket 1, it can be matched and installed with the second cover 12.

[0054] In this embodiment, the second cover 12 is used to install the sealing gasket 1. The second cover 12 provides an installation position for the sealing gasket 1 with the limiting protrusion 3 on the outside, ensuring the stability of the sealing gasket 1 during use.

[0055] In this embodiment, both sets of limiting lower edges 13 are disposed at the bottom of the second cover 12, and the two sets of limiting lower edges 13 maintain a predetermined distance. The limiting protrusion 3 disposed on the outside of the sealing ring gasket 1 is located between the distance of the two sets of limiting lower edges 13. The annular groove formed by the two sets of limiting lower edges 13 can be used to install the sealing ring gasket 1. The enclosure structure formed by the limiting lower edges 13 can make the sealing ring gasket 2 and the edge of the sealed part form a tight contact.

[0056] The above are merely preferred embodiments of this utility model and do not constitute any limitation on this utility model. Any equivalent substitutions or modifications made by those skilled in the art to the technical solutions and contents disclosed in this utility model without departing from the scope of the technical solutions of this utility model shall still fall within the protection scope of this utility model.

Claims

1. An irregularly shaped hollow silicone sealing ring, characterized in that: Includes a sealing gasket, which is composed of a wall end sealing part and a limiting protrusion part, and the wall end sealing part and the limiting protrusion part are integrally formed; Multiple hollow cavities are formed inside the sealing ring gasket; Multiple lips are formed at various points on the outer wall of the sealing ring gasket to create multiple seals.

2. The irregularly shaped hollow silicone sealing ring according to claim 1, characterized in that, The lip includes: a first lip, which is formed on the surface of the sealing gasket that contacts the first cover or the second cover, to ensure that the sealing gasket is tightly fitted to the inner wall of the first cover or the second cover; The second lip is formed on the surface where the sealing gasket contacts the sealed component to ensure that the sealing gasket fits tightly against the sealed component.

3. The irregularly shaped hollow silicone sealing ring according to claim 1, characterized in that, The sealing ring gasket has a transition inclined portion at its bottom outer edge, and the outer diameter of the transition inclined portion is smaller than the outer diameter of the wall end sealing portion.

4. The irregularly shaped hollow silicone sealing ring according to claim 1, characterized in that, The limiting protrusion is located on the inner side of the sealing ring gasket and engages with the outer edge of the first cover.

5. The irregularly shaped hollow silicone sealing ring according to claim 4, characterized in that, The sealing ring gasket also includes an anti-detachment rib, which is disposed on the inner side of the sealing ring gasket, below the limiting protrusion, and is used to form a snap-fit ​​fixation with the first cover.

6. The irregularly shaped hollow silicone sealing ring according to claim 1, characterized in that, The limiting protrusion is located on the outside of the sealing ring gasket, and the outside of the limiting protrusion is in close contact with the inner wall of the annular groove of the second cover.

7. A sealing cap, characterized in that, The irregularly shaped hollow silicone sealing rings selected from any one of items 1-5 include: The first cover is used to install the sealing ring gasket; The support is located around the bottom edge of the first cover and is used to laterally compress the limiting protrusion provided inside the sealing ring gasket. Several sets of limiting side plates are arranged around the outside of the lower edge of the support to form a snap-fit ​​with the sealing ring gasket.

8. The sealing cap according to claim 7, characterized in that, The sealing ring gasket is surrounded by anti-detachment ribs, and the several sets of limiting side plates are limited and engaged with the anti-detachment ribs.

9. The sealing cap according to claim 7, characterized in that, The maximum outer diameter of the first cover is greater than the maximum outer diameter of the sealing ring gasket.

10. A sealing cap, characterized in that, The irregularly shaped hollow silicone sealing ring adopts any one of items 1-3 or 6, including: The second cover is used to install the sealing ring gasket; Two sets of lower limiting edges are provided at the bottom of the second cover, and the two sets of lower limiting edges maintain a predetermined distance. The limiting protrusion provided on the outside of the sealing ring gasket is located between the distance between the two sets of lower limiting edges.

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