Ventilation assembly, bottle cap comprising ventilation assembly, ventilation container and liquid storage container

Abstract

The utility model discloses a ventilation assembly, a bottle cap comprising the ventilation assembly, a ventilation container and a liquid storage container, the ventilation assembly comprises an upper sleeve ring and a lower sleeve cover, the upper sleeve ring comprises an outer ring and a top cover located at the top of the outer ring, the top cover is hollow, a ventilation film is arranged at the hollow position of the top cover, and a plurality of protection columns are arranged around the ventilation film at intervals; the outer ring extends downwards to form a guide ring, a plurality of exhaust grooves are formed in the side face of the outer ring, and the exhaust grooves and the protection columns are located at opposite positions. The lower sleeve cover comprises a bottom cover, a supporting seat is arranged on the bottom cover, the protection column is clamped on the supporting seat, a guide face matched with the guide ring for use is arranged on the side face of the supporting seat, and the guide ring of the upper sleeve ring is arranged on the guide face of the lower sleeve cover in a sleeving mode. The ventilation assembly has the effects of blocking liquid, relieving pressure and exhausting air, the service life of a traditional ventilation assembly is prolonged, and the ventilation assembly has wide popularization value.

Description

Technical Field

[0001] This utility model relates to the field of pressure relief and venting components, specifically to a venting component, a bottle cap including the venting component, and a liquid storage container. Background Technology

[0002] When liquids are stored in containers, changes in ambient temperature and air pressure can cause liquid vaporization and the volatilization of gases dissolved in the liquid. If these gases are not expelled from the container in time, the internal pressure will rise, potentially leading to the container bursting.

[0003] Authorization announcement number CN212314376U discloses a liquid-resistant bottle cap, which includes an inner ring and an outer seat. The inner ring is detachably fixed inside the outer seat. The inner ring includes a vent ring, a vent ring connecting ring, a waterproof and breathable membrane, and retaining strips. The vent ring connecting ring is integrally disposed on the upper side of the vent ring. Multiple retaining strips are arranged circumferentially on the outer side of the vent ring, with the lower end of each retaining strip protruding from the lower surface of the vent ring. Multiple drainage holes are circumferentially arranged at intervals at the bottom of the outer seat. In use, gas in the liquid storage container enters the interior of the outer seat through the drainage holes on the outer seat, then passes through the waterproof and breathable membrane into the inner ring, and subsequently enters the threaded cap connecting ring and is discharged outside the liquid storage container through the vent holes. Gas in the liquid storage container can also enter the interior of the outer seat through the gaps between the retaining strips, and then enter the inner ring through the gap between the retaining strips and the bottom of the outer seat, subsequently entering the threaded cap connecting ring and being discharged outside the liquid storage container through the vent holes. Liquid splashed into the outer casing enters the outer casing through the gap between the clips, is discharged through the drain hole, and returns to the liquid storage container, thus preventing liquid overflow.

[0004] The aforementioned anti-liquid corrosion bottle caps can prevent liquid spillage and relieve pressure and vent gas for a certain period of time, but their service life is relatively short. After prolonged use, the bottle caps may deform or even crack, requiring frequent replacement, which increases usage costs and causes inconvenience to manufacturers. Utility Model Content

[0005] In view of the above-mentioned defects in the prior art, the present invention provides a venting component. This venting component has protective posts spaced apart on the outer side of the venting membrane to protect it. An exhaust groove is formed on the side of the upper collar, and the exhaust groove is positioned opposite to the protective posts. The protective posts have a certain blocking effect, preventing liquid entering from the exhaust groove from directly splashing into the venting membrane, thus avoiding liquid covering the venting membrane and reducing its function. Simultaneously, due to the spaced protective posts, gas entering from the exhaust groove enters the space enclosed by the protective posts through the gaps between them and is discharged into the external environment through the venting membrane, thereby achieving a pressure relief and venting effect. Therefore, the present invention also provides a bottle cap including this venting component and a liquid storage container including the bottle cap.

[0006] This utility model provides a breathable component, including an upper collar and a lower cover.

[0007] The upper ring includes an outer ring and a top cover located at the top of the outer ring. The top cover is hollow, and a breathable membrane is provided in the hollow part of the top cover. A plurality of protective posts are arranged at intervals around the breathable membrane.

[0008] The outer ring extends downward to form a guide ring, and a plurality of exhaust grooves are provided on the side of the outer ring, the exhaust grooves being arranged opposite to the protective post;

[0009] The lower cover includes a bottom cover, a support base is provided on the bottom cover, the protective post is snapped onto the support base, the side of the support base is provided with a guide surface for cooperating with the guide ring, and the guide ring of the upper sleeve is sleeved on the guide surface of the lower cover.

[0010] The upper sleeve is fitted onto the guide surface of the lower cover via a guide ring, thus connecting the upper sleeve and the lower cover. Gas enters the upper sleeve through the exhaust groove. Because the protective columns are spaced apart on the periphery of the breathable membrane, the gas enters the breathable membrane through the gaps between the protective columns and is discharged into the atmosphere from the breathable membrane.

[0011] If liquid splashes into the venting tank, the venting tank and the protective column are positioned opposite each other, and the protective column and the support base form a relatively closed environment, preventing the splashed liquid from directly splashing into the breathable membrane. This protects the breathable membrane and prevents liquid from overflowing.

[0012] The aforementioned ventilated components ensure smooth gas flow by creating interconnected gas channels between the exhaust channel and the protective column, preventing gas blockage that could affect the lifespan of the ventilated membrane. Furthermore, the protective column acts as a barrier against splashed liquid; liquid splashed into the exhaust channel cannot directly enter the ventilated membrane due to the protective column's obstruction, thus preventing liquid from covering the membrane and reducing its functionality.

[0013] In a preferred embodiment, the guide ring is interference-fitted with the guide surface.

[0014] By using an interference fit between the guide ring and the guide surface, the connection between the upper sleeve ring and the lower sleeve cover is made more secure.

[0015] In a preferred embodiment, the inner diameter of the guide ring is equal to that of the outer ring, and the outer diameter of the guide ring is smaller than that of the outer ring.

[0016] The inner diameter of the guide ring is equal to the inner diameter of the outer ring, and the outer diameter of the guide ring is smaller than that of the outer ring. By placing the guide ring near the center, the function of the guide ring is not affected, and materials are saved because the size of the guide ring is smaller than that of the outer ring.

[0017] In a preferred embodiment, the lower cover further includes a support ring, which is located in the circumferential direction of the bottom cover. A snap-fit ​​groove is formed between the guide surface and the support ring, and the guide ring is snapped into the snap-fit ​​groove. The outer ring abuts against the support ring.

[0018] A support ring is provided on the lower cover, and a snap-fit ​​groove is formed between the support ring and the guide surface. When the guide ring is connected to the guide surface, the guide ring is snapped into the snap-fit ​​groove. Due to the limiting effect of the snap-fit ​​groove, the connection between the upper ring and the lower cover is more secure.

[0019] In a preferred embodiment, the outer contact end of the guide ring and the outer ring extends inward to form a groove, and the support ring is provided with an annular protrusion that cooperates with the groove.

[0020] The outer contact end of the guide ring and the outer ring extends inward to form a groove, and an annular protrusion is provided inside the support ring. After the guide ring is inserted into the snap-fit ​​groove, the annular protrusion located inside the support ring snaps into the groove, further increasing the firmness of the connection between the upper sleeve ring and the lower sleeve cover.

[0021] In a preferred embodiment, the exhaust groove extends toward the guide ring.

[0022] Extend the exhaust groove further towards the guide ring so that after the upper sleeve ring is connected to the lower sleeve cover, the bottom of the exhaust groove is flush with or even lower than the top of the support base, making air intake and liquid drainage through the exhaust groove smoother.

[0023] In a preferred embodiment, the support base is provided with a water receiving platform at a position relative to the breathable membrane.

[0024] The gas entering the breathable membrane condenses and produces droplets. These droplets are collected by the water receiving platform and then discharged to prevent liquid accumulation on the bottom cover, which would affect the normal use of the breathable membrane.

[0025] In a preferred embodiment, the water receiving platform has a planar structure.

[0026] The water receiving platform is a planar structure used to collect condensed droplets on the breathable membrane and discharge them to the lower cover.

[0027] In a preferred embodiment, the water receiving platform has a raised structure.

[0028] The water receiving platform has a raised structure, which makes it a sloping structure with a high middle and low sides. When the liquid condensed from the breathable membrane enters the water receiving platform, the liquid slides from the sloping structure to the bottom, keeping the liquid at a greater distance from the breathable membrane. This reduces the risk of liquid splashing back into the breathable membrane and effectively protects the breathable membrane.

[0029] In a preferred embodiment, the protruding structure is conical or mountain-shaped.

[0030] The water receiving platform can be set in the shape of a cone or a mountain peak. Of course, the shape of the water receiving platform is not limited to these. Any similar structure that achieves a high middle and low ends can be used in this application.

[0031] In a preferred embodiment, a connecting ring is provided at the top of the upper collar.

[0032] When using a ventilated component, it needs to be installed or fixedly connected to the application environment. For example, when used with a liquid storage container, the ventilated component can be directly bonded to the lid, or a connecting ring can be set on the ventilated component and a lid connecting ring can be set at the bottom of the lid. The connecting ring of the ventilated component and the lid connecting ring can be riveted (interference fit) or threaded.

[0033] In a second aspect, this utility model provides a bottle cap, comprising a cap body having vent holes and the aforementioned venting component, wherein the venting membrane of the venting component is in communication with the vent holes on the cap body.

[0034] In a preferred embodiment, a cover connecting ring is provided at the bottom of the cover, and a connecting ring is provided at the top of the upper sleeve of the ventilating component, and the cover connecting ring is connected to the connecting ring of the ventilating component.

[0035] The aforementioned venting component can be used in conjunction with the cap to form a new type of bottle cap. Connecting the cap's connecting ring to the venting component's connecting ring completes the connection between the cap and the venting component. The connection method is unrestricted; conventional methods include interference fit or threaded connection.

[0036] A third aspect of this utility model provides a container, including a container body with an exhaust hole, and the aforementioned ventilating component, wherein the ventilating membrane of the ventilating component is in communication with the exhaust hole of the container body.

[0037] The container here can be a container for storing liquids, or other containers such as the cover of a car headlight. Installing the venting component inside the container, aligning the vent membrane of the venting component with the vent hole of the container body, allows for the timely discharge of gas from the container body.

[0038] A fourth aspect of this utility model provides a liquid storage container, including a container body and the aforementioned bottle cap, wherein the bottle cap is disposed on the container body.

[0039] The above-mentioned breathable components are assembled with the cap to form a bottle cap. The bottle cap is placed on the container body and can be used as a liquid storage container. When storing liquid, the liquid storage container can ensure the breathability effect and avoid liquid splashing out of the container, which would lead to waste and potential safety risks.

[0040] Compared with the prior art, the present invention has the following beneficial effects:

[0041] (1) The breathable component of this utility model has an exhaust groove on the side of the upper collar and protective columns are arranged at intervals around the outer side of the breathable membrane. Gas enters the gap between the protective columns through the exhaust groove and then is discharged into the atmosphere through the breathable membrane. The exhaust channel formed by the exhaust groove and the protective columns will not obstruct normal exhaust. In addition, because the exhaust groove and the protective columns are arranged opposite to each other, the liquid entering the exhaust groove will not splash directly into the breathable membrane due to the obstruction of the protective columns, thus protecting the breathable membrane.

[0042] (2) The breathable component of this utility model has an exhaust groove on the side of the upper collar, which is different from the traditional design where the exhaust groove is set at the bottom. This makes the exhaust groove and the breathable membrane misaligned, effectively protecting the breathable membrane and providing a new idea for the design of the breathable component.

[0043] (3) The breathable component of this utility model has the effects of blocking liquid, relieving pressure and venting air, extending the service life of traditional breathable components, and has broad promotion value.

[0044] The following will further explain the concept, specific structure and technical effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description

[0045] Figure 1 This is a three-dimensional structural diagram of a liquid corrosion resistant bottle cap in the existing technology;

[0046] Figure 2 This is a schematic diagram of the combined structure of the inner ring and outer seat of a liquid corrosion resistant bottle cap in the prior art;

[0047] Figure 3 This is a schematic diagram of the structure of the breathable component of this utility model;

[0048] Figure 4 This is a schematic diagram of the upper collar structure in the breathable component of this utility model;

[0049] Figure 5 This is a schematic diagram of the structure of the lower cover in the breathable component of this utility model;

[0050] Figure 6 This is a cross-sectional schematic diagram of the breathable component of this utility model;

[0051] Figure 7 This is a schematic diagram of the structure of the bottle cap of this utility model;

[0052] Figure 8 This is a schematic diagram of the structure of the liquid storage container of this utility model.

[0053] Among them: 1-venting ring, 2-venting ring connecting ring, 3-waterproof and breathable membrane, 4-stripping, 5-convex ring, 6-net frame, 7-outer sleeve seat, 8-drain hole, 9-upper sleeve ring, 10-lower sleeve cover, 11-outer ring, 12-top cover, 13-breathable membrane, 14-protective column, 15-water receiving platform, 16-guide ring, 17-venting groove, 19-support seat, 20-guide surface, 21-support ring, 22-snap groove, 23-groove, 24-annular protrusion, 25-connecting ring, 26-cover body, 27-container body. Detailed Implementation

[0054] To make the technical means, inventive features, objectives, and effects of this utility model readily understandable, the present utility model is further described below in conjunction with specific illustrations. However, this utility model is not limited to the embodiments described below.

[0055] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0056] When liquids are stored in sealed containers, changes in ambient temperature or air pressure can cause the liquid to vaporize and the dissolved gases to evaporate. It is necessary to release the gases from the containers in a timely manner; otherwise, if the gases accumulate to a certain extent, there is a risk of the containers bursting.

[0057] Authorization notice number CN212314376U discloses a liquid corrosion resistant bottle cap, such as Figure 1 , 2 As shown, the anti-corrosion bottle cap includes an inner ring and an outer seat 7. The inner ring is detachably fixed to the outer seat 7. The inner ring includes a vent ring 1, a vent ring connecting ring 2, a waterproof and breathable membrane 3, and a retaining strip 4. A mesh frame 6 is integrally provided on the inner side of the junction of the vent ring 1 and the vent ring connecting ring. The waterproof and breathable membrane 3 is attached to the lower side of the mesh frame 6 and covers the holes of the mesh frame 6. Multiple drainage holes 8 are provided circumferentially at intervals on the bottom of the outer seat 7. The anti-corrosion bottle cap is placed on the liquid storage container. When the liquid storage container is transported, the gas generated in the liquid storage container enters the interior of the outer seat 7 through the drainage holes 8 on the outer seat 7, then passes through the waterproof and breathable membrane 3 into the inner ring, and is then discharged outside the liquid storage container.

[0058] The aforementioned liquid corrosion resistant bottle caps are widely used in the market. However, after a period of use, the breathability of these caps decreases, rendering them unusable and requiring replacement. Frequent replacement of these caps increases usage costs and causes inconvenience to users.

[0059] The inventors of this application, through repeated research on the anti-corrosion bottle cap, discovered that the change in the relative position of the retaining strip 4 and the drain hole 8 during installation or use is a key factor affecting its ventilation function. The retaining strip 4 of the aforementioned anti-corrosion bottle cap is located on the outside of the inner ring, and the drain hole 8 is located at the bottom circumferential position of the outer sleeve 7. Ideally, the retaining strip 4 and the drain hole 8 are completely offset, ensuring normal drainage and ventilation of the drain hole 8. However, during installation or use, the retaining strip 4 may partially cover the drain hole 8, resulting in obstruction of air and liquid drainage.

[0060] In addition, liquid splashing from the storage container and covering the breathable membrane is another key factor affecting its breathability. The inner ring is a hollow cavity. After the inner ring is connected to the outer seat 7, the drain hole 8 on the outer seat 7 and the waterproof breathable membrane 3 on the inner ring are in a continuous state with no obstruction between them. When liquid in the storage container splashes out through the drain hole 8, it will splash into the breathable membrane that is directly opposite the drain hole 8. The liquid covers the breathable membrane, further reducing its function.

[0061] To solve the aforementioned technical problems, the inventors of this application have broken with conventional design, providing an exhaust groove 17 on the side of the upper collar 9, and protective posts 14 at opposite positions on the inner side of the exhaust groove 17. This prevents liquid splashed into the exhaust groove 17 from further entering the breathable membrane 13 due to the obstruction of the protective posts 14, thus avoiding a decrease in the function of the breathable membrane 13 due to liquid adhesion and protecting the breathable membrane 13. In addition, the protective posts 14 are spaced apart, with gaps between them. Gas entering through the exhaust groove 17 passes through the gaps into the breathable membrane 13 and is discharged into the external environment, ensuring smooth exhaust.

[0062] In a first aspect, this utility model provides a breathable component, including an upper collar 9 and a lower cover 10. The upper collar 9 and the lower cover 10 are made of rigid plastic, and can be any one of ABS, PE, PP, or PVC; of course, stainless steel, glass, or other metal or non-metal materials can also be selected as needed.

[0063] The upper ring 9 includes an outer ring 11 and a top cover 12 located on top of the outer ring 11. The top cover 12 is hollow, and a breathable membrane 13 is disposed in the hollow part of the top cover 12. The breathable membrane 13 can be directly disposed in the hollow part of the top cover 12, or a support frame can be disposed in the hollow part of the top cover 12, and the breathable membrane 13 can be adhered to the support frame. The support frame can be cross-shaped, porous, or other structures. The breathable membrane 13 can be adhered to the support frame by heat fusion, or other methods can be used, which can be flexibly selected according to needs. The breathable membrane 13 is made of expanded polytetrafluoroethylene (PTFE). Using this material, gas can pass through the breathable membrane 13 for inlet and outlet, while dust and other impurities from the external environment cannot enter, ensuring breathability without contaminating the liquid in the storage container.

[0064] A plurality of protective posts 14 are spaced apart around the breathable membrane 13. "Spaced apart" means that the protective posts 14 are not continuous, with gaps between them. The size of these gaps can be flexibly adjusted according to the number of protective posts 14. "Around" means that they are arranged around the perimeter of the breathable membrane. A plurality of protective posts 14 can be arranged on the same circle around the breathable membrane 13, or on multiple concentric circles around the breathable membrane 13. Of course, the arrangement of the protective posts 14 is not limited to these methods and can be selected according to actual needs.

[0065] The outer ring 11 extends downward to form a guide ring 16. Here, the inner and outer diameters of the guide ring 16 can be exactly the same as the inner and outer diameters of the outer ring 11, that is, the outer ring 11 is stretched downward as a whole; the outer diameter of the guide ring 16 can also be different from the outer diameter of the outer ring 11. In this case, the inner diameter of the guide ring 16 is equal to the inner diameter of the outer ring 11, and the outer diameter of the guide ring 16 is smaller than the outer diameter of the outer ring 11. That is, the guide ring 16 is set near the center, which does not affect the function of the guide ring 16. Since the size of the guide ring 16 is smaller than the size of the outer ring 11, material is saved.

[0066] A plurality of venting grooves 17 are provided on the side of the outer ring 11, and the venting grooves 17 are positioned opposite to the protective pillars 14. "Opposite" means that the protective pillars 14 are positioned in the direction of the venting grooves 17 closer to the breathable membrane 13, thus preventing liquid entering the venting grooves 17 from flowing further towards the breathable membrane 13. The protective pillars 14 can be directly opposite the venting grooves 17 or not directly opposite. When not directly opposite, the protective pillars 14 still block liquid splashed into the venting grooves 17, and do not affect the normal use of the breathable component in this application. The venting grooves 17 are located on the side of the outer ring 11. After long-term use of the breathable membrane 13, gas may condense into liquid and drip into the lower cover 10. To avoid liquid accumulation, the venting grooves 17 are designed to extend towards the guide ring 16, so that the bottom of the venting grooves 17 is flush with or even lower than the top of the support base 19, thereby facilitating smoother air intake and liquid drainage through the venting grooves 17.

[0067] The lower cover 10 includes a bottom cover, on which a support base 19 is provided, and a protective post 14 is engaged with the support base 19. At this time, the lower end face of the protective post 14 is located on the support base 19, and the two end faces abut against each other; of course, the protective post 14 and the support base 19 can also be connected by mortise and tenon joints, so that the protective post 14 and the support base 19 form a relatively closed system after contact.

[0068] When the upper collar 9 is fitted onto the lower cover 10, the protective post 14 and the support seat 19 engage, so that the protective post 14 and the support seat 19 provide a relatively closed environment, which protects the breathable membrane located in the closed environment.

[0069] The side of the support base 19 is provided with a guide surface 20 for use with the guide ring 16. The guide ring 16 of the upper sleeve 9 is sleeved on the guide surface 20 of the lower sleeve cover 10. The guide ring 16 and the guide surface 20 are installed by an interference fit.

[0070] The lower cover 10 also includes a support ring 21, which is located circumferentially around the bottom cover. A snap-fit ​​groove 22 is formed between the guide surface 20 and the support ring 21, and the guide ring 16 is snapped into the snap-fit ​​groove 22. The outer ring 11 abuts against the support ring 21. The snap-fit ​​groove 22 between the support ring 21 and the guide surface 20 ensures that when the guide ring 16 is connected to the guide surface 20, the guide ring 16 is snapped into the snap-fit ​​groove 22. Due to the limiting effect of the snap-fit ​​groove 22, the connection between the upper sleeve 9 and the lower cover 10 is more secure.

[0071] To further enhance the connection's strength, the outer contact end of the guide ring 16 and the outer ring 11 extends inward to form a groove 23, and the support ring 21 has an annular protrusion 24 that engages with the groove 23. After the guide ring 16 is inserted into the snap-fit ​​groove 22, the annular protrusion 24 located in the support ring 21 engages with the groove 23.

[0072] A water-receiving platform 15 is positioned relative to the breathable membrane on the support base 19. The water-receiving platform 15 can be a planar structure or a raised structure with a higher center and lower sides, such as a conical or mountain-shaped structure. By making the water-receiving platform 15 a raised structure, when the liquid condensed from the breathable membrane enters the water-receiving platform 15, the liquid slides from the slope structure to the bottom, keeping the liquid a greater distance from the breathable membrane. This reduces the risk of liquid re-splashing into the breathable membrane and effectively protects the breathable membrane.

[0073] A connecting ring 25 is provided at the top of the upper collar 9. The connecting ring 25 is used to connect with other components during use. For example, when connecting with a bottle cap, a cap connecting ring is provided at the bottom of the cap body. The connecting ring 25 of the venting component and the cap connecting ring are fixed by riveting or threaded connection to meet the needs of specific use scenarios.

[0074] In a second aspect, this utility model provides a bottle cap, comprising a cap body having vent holes and the aforementioned venting component, wherein the venting membrane of the venting component is in communication with the vent holes on the cap body.

[0075] The "through connection" here refers to the interconnection between the breathable membrane and the breathable holes, allowing gas passing through the membrane to escape through the holes. The breathable component is combined with the cap to form a new type of bottle cap. The upper ring of the breathable component can be directly bonded to the cap, or it can be connected in other ways. For example, a connecting ring 25 can be provided at the top of the upper ring 9 of the breathable component, and a cap connecting ring can be provided at the bottom of the cap. The cap connecting ring and the connecting ring 25 of the breathable component are connected by an interference fit or a thread, depending on the specific situation.

[0076] A third aspect of this utility model provides a container, including a container body with an exhaust port, and the aforementioned venting component, wherein the venting membrane of the venting component is in communication with the exhaust port of the container body.

[0077] A fourth aspect of this utility model provides a liquid storage container, including a container body and the aforementioned bottle cap, the bottle cap being disposed on the container body.

[0078] Example 1

[0079] like Figure 3 A breathable component includes an upper collar 9 and a lower cover 10, wherein the upper collar 9 is sleeved on the lower cover 10.

[0080] like Figure 4The upper ring 9 includes an outer ring 11 and a top cover 12 located at the top of the outer ring 11. The top cover 12 is hollow, and a breathable membrane 13 is provided in the hollow part of the top cover 12. A plurality of protective posts 14 are arranged at intervals around the breathable membrane 13. The number of protective posts 14 can be odd or even. In this embodiment, there are 4 protective posts 14. A connecting ring 25 is provided at the top of the upper ring 9. The connecting ring 25 is located at the opposite position of the breathable membrane 13. The connecting ring 25 is used to connect with an external solid carrier, such as a cover, to meet the needs of specific usage scenarios.

[0081] The outer ring 11 extends downward to form a guide ring 16. A plurality of vent grooves 17 are provided on the side of the outer ring 11, with the vent grooves 17 positioned opposite the protective posts 14. The number of vent grooves 17 can be equal to or less than the number of protective posts 14, ensuring that each vent groove 17 has a corresponding protective post 14. The vent grooves 17 extend towards the guide ring 16, so that the bottom of the vent groove 17 is flush with or even lower than the top of the support base 19, facilitating smoother air intake and drainage through the vent grooves 17.

[0082] There are two ways to set the guide ring 16:

[0083] The first method involves stretching the outer ring 11 downwards as a whole, so that the inner and outer diameters of the guide ring 16 are exactly the same as those of the outer ring 11.

[0084] The second method involves stretching the portion of the outer ring 11 near the center downwards, meaning that the inner diameter of the guide ring 16 is the same as that of the outer ring 11, while the outer diameter is smaller than that of the outer ring 11.

[0085] When the first method is used, the guide ring 16 and the guide surface 20 on the lower sleeve cover 10 are usually connected by an interference fit. This embodiment uses the second method, and a groove 23 is formed by extending inward from the outer contact end of the guide ring 16 and the outer ring 11, in preparation for multiple fixation between the upper sleeve 9 and the lower sleeve cover 10.

[0086] like Figure 5 The lower cover 10 includes a bottom cover with a support base 19 on it. A protective post 14 is secured to the support base 19. The side of the support base 19 has a guide surface 20 that cooperates with a guide ring 16. The guide ring 16 of the upper sleeve 9 is fitted onto the guide surface 20 of the lower cover 10. The lower cover 10 also includes a support ring 21 located in the circumferential direction of the bottom cover. A snap-fit ​​groove 22 is formed between the guide surface 20 and the support ring 21. The guide ring 16 is secured in the snap-fit ​​groove 22. The support ring 21 has an annular protrusion 24 that cooperates with a groove 23.

[0087] A water receiving platform 15 is positioned relative to the breathable membrane on the support base 19. To facilitate the outflow of water droplets, the water receiving platform 15 is typically designed as a planar structure or a raised structure. The raised structure, with its sloping shape (higher in the middle and lower on both sides), allows for smoother drainage. In this embodiment, a raised structure is used as the water receiving platform 15. This raised structure is either conical or mountain-shaped.

[0088] The upper sleeve 9 is fitted onto the guide surface 20 of the lower cover via the guide ring 16. The bottom end of the guide ring 16 is engaged in the engagement groove 22. At the same time, the annular protrusion 24 on the support ring 21 is inserted into the groove 23. Through multiple fixation, the connection between the upper sleeve 9 and the lower cover 10 is very firm, avoiding the risk of falling off.

[0089] Example 2

[0090] A type of bottle cap, such as Figure 7 It includes a cover 26 with vent holes, a cover connecting ring disposed at the bottom of the cover 26, and the aforementioned venting component, wherein the cover connecting ring is connected to the connecting ring 25 of the venting component.

[0091] Example 3

[0092] A liquid storage container, such as Figure 8 It includes the container body 27 and the aforementioned bottle cap, with the bottle cap placed on the container body 27.

[0093] Work process:

[0094] During transportation or storage, the liquid in the storage container may splash due to external forces. When the liquid splashes into the venting tank 17, it cannot enter the space where the venting membrane is located due to the blocking effect of the protective column 14, thus avoiding the risk of liquid adhering to the venting membrane and causing a decrease in its function.

[0095] After the liquid in the storage container vaporizes, the gas passes through the exhaust channel 17, enters the gap between the two protective columns 14, and is discharged into the atmosphere through the breathable membrane, thus achieving the effect of pressure relief.

[0096] After long-term use, liquid condensation will occur in the breathable membrane 13. The liquid droplets will fall into the water receiving platform 15 and be discharged through the exhaust channel 17, and then re-enter the liquid storage container.

[0097] The liquid storage container in this application has excellent pressure relief and venting functions, while also preventing liquid from splashing into the permeable membrane and reducing the risk of its service life. In addition, liquid generated by condensation in the permeable membrane 13 after long-term use can also be discharged in a timely manner through the venting groove 17, avoiding liquid accumulation.

[0098] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A breathable component, characterized in that, Includes the upper collar and the lower cap. The upper ring includes an outer ring and a top cover located at the top of the outer ring. The top cover is hollow, and a breathable membrane is provided in the hollow part of the top cover. A plurality of protective posts are arranged at intervals around the breathable membrane. The outer ring extends downward to form a guide ring, and a plurality of exhaust grooves are provided on the side of the outer ring, the exhaust grooves being arranged opposite to the protective post; The lower cover includes a bottom cover, a support base is provided on the bottom cover, the protective post is snapped onto the support base, the side of the support base is provided with a guide surface for cooperating with the guide ring, and the guide ring of the upper sleeve is sleeved on the guide surface of the lower cover.

2. The breathable component according to claim 1, characterized in that, The guide ring is interference-fitted with the guide surface.

3. The breathable component according to claim 1, characterized in that, The inner diameter of the guide ring is equal to that of the outer ring, and the outer diameter of the guide ring is smaller than that of the outer ring.

4. The breathable component according to claim 3, characterized in that, The lower cover also includes a support ring, which is located in the circumferential direction of the bottom cover. A snap-fit ​​groove is formed between the guide surface and the support ring, and the guide ring is snapped into the snap-fit ​​groove. The outer ring abuts against the support ring.

5. The breathable component according to claim 4, characterized in that, The guide ring and the outer side of the outer ring extend inward to form a groove, and the support ring is provided with an annular protrusion that cooperates with the groove.

6. The breathable component according to claim 4, characterized in that, The exhaust groove extends toward the guide ring.

7. The breathable component according to claim 1, characterized in that, The support base is positioned relative to the breathable membrane to form a water receiving platform.

8. The breathable component according to claim 7, characterized in that, The water receiving platform has a planar structure.

9. The breathable component according to claim 7, characterized in that, The water receiving platform has a raised structure.

10. The breathable component according to claim 9, characterized in that, The protruding structure is conical.

11. The breathable component according to claim 1, characterized in that, A connecting ring is provided at the top of the upper collar.

12. A bottle cap, comprising a cap body having vent holes, characterized in that, It also includes the breathable component according to any one of claims 1-11, wherein the breathable membrane of the breathable component is in communication with the breathable holes on the cover.

13. The bottle cap according to claim 12, characterized in that, The bottom of the cover is provided with a cover connecting ring, and the top of the ventilating component is provided with a connecting ring, and the cover connecting ring is connected to the connecting ring of the ventilating component.

14. A breathable container, comprising a container body having vent holes, characterized in that, It also includes the breathable component according to any one of claims 1-11, wherein the breathable membrane of the breathable component is in communication with the exhaust port of the container body.

15. A liquid storage container, comprising a container body, characterized in that, It also includes the bottle cap as described in claim 12 or 13, the bottle cap being disposed on the container body.

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