Cup cover

Abstract

A cup cover comprises a cover body, the top end of the cover body is detachably connected with a plugging piece in a clamped mode; a concave area is arranged in the middle of the top end of the cover body, a first air hole is formed in the concave area, an arc-shaped concave part is arranged on one side edge of the concave area, and a positioning cylinder is arranged on the cover body on the outer side of the arc-shaped concave part; a mouth drinking opening and a tube inserting opening are symmetrically formed in the periphery of the cover body, and a clamping groove is formed in the position, corresponding to the clamping position, of the inner side of the cover body; the plugging piece comprises a first plugging convex part which is arranged at the position, corresponding to the intubation tube opening, of the plugging piece and used for plugging the intubation tube opening; the first plugging convex part and the second plugging convex part are respectively in interference fit with the tube inserting opening and the mouth drinking opening, and the food-grade silica gel sealing ring is embedded in the sealing ring groove at the tail end, so that double sealing guarantee is formed, liquid leakage can be effectively prevented, and even if a container is inclined and inverted, safe storage of the liquid can be ensured; the liquid packaging bag is suitable for various liquid packaging scenes with high sealing performance requirements.

Description

A type of cup lid Technical Field

[0001] This utility model relates to a cup lid, specifically a type of cup lid. Background Technology

[0002] In daily life and industrial production, cup lids, as key components for sealing and opening containers, are widely used in various packaging fields such as beverages, food, and pharmaceuticals. However, existing cup lids still have many shortcomings in actual use and cannot fully meet diverse market demands.

[0003] In terms of sealing performance, traditional cup lids mostly use simple plug-in or threaded connections. When faced with bumps, compression, or container tilting or inversion during transportation, the sealing effect is poor, and liquid leakage is prone to occur. In particular, cup lids with drinking spouts and straw spouts are more difficult to seal due to the multiple openings, and the liquid leakage problem is more prominent. This not only causes product waste but may also contaminate other items and even lead to consumer complaints.

[0004] Regarding ventilation, some containers that require ventilation have poorly designed ventilator structures in their lids. Either the vents are too large, making the liquid inside easily contaminated by external dust and bacteria, affecting product quality and safety; or the ventilation is inadequate, failing to effectively balance the air pressure inside and outside the container. When the air pressure inside the container increases due to temperature changes, shaking, or other factors, the lid may be forced open or the liquid may spray out, posing a danger. Conversely, when negative pressure forms inside the container, the liquid becomes difficult to pour out or drink, causing significant inconvenience to the user. Summary of the Invention

[0005] In view of the above situation and to overcome the defects of the prior art, this utility model provides a cup lid that effectively solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: This utility model includes:

[0007] The cover has a detachable sealing component attached to its top.

[0008] The top center of the cover has a concave area, a first vent hole is provided in the concave area, one side of the concave area has an arc-shaped recess, and a positioning cylinder is provided on the cover outside the arc-shaped recess.

[0009] The lid is symmetrically provided with a drinking spout and a tube insertion spout around its periphery, and a snap-fit ​​groove is provided on the inner side of the lid at the corresponding snap-fit ​​position.

[0010] The sealing component includes:

[0011] The first sealing protrusion is located at the position of the sealing component corresponding to the insertion port, and is used to insert and seal the insertion port;

[0012] The second sealing protrusion is located at the position of the sealing member corresponding to the mouth opening, and is used to insert and seal the mouth opening;

[0013] The convex area is located in the middle of the sealing component and forms a detachable snap-fit ​​engagement with the concave area of ​​the cover.

[0014] An arc-shaped protrusion is positioned at the position corresponding to the arc-shaped concave part in the convex area, forming an air-permeable gap between the two;

[0015] The second vent is located on the convex area and is staggered from the first vent.

[0016] The positioning post is located at the bottom of the sealing component and forms an insertion positioning fit with the positioning cylinder.

[0017] Preferably, the sealing member has snap-fit ​​tabs at both ends, with protrusions extending vertically from the outer side of the snap-fit ​​tabs, and the snap-fit ​​tabs and the snap-fit ​​grooves on the inner side of the cover body form an elastic snap-fit ​​structure.

[0018] Preferably, both the first and second vent holes are elliptical through holes, and when the sealing component is in the closed state, the central axes of the two vent holes form an angle of 15-45°.

[0019] Preferably, the ends of the first sealing protrusion and the second sealing protrusion are provided with sealing ring grooves, and food-grade silicone sealing rings are embedded in the sealing ring grooves.

[0020] Preferably, the inner side of the cover body is provided with radially distributed reinforcing ribs corresponding to the snap-fit ​​groove, and the thickness of the reinforcing ribs is 1.2-1.5 times the thickness of the cover body wall.

[0021] Preferably, the second sealing protrusion adopts a conical structure and is interference-fitted with the mouthpiece, and the first sealing protrusion adopts a frustum-shaped structure and is interference-fitted with the insertion port.

[0022] Beneficial effects: Excellent sealing performance: The first and second sealing protrusions are interference-fitted with the insertion port and the drinking port, respectively, and the end sealing ring groove is embedded with a food-grade silicone sealing ring, forming a double sealing guarantee, which can effectively prevent liquid leakage. Even if the container is tilted or inverted, it can ensure the safe storage of liquid. It is suitable for various liquid packaging scenarios with high sealing requirements.

[0023] Intelligent ventilation design: The first and second ventilation holes are staggered, and when the sealing part is closed, the central axes of the two holes form an angle of 15-45°. Combined with the ventilation gap formed by the arc-shaped protrusion and the arc-shaped concave part, precise ventilation is achieved while ensuring sealing. It can balance the air pressure inside and outside the container, avoid liquid spraying or difficulty in pouring due to air pressure changes, and prevent dust and impurities from entering the container, thus maintaining the quality of the liquid.

[0024] Convenient user experience: The symmetrically arranged drinking spout and straw inlet around the perimeter of the lid fully consider the drinking habits of different users. Users can flexibly choose to drink directly or use a straw according to their own needs. At the same time, the elastic snap-fit ​​structure between the sealing component and the lid makes operation simple, and installation and disassembly are easy and convenient, which can be completed with one hand, greatly improving the convenience of use.

[0025] Enhanced structural strength: The inner side of the lid is provided with radially distributed reinforcing ribs corresponding to the snap-fit ​​groove. The thickness of these ribs is 1.2-1.5 times the thickness of the lid wall, which effectively enhances the overall structural strength of the lid. It is not easily deformed or damaged when subjected to external pressure or collision, thus extending the service life of the lid, reducing usage costs, and providing more reliable protection for the liquid inside the container. Attached Figure Description

[0026] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0027] Figure 1 is a schematic diagram of the overall three-dimensional structure of this utility model;

[0028] Figure 2 is a schematic diagram of the exploded structure of this utility model;

[0029] Figure 3 is a schematic diagram of the structure of this utility model from a second explosion perspective;

[0030] Figure 4 is a cross-sectional view of this utility model;

[0031] The following are the labeling elements in the diagram: 1. Cover; 101. Reinforcing rib; 102. Concave area; 103. First vent hole; 104. Arc-shaped recess; 105. Positioning cylinder; 106. Mouth opening; 107. Insertion port; 108. Snap-fit ​​groove; 2. Sealing component; 201. First sealing protrusion; 202. Second sealing protrusion; 203. Snap-fit ​​piece; 204. Eaves; 205. Convex area; 206. Arc-shaped protrusion; 207. Second vent hole; 208. Positioning post. Detailed Implementation

[0032] The specific embodiments of this utility model will be further described in detail below with reference to Figures 1-4.

[0033] As illustrated in Figures 1-4, this utility model provides a cup lid, comprising:

[0034] Cover 1: A concave area 102 is provided in the middle of the top, and a first vent 103 is opened in this area. An arc-shaped recess 104 is provided on one side of the concave area 102, and a positioning cylinder 105 is installed on the cover 1 outside the arc-shaped recess 104.

[0035] Peripheral components: The lid 1 has a drinking spout 106 and a straw inlet 107 symmetrically distributed around its periphery, allowing users to drink directly or through a straw. A snap-fit ​​groove 108 is provided on the inner side of the lid 1 at the corresponding snap-fit ​​position.

[0036] Reinforced structure: The inner side of the cover 1 is provided with radially distributed reinforcing ribs 101 corresponding to the snap-fit ​​groove 108. The thickness of the reinforcing ribs 101 is 1.2-1.5 times the thickness of the cover wall, which greatly enhances the structural strength of the cover and improves its service life.

[0037] Sealing component 2: Sealing component 2 is die-cast from food-grade plastic. A first sealing protrusion 201 is provided at the position corresponding to the insertion port 107 for tightly sealing the insertion port 107; a second sealing protrusion 202 is provided at the position corresponding to the drinking port 106 for sealing the drinking port 106. The first sealing protrusion 201 has a frustum-shaped structure, and the second sealing protrusion 202 has a near-conical structure. Both are press-fitted with the insertion port 107 and the drinking port 106 respectively to ensure a good sealing effect. Simultaneously, their ends are provided with sealing ring grooves, embedding food-grade silicone sealing rings to further improve the reliability and safety of the seal.

[0038] Connection structure: There are snap-fit ​​pieces 203 at both ends. The snap-fit ​​pieces 203 have a protruding edge 204 extending vertically on the outer side. The snap-fit ​​pieces 203 and the snap-fit ​​groove 108 on the inner side of the cover 1 form an elastic snap-fit ​​structure, which facilitates installation and disassembly.

[0039] Ventilation Structure: A convex region 205 is provided in the middle, which forms a detachable snap-fit ​​engagement with the concave region 102 of the cover body 1. An arc-shaped protrusion 206 is provided at the position corresponding to the arc-shaped recess 104 in the convex region 205, forming a ventilation gap between the two. A second ventilation hole 207 is also provided on the convex region 205, which is staggered with the first ventilation hole 103. When the sealing member 2 is in the closed state, the central axes of the two elliptical through holes, the first ventilation hole 103 and the second ventilation hole 207, form an angle of 15-45°, effectively preventing liquid leakage while ensuring good ventilation performance.

[0040] Positioning structure: The bottom end of the sealing component 2 is provided with a positioning post 208, which forms an insertion positioning fit with the positioning cylinder 105 to ensure accurate positioning during installation.

[0041] Working principle: In the sealed state, the first sealing protrusion 201 on the sealing component 2 has a truncated cone structure that fits tightly with the insertion port 107, and the second sealing protrusion 202 has a cone-shaped structure that fits tightly with the drinking spout 106. The food-grade silicone sealing rings embedded in the sealing ring grooves at the ends of both components further fill the gaps, effectively preventing liquid leakage from the insertion port and the drinking spout. At the same time, the snap-fit ​​pieces 203 at both ends of the sealing component 2 use elastic deformation to fit tightly with the snap-fit ​​grooves 108 on the inner side of the cover 1, and the eaves 204 serve as an auxiliary fixing and force-bearing fulcrum to ensure the stable installation of the sealing component.

[0042] The positioning post 208 is inserted into the positioning cylinder 105 to provide precise positioning for the sealing component 2, preventing installation misalignment from affecting the sealing effect. At this time, the convex area 205 in the middle of the sealing component 2 interlocks with the concave area 102 of the cover body 1, and a venting gap is formed between the arc-shaped protrusion 206 and the arc-shaped recess 104. The first vent 103 and the second vent 207, which are staggered and have their central axes at an angle of 15-45°, not only limit the amount of gas exchange but also balance the air pressure inside and outside the container, preventing the internal liquid from rapidly cooling down. When the air pressure inside the container increases due to liquid sloshing or temperature changes, the gas can be slowly discharged through the vents and venting gaps to prevent excessive internal pressure from opening the lid; conversely, a small amount of external air can also enter, preventing negative pressure from forming inside the container, which would make it difficult to pour out or drink the liquid.

[0043] When it is necessary to open the cup lid, apply force to the protrusions 204 at both ends of the sealing member 2 with your fingers and pry them outwards. This will cause the locking piece 203 to overcome the elastic resistance and separate from the locking groove 108, thereby releasing the locking state between the sealing member 2 and the lid 1. Then, the first sealing protrusion 201 and the second sealing protrusion 202 can be pulled out from the insertion port 107 and the drinking port 106. The user can then choose to drink directly from the drinking port 106 or insert a straw into the insertion port 107 to drink, depending on their needs.

[0044] Beneficial effects: Excellent sealing performance: The first sealing protrusion 201 and the second sealing protrusion 202 are respectively interference-fitted with the insertion port 107 and the drinking port 106, and the end sealing ring groove is embedded with a food-grade silicone sealing ring, forming a double sealing guarantee, which can effectively prevent liquid leakage. Even if the container is tilted or inverted, it can ensure the safe storage of liquid. It is suitable for various liquid packaging scenarios with high sealing requirements.

[0045] Intelligent ventilation design: The first ventilation hole 103 and the second ventilation hole 207 are staggered, and when the sealing component 2 is closed, the central axes of the two holes form an angle of 15-45°. Combined with the ventilation gap formed by the arc-shaped protrusion 206 and the arc-shaped recess 104, precise ventilation is achieved while ensuring a tight seal. This balances the air pressure inside and outside the container, preventing liquid from spraying out or becoming difficult to pour due to pressure changes, and also prevents dust and impurities from entering the container, maintaining liquid quality.

[0046] Convenient user experience: The symmetrically arranged drinking spout 106 and straw inlet 107 around the perimeter of the lid 1 fully consider the drinking habits of different users, allowing users to flexibly choose to drink directly or use a straw according to their own needs. At the same time, the elastic snap-fit ​​structure between the sealing component 2 and the lid 1 makes operation simple, and installation and disassembly are easy and convenient, which can be completed with one hand, greatly improving the convenience of use.

[0047] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A cup lid, characterized in that, include: The cover (1) has a detachable plug (2) attached to its top; the top center of the cover (1) has a concave area (102) with a first vent hole (103) in the concave area, and an arc-shaped recess (104) on one side of the concave area (102). A positioning cylinder (105) is provided on the cover (1) outside the arc-shaped recess (104); the cover (1) has a drinking spout (106) and a tube inlet (107) symmetrically arranged around its periphery, and a snap-fit ​​groove (108) is provided on the inner side of the cover (1) corresponding to the snap-fit ​​position; the plug (2) includes a first plug protrusion (201) located at the position of the plug (2) corresponding to the tube inlet (107) for plugging and sealing the tube inlet. (107); The second sealing protrusion (202) is located at the position of the sealing member (2) corresponding to the mouth opening (106) and is used to plug and seal the mouth opening (106); The convex area (205) is located in the middle of the sealing member (2) and forms a detachable snap-fit ​​with the concave area (102) of the cover (1); The arc-shaped protrusion (206) is located at the position of the convex area (205) corresponding to the arc-shaped recess (104) and forms a ventilation gap between the two; The second ventilation hole (207) is opened on the convex area (205) and forms a staggered arrangement with the first ventilation hole (103); The positioning post (208) is located at the bottom end of the sealing member (2) and forms a plug-in positioning fit with the positioning cylinder (105).

2. A cup lid according to claim 1, characterized in that: The sealing component (2) has snap-fit ​​pieces (203) at both ends. The snap-fit ​​pieces (203) have a protruding edge (204) extending vertically on the outer side. The snap-fit ​​pieces (203) and the snap-fit ​​groove (108) on the inner side of the cover (1) form an elastic snap-fit ​​structure.

3. A cup lid according to claim 2, characterized in that: The first vent (103) and the second vent (207) are both elliptical through holes. When the sealing member (2) is in the closed state, the central axes of the two vents form an angle of 15-45°.

4. A cup lid according to claim 3, characterized in that: The first sealing protrusion (201) and the second sealing protrusion (202) are provided with sealing ring grooves at their ends, and food-grade silicone sealing rings are embedded in the sealing ring grooves.

5. A cup lid according to claim 4, characterized in that: The inner side of the cover (1) is provided with radially distributed reinforcing ribs (101) corresponding to the snap-fit ​​groove (108), and the thickness of the reinforcing ribs (101) is 1.2-1.5 times the thickness of the cover wall.

6. A cup lid according to claim 5, characterized in that: The second sealing protrusion (202) adopts a cone-shaped structure and is interference-fitted with the mouthpiece (106). The first sealing protrusion (201) adopts a frustum-shaped structure and is interference-fitted with the insertion port (107).

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