A disposable lid for a disposable beverage paper cup

Abstract

The present invention belongs to the technical field of fast-moving consumer goods, and specifically relates to a disposable lid for a disposable beverage paper cup, which includes an outer clamping part and an inner clamping part; in the present invention, by providing the cup lid with an outer clamping part and an inner clamping part, the protrusions on the outer clamping part are clamped with the bumps on the edge of the paper cup mouth, so as to wrap the paper cup mouth from the outside, thereby realizing the external support and external sealing of the paper cup mouth; secondly, since the side wall of the inner clamping part is inclined, the cross-section between the inner clamping part and the outer clamping part is trapezoidal. During the process of the cup lid moving downward and buckling on the paper cup mouth, the paper cup mouth moves towards the direction with a smaller distance between the inner clamping part and the outer clamping part, so that the inner side of the paper cup mouth abuts against the side wall of the inner clamping part, thereby realizing the support and sealing of the inner side of the paper cup, preventing the inner part of the paper cup mouth from deforming inward, avoiding the leakage of the internal beverage caused by the inward deformation of the paper cup, avoiding waste, and improving the safety of beverage carrying.

Description

Technical Field

[0001] The present invention belongs to the technical field of fast-moving consumer goods, and specifically relates to a disposable lid for a disposable beverage paper cup. Background Art

[0002] With the development of the Internet, people's lifestyles are becoming increasingly dependent on the Internet. For example, in the catering industry, more and more people choose to order takeout. Among them, beverage products are usually packaged in paper cups and lids and then delivered by couriers. However, due to the generally low strength of paper cups and certain bumps and collisions during transportation, the paper cups or the lids may be deformed, resulting in the spillage of beverages.

[0003] Existing paper cups and lids usually rely only on the buckle between the protrusions on the outside of the lid and the bumps on the edge of the paper cup opening to seal the paper cup and prevent the leakage of beverages inside the paper cup. However, since it is only buckled on the outside of the paper cup, the paper cup still has the risk of deforming inward. When carrying the paper cup, under the soaking of the beverage and the action of external force, the paper cup will deform inward, resulting in a gap between the paper cup and the lid, and thus the beverage inside the paper cup will leak out. Secondly, since the paper cup and the lid are buckled together through external protrusions and are usually buckled tightly to ensure tightness, when it is necessary to open the lid to drink, a relatively large force often needs to be applied to one side of the lid to pry open the lid. At this time, the clamping force disappears instantly, which is likely to cause the beverage to spill out and result in waste of the beverage. Summary of the Invention

[0004] In order to make up for the deficiencies of the prior art, the present invention provides a disposable lid for a disposable beverage paper cup. The present invention mainly solves the problem that the existing disposable lid is only sealed from the outside during packaging. When the paper cup deforms inward, a gap appears between the paper cup and the lid, resulting in beverage leakage.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a disposable lid for a disposable beverage paper cup, including an outer clamping part and an inner clamping part; the outer clamping part is fixedly connected to the inner clamping part; the outer shell part is used for clamping outside the opening of the paper cup; the inner clamping part is used for abutting against the inner wall of the opening of the paper cup; the upper end of the side wall of the inner clamping part inclines towards the outer clamping part; a convex structure is arranged inside the lower end of the outer clamping part; the convex structure is used for clamping with the edge of the opening of the paper cup.

[0006] At work, when buying drinks to take away, they are usually packaged in disposable paper cups and cup lids, which are convenient to carry. Existing paper cups and cup lids usually only rely on the buckling between the external protrusions of the cup lid and the protrusions on the edge of the paper cup mouth, so that the paper cup is sealed, thereby preventing the beverage inside the paper cup from leaking; however, since it is only buckled on the outside of the paper cup, the paper cup is still at risk of deforming inward, and then when carrying the paper cup, it will deform inward under the immersion of the beverage and the action of external forces, thereby causing a gap between the paper cup and the cup lid, thereby causing the beverage inside the paper cup to leak outward; therefore, in this solution, the cup lid is provided with an outer clamping part and an inner clamping part, and when in use, the protrusion on the outer clamping part is clamped with the protrusion on the edge of the paper cup mouth, thereby never wrapping the paper cup mouth, thereby achieving external support and external sealing of the paper cup mouth; secondly, The side wall of the inner clamping part is inclined, so that the cross section between the inner clamping part and the outer clamping part is a trapezoid, and when the cup cover moves downward and is buckled on the mouth of the paper cup, the mouth of the paper cup moves in the direction of the smaller distance between the inner clamping part and the outer clamping part, so that the inner side of the mouth of the paper cup contacts the side wall of the inner clamping part, so that the inner clamping part supports the paper cup inside the paper cup, thereby realizing the support and sealing of the inner side of the paper cup, thereby preventing the inner part of the mouth of the paper cup from deforming inward, thereby avoiding the leakage of the internal beverage caused by the inward deformation of the paper cup, thereby avoiding waste, and thereby improving the safety of carrying the beverage; at the same time, because the inner support contacts and seals the inner side of the paper cup on the inside, and the outer clamping part seals the paper cup from the outside, a secondary seal is achieved between the cup cover and the paper cup, thereby improving the sealing of the cup cover, and further improving the safety of carrying.

[0007] Preferably, the outer clamping part is provided with segmented grooves along the circumferential direction; the upper end of the outer clamping part is provided with a threaded structure; a clamping ring is provided on the outer side of the outer clamping part; and the clamping ring is threadedly connected to the outer clamping part.

[0008] During operation, secondly, since the paper cup and the cup lid are buckled together by an external protrusion, and in order to ensure the sealing performance, they are usually buckled tightly. Therefore, when it is necessary to open the cup lid to drink, a relatively large force often needs to be applied to one side of the cup lid to pry it open. Then, at the moment of prying open, the clamping force disappears, which is likely to cause the beverage to spill out, resulting in waste of the beverage. Therefore, in this solution, a segmented groove is provided at the lower end of the outer clamping part, so that the outer clamping part is divided into multiple parts, and the lower end of the outer clamping part no longer forms a whole, so that the lower end of the outer clamping part can be turned outwards, so that the protrusion on the outer clamping part can be far away from the paper cup. When it is necessary to open it, the outer clamping part and the paper cup are no longer tightly clamped, so that the external clamping force between the cup lid and the paper cup is removed. When opening the cup lid, it is possible to open the cup lid without using a large force, thereby reducing the spilling of the beverage when opening the cup lid. At the same time, a thread is provided at the upper end of the outer clamping part, and a clamping ring is provided on the outside of the outer clamping part. When it is necessary to buckle the cup lid, first place the cup lid on the mouth of the paper cup, and then rotate the clamping ring, so that the clamping ring moves towards the paper cup. The clamping ring pushes the turned-out lower end of the outer clamping part towards the paper cup, so that the protrusion at the lower end of the outer clamping part is buckled to the outside of the paper cup, so that the cup lid and the paper cup are sealed. Due to the provision of the clamping ring, the disassembly and assembly of the cup lid are more convenient, and the spilling of the beverage during the disassembly and assembly of the cup lid is reduced.

[0009] Preferably, the outer clamping part and the inner clamping part are of a thin-walled structure; the outer clamping part and the inner clamping part are of an integral structure.

[0010] During operation, since the cup lid is a disposable product, the outer clamping part and the inner clamping part of the cup lid are set to be of a thin-walled structure, which reduces the material used for the cup lid, thereby reducing the manufacturing cost of the cup lid, reducing the use cost of the cup lid, and being able to improve the utilization rate of the cup lid, which is helpful for the popularization of the cup lid. Secondly, since the cup lid is of a thin-walled structure, the weight of the cup lid itself is relatively light. And in most scenarios where the cup lid is needed, it is mostly when taking it out. Therefore, the light weight of the cup lid makes it more convenient to carry. At the same time, by setting the cup lid to be of a thin-walled structure and an integral structure, the cup lid can be produced by a one-shot injection molding production process during the production of the cup lid. Since the one-shot molding process is relatively mature and has a wide application range, the production difficulty is reduced. At the same time, the cup lid formed by one-shot molding has better integrity and better consistency, so that the cup lid can have consistent sealing performance during use.

[0011] Preferably, a bending part is provided at the lower end of the outer clamping part, and the bending part is fixedly connected to the protrusion structure; the bending part bends towards the paper cup side.

[0012] During operation, since the outer clamping part is provided with segmented grooves along the circumferential direction, the lower end of the outer clamping part is no longer connected as a whole, thereby reducing the strength of the lower end of the outer clamping part, and making the outer clamping part easy to deform. Therefore, in the present scheme, a bending part is provided at the lower end of the outer clamping part, thereby improving the local strength of the lower end of the outer clamping part, and after the cup cover is clamped, the lower end of the cup cover is not easy to deform, thereby ensuring the sealing of the cup cover; secondly, by setting the bending part to be bent inward, the outward side of the cup cover has no edges, thereby not cutting the user's hands when taking and carrying, thereby improving the safety performance of the cup cover.

[0013] Preferably, a notch portion is provided on the upper side of the bending portion; the notch portion is close to the outer side of the bending portion.

[0014] During operation, a notch is provided at the upper part of the bending part, and when the clamping ring moves downward, one side of the lower end of the clamping ring contacts the notch, and when the clamping ring continues to move downward, the lower end of the outer clamping part is driven to move toward the direction of the paper cup. At the same time, since the notch contacts the lower end of the clamping ring, the outer clamping part can only move toward one side of the paper cup and cannot move outward, thereby ensuring that the outer shell can be stably clamped with the paper cup during the clamping of the clamping ring. At the same time, since the notch is provided, the bending part can only move inward (for example, when the lower end of the outer clamping part flips toward the inside of the paper cup) during the process of the lower end of the outer clamping part turning over. Figure 7 and Figure 8 As shown in the figure, there will be no sliding between the bent portion and the lower portion of the clamping ring, thereby ensuring that the protrusion on the outer clamping portion moves toward the side of the convex block on the paper cup, so that the protrusion on the outer clamping portion is in close contact with the paper cup, thereby increasing the sealing between the cup cover and the paper cup, thereby reducing the spillage of beverages during carrying.

[0015] Preferably, the clamping ring is made of hard plastic material.

[0016] During operation, by setting the material of the clamping ring to a rigid plastic material (which can be polypropylene, polystyrene, polycarbonate, high-density polyethylene, or low-density polyethylene), the strength of the clamping ring itself is relatively high. When the cup lid is installed on the paper cup, the clamping ring can support the position of the paper cup mouth externally. During the carrying process, when an external force acts on the position of the paper cup mouth, the external force will first act on the clamping ring. Since the clamping ring has a relatively high strength, its deformation when subjected to an external force is small, reducing the risk of deformation of the internal paper cup, thus playing a role in protecting the paper cup from deformation and preventing the beverage from spilling due to the deformation of the paper cup. At the same time, because the clamping ring is made of rigid plastic material, when drinking the beverage, the viewing ring can be removed and the clamping ring can be sleeved on the paper cup, which can achieve a heat insulation effect. Also, due to the good support of the clamping ring, it prevents the user from directly picking up the paper cup with their hand, causing the paper cup to deform and the beverage to spill, thereby improving the practicality of the cup lid.

[0017] Preferably, a drinking port is provided on the inner side of the inner clamping portion; the drinking port is fixedly connected to the inner clamping portion; a plug is fixedly connected to one side of the drinking port; the drinking port is close to the side wall of the inner clamping portion.

[0018] During operation, by providing a drinking port on the inner side of the inner clamping portion, it is convenient for the user to drink the internal beverage without uncovering the cup lid, thereby improving the practicality of the cup lid and facilitating the use of the cup lid. Also, due to the provision of the drinking port, the structural strength of the cup lid is increased, making the cup lid more stable during use and further preventing the beverage from spilling due to the deformation of the cup lid.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. In the present invention, the cup lid is provided with an outer clamping part and an inner clamping part. During use, the protrusion on the outer clamping part is clamped with the bump on the edge of the paper cup mouth, thereby wrapping the paper cup mouth from the outside, and thus realizing the external support and external sealing of the paper cup mouth. Secondly, since the side wall of the inner clamping part is inclined, the cross-section between the inner clamping part and the outer clamping part is trapezoidal. During the process of the cup lid moving downward and buckling on the paper cup mouth, the paper cup mouth moves towards the direction with a smaller distance between the inner clamping part and the outer clamping part, so that the inner side of the paper cup mouth abuts against the side wall of the inner clamping part, and the inner clamping part supports the paper cup inside the paper cup, thereby realizing the inner support and sealing of the paper cup, preventing the built-in part of the paper cup mouth from deforming inward, avoiding the leakage of the internal beverage caused by the inward deformation of the paper cup, avoiding waste, and improving the safety of beverage carrying. At the same time, since the inner support abuts and seals against the inner side of the paper cup, and the outer clamping part seals the paper cup from the outside, the secondary sealing between the cup lid and the paper cup is realized, improving the sealing performance of the cup lid and further improving the safety of carrying.

[0021] 2. In the present invention, by providing a segmented groove at the lower end of the outer clamping part, the outer clamping part is divided into multiple parts, so that the lower end of the outer clamping part is no longer a whole, and the lower end of the outer clamping part can be turned outwards, so that the protrusion on the outer clamping part can be away from the paper cup. When it needs to be opened, the outer clamping part and the paper cup are no longer tightly clamped, and the external clamping force between the cup lid and the paper cup is removed. When opening the cup lid, a large force is not required to open the cup lid, thereby reducing the spillage of the beverage caused by opening the cup lid. At the same time, by providing a thread at the upper end of the outer clamping part and a clamping ring on the outside of the outer clamping part, when the cup lid needs to be buckled, first place the cup lid on the paper cup mouth, and then rotate the clamping ring, so that the clamping ring moves towards the paper cup, and the clamping ring pushes the turned-out lower end of the outer clamping part towards the paper cup, so that the protrusion at the lower end of the outer clamping part is fastened to the outside of the paper cup, realizing the sealing between the cup lid and the paper cup. Due to the provision of the clamping ring, the disassembly and assembly of the cup lid are more convenient, reducing the spillage of the beverage during the disassembly and assembly of the cup lid.

[0022] 3. In the present invention, since the cup cover is a disposable product, the outer clamping part and the inner clamping part of the cup cover are set to a thin-walled structure, thereby reducing the material used for the cup cover, thereby reducing the manufacturing cost of the cup cover, and thereby reducing the use cost of the cup cover, thereby increasing the utilization rate of the cup cover and contributing to the popularization of the cup cover; secondly, since the cup cover is a thin-walled structure, the weight of the cup cover itself is relatively light, and the cup cover is mostly needed when it is taken out, so the light weight of the cup cover makes it more convenient to carry; at the same time, by setting the cup cover to a thin-walled structure and setting it to an integrated structure, the cup cover can be produced through a one-time injection molding production process during production. Since the integrated molding process is relatively mature and has a wide range of uses, the difficulty of production is reduced. At the same time, the cup cover formed by integrated molding has better integrity and better consistency, so that the cup cover can have consistent sealing when used.

[0023] 4. In the present invention, since the outer clamping part is provided with a segmented groove along the circumferential direction, the lower end of the outer clamping part is no longer connected as a whole, thereby reducing the strength of the lower end of the outer clamping part, and making the outer clamping part easy to deform. Therefore, in this scheme, a bending part is provided at the lower end of the outer clamping part, thereby improving the local strength of the lower end of the outer clamping part, and after the cup cover is clamped, the lower end of the cup cover is not easy to deform, thereby ensuring the sealing of the cup cover; secondly, by arranging the bending part to bend inward, the outward side of the cup cover has no edges, and will not cut the user's hands when taking and carrying, thereby improving the safety performance of the cup cover.

[0024] 5. In the present invention, a notch is provided at the upper part of the bending part, so that when the clamping ring moves downward, one side of the lower end of the clamping ring contacts the notch, and when the clamping ring continues to move downward, the lower end of the outer clamping part is driven to move toward the direction of the paper cup. At the same time, due to the abutment between the notch and the lower end of the clamping ring, the outer clamping part can only move toward one side of the paper cup and cannot move outward, thereby ensuring that during the clamping of the clamping ring, the outer shell can be stably clamped with the paper cup. At the same time, due to the notch, during the flipping of the lower end of the outer clamping part toward the inner side of the paper cup, the bending part can only move inward, and there will be no sliding between the bending part and the lower part of the clamping ring, thereby ensuring that the protrusion on the outer clamping part moves toward the side of the convex block on the paper cup, thereby making the protrusion on the outer clamping part tightly abut against the paper cup, thereby increasing the sealing between the cup cover and the paper cup, thereby reducing the spillage of beverage during carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Figure 1It is a schematic diagram of the overall structure during the assembly of the cup lid in the present invention;

[0027] Figure 2 It is a schematic diagram of the internal structure during the assembly of the cup lid in the present invention;

[0028] Figure 3 It is a schematic diagram of the overall structure of the cup lid in the present invention;

[0029] Figure 4 It is a schematic diagram of the internal structure of the cup lid in the present invention;

[0030] Figure 5 It is a schematic diagram of the structure when the cup lid is buckled with the paper cup in the present invention;

[0031] Figure 6 It is a schematic diagram of the structure of the bending part and the notch part in the present invention;

[0032] Figure 7 It is a schematic diagram of the structure when the lower part of the outer clamping part is turned up in the present invention;

[0033] Figure 8 It is a schematic diagram of the structure when the clamping ring is clamped in the present invention;

[0034] In the figure: outer clamping part 1, inner clamping part 2, convex structure 3, segmented groove 4, clamping ring 5, bending part 6, notch part 7, drinking port 8. Detailed implementation manners

[0035] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0036] As Figures 1 to 8 shown, a disposable lid for a disposable beverage paper cup includes an outer clamping part 1 and an inner clamping part 2; the outer clamping part 1 is fixedly connected to the inner clamping part 2; the outer shell part is used for clamping outside the opening of the paper cup; the inner clamping part 2 is used for abutting against the inner wall of the opening of the paper cup; the upper end of the side wall of the inner clamping part 2 inclines towards the outer clamping part 1; a convex structure 3 is arranged inside the lower end of the outer clamping part 1; the convex structure 3 is used for clamping with the edge of the opening of the paper cup.

[0037] When working, when buying beverages for takeout, disposable paper cups and cup lids are usually used for packaging to facilitate carrying. Existing paper cups and cup lids are usually sealed only by the engagement between the protrusions on the outside of the cup lid and the bumps on the edge of the paper cup mouth, so that the paper cup is sealed to prevent the beverage inside the paper cup from leaking. However, since it is only clamped on the outside of the paper cup, the paper cup still has the risk of deforming inward. Therefore, when carrying, the paper cup will deform inward under the soaking of the beverage and the action of external force, resulting in a gap between the paper cup and the cup lid, and the beverage inside the paper cup will leak outwards. Therefore, in this solution, the cup lid is provided with an outer clamping part 1 and an inner clamping part 2. When in use, the protrusions on the outer clamping part 1 are clamped with the bumps on the edge of the paper cup mouth, so as to wrap the paper cup mouth from the outside, thus realizing the external support and external sealing of the paper cup mouth. Secondly, since the side wall of the inner clamping part 2 is inclined, the cross-section between the inner clamping part 2 and the outer clamping part 1 is trapezoidal. Therefore, during the process of the cup lid moving downward and being clamped on the paper cup mouth, the paper cup mouth moves towards the direction with a smaller distance between the inner clamping part 2 and the outer clamping part 1, so that the inner side of the paper cup mouth abuts against the side wall of the inner clamping part 2, and the inner clamping part 2 supports the paper cup inside the paper cup, thus realizing the inner support and sealing of the paper cup, preventing the inner part of the paper cup mouth from deforming inward, avoiding the leakage of the internal beverage caused by the inward deformation of the paper cup, avoiding waste, and improving the safety of beverage carrying. At the same time, since the inner support abuts and seals against the inner side of the paper cup, and the outer clamping part 1 seals the paper cup from the outside, the secondary sealing between the cup lid and the paper cup is realized, improving the sealing performance of the cup lid and further improving the safety of carrying.

[0038] As Figures 1 to 4 shown, the outer clamping part 1 is provided with a segmented groove 4 along the circumferential direction; the upper end of the outer clamping part 1 is provided with a threaded structure; a clamping ring 5 is arranged on the outside of the outer clamping part 1; the clamping ring 5 is threadedly connected with the outer clamping part 1.

[0039] During operation, secondly, since the paper cup and the cup lid are buckled together by an external protrusion, and in order to ensure tightness, they are usually buckled tightly. Therefore, when it is necessary to open the cup lid to drink, a relatively large force often needs to be applied on one side of the cup lid to pry it open. Then, at the moment of prying open, the clamping force disappears, which easily causes the beverage to spill out, resulting in waste of the beverage. Therefore, in this solution, a segmented groove 4 is provided at the lower end of the outer clamping part 1, so that the outer clamping part 1 is divided into multiple parts, and the lower end of the outer clamping part 1 no longer forms a whole, so that the lower end of the outer clamping part 1 can be turned outwards, so that the protrusion on the outer clamping part 1 can be far away from the paper cup. When it is necessary to open it, the outer clamping part 1 and the paper cup are no longer tightly clamped, so that the external clamping force between the cup lid and the paper cup is removed. When opening the cup lid, it is possible to open the cup lid without using a large force, thereby reducing the spilling of the beverage when opening the cup lid. At the same time, a thread is provided at the upper end of the outer clamping part 1, and a clamping ring 5 is provided on the outside of the outer clamping part 1. When it is necessary to buckle the cup lid, first place the cup lid on the mouth of the paper cup, and then rotate the clamping ring 5, so that the clamping ring 5 moves towards the paper cup. The clamping ring 5 pushes the turned-out lower end of the outer clamping part 1 towards the paper cup, so that the protrusion at the lower end of the outer clamping part 1 is buckled to the outside of the paper cup, so that the cup lid and the paper cup are sealed. Since the clamping ring 5 is provided, the disassembly and assembly of the cup lid are more convenient, and the spilling of the beverage during the disassembly and assembly of the cup lid is reduced.

[0040] As Figures 2 to 6 shown, the outer clamping part 1 and the inner clamping part 2 are of a thin-walled structure; the outer clamping part 1 and the inner clamping part 2 are of an integral structure.

[0041] During operation, since the cup lid is a disposable product, the outer clamping part 1 and the inner clamping part 2 of the cup lid are set to be of a thin-walled structure, which reduces the material used for the cup lid, thereby reducing the manufacturing cost of the cup lid and the usage cost of the cup lid, and can improve the utilization rate of the cup lid, which helps the popularization of the cup lid. Secondly, since the cup lid is of a thin-walled structure, the weight of the cup lid itself is relatively light. And in most scenarios where the cup lid is needed, it is mostly when taking it out. Therefore, the light weight of the cup lid makes it more convenient to carry. At the same time, by setting the cup lid to be of a thin-walled structure and an integral structure, during the production of the cup lid, it can be produced by a one-shot injection molding production process. Since the one-shot molding process is relatively mature and has a wide application range, the production difficulty is reduced. At the same time, the cup lid formed by one-shot molding has better integrity and better consistency, so that the cup lid can have consistent tightness during use.

[0042] As Figures 4 to 6As shown, a bending portion 6 is provided at the lower end of the outer clamping portion 1, and the bending portion 6 is fixedly connected to the protruding structure 3; the bending portion 6 is bent toward one side of the paper cup.

[0043] During operation, since the outer clamping part 1 is provided with a segmented groove 4 along the circumferential direction, the lower end of the outer clamping part 1 is no longer connected as a whole, thereby reducing the strength of the lower end of the outer clamping part 1, and making the outer clamping part 1 easy to deform. Therefore, in the present scheme, a bending part 6 is provided at the lower end of the outer clamping part 1, so as to improve the local strength of the lower end of the outer clamping part 1, and after the cup cover is clamped, the lower end of the cup cover is not easy to deform, thereby ensuring the sealing of the cup cover; secondly, by setting the bending part 6 to be bent inward, the outward side of the cup cover has no edges, so that the user's hands will not be cut when taking and carrying, thereby improving the safety performance of the cup cover.

[0044] like Figures 4 to 6 As shown, a notch portion 7 is provided on the upper side of the bending portion 6 ; the notch portion 7 is close to the outer side of the bending portion 6 .

[0045] During operation, the notch 7 is provided on the upper part of the bending part 6, and then during the downward movement of the clamping ring 5, one side of the lower end of the clamping ring 5 contacts the notch 7, and then when the clamping ring 5 continues to move downward, the lower end of the outer clamping part 1 is driven to move toward the direction of the paper cup. At the same time, since the notch 7 contacts the lower end of the clamping ring 5, the outer clamping part 1 can only move toward one side of the paper cup and cannot move outward, thereby ensuring that during the clamping process of the clamping ring 5, the outer shell can be stably clamped with the paper cup. At the same time, due to the notch, during the flipping process of the lower end of the outer clamping part 1 toward the inside of the paper cup, the bending part 6 can only move inward (for example, Figure 7 and Figure 8 As shown in the figure, there will be no sliding between the bending portion 6 and the lower portion of the clamping ring 5, thereby ensuring that the protrusion on the outer clamping portion 1 moves toward the side of the convex block on the paper cup, so that the protrusion on the outer clamping portion 1 is in close contact with the paper cup, thereby increasing the sealing between the cup cover and the paper cup, thereby reducing the spillage of beverages during carrying.

[0046] The clamping ring 5 is made of hard plastic material.

[0047] During operation, by setting the material of the clamping ring 5 to a rigid plastic material (which can be polypropylene, polystyrene, polycarbonate, high-density polyethylene, or low-density polyethylene), the strength of the clamping ring 5 itself is relatively high. When the cup lid is installed on the paper cup, the clamping ring 5 can support the position of the paper cup mouth externally. During the carrying process, when an external force acts on the position of the paper cup mouth, the external force will first act on the clamping ring 5. Since the clamping ring 5 has a relatively high strength, its deformation when subjected to an external force is small, reducing the risk of deformation of the internal paper cup, thus playing a role in protecting the paper cup from deformation and preventing the beverage from spilling due to the deformation of the paper cup. At the same time, because the clamping ring 5 is made of rigid plastic material, when drinking the beverage, the viewing ring can be removed, and the clamping ring 5 can be sleeved on the paper cup, which can achieve a heat insulation effect. Also, due to the good support of the clamping ring 5, it prevents the user from directly picking up the paper cup with their hand, causing the paper cup to deform and the beverage to spill, thus improving the practicality of the cup lid.

[0048] As Figures 1 to 4 shown, a drinking port 8 is provided inside the inner clamping portion 2; the drinking port 8 is fixedly connected to the inner clamping portion 2; a plug is fixedly connected to one side of the drinking port 8; the drinking port 8 is close to the side wall of the inner clamping portion 2.

[0049] During operation, by providing a drinking port 8 inside the inner clamping portion 2, it is convenient for the user to drink the internal beverage without removing the cup lid, thus improving the practicality of the cup lid and facilitating the use of the cup lid. Also, due to the provision of the drinking port 8, the structural strength of the cup lid is increased, making the cup lid more stable during use and further preventing the beverage from spilling due to the deformation of the cup lid.

[0050] During operation, by providing the cup cover with an outer clamping part 1 and an inner clamping part 2, when in use, the protrusion on the outer clamping part 1 is clamped with the protrusion on the edge of the paper cup mouth, thereby never wrapping the paper cup mouth from the outside, thereby achieving external support and external sealing of the paper cup mouth; secondly, since the side wall of the inner clamping part 2 is arranged obliquely, the cross-section between the inner clamping part 2 and the outer clamping part 1 is a trapezoid, and then in the process of the cup cover moving downward to be buckled on the paper cup mouth, the paper cup mouth moves in the direction where the distance between the inner clamping part 2 and the outer clamping part 1 is small, so that the inner side of the paper cup mouth conflicts with the side wall of the inner clamping part 2, so that the inner clamping part 2 supports the paper cup inside the paper cup, thereby achieving support and sealing of the inner side of the paper cup, thereby preventing the inner deformation of the paper cup mouth, thereby avoiding The inward deformation of the paper cup causes leakage of the internal beverage, thereby avoiding waste and improving the safety of carrying the beverage; at the same time, the inner support contacts and seals the inner side of the paper cup on the inside, and the outer clamping part 1 seals the paper cup from the outside, thereby making a secondary seal between the cup cover and the paper cup, thereby improving the sealing of the cup cover and further improving the safety of carrying; secondly, since the paper cup and the cup cover are buckled together by the external protrusion, and in order to ensure the sealing, they are usually buckled tightly, and when it is necessary to open the cup cover to drink, it is often necessary to apply a large force on one side of the cup cover to pry open the cup cover, and the clamping force disappears at the moment of prying open, which is easy to cause the beverage to spill, thereby causing waste of beverage; therefore, in the present invention, In the case, a segmented groove 4 is provided at the lower end of the outer clamping part 1, so that the outer clamping part 1 is divided into multiple parts, so that the lower end of the outer clamping part 1 is no longer a whole, so that the lower end of the outer clamping part 1 can be turned outward, so that the protrusion on the outer clamping part 1 can be away from the paper cup, so that the outer clamping part 1 and the paper cup are no longer tightly clamped when it is needed to be opened, so that the external clamping force between the cup cover and the paper cup is removed, and when the cup cover is opened, it is not necessary to use a large force to open the cup cover, so as to reduce the spillage of the beverage when the cup cover is opened; at the same time, a thread is provided at the upper end of the outer clamping part 1, and a clamping ring 5 is provided on the outer side of the outer clamping part 1, so that when the cup cover needs to be buckled in, the cup cover is first put in The clamping ring 5 is placed on the mouth of the paper cup, and then the clamping ring 5 is rotated to move the clamping ring 5 toward the direction of the paper cup, and the clamping ring 5 pushes the lower end of the outer clamping part 1 to move toward the direction of the paper cup, so that the protrusion at the lower end of the outer clamping part 1 is fastened to the outside of the paper cup, so that the cup cover and the paper cup are sealed. Due to the provision of the clamping ring 5, the disassembly and assembly of the cup cover is more convenient, thereby reducing the spillage of beverages when disassembling and assembling the cup cover; since the cup cover is a disposable product, the outer clamping part 1 and the inner clamping part 2 of the cup cover are configured as a thin-walled structure, thereby reducing the material used for the cup cover, thereby reducing the manufacturing cost of the cup cover, thereby reducing the use cost of the cup cover, thereby increasing the use rate of the cup cover, and contributing to the popularization of the cup cover;Secondly, since the cup lid has a thin-walled structure, the weight of the cup lid itself is relatively light. When the cup lid is mostly needed for carrying out, the light weight of the cup lid makes it more convenient to carry. At the same time, by setting the cup lid into a thin-walled structure and an integral structure, the cup lid can be produced by an injection molding process during production. Since the integral molding process is relatively mature and has a wide range of applications, the production difficulty is reduced. At the same time, the integrally formed cup lid has better integrity and consistency, so that the cup lid can have consistent sealing performance when in use.

[0051] The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit and scope of the present invention as protected by the claims. All of these are within the protection scope of the present invention.

Claims

1. A disposable lid for a disposable beverage paper cup, characterized in that: It includes an outer card part (1) and an inner card part (2); the outer card part (1) is fixedly connected to the inner card part (2); the outer card part (1) is used for clamping outside the opening of the paper cup; the inner card part (2) is used for abutting against the inner wall of the opening of the paper cup; the upper end of the side wall of the inner card part (2) inclines towards the outer card part (1); a convex structure (3) is arranged inside the lower end of the outer card part (1); the convex structure (3) is used for clamping with the edge of the opening of the paper cup; Segmental grooves (4) are evenly arranged in the circumferential direction on the outer card part (1); a threaded structure is arranged at the upper end of the outer card part (1); a clamping ring (5) is arranged outside the outer card part (1); the clamping ring (5) is threadedly connected to the outer card part (1); The outer card part (1) and the inner card part (2) are of thin-walled structures; the outer card part (1) and the inner card part (2) are of an integral structure; A bent part (6) is arranged at the lower end of the outer card part (1), and the bent part (6) is fixedly connected to the convex structure (3); the bent part (6) bends towards the paper cup side; A notch part (7) is arranged above the bent part (6); the notch part (7) is close to the outside of the bent part (6).

2. The disposable lid for a disposable beverage paper cup according to claim 1, characterized in that: The clamping ring (5) is made of hard plastic material.

3. The disposable lid for a disposable beverage paper cup according to claim 2, characterized in that: A drinking port (8) is arranged inside the inner card part (2); the drinking port (8) is fixedly connected to the inner card part (2); a plug is fixedly connected to one side of the drinking port (8); the drinking port (8) is close to the side wall of the inner card part (2).

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