CN216020348U

CN216020348U - Cup cover and cup

Info

Publication number: CN216020348U
Application number: CN202122327279.2U
Authority: CN
Inventors: 赵伟
Original assignee: Zhejiang Supor Co Ltd
Current assignee: Zhejiang Supor Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-15
Anticipated expiration: 2031-09-24

Abstract

The utility model provides a cup cover and a cup tool, wherein the cup cover comprises a cylindrical outer cover and an inner plug arranged on the inner side of the outer cover, a clamping hook part is arranged on the outer side part of the inner plug, a clamping part protruding towards the inner plug is arranged on the inner side of the outer cover, and the clamping part is combined with the clamping hook part, so that the outer cover can rotate relative to the inner plug. According to the cup cover disclosed by the utility model, in the process that the outer cover is combined with the cup body or is separated to be opened, the inner plug and the sealing ring do not integrally move with the outer cover, abnormal sound generated by friction of the sealing ring can be avoided, the cup cover is labor-saving to open, and convenience is brought to users. In addition, because enclosing cover and interior stopper can dismantle the connection, can dismantle the washing to the bowl cover, ensure the clean health of bowl cover.

Description

Cup cover and cup

Technical Field

The utility model relates to the technical field of drinking appliances, in particular to a cup cover and a cup.

Background

At present, cup utensil on the market, for example ordinary drinking cup, the interior stopper and the screw cap of bowl cover structure link together, and interior stopper and sealing washer rotate along with the screw cap simultaneously when the twist cap is opened, and during the rotation, the sealing washer of silica gel can have the friction to produce the abnormal sound with the bowl cover structure, and because the friction is difficult for opening the screw cap, in addition, the bowl cover also can not unpack apart the washing, breeds the bacterium easily. The top cap and the inner plug of the product are connected into a whole by threads or buckles, so that the product is easy to mistakenly open and has poor experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cup cover and a cup, which can avoid abnormal sound generated when the cup cover is opened, save labor in opening, are easy to disassemble and are convenient to clean.

For the purpose as described above, the present disclosure provides the following technical solutions:

according to one aspect of the utility model, a cup cover is provided, and the cup cover comprises a cylindrical outer cover and an inner plug arranged on the inner side of the outer cover, wherein a clamping hook part is arranged on the outer side part of the inner plug, a clamping part protruding towards the inner plug is arranged on the inner side of the outer cover, and the clamping part is combined with the clamping hook part, so that the outer cover can rotate relative to the inner plug. The inner plug and the outer cover can be detachably connected and can rotate relatively, when the outer cover is opened, the inner plug does not rotate along with the outer cover, abnormal sound generated by friction of a sealing ring in the inner plug and a cup cover structure can be avoided, the cover can be opened more easily, and in addition, the structures can be detachably connected, so that the cleaning is facilitated.

According to an aspect of the present invention, the inside plug includes an inside plug main body and a stopper flange extending laterally from a side surface of the inside plug main body to below the catching portion, a predetermined gap being maintained between a peripheral edge of the stopper flange and an inner sidewall of the outer cap. So set up, limit flange can restrict the cup joint position of sealing washer and can extrude sealing washer and cup rim portion and realize sealedly.

According to an aspect of the present invention, an annular boss is formed on the inner side of the outer cap, an inner side edge of the annular boss protrudes obliquely upward to form the hooking portion, the hooking portion includes at least two upwardly extending lugs disposed outside the inner plug body, an upper end of the lugs is bent outward to form the hooks, and the at least two lugs are disposed at intervals in the circumferential direction of the inner plug body. The inner plug and the outer cover are connected through the combination of the clamping hook and the clamping part. The clamping hook part is arranged to be of the lug structure, so that the clamping hook part is easy to deform when the outer cover is combined, and the clamping operation with the outer cover is convenient.

According to one aspect of the utility model, the cup cover further comprises a top cover arranged above the inner plug, a first magnetic attraction part is arranged on the lower surface of the top cover, a second magnetic attraction part is arranged on the upper part of the inner plug main body, and the first magnetic attraction part and the second magnetic attraction part attract each other to enable the top cover to cover the top of the inner plug (200). The mode that utilizes magnetism to inhale makes top cap and enclosing cover combine, can prevent that the maloperation of top cap from opening, and the combination of top cap and dismantlement easy operation are convenient.

According to an aspect of the present invention, the top cap includes a top cap body and a support ring located on a lower surface of the top cap body, the first magnetic attraction portion is mounted on an inner side of the support ring, and the support ring abuts against a radially inner side of the hook portion. So set up, the support ring can have the fixed action to bayonet catch portion, prevents to rock and drops.

According to an aspect of the utility model, a cavity with an upper opening is formed in the middle of the inner plug body, the second magnetic attraction part is installed in the cavity, and the first magnetic attraction part and the second magnetic attraction part are respectively columnar or annular. The cavity arranged on the inner plug can fix the position of the second magnetic part to prevent the second magnetic part from loosening and falling off.

According to an aspect of the present invention, the outer edge of the cap body is protruded downwardly and inwardly to form an inner flange, an outer circumferential surface of the inner flange is inclined inwardly, and an upper end edge of the outer cap is provided with a slope to be fitted with the inner flange. So set up, make top cap and enclosing cover can cooperate the block, improve the aesthetic property of product.

According to one aspect of the utility model, the cup cover further comprises a sealing ring sleeved on the inner plug body below the limiting flange and used for being in sealing fit with the cup opening part of the cup body, and a preset gap is kept between the periphery of the sealing ring and the inner side wall of the outer cover. So set up, can make the outward flange of sealing washer not contact with the enclosing cover, produce the abnormal sound when preventing to open the bowl cover.

According to an aspect of the utility model, the inner side of the outer cover is provided with an internal thread for being in threaded connection with the cup mouth part of the cup body, and the outer periphery of the lower end of the inner plug body is inwards sunken to form a tea filter ring groove for being clamped with a tea filter. The threaded connection makes the connection more stable. The tea filtering ring groove is used for connecting a tea filter, and the functionality of the product is enriched.

According to another aspect of the utility model, the cup comprises a cup body and a lid as described above.

The cup cover and the cup of the utility model have the following beneficial effects: when the cup cover is opened, the sealing ring can not generate abnormal sound, is labor-saving and easy to open, and can be detached and cleaned easily.

Drawings

The above and/or other objects and advantages of the present invention will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a longitudinal cross-sectional view of a lid in accordance with an exemplary embodiment of the present invention.

Fig. 2 is a longitudinal cross-sectional view of a cup lid according to another exemplary embodiment of the present invention.

Fig. 3 is a top cover structure view of the cup cover shown in fig. 2.

Fig. 4 is a structure view of an inner plug of the cup lid shown in fig. 2.

Fig. 5 is a structure view of an outer cover of the cup cover according to the embodiment of the utility model.

Fig. 6 is an exploded view of the cup according to the present invention.

Description of reference numerals:

100. an outer cover; 110. an annular boss; 120. a clamping part; 200. an inner plug; 201. an inner plug body; 202. a limiting flange; 203. a tea filter ring groove; 210. a hook portion; 220. a lug; 230. a hook; 300. a top cover; 310. a first magnetic attraction part; 320. a second magnetic attraction part; 330. a top cover body; 340. a support ring; 350. an inner flange; 400. and (5) sealing rings.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, it should not be understood that the aspects of the present invention are limited to the embodiments set forth herein. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The utility model provides a cup cover and a cup tool equipped with the same, and specific structures of the cup cover and the cup tool according to embodiments of the utility model are described in detail below with reference to fig. 1 to 6. In the drawings, like reference numerals refer to like parts throughout.

FIG. 1 is a longitudinal cross-sectional view of a lid in accordance with an exemplary embodiment of the present invention. Fig. 2 is a longitudinal cross-sectional view of a cup lid according to another exemplary embodiment of the present invention. Fig. 4 is a view of the inner plug of the cup lid according to fig. 2. Fig. 5 is a structure view of an outer cover of the cup cover according to the embodiment of the utility model.

As shown in fig. 1, 2, 4, and 5, the cup lid according to the exemplary embodiment of the present invention includes a cylindrical outer lid 100 and an inner plug 200 disposed inside the outer lid 100, an outer side portion of the inner plug 200 is provided with a hook 230, an inner side of the outer lid 100 is provided with a catching portion 120 protruding toward the inner plug 200, and the catching portion 120 is combined with the hook 230 so that the outer lid 100 can rotate relative to the inner plug 200. The cup cover can further comprise a sealing ring 400, wherein the sealing ring 400 is sleeved on the periphery of the inner plug 200 and is used for being combined with the cup mouth part of the cup body to seal liquid.

In this embodiment, the inner plug 200 of the cup cover is located inside the outer cover 100, the outer cover 100 is disposed outside the inner plug 200 and can rotate relative to the inner plug 200, the outer cover 100 is in threaded connection with the rim of the cup body, when the outer cover 100 is connected with or separated from the rim of the cup body, the outer cover 100 rotates relative to the rim of the cup body so as to be combined with or separated from the rim of the cup body, during the rotation of the outer cover 100, the inner plug 200 of the cup cover does not rotate, and the inner plug 200 moves up and down only under the driving of the outer cover 100. Because the sealing ring 400 of the cup cover is sleeved with the inner plug 200 and is contacted with the cup opening part, in the process, the inner plug 200 does not rotate, and the sealing ring 400 and the inner plug integrally move up and down, so that the sealing ring 400 does not generate friction with the cup cover structure and also does not generate friction with the cup opening part, on one hand, abnormal sound generated by the friction of the sealing ring 400 can be prevented, on the other hand, the resistance of opening the cup cover can be reduced, and the cup cover is convenient for a user to use.

As shown in fig. 1 to 4, the inside plug 200 includes an inside plug main body 201 and a stopper flange 202, the stopper flange 202 extending laterally from a side surface of the inside plug main body 201 to below the catching portion 120, a predetermined gap being maintained between an outer peripheral edge of the stopper flange 202 and an inner side wall of the outer cap 100. During the rotation of the outer cap 100 with respect to the inner plug 200, the stopper flange 202 and the hook 230 can be restrained to prevent the separation from the inner plug 200 in the vertical direction.

In addition, the sealing ring 400 can be sleeved on the periphery of the plug main body 201 and abut against the connection part of the limiting flange 202 and the plug main body 201. When the cup cover is connected to the cup opening part of the cup body, the sealing ring 400 is abutted between the cup opening part and the limiting flange 202, so that the extrusion sealing of the cup opening part is realized.

As shown in fig. 1 to 5, in order to connect the outer cap 100 and the inner plug 200, an annular boss 110 is formed on the inner side of the outer cap 100, the inner edge of the annular boss 110 protrudes obliquely upward to form a snap-in portion 120, the snap-in portion 210 includes at least two upwardly extending lugs 220 disposed on the outer side of the inner plug body 201, the upper ends of the lugs 220 are bent outward to form a snap hook 230, and the at least two lugs 220 are disposed at intervals in the circumferential direction of the inner plug body 201. As an example, the outer cap 100 may be cylindrical, or may be another structure having a through hole, the lug 220 may be in a thin plate shape, the hook 230 is formed at one end of the lug 220, the hook portion 210 is entirely located inside the outer cap 100, the bending direction of the hook 230 is outward bending to be engaged with the engaging portion 120, and the hook 230 can abut on the upper side of the engaging portion 120 to prevent the outer cap 100 from moving upward and separating from the inner plug 200.

The inner plug 200 is detachably coupled to the outer cap 100 for easy cleaning. Specifically, the outer cap 100 may be sleeved downward from above the inner plug 200, the hook portion 210 is elastically deformed radially inward by the pressing of the catching portion 120, and the hook portion 210 moves to the radially inner side of the catching portion 120, so that the catching portion 120 may be sleeved downward to the outer side of the hook portion 210. In order to facilitate the clamping of the clamping hook portion 210 and the clamping portion 120, a first inclined surface which is inclined downwards is arranged on the outer side of the upper end portion of the clamping hook 230, a second inclined surface which is inclined upwards and matched with the inclined surface of the clamping hook 230 is arranged on the lower surface of the inner edge of the limiting flange 202, when the inner plug 200 is sleeved with the outer cover 100 from bottom to top, the first inclined surface and the second inclined surface can be in face-to-face contact with each other, when the outer cover 100 downwards extrudes the clamping hook 230, a part of downward extrusion force can be converted into horizontal extrusion force through the first inclined surface and the second inclined surface, the clamping hook portion 210 is extruded to deform, so that the clamping portion 120 can be downwards moved to be sleeved on the lower side of the clamping hook 230, and the connection between the outer cover 100 and the inner plug 200 is realized. When it is necessary to detach the exterior cover 100 and the interior plug 200, the hooks 230 may be pressed inward from both sides, so that the hook portions 210 are elastically deformed inward, thereby allowing the catching portions 120 of the exterior cover 100 to be separated from the hooks 230, so that the exterior cover 100 is separated from the interior plug 200.

In order to reduce friction and save labor during the relative rotation of the inner plug 200 and the outer cap 100, a downwardly protruding collar is further disposed on the lower surface of the annular boss 110, the collar has an arc-shaped structure, and the contact between the collar and the limit flange 202 is linear contact, so that the contact area between the annular boss 110 and the limit flange 202 is further reduced, and friction is reduced.

As shown in fig. 1 to 5, a position-limiting flange 202 extends laterally from a side surface of the inside plug body 201 to below the catching portion 120, and a predetermined gap is maintained between an outer peripheral edge of the position-limiting flange 202 and an inner sidewall of the outer cap 100 in order to prevent frictional interference with the inside plug 200 when the outer cap 100 is rotated. The sealing ring 400 is located below the limit flange 202, is sleeved on the inner plug main body 201, and is used for being in sealing fit with the cup mouth part of the cup main body, and a preset gap is kept between the periphery of the sealing ring 400 and the inner side wall of the outer cover 100, so that friction between the outer cover 100 and the sealing ring 400 is prevented when the outer cover 100 rotates.

In order to further ensure the connection stability and the sealing performance of the sealing ring 400, the sealing ring 400 comprises an inner ring part and an outer ring part connected with the outer side of the inner ring, the inner ring part is connected with the inner plug 200, and when the outer cover 100 is connected with the cup body, the outer ring of the sealing ring 400 is pressed against the opening of the cup body by the limit flange 202, so that the sealing effect is realized. The stop flange 202 may also limit the mounting location of the seal ring 400. Further, the outer periphery of the seal ring 400 maintains a predetermined gap from the inner side of the outer lid 100, thereby further preventing frictional noise from being generated between the seal ring 400 and the outer lid 100.

As shown in fig. 1-5, the cup lid further includes a top cover 300 disposed above the inner plug 200, and covers the top of the outer lid 100 and the top of the inner plug 200 to shield the connection gap between the outer lid 100 and the inner plug 200, so as to further beautify the appearance of the cup lid. To facilitate the assembly between the exterior cap 100 and the inner plug 200, the top cap 300 is provided to be detachably coupled to the inner plug 200. Because the top cover 300 is detachably covered on the upper part of the outer cover 100, the whole structure of the cup cover can be detached and cleaned, and the cleanness and the sanitation of the cup cover are ensured.

In order to detachably cover the top cap 300 on the top of the outer cap 100 and prevent the top cap from being opened by mistake, as shown in fig. 1 to 5, a first magnetic attraction part 310 is provided on the lower surface of the top cap 300, and a second magnetic attraction part 320 may be provided on the upper portion of the inner plug main body 201. The first magnetic part 310 and the second magnetic part 320 attract each other to cover the top cap 300 on the top of the inner plug 200. First magnetic attracting portion 310 and second magnetic attracting portion 320 may be magnets or magnetic blocks made of magnetic materials.

The cap 300 may include a cap body 330 and a support ring 340 located on a lower surface of the cap body 330, the first magnetic attraction portion 310 is installed inside the support ring 340, and the first magnetic attraction portion 310 is limited and fixed by the support ring 340 to prevent the first magnetic attraction portion 310 from falling off. In addition, the support ring 340 can also abut against the radial inner side of the hook portion 210, so as to prevent the hook portion 210 from being elastically deformed inwards during the use of the cup cover, so that the outer cover 100 is separated from the inner plug 200, and the safety during the use is ensured.

As an example, the top cap 300 may be approximately circular, the supporting ring 340 is an annular boss, and is clamped inside the hooks 230, the outer diameter of the supporting ring 340 may be appropriately larger than the distance between the two lugs 220, and the interference structural design may effectively prevent the hooks 230 from falling off, so that the connection between the inner plug 200 and the outer cap 100 has stability. In the scheme of this application, do not restrict first magnetism portion 310 and the shape of second magnetism portion 320 of inhaling, first magnetism portion 310 and the shape of second magnetism portion 320 of inhaling can be for column or cyclic annular, and first magnetism portion 310 of inhaling also can be for square or cuboid, is located the inboard of support ring 340. When the first magnetic attraction part 310 is in the shape of an annular boss or a cylinder, the lower surface of the top cover 300 is fixedly connected to the lower surface of the top cover 300 without the support ring 340, the periphery of the first magnetic attraction part 310 can abut against the inner side of the hook 230, and the first magnetic attraction part 310 can play the same role as the support ring 340, so as to support the hook 230 and prevent the outer cover from falling off due to the deformation of the hook 230. In order to further ensure the installation stability of the second magnetic attraction part 320, a cavity with an upper opening is formed in the middle of the inside plug main body 201, and the second magnetic attraction part 320 is installed in the cavity. By arranging the support ring 340 at the lower part of the top cap 300 and forming a cavity in the inside plug body 201, the first magnetic attraction part 310 and the second magnetic attraction part 320 can be ensured to have proper size and volume, so that the magnetic attraction force between the first magnetic attraction part 310 and the second magnetic attraction part 320 can be ensured to be enough to prevent the top cap 300 from being touched by mistake and easily falling off.

According to the technical scheme of this application, through the mode of utilizing magnetism to inhale with top cap 300 fixed to interior stopper 200 on, have the effect that can prevent the top cap 300 that the maloperation was opened, in addition, magnetism inhales the connected mode, does not need extra fastening connection or dismantlement step, is close to can interconnect, and the separation can part both hard, installation and dismantlement easy operation.

In addition, the first and second

magnetic attraction parts

310 and 320 may be configured to be rotatable with respect to each other, so that the top cap 300 can also be rotated in a forward or reverse direction with respect to the exterior cap 100. When screwing the exterior cap 100, if the top cap 300 is inadvertently pressed, the top cap 300 may be rotated with respect to the inner plug 200 so as not to interfere with the rotating operation of the exterior cap 100. Since the connection between the cap 300 and the outer cap 100 is a detachable connection, a gap is inevitably formed at the connection between the two, and in order not to affect the aesthetic appearance of the product, as shown in fig. 1 to 5, the edge of the cap body 330 protrudes downward and inward to form an inner flange 350, and the mouth of the outer cap 100 is provided with a slope surface matching with the inner flange 350 to match and cover the inner flange 350. As an example, the inner flange 350 is a conical structure having an inward inclined smooth slope, and the outer lid 100 correspondingly has a slope structure matching with the inner flange, when the top lid 300 is closed, the joint of the two is smooth, the joint is tightly attached, impurities such as dust can be effectively prevented from entering the inner part of the cup lid, and the rotating operation of the outer lid is not affected.

In order to enrich the functions of the cup cover, the inner plug can be also provided with a tea filtering ring groove 203, the tea filtering ring groove 203 is formed by inwards sinking the peripheral part of the inner plug main body 201, and the tea filtering ring groove 203 can also be not arranged according to different functions.

In another aspect, the present invention further provides a cup, and fig. 6 is an exploded view of the cup structure according to the embodiment of the present invention. As shown in the figures, the cup can comprise a cup body and the cup cover. Preferably, the cup lid and the cup body are in threaded connection, and when the cup lid and the cup body are connected, the sealing ring 400 is sleeved on the periphery of the inner plug body 201 and abuts against the lower surface of the limiting flange 202. The upper edge of the cup opening can abut against the sealing ring 400, and the sealing ring 400 is extruded and deformed along with the rotation of the cup cover relative to the cup body, and the extrusion abuts between the opening of the cup body and the inner plug flange so as to seal liquid in the container. Therefore, the sealing ring 400 and the cup rim portion do not rotate relatively during the rotation of the outer cap, thereby preventing friction noise.

In summary, the present invention provides a cup cover and a cup equipped with the cup cover, the cup cover is composed of a top cover 300, an outer cover 100, and an inner plug 200, the top cover 300 covers the mouth of the outer cover 100 by magnetic attraction, the two-way rotation of the magnetic attraction can prevent the top cover from being opened by mistake, the inner plug 200 and the outer cover 100 can be detachably connected and can move relatively therebetween, the sealing ring 400 can not rotate with the outer cover 100 when the outer cover 100 is opened, the sealing ring 400 can be prevented from generating abnormal sound due to friction, and the cup cover can be opened in a labor-saving manner, which is convenient for users to use.

In the description of the present disclosure, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the disclosure, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the disclosure.

In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

Embodiments of the present application are described above with reference to the drawings. However, it is to be understood that the disclosed embodiments are merely intended to be examples that may be embodied in various and alternative forms. Specific structural and functional details disclosed are not to be interpreted as limiting, but as a representative basis for teaching one skilled in the art how to practice the disclosed concepts.

Claims

1. A cup cover is used for being combined with a cup opening part of a cup body and is characterized by comprising a cylindrical outer cover (100) and an inner plug (200) arranged on the inner side of the outer cover (100), the outer side of the inner plug (200) is provided with a clamping hook part (210), the inner side of the outer cover (100) is provided with a clamping part (120) protruding towards the inner plug (200), the catching part (120) is combined with the catching part (210) so that the outer cap (100) can rotate relative to the inner plug (200), the cup cover also comprises a top cover (300) arranged above the inner plug (200), the lower surface of the top cover (300) is provided with a first magnetic part (310), the upper part of the inner plug (200) is provided with a second magnetic part (320), the first magnetic part (310) and the second magnetic part (320) attract each other to enable the top cover (300) to cover the top of the inner plug (200).

2. The cup lid according to claim 1, characterized in that the inner plug (200) includes an inner plug body (201) and a stopper flange (202), the stopper flange (202) extending laterally from a side surface of the inner plug body (201) to below the snap-in portion (120), a peripheral edge of the stopper flange (202) maintaining a predetermined gap from an inner side wall of the outer lid (100).

3. The cup lid of claim 2, characterized in that an annular boss (110) is formed on the inner side of the outer lid (100), the inner side edge of the annular boss (110) protrudes obliquely upward to form the snap-in portion (120), the snap-in portion (210) comprises at least two upward extending lugs (220) arranged on the inner plug body (201), the upper ends of the lugs (220) are bent outward to form the snap hooks (230), and the at least two lugs (220) are arranged at intervals in the circumferential direction of the inner plug body (201).

4. The cup cover according to claim 3, characterized in that the top cover (300) comprises a top cover body (330) and a support ring (340) located on the lower surface of the top cover body (330), the first magnetic attracting portion (310) is mounted on the inner side of the support ring (340), and the support ring (340) abuts against the radial inner side of the hook portion (210).

5. The cup cover of claim 4, wherein a cavity with an upper opening is formed in the middle of the inner plug body (201), the second magnetic attraction portion (320) is installed in the cavity, and the first magnetic attraction portion (310) and the second magnetic attraction portion (320) are respectively cylindrical or annular.

6. The cup lid according to claim 4, characterized in that an outer edge of the lid body (330) is downwardly and inwardly projected to form an inner flange (350), an outer peripheral surface of the inner flange (350) is inwardly inclined, and an upper end edge of the outer lid (100) is provided with a slope surface to be engaged with the inner flange (350).

7. The lid as claimed in claim 2, further comprising a sealing ring (400), the sealing ring (400) being sleeved onto the inner plug body (201) below the retaining flange (202) for sealing engagement with the mouth of the cup body, the outer periphery of the sealing ring (400) maintaining a predetermined clearance with the inner side wall of the outer lid (100).

8. The cup cover according to claim 6, characterized in that the inner side of the outer cover (100) is provided with an internal thread for being in threaded connection with the cup mouth part of the cup body, and the outer periphery of the lower end of the inner plug body (201) is inwards sunken to form a tea filter ring groove (203) for being clamped with a tea filter.

9. A cup comprising a cup body and a lid as claimed in any one of claims 1 to 8.