Cup cover and cup

Abstract

The utility model provides a cup cover and a cup. The cup cover comprises a movable cover, a mounting cover, a sealing cover and a limiting structure, the mounting cover is connected with the movable cover; the movable cover is in a covering state and an opening state relative to the mounting cover; the sealing cover is arranged on the side, away from the movable cover, of the installation cover and connected with the installation cover. The limiting structure is arranged on the mounting cover and comprises a limiting piece, a first magnetic piece and a second magnetic piece; one end of the limiting piece is connected with the first magnetic piece, and the other end penetrates through the sealing cover and the mounting cover and extends out of the mounting cover; the second magnetic part corresponds to the first magnetic part, and the magnetic poles of the ends, close to each other, of the second magnetic part and the first magnetic part are the same on the side, away from the limiting part, of the first magnetic part; when the movable cover is in an open state, the limiting piece is driven by the first magnetic piece to clamp the sealing cover; when the movable cover is in a covering state, the limiting piece is driven by the movable cover to be separated from the sealing cover. Through the limiting structure, other people are prevented from mistakenly taking the cup for use or maliciously throwing objects, and drinking safety is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of daily necessities technology, and in particular to cup lids and cups. Background Technology

[0002] In the field of daily drinking utensils, cups, as an indispensable everyday item, have undergone continuous evolution in design and function to meet diverse user needs. The cup lid, as a crucial component for ensuring beverage hygiene and preventing leaks, directly impacts user experience and safety. Current cup designs often neglect the safety and hygiene of personal items; anyone can easily open the cup, posing a risk of unauthorized use or malicious disposal, potentially leading to the spread of disease and health damage. Utility Model Content

[0003] To improve upon at least some of the above-mentioned shortcomings or deficiencies, embodiments of this utility model provide a cup lid and a cup using the cup lid. By setting a specific limiting structure on the cup lid, when the movable lid is in the closed state, the limiting structure disengages from the sealing lid, preventing the mounting lid from engaging with the sealing lid. At this time, when the user rotates the movable lid and the mounting lid, the sealing lid will not rotate accordingly. The user cannot unscrew the sealing lid and the cup body, preventing others from mistakenly taking the cup for drinking or maliciously throwing things into it, thus ensuring the user's drinking safety.

[0004] On one hand, the present invention provides a cup lid, including a movable lid, a mounting lid, a sealing lid, and a limiting structure; the mounting lid is connected to the movable lid, and the movable lid can be in a closed state and an open state relative to the mounting lid; the sealing lid is located on the side of the mounting lid opposite to the movable lid and is connected to the mounting lid; the limiting structure is disposed on the mounting lid, and the limiting structure includes a limiting member, a first magnetic member, and a second magnetic member, one end of the limiting member is connected to the first magnetic member, and the other end of the limiting member passes through the sealing lid and the mounting lid in sequence and extends out of the mounting lid; the second magnetic member corresponds to the first magnetic member and is located on the side of the first magnetic member opposite to the limiting member, and the magnetic poles of the second magnetic member and the first magnetic member are the same at their respective close ends; wherein, when the movable lid is in the open state, the limiting member is engaged with the sealing lid under the action of the first magnetic member; when the movable lid is in the closed state, the limiting member is disengaged from the sealing lid under the action of the movable lid.

[0005] In one embodiment, the limiting member is provided with a limiting block, the sealing cover is provided with a receiving groove, the top of the receiving groove is provided with a plurality of fixed protrusions, and the plurality of fixed protrusions are spaced apart to form a plurality of fixed gaps; when the movable cover is in the open state, the limiting block is embedded in one of the plurality of fixed gaps.

[0006] In one embodiment, the limiting block includes a first limiting block and a second limiting block that are arranged opposite to each other and spaced apart, forming a limiting space between the first limiting block and the second limiting block. The first limiting block and the second limiting block are respectively provided with a first inclined surface on one side adjacent to the limiting space, and the plurality of fixed protrusions are respectively provided with a second inclined surface at one end adjacent to the bottom of the receiving groove. The first inclined surface and the second inclined surface correspond one-to-one.

[0007] In one embodiment, in the direction of movement of the limiting member, the maximum gap between the first magnetic member and the second magnetic member is greater than or equal to the maximum height of the plurality of fixed protrusions.

[0008] In one embodiment, the mounting cover has a guide post on the side adjacent to the sealing cover, the guide post has a through hole, and the side wall of the guide post has an opening that communicates with the through hole. The limiting member is connected in the through hole and is located at one end of the through hole adjacent to the movable cover. One end of the limiting member passes through the through hole, through the sealing cover and the mounting cover. The limiting block extends out of the guide post through the opening. The first magnetic element and the second magnetic element are disposed in the through hole.

[0009] In one embodiment, the cup lid further includes a fixing plate that is connected to the mounting cover and abuts against one end of the through hole near the sealing cover.

[0010] In one embodiment, the cup lid further includes a snap-fit ​​structure, which includes a first snap-fit ​​member and a second snap-fit ​​member. The first snap-fit ​​member is disposed inside the movable lid and is located on the side of the movable lid closer to the mounting lid. The second snap-fit ​​member is disposed on the mounting lid and is located on the side of the mounting lid closer to the movable lid. The second snap-fit ​​member corresponds to and matches the first snap-fit ​​member.

[0011] In one embodiment, the cup lid further includes a fingerprint panel and a main control circuit. The fingerprint panel is electrically connected to the main control circuit, and the main control circuit is connected to the snap-fit ​​structure. The fingerprint panel and the main control circuit are disposed inside the movable cover or the mounting cover, and the fingerprint panel is partially exposed outside the movable cover or the mounting cover.

[0012] In one embodiment, the inner wall of the mounting cover is provided with an annular groove, and the outer wall of the sealing cover is provided with an annular protrusion, the annular protrusion being embedded in the annular groove.

[0013] This utility model provides a cup, including a cup body and a cup lid, wherein the sealing cap of the cup lid is threadedly connected to the cup body.

[0014] As can be seen from the above, the technical features of this utility model can have one or more of the following beneficial effects: By setting a limiting member, a first magnetic member, and a second magnetic member on the cup lid, and their relative positional relationship, when the movable lid is in the closed state, the limiting member is disengaged from the sealing lid under the pressure of the movable lid, so that the mounting lid and the sealing lid are not locked together. At this time, when the user rotates the mounting lid and the movable lid, the sealing lid will not rotate with the mounting lid. Therefore, the user cannot unscrew the sealing lid and the cup body, preventing accidental use of other people's cups or malicious dumping of substances, and ensuring personal drinking safety. When the movable lid is in the open state, the limiting member is locked into the sealing lid under the action of the first magnetic member. At this time, when the user rotates the mounting lid and the movable lid, the sealing lid can rotate with the mounting lid. Therefore, the user can unscrew the sealing lid and the cup body to perform operations such as drinking water and filling water. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 An exploded view of the cup provided in this embodiment of the utility model.

[0017] Figure 2 for Figure 1 A cross-sectional view of the cup with the lid closed.

[0018] Figure 3 for Figure 2 A magnified schematic diagram of a portion of region A in the middle.

[0019] Figure 4 for Figure 1 A cross-sectional view of the cup with the lid open.

[0020] Figure 5 for Figure 4 A magnified schematic diagram of a portion of region B.

[0021] Figure 6 for Figure 1 A schematic diagram showing the relative positional relationship between the sealing cap and the limiting component of the cup lid.

[0022] Figure 7 for Figure 1 Another structural diagram of the sealing cap and limiting component of the cup lid.

[0023] Figure 8 for Figure 1 A schematic diagram of the limiting component in the diagram.

[0024] Figure 9 for Figure 1 A schematic diagram of the mounting cover.

[0025] Figure 10 This is a schematic diagram of another cup lid provided in an embodiment of the present utility model.

[0026] Figure 11 A schematic diagram of the circuit connection of the cup provided in this embodiment of the utility model.

[0027] Figure label:

[0028] 10. Cup body; 110. Straw; 20. Cup lid; 210. Movable lid; 220. Mounting lid; 221. Guide post; 2211. Through hole; 2212. Opening; 222. Fixing plate; 223. Annular groove; 230. Sealing cap; 231. Receiving groove; 232. Annular protrusion; 30. Limiting structure; 310. Limiting component; 311. Limiting block; 3111. First limiting block; 3112. Second limiting block; 312. Limiting space; 313. First inclined surface; 320. First magnetic component; 330. Second magnetic component; 40. Fixing protrusion; 410. Fixing gap; 420. Second inclined surface; 50. Buckle structure; 510. First buckle component; 520. Second buckle component; 60. Fingerprint panel; 70. Main control circuit. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] like Figure 1 and Figure 2 As shown, one embodiment of this utility model provides a cup. The cup can be, for example, a cup for holding water, or a cup for holding coffee, tea, or other liquids. The cup includes, for example, a cup body 10 and a lid 20. The cup body 10 and the lid 20 are connected, for example, by a threaded connection. The user can open the cup by unscrewing the lid 20. Furthermore, the cup may include a straw 110, one end of which is located inside the cup body 10, and the other end of which passes through the lid 20. After opening the lid 20, the user can drink water or the liquid contained in the cup body 10 through the straw 110.

[0031] Specifically, such as Figures 1 to 5As shown, the cup lid 20 includes a movable lid 210, a mounting lid 220, a sealing lid 230, and a limiting structure 30. The mounting lid 220 is connected to the movable lid 210, so the movable lid 210 can be in a closed state or an open state relative to the mounting lid 220. The sealing lid 230 is located on the side of the mounting lid 220 away from the movable lid 210 and is connected to the mounting lid 220. The limiting structure 30 is disposed on the mounting lid 220 and includes a limiting member 310, a first magnetic member 320, and a second magnetic member 330. One end of the limiting member 310 is connected to the first magnetic member 320, and the other end of the limiting member 310 passes through the sealing lid 230 and the mounting lid 220 in sequence and extends out of the mounting lid 220. The second magnetic member 330 corresponds to the first magnetic member 320 and is located on the side of the first magnetic member 320 away from the limiting member 310. The magnetic poles of the second magnetic member 330 and the first magnetic member 320 are the same at their closest points. When the movable cover 210 is in the open state, the limiting member 310 is engaged with the sealing cover 230 under the action of the first magnetic member 320; when the movable cover 210 is in the closed state, the limiting member 310 is disengaged from the sealing cover 230 under the action of the movable cover 210.

[0032] Specifically, the movable cover 210 and the mounting cover 220 are rotatably connected, for example, by a pivot hinge. The movable cover 210 can switch between the closed and open states by rotation. The second magnetic element 330 and the first magnetic element 320 are, for example, magnets. When the movable cover 210 is in the open state relative to the mounting cover 220, since the magnetic poles of the first magnetic element 320 and the second magnetic element 330 are the same at their closest ends, the first magnetic element 320 is subjected to the repulsive magnetic force between itself and the second magnetic element 330 and moves away from the second magnetic element 330. This causes the first magnetic element 320 to move the limiting element 310 away from the second magnetic element 330, thus engaging the sealing cover 230. At this time, the sealing cover 230 and the mounting cover 220 are in a locked state. When the user rotates the mounting cover 220 and the movable cover 210, the sealing cover 230 will rotate together with the mounting cover 220 and the movable cover 210 to open or tighten the cup lid 20, so that the user can fill the cup body 10 with water, clean the cup, or drink water.

[0033] When the movable cover 210 is in the closed state relative to the mounting cover 220, the limiting member 310 is pressed by the movable cover 210 and moves towards the sealing cover 230. During this process, the pressure on the limiting member 310 from the movable cover 210 is greater than the repulsive magnetic force between the first magnetic member 320 and the second magnetic member 330. Therefore, the limiting member 310 can be pressed towards the second magnetic member 330, thereby causing the limiting member 310 to disengage from the sealing cover 230 and releasing the locking state between the limiting member 310 and the sealing cover 230. That is, the limiting member 310 and the sealing cover 230 are in a non-locking state. At this time, when the user rotates the movable cover 210 and the mounting cover 220, the sealing cover 230 will not rotate with the mounting cover 220, making it impossible for the user to unscrew the sealing cover 230 and the cup body 10. This can prevent the user from using someone else's cup by mistake or maliciously throwing things into it, thus preventing the spread of diseases, increasing the safety of cup use, and preventing the cup from being used by others, ensuring the user's own drinking safety.

[0034] like Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, in one embodiment, the limiting member 310 is provided with a limiting block 311, and the sealing cover 230 is provided with a receiving groove 231, such as a circular groove. The top of the receiving groove 231 is provided with multiple fixing protrusions 40, which are spaced apart to form multiple fixing gaps 410. When the movable cover 210 is in the open state, the limiting member 310 is no longer under the pressure of the movable cover 210 and moves towards the top of the receiving groove 231 under the drive of the first magnetic member 320, causing the limiting block 311 to embed in one of the multiple fixing gaps 410, thus engaging the limiting member 310 with the fixing protrusion 40. When the movable cover 210 is in the closed state, the limiting member 310 is under the pressure of the movable cover 210 and moves towards the bottom of the receiving groove 231, causing the limiting block 311 to leave the fixing gap 410, and the limiting member 310 is no longer engaged with the fixing protrusion 40.

[0035] Furthermore, such as Figure 6 , Figure 7 and Figure 8 As shown, the limiting block 311 includes a first limiting block 3111 and a second limiting block 3112 that are opposite to each other and spaced apart, forming a limiting space 312 between the first limiting block 3111 and the second limiting block 3112. When the movable cover 210 is in the open state, the limiting member 310 moves, and one of the multiple fixed protrusions 40 is located in the limiting space 312. The first limiting block 3111 and the second limiting block 3112 will be located in any one of the multiple fixed gaps 410, which enhances the stability of the engagement between the limiting member 310 and the sealing cover 230.

[0036] Furthermore, the first limiting block 3111 and the second limiting block 3112 are respectively provided with a first inclined surface 313 on one side adjacent to the limiting space 312, and the multiple fixed protrusions 40 are respectively provided with a second inclined surface 420 at one end adjacent to the bottom of the receiving groove 231. The first inclined surface 313 and the second inclined surface 420 correspond one-to-one. During the opening of the movable cover 210, the limiting member 310 moves under the repulsive force between the first magnetic member 320 and the second magnetic member 330. The first inclined surface 313 will slide onto the second inclined surface 420. Through the relative angle and shape of the inclined surface design, the two achieve a smooth docking of the limiting member 310 with the limiting member 310, reducing the friction and resistance when the limiting member 310 moves and is embedded in the fixed gap 410, so that the limiting member 310 can be smoothly embedded in the fixed gap 410.

[0037] like Figure 3 and Figure 5 As shown, in one embodiment, in the direction of movement of the limiting member 310, the maximum gap between the first magnetic member 320 and the second magnetic member 330 is greater than or equal to the maximum height of the plurality of fixed protrusions 40. When the movable cover 210 is in the closed state, the limiting member 310 is pressed by the movable cover 210, causing the first magnetic member 320 to move toward the second magnetic member 330, thus reducing the gap between the first magnetic member 320 and the second magnetic member 330. When the movable cover 210 is in the open state, the first magnetic member 320 moves away from the second magnetic member 330, thus increasing the gap between the first magnetic member 320 and the second magnetic member 330; at this time, it is the maximum gap between the first magnetic member 320 and the second magnetic member 330. The heights of the plurality of fixed protrusions 40 may be the same or different. When the movable cover 210 switches from the open state to the closed state, the distance the limiting member 310 moves should be greater than or equal to the maximum height of the plurality of fixed protrusions 40 mentioned above, ensuring that the limiting member 310 can completely disengage from the fixed protrusions. The maximum gap between the first magnetic element 320 and the second magnetic element 330 can ensure that the limiting element 310 has enough room to move. The maximum gap is greater than or equal to the maximum height mentioned above, so that the limiting element 310 can completely detach from the fixed protrusion 40.

[0038] like Figure 3 , Figure 5 and Figure 9As shown, in one embodiment, the mounting cover 220 has a guide post 221 on the side adjacent to the sealing cover 230. The guide post 221 has a through hole 2211 and an opening 2212 on its sidewall, connecting to the through hole 2211. A limiting member 310 is connected within the through hole 2211 and located near one end of the movable cover 210. One end of the limiting member 310 passes through the through hole 2211, passing through the sealing cover 230 and the mounting cover 220. The limiting block 311 extends out of the guide post 221 through the opening 2212. A first magnetic member 320 and a second magnetic member 330 are disposed within the through hole 2211. The guide post 221 provides movement guidance for the limiting structure 30, i.e., it provides movement guidance for the limiting member 310, the first magnetic member 320, and the second magnetic member 330, and also ensures the correct positioning of the limiting structure 30 within the guide post 221. The limiting member 310, the first magnetic member 320, and the second magnetic member 330 can move within the through hole 2211 of the guide post 221. When the mounting cover 220 and the sealing cover 230 are connected, part of the guide post 221 will be located within the receiving groove 231. When the movable cover 210 is closed and the mounting cover 220 is rotated, the guide post 221 will rotate with the mounting cover 220 within the receiving groove 231. The end of the guide post 221 near the sealing cover 230 can abut against the bottom of the receiving groove 231, ensuring that the limiting structure 30 does not leave the guide post 221 and ensuring the effectiveness of the cup cover 20.

[0039] The cup lid 20 also includes a fixing plate 222, which is connected to the mounting cover 220 and abuts against the end of the through hole 2211 near the sealing cover 230, ensuring that the limiting structure 30 can be located inside the guide post 221 and will not fall out of the guide post 221 during use. The second magnetic component 330 may or may not be fixedly connected to the fixing plate 222.

[0040] like Figure 2 , Figure 4 As shown, in one embodiment, the cup lid 20 further includes a latching structure 50, which includes a first latching member 510 and a second latching member 520. The first latching member 510 is disposed inside the movable lid 210, located on the side of the movable lid 210 near the mounting lid 220; the second latching member 520 is disposed on the mounting lid 220, located on the side of the mounting lid 220 near the movable lid 210, and the second latching member 520 corresponds to and matches the first latching member 510. The movable lid 210 can be opened or closed by rotating the first latching member 510 or the second latching member 520. When the user needs to close the movable lid 210, the downward pressure of the movable lid 210 will cause the first latching member 510 to press against the second latching member 520, and ultimately the first latching member 510 and the second latching member 520 will engage.

[0041] like Figure 1 , Figure 10 , Figure 11 As shown, in one embodiment, the cup lid 20 further includes a fingerprint panel 60 and a main control circuit 70. The fingerprint panel 60 is electrically connected to the main control circuit 70, and the main control circuit 70 is connected to the latching structure 50. The fingerprint panel 60 and the main control circuit 70 are disposed inside the movable cover 210 or the mounting cover 220, with a portion of the fingerprint panel 60 exposed outside the movable cover 210 or the mounting cover 220. When a user needs to unlock the cup, the user places their finger on the fingerprint panel 60. The fingerprint panel recognizes the fingerprint of the person unlocking the cup. The main control circuit 70 determines whether to drive the control device to control the latching structure 50 based on the fingerprint recognized by the fingerprint panel 60. If the fingerprint is determined to be the same as the fingerprint of the cup owner, the main control circuit 70 drives the control device to control the latching structure 50 to open, allowing the user to use the cup and rotate the cup lid 20 normally. If the fingerprint is determined to be different from the fingerprint of the cup owner, the latching structure 50 remains closed, and the movable cover 210 is in the closed state. At this time, the mounting cover 220 and the sealing cover 230 are not engaged, and even if the cup lid 20 is rotated, the cup body 10 cannot be opened. Reference Figure 1 The fingerprint panel 60 and the main control circuit 70 are located inside the movable cover 210, with a portion of the fingerprint panel 60 exposed outside the movable cover 210. The main control circuit 70 is connected to the first latching member 510, and the main control circuit 70 controls the first latching member 510 to rotate within the movable cover 210 to engage or disengage the second latching member 520. (Refer to...) Figure 10 The fingerprint panel 60 and the main control circuit 70 are disposed inside the mounting cover 220, with a portion of the fingerprint panel 60 exposed outside the mounting cover 220. The main control circuit 70 is connected to the second latching member 520, and controls the second latching member 520 to rotate on the mounting cover 220 to engage or disengage the first latching member 510. Specifically, the main control circuit may include, for example, a controller such as an MCU, a motor, and other auxiliary components, to complete the automatic opening or closing function of the latching structure. The main control circuit here can, for example, adopt a mature circuit technology solution in the prior art, as long as it can realize the automatic opening or closing function of the latching structure, which will not be elaborated here.

[0042] like Figure 3 and Figure 5 As shown, in one embodiment, the inner wall of the mounting cover 220 is provided with an annular groove 223, and the outer wall of the sealing cover 230 is provided with an annular protrusion 232, which is embedded in the annular groove 223. When the movable cover 210 is in the closed state, the user rotates the mounting cover and the movable cover, and the annular groove 223 of the mounting cover 220 slides outside the annular protrusion 232.

[0043] In summary, the cup lid and cup provided by this utility model are equipped with a fingerprint panel 60 to recognize fingerprints. The main control circuit 70 determines whether to drive the control device to control the latching structure 50 to open or close the movable lid 210 based on the fingerprint recognized by the fingerprint panel 60. When the movable lid 210 is open, the limiting member 310 is engaged with the sealing lid 230 under the action of the first magnetic member 320, so that the sealing lid 230 can rotate together with the mounting lid 220 and the movable lid 210 to open or close the cup body 10. When the movable lid 210 is closed, the limiting member 310 is completely disengaged from the sealing lid 230 by the pressure of the movable lid 210, so that the mounting lid 220 and the sealing lid 230 are not engaged, and the sealing lid 230 will not rotate together with the mounting lid 220 and the movable lid 210, that is, the sealing lid 230 and the cup body 10 cannot be unscrewed, preventing users from accidentally taking the cup or maliciously throwing things into it, thus ensuring their own safety.

[0044] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that the embodiments of the utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0045] Furthermore, it is understood that the foregoing embodiments are merely illustrative examples of this utility model. Provided that the technical features do not conflict, the structure is not contradictory, and the inventive purpose of this utility model is not violated, the technical solutions of the various embodiments can be arbitrarily combined and used.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A cup lid (20), characterized in that, include: Movable cover (210); Mounting cover (220) is connected to the movable cover (210), and the movable cover (210) can be in a closed state and an open state relative to the mounting cover (220); A sealing cap (230) is located on the side of the mounting cap (220) opposite to the movable cap (210) and is connected to the mounting cap (220); as well as A limiting structure (30) is provided on the mounting cover (220). The limiting structure (30) includes a limiting member (310), a first magnetic member (320), and a second magnetic member (330). One end of the limiting member (310) is connected to the first magnetic member (320), and the other end of the limiting member (310) passes through the sealing cover (230) and the mounting cover (220) in sequence and extends out of the mounting cover (220). The second magnetic member (330) corresponds to the first magnetic member (320) and is located on the side of the first magnetic member (320) away from the limiting member (310). The magnetic poles of the second magnetic member (330) and the first magnetic member (320) are the same at their closest ends. When the movable cover (210) is in the open state, the repulsive magnetic force between the first magnetic component (320) and the second magnetic component (330) causes the limiting component (310) to engage with the sealing cover (230), so that the mounting cover (220) and the sealing cover (230) are in a locked state. When the movable cover (210) is in the closed state, the movable cover (210) presses the limiting member (310) to move the limiting member (310) toward the direction of the second magnetic member (330) to disengage from the sealing cover (230), so that the mounting cover (220) and the sealing cover (230) are in a non-locking state.

2. The cup lid (20) as described in claim 1, characterized in that, The limiting member (310) is provided with a limiting block (311), and the sealing cover (230) is provided with a receiving groove (231). The top of the receiving groove (231) is provided with a plurality of fixed protrusions (40), and the plurality of fixed protrusions (40) are spaced apart to form a plurality of fixed gaps (410). When the movable cover (210) is in the open state, the limiting block (311) is embedded in one of the plurality of fixed gaps (410).

3. The cup lid (20) as described in claim 2, characterized in that, The limiting block (311) includes a first limiting block (3111) and a second limiting block (3112) that are arranged opposite to each other and spaced apart. A limiting space (312) is formed between the first limiting block (3111) and the second limiting block (3112). A first inclined surface (313) is provided on the side of the first limiting block (3111) and the second limiting block (3112) adjacent to the limiting space (312). A second inclined surface (420) is provided on one end of the plurality of fixed protrusions (40) adjacent to the bottom of the receiving groove (231). The first inclined surface (313) and the second inclined surface (420) correspond one-to-one.

4. The cup lid (20) as described in claim 3, characterized in that, In the direction of movement of the limiting member (310), the maximum gap between the first magnetic member (320) and the second magnetic member (330) is greater than or equal to the maximum height of the plurality of fixed protrusions (40).

5. The cup lid (20) as described in any one of claims 2-4, characterized in that, The mounting cover (220) has a guide post (221) on one side adjacent to the sealing cover (230). The guide post (221) has a through hole (2211) and an opening (2212) on the side wall of the guide post (221). The opening (2212) communicates with the through hole (2211). The limiting member (310) is connected in the through hole (2211) and is located at one end of the through hole (2211) adjacent to the movable cover (210). One end of the limiting member (310) passes through the sealing cover (230) and the mounting cover (220) through the through hole (2211). The limiting block (311) extends out of the guide post (221) through the opening (2212). The first magnetic member (320) and the second magnetic member (330) are disposed in the through hole (2211).

6. A cup lid (20) as described in claim 5, characterized in that, The cup lid (20) also includes a fixing plate (222), which is connected to the mounting cover (220) and abuts against the end of the through hole (2211) near the sealing cover (230).

7. A cup lid (20) as described in claim 1, characterized in that, The cup lid (20) also includes a snap-fit ​​structure (50), which includes a first snap-fit ​​member (510) and a second snap-fit ​​member (520). The first snap-fit ​​member (510) is disposed inside the movable cover (210) and is located on the side of the movable cover (210) near the mounting cover (220). The second snap-fit ​​member (520) is disposed on the mounting cover (220) and is located on the side of the mounting cover (220) near the movable cover (210). The second snap-fit ​​member (520) corresponds to and matches the first snap-fit ​​member (510).

8. A cup lid (20) as described in claim 7, characterized in that, The cup lid (20) also includes a fingerprint panel (60) and a main control circuit (70). The fingerprint panel (60) is electrically connected to the main control circuit (70), and the main control circuit (70) is connected to the buckle structure (50). The fingerprint panel (60) and the main control circuit (70) are disposed inside the movable cover (210) or the mounting cover (220), and the fingerprint panel (60) is partially exposed outside the movable cover (210) or the mounting cover (220).

9. A cup lid (20) as described in claim 1, characterized in that, The inner wall of the mounting cover (220) is provided with an annular groove (223), and the outer wall of the sealing cover (230) is provided with an annular protrusion (232), which is embedded in the annular groove (223).

10. A cup, characterized in that, include: Cup body (10), and The cup lid (20) according to any one of claims 1-9, wherein the sealing cap (230) of the cup lid (20) is threadedly connected to the cup body (10).

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