Multifunctional bottle cap

Abstract

The utility model discloses a multifunctional bottle cap, including from top to bottom setting in proper order upper cover, middle cover and lower cover, the middle part of lower cover is provided with the liquid passage, and the lower of liquid passage is equipped with the connecting port for connecting the bottle body, and the inside of liquid passage is provided with the mounting disc, and the middle part of mounting disc is fixed with the valve post, and the upper of mounting disc is equipped with the liquid passage, the middle part of middle cover is equipped with the liquid outlet, and the liquid outlet is corresponded and is adapted to set up with the valve post upside and down, the inner top surface of middle cover is fixed with the mounting sleeve, and the mounting sleeve is located the below of liquid outlet, and the mounting sleeve is covered and is equipped with the outside of liquid passage and with the upper space of mounting disc forms a liquid storage cavity, and the upper end surface of middle cover is set up to set up to the upwards, and the upper end surface of middle cover is provided with a plurality of massage point positions. The utility model discloses through the linkage design of upper, middle, lower cover, realizes the quantitative liquid taking, and the upper cover is forced to press down the middle cover when closing, and constitutes the double insurance of preventing the mistake opening and leaking, and the top integrated massage point realizes the function unity of sealed liquid taking and skin care massage.

Description

Technical Field

[0001] This utility model relates to the field of daily necessities packaging technology, specifically to a multifunctional bottle cap. Background Technology

[0002] Currently, most bottle caps on the market for holding liquids have a single function, primarily sealing the bottle opening to prevent leakage or evaporation. When users need to dispense the liquid, they usually need to fully open the cap, which has the following drawbacks: 1. It's difficult to precisely control the liquid flow when pouring, easily leading to waste, especially for viscous or expensive liquids (such as serums, massage oils, etc.). 2. Repeatedly opening and closing the cap exposes the bottle opening and liquid to air, making them susceptible to contamination. 3. Traditional bottle caps mostly only have a sealing function and cannot meet users' additional needs such as massage after dispensing the liquid; users need to prepare additional massage tools, which is inconvenient. 4. When placed in a bag or during transportation, traditional screw caps or flip caps may loosen and open due to bumps, leading to liquid leakage. To address these issues, some improved bottle cap designs have emerged, such as caps with pump heads, but these are complex in structure, expensive, and still lack massage functionality. Therefore, there is an urgent need for a multi-functional bottle cap that integrates sealing, quantitative dispensing, accidental opening prevention, and massage functions, while also being simple in structure and inexpensive.

[0003] It should be noted that the above introduction to the technical background is only for the purpose of providing a clear and complete explanation of the technical solutions of this utility model and facilitating understanding by those skilled in the art. It should not be assumed that these technical solutions are known to those skilled in the art simply because they have been described in the background section of this utility model. Utility Model Content

[0004] To overcome the shortcomings of the prior art, the purpose of this utility model is to provide a multifunctional bottle cap.

[0005] To achieve the above and other related objectives, the technical solution provided by this utility model is: a multifunctional bottle cap, comprising an upper cap, a middle cap, and a lower cap arranged sequentially from top to bottom, wherein the middle cap and the lower cap are slidably engaged vertically; a liquid passage is provided in the middle of the lower cap, and a connection port for connecting to the bottle body is provided below the liquid passage, the inner wall of the connection port being provided with an internal thread capable of engaging with the bottle mouth of the bottle body; a mounting plate is provided inside the liquid passage, a valve column is fixed in the middle of the mounting plate, and a liquid outlet is provided on the mounting plate; The middle cover has a liquid outlet in its center, which is vertically aligned and fitted with the valve stem. A mounting sleeve is fixed to the inner top surface of the middle cover, located below the liquid outlet. The mounting sleeve is fitted over the liquid passage and forms a liquid storage chamber with the upper space of the mounting plate. When the middle cover moves upward, the valve stem moves away from the liquid outlet, opening it. When the middle cover moves downward, the valve stem blocks the liquid outlet, closing it. The up-and-down movement of the middle cover directly drives the valve stem to open and close the liquid outlet, achieving a one-button operation of "lift to open, press to close," providing an intuitive and convenient user experience. The liquid storage chamber allows for pre-storage and metered dispensing of liquid, effectively avoiding waste caused by traditional pouring methods, and is especially suitable for viscous or expensive liquids.

[0006] The upper surface of the cap is convex upwards and has several massage points. The convex shape is more ergonomic, making it easier to hold and apply pressure. The integrated massage points allow the cap to function as a massage tool while also providing a seal. Users can directly massage after dispensing the liquid, promoting absorption and relaxing the skin, thus achieving a balance between functionality and ease of use.

[0007] Furthermore, a limiting sleeve is fixed to the inner top surface of the middle cover. The limiting sleeve is located outside the mounting sleeve, and its outer wall has a circumferential limiting groove. A docking sleeve is provided on the outer side of the liquid passage, and the docking sleeve is fixed to the upper end surface of the lower cover. A circumferential limiting strip is provided on the inner wall of the docking sleeve, and the docking sleeve is located outside the limiting sleeve. The limiting strip is engaged in the limiting groove, and the two can move relative to each other axially. The length of the limiting groove in the axial direction of the limiting sleeve is matched with the distance that the middle cover can move up and down. The engaging fit between the limiting sleeve and the docking sleeve precisely limits the up and down stroke of the middle cover, preventing the middle cover from being excessively lifted and detached from the lower cover, or excessively pressed down and damaging the structure, thus improving the reliability and service life of the product. At the same time, this structure provides stable radial support for the movement of the middle cover, ensuring that the valve stem and the liquid outlet can always maintain precise alignment, resulting in a more reliable seal.

[0008] Furthermore, the inner wall of the outlet has an arc-shaped structure that is smaller at the top and larger at the bottom, and the upper structure of the valve stem is adapted to the inner structure of the outlet. This arc-shaped structure allows for surface contact sealing when the valve stem closes the outlet, resulting in a better sealing effect compared to line or point seals, effectively preventing liquid leakage. Simultaneously, this structure provides good guidance when the valve stem enters the outlet, ensuring a smooth and fluid closing action, and can squeeze out residual droplets upon contact, providing a certain degree of self-cleaning function.

[0009] Furthermore, the lower cover has at least one mounting slot along its circumference on its side, and the middle cover has a mounting buckle corresponding to the mounting slot along its circumference on its side. The middle cover engages with the mounting slot of the lower cover via the mounting buckle. The cooperation between the mounting buckle and the mounting slot enables quick assembly and connection of the middle cover and the lower cover, while completely preventing relative rotation between the two covers. This ensures that the direction of the liquid outlet is fixed during use, improving operational stability and user experience.

[0010] Furthermore, a support platform is provided on the side of the middle cover, located above the mounting buckle. When the upper cover is closed, the support platform provides an internal fulcrum for the upper cover, allowing the closing force of the upper cover to be effectively transmitted to the entire middle cover, thereby ensuring that the middle cover is stably pressed into the closed position and further enhancing the reliability of the seal.

[0011] Furthermore, the massage points are massage bumps evenly covering the upper surface of the middle cover, or massage rollers evenly distributed around the liquid outlet. The massage bumps have a simple structure and low cost, and can provide obvious acupoint stimulation; the massage rollers can bring a smoother rolling massage experience, meet different user preferences, and broaden the applicable scenarios of the product.

[0012] Furthermore, the upper cover is flip-up and connected to one side of the lower cover, with the lower end of the upper cover fitting into the upper end of the lower cover. When the upper and lower covers are closed, the inner top surface of the upper cover abuts against the upper top surface of the middle cover. When the upper cover is closed, its inner top surface actively presses down on the middle cover, forming a forced-closure mechanism. This effectively avoids the risk of leakage caused by the user forgetting to press down the middle cover or by the middle cover popping open due to transportation bumps, providing double insurance and greatly improving the product's leak-proof performance.

[0013] Furthermore, the upper cover and the lower cover are connected by a bendable connecting plate; a first locking strip is provided on the inner side wall of the upper cover, and the first locking strip and the connecting plate are respectively located on both sides of the upper cover; a second locking strip is provided on the outer side wall of the lower cover, and the second locking strip and the connecting plate are respectively located on both sides of the lower cover; the second locking strip is correspondingly provided with the first locking strip and can be detachably locked in place. The connecting plate realizes the integrated connection between the upper cover and the bottle cap body, avoiding the problem of the upper cover being lost. The locking structure of the first locking strip and the second locking strip ensures that the upper cover can be firmly locked when closed, preventing it from automatically popping open due to accidental impact or vibration, and ensuring safety during carrying and transportation.

[0014] Furthermore, a protruding plate is provided along the lower edge of the top cover, located on the outer side wall corresponding to the first locking strip. The protruding plate provides the user with a clear point of application, making it easier and more convenient to open the tightly latched top cover, especially suitable for users with short nails or weak hands, thus improving the product's usability and user-friendly design.

[0015] Furthermore, the mounting plate has multiple liquid passages evenly distributed around the valve stem. These multiple evenly distributed liquid passages provide a sufficient and balanced liquid flow cross-section, ensuring that the liquid can quickly and smoothly fill the reservoir, reducing waiting time during use, and avoiding clogging problems that may occur due to a single port being too small.

[0016] Furthermore, the upper end of the liquid passage is funnel-shaped, and the funnel-shaped opening slides and seals against the inner wall of the mounting sleeve. This sliding seal ensures that the liquid storage chamber remains isolated from the rest of the bottle, regardless of whether the inner cap is open or closed. This allows the liquid storage chamber to form an independent pump structure, drawing in liquid when lifted and precisely discharging it from the outlet when pressed down, achieving reliable quantitative liquid dispensing and preventing liquid backflow and contamination.

[0017] Due to the application of the above technical solution, the beneficial effects of this utility model compared with the prior art are as follows: 1. This utility model allows for the opening and closing of the liquid outlet through a simple lifting and pressing action of the middle cover, making the operation intuitive and convenient. The liquid enters the storage chamber from the bottle body through the liquid inlet of the mounting plate, and is then squeezed out from the liquid outlet of the middle cover. The volume of the storage chamber is fixed, thereby achieving quantitative or controllable liquid dispensing and avoiding waste.

[0018] 2. The valve stem and the liquid outlet of this utility model adopt a matching arc surface structure for tight fit, resulting in good sealing effect; at the same time, when the upper cover is closed, it will press down the middle cover to ensure that the valve stem is always in the closed state, forming a double insurance to effectively prevent leakage during transportation or carrying.

[0019] 3. The massage protrusions or massage rollers on the upper surface of the middle cover of this utility model allow users to directly perform acupressure massage while applying liquid, making it a multi-purpose product that enhances the added value of the product and the user experience.

[0020] 4. This utility model prevents relative rotation between the middle cover and the lower cover by using mounting buckles and mounting positions, ensuring smooth operation; the cooperation between the limiting sleeve and the docking sleeve limits the stroke of the middle cover, making the movement process stable and reliable.

[0021] 5. Although the bottle cap structure of this utility model has multiple functions, it has few parts, is simple to assemble, is suitable for large-scale industrial production, and has controllable costs. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the multifunctional bottle cap structure (massage convex bulge) of this utility model. Figure 2 This is a schematic diagram of the upper and lower cover structures of this utility model; Figure 3 This is a schematic diagram of the internal structure of the middle cover and the lower cover of this utility model; Figure 4 This is a schematic diagram of the middle cover structure of this utility model; Figure 5 This is a schematic diagram of the structure of the multifunctional bottle cap (massage ball) of this utility model. In the above attached figures, 1. Top cover; 11. First retaining strip; 12. Protruding plate; 13. Connecting plate; 2. Middle cover; 21. Liquid outlet; 22. Mounting sleeve; 23. Limiting sleeve; 231. Limiting groove; 24. Mounting buckle; 25. Support platform; 26. Massage protrusion; 27. Massage ball; 3. Bottom cover; 31. Liquid passage; 311. Flared mouth; 32. Connection port; 321. Internal thread; 33. Mounting plate; 331. Liquid outlet; 34. Valve column; 35. Connecting sleeve; 351. Limiting strip; 36. Mounting slot; 37. Second locking strip. Detailed Implementation

[0023] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0024] It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0027] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0028] Example: See appendix Figure 1 Or attached Figure 5 As shown, the multifunctional bottle cap provided by this utility model is mainly composed of three parts: an upper cap 1, a middle cap 2, and a lower cap 3.

[0029] See appendix Figure 2 and attached Figure 3 As shown, the lower cover 3 is the base of the entire bottle cap, with a columnar liquid passage 31 in its middle. The lower end of the liquid passage 31 has a connection port 32, the inner wall of which is machined with internal threads 321 for screwing into the bottle neck (not shown). A mounting plate 33 is fixed inside the liquid passage 31, and a valve stem 34 is fixedly fixed upwards from the middle of the mounting plate 33. The mounting plate 33 has multiple (usually 3 to 4) evenly distributed liquid passages 331 surrounding the valve stem 34, serving as a channel for liquid to enter the bottle cap from the bottle body. The upper end of the liquid passage 31 is preferably designed as a flared opening 311. A ring of mating sleeves 35 is also fixed to the upper surface of the lower cover 3, with circumferential limiting strips 351 on its inner wall. Two symmetrical mounting slots 36 are provided on the side of the lower cover 3.

[0030] See appendix Figure 3 and attached Figure 4As shown, the middle cover 2 is engaged with the mounting slot 36 of the lower cover 3 via two symmetrical mounting buckles 24 on its side, allowing the middle cover 2 to slide up and down relative to the lower cover 3 with a certain stroke, but it cannot rotate. A liquid outlet 21 is provided in the middle of the middle cover 2, and its inner wall has an arc-shaped structure that is smaller at the top and larger at the bottom, which matches the arc-shaped structure at the upper end of the valve stem 34 to achieve guidance and sealing. A mounting sleeve 22 and a limiting sleeve 23 are fixed to the inner top surface of the middle cover 2. The mounting sleeve 22 is located below the liquid outlet 21, and its inner diameter matches the outer diameter of the flared opening 311 at the upper end of the liquid passage 31 of the lower cover 3, forming a sliding seal. The inner cavity of the mounting sleeve 22 and the space above the mounting plate 33 together form a liquid storage cavity. The limiting sleeve 23 is located outside the mounting sleeve 22, and its outer wall has a circumferential limiting groove 231. The mating sleeve 35 of the lower cover 3 is fitted on the outside of the limiting sleeve 23, and the limiting strip 351 on its inner wall is inserted into the limiting groove 231. The axial length of the limiting groove 231 determines the maximum stroke that the middle cover 2 can move up and down.

[0031] The upper surface of the middle cover 2 bulges upward and has multiple massage points evenly distributed on it. These massage points can be massage protrusions 26 evenly covering the upper surface of the middle cover 2. (See attached diagram.) Figure 1 As shown; alternatively, massage rollers 27 can be evenly distributed around the liquid outlet 21, see attached diagram. Figure 5 As shown, a support platform 25 is also provided on the side of the middle cover 2 and above the mounting buckle 24.

[0032] The upper cover 1 is connected to one side of the lower cover 3 via a bendable connecting plate 13. The bendable connecting plate 13 can be a thin plastic sheet with a crease in the middle, as shown in the attached image. Figure 2 As shown. The inner wall of the upper cover 1 is provided with a first retaining strip 11, and the corresponding position on the outer wall of the lower cover 3 is provided with a second retaining strip 37. When the upper cover 1 is closed, the first retaining strip 11 and the second retaining strip 37 are engaged and fixed, and at the same time, the inner top surface of the upper cover 1 will press against the massage protrusion 26 of the middle cover 2, thereby forcing the middle cover 2 into a pressed state, ensuring that the valve column 34 closes the liquid outlet 21. The lower edge of the upper cover 1 is also provided with a protrusion 12, which makes it convenient for the user to pry open the upper cover 1 with their fingers.

[0033] To ensure structural strength, sealing performance, and ease of assembly, the upper cover 1, middle cover 2, and lower cover 3 are all integrally molded using injection molding. Specifically, the upper cover 1, its first retaining strip 11, and the protruding plate 12 are integral structures; the middle cover 2, its mounting sleeve 22, limiting sleeve 23, and liquid outlet 21 are integral structures; and the lower cover 3, its liquid passage 31, mounting plate 33, and valve stem 34 are integral structures. This integral structural design fundamentally improves the overall structural strength, sealing reliability, and hygiene of the product. It eliminates gaps, loosening, and leakage points that may occur during the assembly of multiple parts, ensuring the long-term stable operation of the core valve stem sealing system. At the same time, this design simplifies the assembly process, significantly reducing production costs and failure rates.

[0034] Working principle: Liquid dispensing state: When the user lifts the middle cover 2 upwards, the middle cover 2 moves the mounting sleeve 22 and the limiting sleeve 23 upwards, and the valve column 34 exits from the liquid outlet 21, opening the liquid outlet 21. At the same time, the volume of the liquid storage chamber increases, and the liquid in the bottle enters the liquid storage chamber from the lower part of the liquid passage 31 through the liquid outlet 331 on the mounting plate 33. The way the liquid enters the lower part of the liquid passage 31 is existing technology and will not be described in detail here.

[0035] Closed and sealed state: When the user presses down on the middle cover 2, the middle cover 2 moves down, reducing the volume of the liquid storage chamber. Liquid is squeezed out from the outlet 21, and the valve stem 34 re-inserts and seals the outlet 21. At this time, because the outlet 21 is closed and the mounting sleeve 22 and the flared mouth 311 remain sealed, the liquid in the chamber cannot flow back, preparing for the next liquid extraction. When the upper cover 1 is closed, it will further press down on the middle cover 2 to strengthen the seal and lock the upper cover to prevent accidental opening.

[0036] Massage function: After taking the liquid, the user can directly apply and massage it on the skin using the upper surface of the middle cover 2 with massage bumps 26 or massage balls 27.

[0037] This utility model provides a multi-functional bottle cap that achieves a balance of ease of operation, reliable sealing, and diverse functions through an innovative three-layer, split, and linked structure. The linear motion of the middle cap directly drives the valve to open and close the liquid outlet, enabling precise one-button control for "lift to open, press to close." Combined with the resulting quantitative liquid storage chamber, it effectively avoids liquid waste caused by traditional pouring methods. Regarding sealing, the adaptable arc-shaped structure of the valve and the liquid outlet ensures the tightness of the core sealing point. Simultaneously, the upper cap forcibly presses down the middle cap when closed, forming a double safety barrier against accidental opening and leakage, ensuring safety and reliability. Furthermore, the bottle cap creatively integrates a massage bump or ball bearing into the top of the middle cap, adding massage and skincare benefits to the product beyond basic sealing and dispensing functions, achieving multiple uses in one product. All core components are manufactured using a one-piece injection molding process. This design not only greatly improves structural strength and avoids leakage risks caused by assembly gaps but also simplifies the production process and reduces overall costs.

[0038] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They cannot be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.

Claims

1. A multifunctional bottle cap, characterized in that, It includes an upper cover (1), a middle cover (2) and a lower cover (3) arranged sequentially from top to bottom, wherein the middle cover (2) and the lower cover (3) are engaged vertically; The lower cover (3) has a liquid passage (31) in the middle, and a connection port (32) for connecting the bottle body is provided below the liquid passage (31). An installation plate (33) is provided inside the liquid passage (31), and a valve column (34) is fixed in the middle of the installation plate (33). A liquid outlet (331) is opened on the installation plate (33). The middle cover (2) has a liquid outlet (21) in the middle, and the liquid outlet (21) is corresponding to and adapted to the valve column (34) vertically; the inner top surface of the middle cover (2) is fixed with an installation sleeve (22), the installation sleeve (22) is located below the liquid outlet (21), the installation sleeve (22) is sleeved on the outside of the liquid passage (31) and forms a liquid storage cavity with the upper space of the installation plate (33); When the middle cover (2) moves upward, the valve stem (34) moves away from the liquid outlet (21), and the liquid outlet (21) is in an open state; when the middle cover (2) moves downward, the valve stem (34) blocks the liquid outlet (21), and the liquid outlet (21) is in a closed state; The upper end of the middle cover (2) is bulging upwards, and the upper end of the middle cover (2) is provided with a number of massage points.

2. The multifunctional bottle cap according to claim 1, characterized in that: The inner top surface of the middle cover (2) is also fixed with a limiting sleeve (23). The limiting sleeve (23) is located outside the mounting sleeve (22). The outer wall of the limiting sleeve (23) is provided with a circumferential limiting groove (231). A docking sleeve (35) is provided on the outside of the liquid passage (31). The docking sleeve (35) is fixed on the upper end surface of the lower cover (3). A circumferential limiting strip (351) is provided on the inner wall of the docking sleeve (35). The docking sleeve (35) is located on the outside of the limiting sleeve (23). The limiting strip (351) is engaged in the limiting groove (231) and the two can move relative to each other along the axial direction. The length of the limiting groove (231) in the axial direction of the limiting sleeve (23) is matched with the distance that the middle cover (2) can move up and down.

3. A multifunctional bottle cap according to claim 1, characterized in that: The inner wall of the outlet (21) is an arc-shaped structure with a smaller upper part and a larger lower part, and the upper structure of the valve stem (34) is adapted to the inner structure of the outlet (21).

4. A multifunctional bottle cap according to claim 1, characterized in that: The lower cover (3) has at least one mounting slot (36) on its side along its circumference, and the middle cover (2) has a mounting buckle (24) on its side along its circumference that corresponds to the mounting slot (36). The middle cover (2) is engaged with the mounting slot (36) of the lower cover (3) by the mounting buckle (24).

5. A multifunctional bottle cap according to claim 4, characterized in that: The side of the middle cover (2) is provided with a support platform (25), which is located at the upper end of the mounting buckle (24).

6. A multifunctional bottle cap according to claim 1, characterized in that: The massage points are massage protrusions (26) that are evenly covered on the upper surface of the middle cover (2), or massage rollers (27) that are evenly distributed around the liquid outlet (21).

7. A multifunctional bottle cap according to claim 1, characterized in that: The upper cover (1) is flip-connected to one side of the lower cover (3), and the lower end of the upper cover (1) is adapted to the upper end of the lower cover (3); when the upper cover (1) and the lower cover (3) are in a closed state, the inner top surface of the upper cover (1) abuts against the upper top surface of the middle cover (2).

8. A multifunctional bottle cap according to claim 1, characterized in that: The upper cover (1) and the lower cover (3) are connected by a bendable connecting plate (13); A first locking strip (11) is provided on the inner side wall of the upper cover (1), and the first locking strip (11) and the connecting plate (13) are respectively located on both sides of the upper cover (1); A second locking strip (37) is provided on the outer side wall of the lower cover (3), and the second locking strip (37) and the connecting plate (13) are respectively located on both sides of the lower cover (3); The second card strip (37) is configured to correspond to the first card strip (11) and can be detachably snapped into place.

9. A multifunctional bottle cap according to claim 8, characterized in that: The lower edge of the upper cover (1) is provided with a protruding plate (12), which is located on the outer side wall corresponding to the first card strip (11).

10. A multifunctional bottle cap according to claim 1, characterized in that: The mounting plate (33) has multiple liquid inlets (331) that are evenly distributed around the valve stem (34).

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