Pull-out dual-stage liquid outlet structure assembly and container

Abstract

The application relates to a pull-type double-grade liquid outlet structure assembly and a container. Through cooperation of an upper cover and an inner plug, a pull-type double-grade liquid outlet effect is realized. The pull-type double-grade liquid outlet structure assembly can be integrated on a single packaging structure, can be intuitively, quickly and reliably switched between at least two liquid outlet modes without replacing parts, can simultaneously meet the dual requirements of precise daily use and efficient intensive care, and can improve the convenience, economy and functionality of product use. Only the sizes of the first liquid outlet and / or the second liquid outlet need to be adjusted to realize liquid outlet quantity adjustment, so the pull-type double-grade liquid outlet structure assembly has the advantages of wide adaptability and is suitable for skin care products such as essence liquid and essential oil and is also suitable for the fields of washing and care. The pull-type double-grade liquid outlet structure assembly has the advantages of simple structure, convenient assembly and convenient application, can be completed by simply assembling two parts, has high production efficiency and low production cost, can be conveniently installed at a bottle opening of a bottle body, and is suitable for application of various different specifications of bottle bodies.

Description

Technical Field

[0001] This application relates to the field of liquid dispensing structures, and in particular to pull-out dual-stage liquid dispensing structure components and containers. Background Technology

[0002] Serums and essential oils, as highly concentrated and active core skincare products, are widely used, but different skincare scenarios have drastically different requirements for the amount of serum used.

[0003] In daily skincare routines, users typically only need a small amount of serum to apply to their face. Precise and controllable dosage avoids waste and ensures that the active ingredients are absorbed efficiently without excessive waste.

[0004] In intensive repair scenarios, such as localized wet compresses, spa treatments, or mask base application, users need a larger liquid output to fully saturate the cotton pad or meet the single-use requirements, achieving deep nourishment and intensive repair effects.

[0005] However, traditional packaging containers for serums and essential oils typically only dispense a fixed amount of product, regardless of usage. This fixed dispensing volume forces users to compromise in both daily use and special care scenarios like applying a mask. The design either results in a small dispensing volume, requiring multiple pours to obtain a large quantity, which is cumbersome, or a large dispensing volume, easily leading to waste during daily use. For higher-priced skincare products, this significantly increases long-term costs. Utility Model Content

[0006] Therefore, it is necessary to provide a pull-out dual-stage liquid outlet structure component and container.

[0007] One embodiment of this application is a pull-out dual-stage liquid outlet structure assembly, which includes an upper cover and an inner plug;

[0008] The upper cover is pull-outly disposed on the inner plug so that, under stress, the pull-out dual-stage liquid outlet structure assembly can switch between a first state and a second state.

[0009] The upper cover is provided with a main liquid outlet, and the inner plug is provided with a first liquid outlet and a second liquid outlet that are connected to each other.

[0010] In the first state, the upper cover cooperates with the inner plug to seal the second liquid outlet;

[0011] In the second state, an adjustment cavity is formed between the upper cover and the inner plug, and the adjustment cavity is connected to the second liquid outlet.

[0012] The aforementioned pull-out dual-dispensing structure component, through the cooperation of the top cover and inner plug, achieves a pull-out dual-dispensing effect. It can be integrated into a single packaging structure, allowing for intuitive, quick, and reliable switching between at least two dispensing modes without replacing any parts. This simultaneously meets the dual needs of precise daily use and efficient intensive care, improving the product's convenience, economy, and functionality. Furthermore, adjusting the size of the first and / or second dispensing ports allows for adjustment of the dispensing volume, making it highly adaptable. It is suitable not only for skincare products such as serums and essential oils but also for washing and other care applications. Finally, the pull-out dual-dispensing structure component is simple in structure, easy to assemble, and convenient to use. It requires only two parts for simple assembly, resulting in high production efficiency and low production costs. It can also be easily installed at the bottle opening, making it suitable for various bottle sizes.

[0013] As an example, the inner plug is configured to be installed at the bottle opening and to be sealed to the bottle opening.

[0014] In some embodiments, the throughput area of ​​the first outlet is smaller than that of the second outlet.

[0015] In some embodiments, the top cover includes a cover body and a flow guide nozzle connected to the cover body, the flow guide nozzle being provided with the main liquid outlet;

[0016] The cover is retractably mounted on the inner plug;

[0017] In the first state, the cover and the inner plug cooperate to seal the second liquid outlet;

[0018] In the second state, the adjustment cavity is formed between the cover and the inner plug.

[0019] In some embodiments, the cover is provided with a plug portion that is inserted into a slot of the inner plug;

[0020] The upper cover has an inner support ring on the inner side of the insertion part and an outer limiting ring on the outer side of the insertion part, so that it can be in close contact with the inner plug through the inner support ring and the outer limiting ring, and limit the relative position of the upper cover and the inner plug under stress.

[0021] In some embodiments, the flow guide nozzle has a flow guide shape along its outer periphery or a flow guide shape at a predetermined single location; or,

[0022] The cover and the flow guide nozzle are integrally formed; or...

[0023] The outer periphery of the cover is provided with a force-bearing part.

[0024] In some embodiments, the inner plug is provided with a connected body and an outlet structure;

[0025] The main body is configured to be installed at the bottle opening and to be sealed to the bottle opening;

[0026] The outlet structure has a first liquid outlet and a second liquid outlet that are connected to each other;

[0027] In the first state, the upper cover abuts against the outlet structure to seal the second liquid outlet;

[0028] In the second state, the adjustment cavity is formed between the top cover and the outlet structure.

[0029] In some embodiments, the outlet structure includes a connected protrusion and a connecting portion, the connecting portion being connected to the body;

[0030] In the first state, the outer periphery of the protrusion abuts against the upper cover to form a large sealing position, so as to cooperate in sealing the second liquid outlet;

[0031] The top of the protrusion is provided with the first liquid outlet, and the side of the protrusion is provided with a flow-limiting port that communicates with the first liquid outlet.

[0032] The connecting part is provided with a second liquid outlet or the second liquid outlet is formed between adjacent connecting parts.

[0033] In some embodiments, the inner plug is further provided with a baffle portion connected to the body, and a slot is formed between the baffle portion and the body for the insertion portion of the upper cover to be inserted into the slot;

[0034] At least one of the enclosure portion or the body has an inner plug upper limit ring and an inner plug lower limit ring protruding in the slot to make close contact with the upper cover and to limit the relative position of the upper cover and the inner plug under stress.

[0035] In some embodiments, the outer periphery of the body is provided with a sealing outer peripheral surface, and the body is configured to be sealed to the bottle opening via the sealing outer peripheral surface; or...

[0036] The outer periphery of the body is provided with a sealing protrusion ring. In the first state, the upper cover abuts against the sealing protrusion ring to form a piston sealing position.

[0037] In some embodiments, a container includes a bottle body and a pull-out dual-discharge structure assembly as described in any embodiment;

[0038] The inner plug of the pull-out dual-stage liquid dispensing structure assembly is sealed at the bottle opening.

[0039] In some embodiments, the container further includes an outer cap that covers the upper cover of the pull-out dual-discharge structure assembly to seal the outlet of the upper cover. Attached Figure Description

[0040] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0041] Figure 1 This is a schematic diagram of an embodiment of the pull-out dual-stage liquid outlet structure assembly described in this application.

[0042] Figure 2 for Figure 1 An exploded view of one direction of the embodiment shown.

[0043] Figure 3 for Figure 2 Another schematic diagram of the embodiment shown.

[0044] Figure 4 for Figure 3 Another schematic diagram of the embodiment shown.

[0045] Figure 5 for Figure 4 A schematic diagram of the inner plug in another direction in the embodiment shown.

[0046] Figure 6 for Figure 4 Another schematic diagram of the embodiment shown.

[0047] Figure 7 for Figure 6 Another schematic diagram of the embodiment shown.

[0048] Figure 8 for Figure 7 The schematic diagram of the AA direction of the embodiment shown shows the pull-out dual-stage liquid outlet structure component in the first state.

[0049] Figure 9 for Figure 8 The diagram shows the usage state of the embodiment, in which the pull-out dual-stage liquid outlet structure component is in the second state.

[0050] Figure 10 for Figure 9The illustrated embodiment is a structural diagram before assembly.

[0051] Figure 11 This is a schematic diagram of the structure of an embodiment of the container described in this application.

[0052] Figure 12 This is a schematic diagram of another embodiment of the container described in this application.

[0053] Reference numerals: Pull-out dual-discharge structure assembly 100, top cover 200, inner plug 300, bottle body 400, outer cover 500, container 600, adjusting chamber 101, cover body 210, insertion part 211, force receiving part 212, guide nozzle 220, main outlet 221, inner support ring of top cover 230, outer limiting ring of top cover 240, body 310, sealing outer peripheral surface 311, outlet structure 320, first outlet 321, second outlet 322, protrusion 323, connecting part 324, flow limiting port 325, enclosure part 330, slot 331, large-gear sealing position 340, piston sealing position 350, upper limit ring of inner plug 360, lower limit ring of inner plug 370, sealing protrusion ring 380, deformation receiving groove 390, bottle mouth 410. Detailed Implementation

[0054] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0055] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0056] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0057] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0058] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0059] This application discloses a pull-out dual-stage liquid dispensing structure assembly and container, which includes some or all of the technical features of the following embodiments; that is, the pull-out dual-stage liquid dispensing structure assembly or the container includes some or all of the following structures. In one embodiment of this application, a pull-out dual-stage liquid dispensing structure assembly includes an upper cover and an inner plug; the upper cover is pullably disposed on the inner plug so that, under stress, the pull-out dual-stage liquid dispensing structure assembly can switch between a first state and a second state; the upper cover has a liquid outlet, and the inner plug has a first liquid outlet and a second liquid outlet that are connected; in the first state, the upper cover and the inner plug cooperate to close the second liquid outlet; in the second state, an adjustment cavity is formed between the upper cover and the inner plug, and the adjustment cavity is connected to the second liquid outlet. The aforementioned pull-out dual-dispensing structure component, through the cooperation of the top cover and inner plug, achieves a pull-out dual-dispensing effect. It can be integrated into a single packaging structure, allowing for intuitive, quick, and reliable switching between at least two dispensing modes without replacing parts. This simultaneously meets the dual needs of precise daily use and efficient intensive care, improving the product's convenience, economy, and functionality. Furthermore, adjusting the size of the first and / or second dispensing ports allows for adjustment of the dispensing volume, making it highly adaptable. It is suitable not only for skincare products such as serums and essential oils but also for washing and other care applications. Moreover, the pull-out dual-dispensing structure component is simple in structure, easy to assemble, and convenient to use. It requires only two parts for simple assembly, resulting in high production efficiency and low production costs. It can also be easily installed at the bottle opening, suitable for various bottle sizes. The following section will discuss... Figures 1 to 12The pull-out dual-stage liquid outlet structure component is described in detail below.

[0060] In some embodiments, a pull-out dual-stage liquid outlet structure assembly 100 is as follows: Figure 1 As shown, it includes an upper cover 200 and an inner plug 300; combined Figure 8 and Figure 9 The upper cover 200 is pullably disposed on the inner plug 300 so that, under stress, the pull-out dual-stage liquid outlet structure assembly 100 can switch between a first state and a second state; combined with Figure 2 and Figure 3 The upper cover 200 is provided with a main liquid outlet 221, and the inner plug 300 is provided with a first liquid outlet 321 and a second liquid outlet 322 that are connected to each other; Figure 8 As shown, in the first state, the upper cover 200 and the inner plug 300 cooperate to close the second liquid outlet 322. In this state, the liquid output of the pull-out dual-stage liquid outlet structure assembly 100 is relatively small; Figure 9 As shown, in the second state, an adjustment cavity 101 is formed between the upper cover 200 and the inner plug 300, and the adjustment cavity 101 is connected to the second liquid outlet 322.

[0061] This structural design, through the cooperation of the upper cover 200 and the inner plug 300, achieves a pull-out dual-dispensing effect. It can be integrated into a single packaging structure, allowing for intuitive, quick, and reliable switching between at least two dispensing modes without replacing parts. This simultaneously meets the dual needs of precise daily use and efficient intensive care, improving the product's convenience, economy, and functionality. Furthermore, adjusting the size of the first dispensing port 321 and / or the second dispensing port 322 adjusts the dispensing volume of the pull-out dual-dispensing component 100, thus offering wide adaptability. It is suitable not only for skincare products such as serums and essential oils but also for washing and care applications. Finally, the pull-out dual-dispensing component 100 is simple in structure, easy to assemble, and convenient to use. It requires only two parts for simple assembly, resulting in high production efficiency and low production costs. Figure 11 and Figure 12 As shown, the pull-out dual-stage liquid dispensing structure assembly 100 can also be easily installed at the bottle mouth 410 of the bottle body 400, suitable for various sizes of bottle bodies 400.

[0062] In some of these embodiments, such as Figure 2 and Figure 3As shown, the passing area of ​​the first liquid outlet 321 is smaller than the passing area of ​​the second liquid outlet 322. In other embodiments, the passing area of ​​the first liquid outlet 321 may also be equal to or greater than the passing area of ​​the second liquid outlet 322. In the first state, the second liquid outlet 322 is closed, and the pull-out dual-stage liquid outlet structure component 100 outputs liquid to the guide nozzle 220 only through the first liquid outlet 321 to achieve the design function of small-volume output; while in the second state, the second liquid outlet 322 opens the guide nozzle 220, and the pull-out dual-stage liquid outlet structure component 100 outputs liquid to the guide nozzle 220 through both the first liquid outlet 321 and the second liquid outlet 322 to achieve the design function of large-volume output.

[0063] This design optimizes the differentiation of the dispensing levels in the pull-out dual-dispensing structure component 100. By clearly defining the flexible matching relationship between the first dispensing port 321 and the second dispensing port 322 in terms of their passing area, it supports both situations where the passing area of ​​the first dispensing port 321 is smaller than that of the second dispensing port 322, and situations where both are equal or the former is larger than the latter. This allows for precise matching of dispensing volume requirements in different scenarios. When the passing area of ​​the first dispensing port 321 is smaller, a small amount is dispensed through this port in the first state, which can meet the needs of daily scenarios with high dosage control requirements, such as precise application of serums and localized treatments with essential oils. In the second state, both ports dispense a large amount of liquid, which can also be adapted to the rapid dispensing of washing products such as shampoos and shower gels, or the intensive application of mask essences in high-efficiency care scenarios, making the dual needs of precise daily use and high-efficiency intensive care more concrete. On the other hand, the above design enhances functional reliability while maintaining structural simplification. By employing a clear and coordinated logic—closing the second outlet 322 in the first state and opening it in the second state—the difference in dispensing volume between the two modes is clearly controllable, preventing issues such as ambiguous dispensing levels and unstable dispensing volumes. Users can intuitively perceive the dispensing level change by pulling the top cover 200, making operation easier. Furthermore, the flexible design of the inlet area further expands the applicability of the pull-out dual-dispensing structure component 100. Whether it's skincare products requiring precise small-dose dispensing or detergents requiring rapid large-dose dispensing, no major modifications to the core structure are needed. Adaptation is achieved simply by adjusting the passage area of ​​the first outlet 321 and the second outlet 322, reducing the adaptation cost for different product categories and making the component more flexible in various bottle sizes 400, balancing production efficiency and ease of use.

[0064] In some of these embodiments, such as Figure 2 and Figure 7As shown, the upper cover 200 includes a cover body 210 and a guide nozzle 220 connected to the cover body 210, the guide nozzle 220 being provided with the main liquid outlet 221; the cover body 210 is detachably mounted on the inner plug 300; in some embodiments, such as Figure 6 and Figure 10 As shown, the guide nozzle 220 has a flow-guiding shape along its outer periphery. In other embodiments, the guide nozzle 220 has a preset single-position flow-guiding shape, that is, liquid flows out only at one position or in one direction. Figure 8 As shown, in the first state, the cover 210 cooperates with the inner plug 300 to seal the second liquid outlet 322; Figure 9 As shown, in the second state, the adjustment cavity 101 is formed between the cover 210 and the inner plug 300. In some embodiments, the cover 210 and the flow guide 220 are integrally formed.

[0065] This design optimizes the liquid output guidance performance and usability of the pull-out dual-dispensing structure component 100. By splitting the top cover 200 into a cover body 210 and a dispensing nozzle 220, and having the dispensing nozzle 220 function as the main dispensing port 221, the liquid output path is more focused, avoiding spillage and diffusion during dispensing. Simultaneously, the dispensing nozzle 220 offers two shape options: peripheral flow and preset single-position flow. The peripheral flow shape meets the needs of large-area even application, such as the rapid spread of face cream and body lotion; the preset single-position flow shape enables directional liquid flow, suitable for precise application of serums to acne-prone skin, localized massage with essential oils, etc., further refining the adaptability to different usage needs and making the product more aligned with actual operating habits. Furthermore, the above structural design enhances the stability and reliability of the pull-out dual-dispensing mechanism. As a component that directly mates with the inner plug 300, the cap 210, in its first state, seals the second outlet 322 through a tight fit with the inner plug 300, ensuring no additional liquid leakage during small-volume output. In its second state, it stably forms the regulating chamber 101, ensuring stable flow when the first outlet 321 and the second outlet 322 are discharging liquid simultaneously, preventing gear switching failure due to structural fit issues, and improving the durability and reliability of the pull-out dual-gear discharging structure assembly 100. Furthermore, the integrated molding of the cap 210 and the guide nozzle 220 further optimizes the production and assembly efficiency of the pull-out dual-gear discharging structure assembly 100. The integrated molding also reduces the number of parts assembly steps, lowering the risk of errors during assembly, ensuring the fitting accuracy between the guide nozzle 220 and the cap 210, reducing the number of parts, simplifying the production process, and balancing practicality and economy.

[0066] In some of these embodiments, such as Figure 6 and Figure 8As shown, the cover 210 is provided with a insertion portion 211 that is inserted into the slot 331 of the inner plug 300; combined with Figure 9 and Figure 10 The upper cover 200 has an inner support ring 230 on the inner side of the insertion part 211, and an outer limiting ring 240 on the outer side of the insertion part 211, which are combined together. Figure 8 The upper cover 200 or its cover body 210 is in close contact with the inner plug 300 through the inner support ring 230 and the outer limiting ring 240 of the upper cover, and restricts the relative position of the upper cover 200 and the inner plug 300 under stress.

[0067] This design significantly improves the assembly stability and sealing reliability of the pull-out dual-discharge structure component 100. The cover 210 is inserted into the slot 331 of the inner plug 300 via the insertion part 211. Combined with the inner support ring 230 and the outer limiting ring 240 of the upper cover, dual positioning from both inside and outside ensures that the upper cover 200 and the inner plug 300 remain in close contact. This effectively prevents liquid leakage caused by incomplete sealing of the second outlet 322 in the first state, and also prevents flow fluctuations in the adjustment chamber 101 due to fitting gaps in the second state, ensuring precise implementation of the dual-discharge function. Furthermore, this structural design enhances the controllability and tactile feel of the discharge gears. The inner support ring 230 and the outer limiting ring 240 of the upper cover stably restrict the relative position of the upper cover 200 and the inner plug 300 under force, preventing offset or jamming during the pulling process. This allows the user to clearly perceive the gear switching points, ensuring a smooth and intuitive transition from the first state to the second state, thereby improving ease of use. On the other hand, this dual-limiting structure requires no additional parts. While maintaining the overall simplicity of the pull-out dual-discharge structure component 100, it further optimizes the adaptability and can stably adapt to the bottle mouth 410 of different bottle sizes 400. This does not increase the complexity of production and assembly, and ensures the structural stability of the pull-out dual-discharge structure component 100 in long-term use.

[0068] In some of these embodiments, such as Figure 6 and Figure 8 As shown, the outer periphery of the cover 210 is provided with a force-receiving part 212, so that the cover 210 can be pulled out by force to switch the pull-out dual-stage liquid outlet structure assembly 100 from the first state to the second state, and also to be pressed into the cover 210 by force to switch the pull-out dual-stage liquid outlet structure assembly 100 from the second state to the first state, thereby realizing the relative movement between the upper cover 200 and the inner plug 300 of the pull-out dual-stage liquid outlet structure assembly 100.

[0069] This design optimizes the ease of operation and user-friendly experience of the pull-out dual-dispensing structure component 100. The force-bearing part 212 protruding from the outer periphery of the cover 210 provides a clear point of force application for the user. Whether it is the pulling action to switch the component from the first state to the second state, or the pressing action to return from the second state to the first state (i.e., restoration or reversion), the user can easily apply force through the force-bearing part 212, avoiding problems such as slippage and uneven force application caused by the smooth surface of the cover 210. It is especially suitable for operation when hands are wet or after applying skin care products, making the dispensing position switching more effortless and precise. On the other hand, the above structural design further ensures the stability and reliability of dual-dispensing. The protruding design of the force-bearing part 212 makes it easier to control the direction of force application, guiding the user to apply force evenly along the axial direction of the cover 210, avoiding relative misalignment between the upper cover 200 and the inner plug 300 due to force deviation, thereby preventing problems such as sealing failure of the adjustment cavity 101 and incomplete closure of the second liquid outlet 322, ensuring accurate small-volume liquid dispensing in the first state and stable large-volume liquid dispensing in the second state, and improving the functional stability of the component for long-term use.

[0070] As an example, such as Figure 11 and Figure 12 As shown, the inner plug 300 is configured to be installed at the bottle opening 410 of the bottle body 400 and to be sealed to the bottle opening 410. In some embodiments, such as Figure 2 and Figure 6 As shown, the inner plug 300 has a connected body 310 and an outlet structure 320; the body 310 is configured to be installed at the bottle mouth 410 of the bottle body 400 and is sealed to the bottle mouth 410; combined with Figure 3 and Figure 5 The outlet structure 320 has a first liquid outlet 321 and a second liquid outlet 322 that are connected to each other; combined with Figure 8 In the first state, the upper cover 200 abuts against the outlet structure 320 to close the second liquid outlet 322; combined with Figure 9 In the second state, the adjustment cavity 101 is formed between the upper cover 200 and the outlet structure 320.

[0071] This design, on the one hand, enhances the compatibility and sealing between the pull-out dual-dispensing structure component 100 and the bottle body 400, ensuring the reliability of liquid storage and dispensing. The inner stopper 300 is sealed to the bottle opening 410 of the bottle body 400 via the body 310, effectively preventing external air and dust from entering the bottle and avoiding the deterioration of easily oxidized skincare products such as serums and essential oils. It also prevents leakage due to seal failure, balancing product storage safety and cleanliness, and is suitable for various scenarios requiring sealed storage of liquid products. On the other hand, by integrating the first dispensing port 321 and the second dispensing port 322 into the outlet structure 320 of the inner stopper 300, and achieving dispensing / removal of the upper cover 200 from the outlet structure 320, the structural logic and functional stability of the component are further optimized. In the first state, the top cover 200 abuts against the outlet structure 320 to precisely seal the second outlet 322, ensuring that only the first outlet 321 dispenses liquid. In the second state, the two form an adjustment chamber 101, with both inlets connected. This concentrates the core function of gear switching on the cooperation between the top cover 200 and the outlet structure 320, reducing structural redundancy, lowering the risk of failure, and ensuring precise and controllable dual-gear dispensing. Furthermore, the independent functional design of the body 310 in the inner stopper 300, in conjunction with the outlet structure 320, facilitates the adjustment of the body 310's size according to the bottle body 400 specifications to adapt to different bottle openings 410, while also ensuring consistency of the dual-gear dispensing function through a unified outlet structure 320 specification.

[0072] In some of these embodiments, such as Figure 4 and Figure 10 As shown, the outlet structure 320 includes a connected protrusion 323 and a connecting portion 324, the connecting portion 324 being connected to the body 310; combined with Figure 8 In the first state, the outer periphery of the protrusion 323 abuts against the upper cover 200 to form a large sealing position 340, thereby sealing the second liquid outlet 322; combined with Figure 3 and Figure 5 The top of the protrusion 323 is provided with the first liquid outlet 321, and the side of the protrusion 323 is provided with a flow-limiting port 325 that communicates with the first liquid outlet 321; the connecting part 324 is provided with the second liquid outlet 322 or the second liquid outlet 322 is formed between adjacent connecting parts 324.

[0073] This design effectively improves the sealing reliability of the pull-out dual-dispensing structure component 100 in its first state, ensuring the accuracy of small-volume dispensing. The outer periphery of the protrusion 323 of the outlet structure 320 abuts against the upper cover 200 to form a large-scale sealing position 340, which can tightly seal the second dispensing port 322, effectively preventing liquid leakage from the second dispensing port 322 in the first state. This ensures that liquid is only output through the first dispensing port 321 at the top of the protrusion 323, accurately meeting the needs of scenarios with high dosage control requirements, such as serum application and localized essential oil care, and eliminating the problem of excessive dispensing volume due to sealing failure. On the other hand, by partitioning the first dispensing port 321, the flow-limiting port 325, and the second dispensing port 322 on the protrusion 323 and the connecting part 324, the logic and controllability of the liquid output path are optimized. The flow-limiting port 325 on the side of the protrusion 323 connects to the first liquid outlet 321, which can further adjust the liquid flow rate in the first state and prevent the liquid from rushing out rapidly due to excessive pressure. The second liquid outlet 322 is set in the connecting part 324 or its gap. When it is connected to the first liquid outlet 321 in the second state, it can ensure the uniformity of the liquid flow from both outlets through reasonable position layout, avoid local congestion or flow fluctuation, and make the large amount of liquid output more stable, which is suitable for scenarios such as quick dispensing of washing products and intensive application of facial mask essence. On the other hand, the split design of the protrusion 323 of the outlet structure 320 and the connecting part 324 takes into account both structural functionality and adaptability flexibility. The protrusion 323 can be adapted to different liquid viscosities by adjusting the size of the flow restrictor 325, such as thin serums and thick creams. The connecting part 324 can meet different large-volume liquid dispensing needs by adjusting the size of the second liquid outlet 322. Without the need to make overall changes to the pull-out dual-stage liquid dispensing structure component 100, it can be adapted to multiple product categories, further expanding the applicability of the pull-out dual-stage liquid dispensing structure component 100.

[0074] In some of these embodiments, such as Figure 8 and Figure 9As shown, the inner plug 300 also has a retaining portion 330 connected to the body 310, and a slot 331 is formed between the retaining portion 330 and the body 310 for the insertion portion 211 of the upper cover 200 to be inserted into the slot 331; the retaining portion 330 has an upper limit ring 360 and a lower limit ring 370 protruding in the slot 331 to make close contact with the upper cover 200 and to limit the relative position of the upper cover 200 and the inner plug 300 under stress. In other embodiments, the upper limit ring 360 and the lower limit ring 370 may also protrude from the body 310. As an example, the inner plug upper limit ring 360 is configured to limit the maximum pull-out position of the upper cover 200 and the inner plug 300 when in contact with the upper cover outer limit ring 240 of the upper cover 200 or the insertion portion 211; the inner plug lower limit ring 370 is configured to limit the minimum pull-out position of the upper cover 200 and the inner plug 300 when in contact with the upper cover 200 or the insertion portion 211, so that the user can obtain sufficient position feedback when pulling the upper cover 200.

[0075] This design enhances the assembly stability and gear switching precision of the pull-out dual-gear dispensing structure assembly 100. The inner plug 300 forms a slot 331 with the body 310 through the enclosure 330, providing a stable insertion space for the insertion part 211 of the upper cover 200 and preventing radial displacement of the upper cover 200 during pulling or pressing. Simultaneously, the upper limit ring 360 and lower limit ring 370 of the inner plug protruding within the slot 331 precisely engage with the outer limit ring 240 of the upper cover 200. This tight contact improves the overall sealing of the assembly, preventing liquid leakage from the gap, and strictly limits the relative movement range between the upper cover 200 and the inner plug 300, ensuring that gear switching always occurs within the preset stroke, preventing structural damage due to excessive pulling or pressing, thereby extending the service life of the pull-out dual-gear dispensing structure assembly 100. Furthermore, it significantly optimizes user feedback and operational safety. The upper limit ring 360 of the inner plug restricts the maximum pull-out position, and the lower limit ring 370 of the inner plug restricts the minimum pull-out position, providing users with clear physical feedback when switching gears. When the upper cover 200 is pulled out to contact the upper limit ring 360 of the inner plug, it is clearly perceived that the second state has been switched; when the upper cover 200 is pressed in to contact the lower limit ring 370 of the inner plug, it is confirmed that the first state has been reset. The gear position can be accurately judged without relying on visual observation, which is especially suitable for blind operation scenarios. At the same time, the limiting structure can prevent the upper cover 200 from detaching from the inner plug 300 due to improper operation, or from deforming the adjustment cavity 101 or damaging the outlet structure 320 due to excessive compression, ensuring the safety and reliability of use. Furthermore, the design that the upper limit ring 360 and the lower limit ring 370 of the inner plug can be flexibly protruded from the enclosure 330 or the body 310 further improves the adaptability of the pull-out dual-gear liquid outlet structure assembly 100. When adapting to different bottle sizes 400 or adjusting the overall height of the components, there is no need to modify the core function of the limiting structure. Only the setting position of the limiting ring needs to be adjusted according to the overall design of the inner plug 300 to meet different assembly requirements. This simplifies the design cost in the product iteration process and maintains the consistency of the function of the pull-out dual-stage liquid dispensing structure component 100.

[0076] As an example, the insertion part 211 of the upper cover 200 is inserted into the slot 331 with an interference fit, and can only be partially pulled out after assembly, not completely. As an example, combined with Figure 9 and Figure 10 The plug part 211 is in Figure 9 The downward direction shown is affected by the combined action of the inner support ring 230, the outer limiting ring 240, the sealing protrusion ring 380, and the upper limit ring 360 of the inner plug, which restricts the cover 210 and its insertion part 211 from disengaging from the slot 331, that is, limits the maximum pull-out position of the upper cover 200 and the inner plug 300; combined with Figure 8 and Figure 10The plug part 211 is in Figure 8 The bottom of the slot 331 is abutted downwards as shown, and is acted upon by the outer limiting ring 240 of the upper cover and the lower limiting ring 370 of the inner plug, which restricts the minimum limit pull-out position of the upper cover 200 and the inner plug 300.

[0077] This design maximizes the assembly integrity and operational safety of the pull-out dual-stage liquid outlet structure component 100 from a structural perspective. The insertion part 211 of the upper cover 200 is inserted into the slot 331 of the inner plug 300 with an interference fit, fundamentally preventing the insertion part 211 from being completely pulled out after assembly, preventing the upper cover 200 from separating from the inner plug 300 and losing it, and ensuring that the component always maintains its complete functional state. At the same time, in the downward direction, the upper cover inner support ring 230, upper cover outer limit ring 240, sealing convex ring 380 and inner plug upper limit ring 360 jointly limit the maximum pull-out position of the upper cover 200 and inner plug 300, preventing the user from excessively pulling and causing structural deformation. In the upward direction, the insertion part 211 abuts against the bottom of the slot 331, and together with the upper cover outer limit ring 240 and inner plug lower limit ring 370, limits the minimum pull-out position, preventing excessive pressing and damage to the outlet structure 320 or the seals, thus providing comprehensive protection for the component structure and extending its service life. On the other hand, the multiple limiting structure further enhances the accuracy and stability of dual-gear switching. The clear definition of the maximum and minimum pull-out positions ensures that the upper cover 200's travel distance remains within a preset range. This guarantees that in the first state, the upper cover 200 accurately engages with the outlet structure 320 to seal the second liquid outlet 322, and in the second state, it stably forms the adjustment chamber 101 to achieve simultaneous liquid discharge from both outlets, avoiding issues such as unclear gear positions and unstable liquid output due to travel deviations. Simultaneously, the interference fit and the superposition of multiple limiting mechanisms allow users to clearly perceive gear switching points during operation, enabling them to judge the status without relying on visual perception, thus improving ease of use and operational certainty.

[0078] To facilitate the sealing and assembly of the pull-out dual-discharge structure component 100 onto the bottle body 400, in some embodiments, such as Figure 7 and Figure 8 As shown, the outer periphery of the body 310 is provided with a sealing outer peripheral surface 311, which is combined with Figure 11 The body 310 is configured to be sealed to the bottle opening 410 via the sealing outer peripheral surface 311.

[0079] This design improves the sealing reliability of the pull-out dual-dispensing structure component 100 and the bottle body 400. The body 310 of the inner stopper 300 is directly and tightly connected to the bottle mouth 410 via the sealing outer peripheral surface 311, which can fit snugly against the inner wall of the bottle mouth 410, effectively preventing external air and dust from entering the bottle and avoiding the deterioration of easily oxidized liquids such as essences and essential oils. At the same time, it prevents leakage of liquid inside the bottle due to sealing gaps, ensuring product storage safety and cleanliness, and is suitable for various liquid storage scenarios that require sealed storage. On the other hand, it simplifies the assembly process between the component and the bottle body 400. The sealing outer peripheral surface 311 does not require additional sealing components; the seal can be achieved solely through the structure of the body 310 itself, reducing assembly steps and the number of parts, improving production and assembly efficiency, and reducing costs. Furthermore, the sealing outer peripheral surface 311 has strong adaptability and can flexibly fit different sizes of bottle mouths 410, ensuring stable assembly of the pull-out dual-dispensing structure component 100.

[0080] To facilitate the sealing of the second outlet 322, in some embodiments, such as Figure 10 As shown, the outer periphery of the body 310 is provided with a sealing protrusion 380. In the first state, the upper cover 200 abuts against the sealing protrusion 380 to form a piston sealing position 350. As an example, the inner plug 300 has a deformation receiving groove 390 near the sealing protrusion 380 on the body 310, which is combined with... Figure 8 and Figure 9 The insertion part 211 is inserted into the slot 331 with an interference fit. The sealing ring 380 abuts tightly against the insertion part 211 to form a piston sealing position 350, so that the upper cover 200 and the inner plug 300 are sealed relative to each other at the piston sealing position 350. The sealing ring 380 is elastically deformed into the deformation receiving groove 390 under the pressure of the insertion part 211, so as to improve the sealing effect of the piston sealing position 350 while increasing the pressure between the sealing ring 380 and the insertion part 211.

[0081] This design enhances the sealing performance of the pull-out dual-dispensing structure component 100 in its first state, precisely ensuring the sealing effect of the second dispensing port 322. The sealing protrusion 380 on the outer periphery of the body 310 abuts against the top cover 200 to form a piston sealing position 350. Combined with the interference fit of the insertion part 211, it can tightly seal the gap between the slot 331 and the insertion part 211, preventing liquid from leaking from the gap to the second dispensing port 322 in the first state. This ensures that only a small amount of liquid is dispensed precisely through the first dispensing port 321, eliminating excessive dispensing due to sealing failure. This design is suitable for scenarios with strict dosage control, such as spot application of serums and localized treatments with essential oils. On the other hand, the deformation receiving groove 390 further optimizes the sealing reliability and operational flexibility. When the sealing ring 380 is subjected to pressure from the insertion part 211, it can elastically deform towards the deformation receiving groove 390. This deformation can compensate for the fitting clearance, increasing the contact pressure between the sealing ring 380 and the insertion part 211 and strengthening the sealing effect of the piston sealing position 350. It can also prevent the sealing ring 380 from being damaged by rigid compression, while reducing the resistance when the upper cover 200 is pulled out or pressed in, making gear switching smoother and balancing sealing performance and operating feel. Furthermore, this sealing structure does not require additional sealing components such as sealing rings. It achieves its function solely through the sealing ring 380 and the deformation receiving groove 390 of the inner plug 300 itself. While maintaining the advantages of fewer parts and easier assembly of the pull-out dual-gear liquid outlet structure component 100, it reduces production and assembly costs.

[0082] In various embodiments, the pull-out dual-stage dispensing structure component 100 is made of plastic, metal, or a mixture of materials. The pull-out dual-stage dispensing structure component 100 can be applied to various containers 600. It can be integrated into a single package, allowing users to intuitively, quickly, and reliably switch between two or more dispensing modes without replacing parts. For example, multiple dispensing modes can be achieved by adjusting the size of the adjusting cavity 101, i.e., adjusting the pull-out position of the upper cover 200 and the inner plug 300. This simultaneously meets the dual needs of precise daily use and efficient intensive care, improving the product's convenience, economy, and functionality.

[0083] In some embodiments, a container 600, such as Figure 11 As shown, it includes a bottle body 400 and a pull-out dual-discharge structure assembly 100 as described in any embodiment; the inner plug 300 of the pull-out dual-discharge structure assembly 100 is sealed and installed at the bottle mouth 410 of the bottle body 400. It is understood that, due to the use of the pull-out dual-discharge structure assembly 100 as described in any embodiment, the container 600 also possesses the beneficial technical effects of the pull-out dual-discharge structure assembly 100, which will not be elaborated upon here.

[0084] To facilitate the protection of the liquid in container 600, in some embodiments, such as Figure 12 As shown, the container 600 also includes an outer cover 500, which is sealed on the upper cover 200 of the pull-out dual-stage liquid outlet structure assembly 100 to seal the liquid outlet 121 of the upper cover 200.

[0085] The following will continue to combine Figures 1 to 12 This example illustrates the pull-out dual-dispensing structure assembly 100 and the container 600. In daily care scenarios, when the pull-out dual-dispensing structure assembly 100 is installed as a whole onto the bottle body 400, the pull-out dual-dispensing structure assembly 100 is fastened to the bottle body 400 by the inner plug 300. The sealing outer peripheral surface 311 of the inner plug 300 is interference-fitted with the bottle opening 410 to ensure a seal between the pull-out dual-dispensing structure assembly 100 and the bottle opening 410. When the top cover 200 is not pulled out, the top cover 200 is limited by the outer limit of the top cover. Ring 240 engages with the lower limit ring 370 of the inner stopper, ensuring that the upper cover 200 and the inner stopper 300 are always tightly fastened. This guarantees that the large sealing position 340 achieves a sealing effect due to the interference fit between the upper cover 200 and the inner stopper 300. At the same time, the inner stopper 300 and the upper cover 200 of the piston sealing position 350 are also sealed by interference fit. When pouring the material from the bottle 400, the material will only be poured out from the first liquid outlet 321, thus meeting the needs of daily small-volume application.

[0086] In contrast, in centralized repair scenarios, a large amount of material is often needed for wet application, etc. Simply pull the top cover 200, and the outer limit ring 240 of the top cover will disengage from the lower limit ring 370 of the inner plug and lock into the upper limit ring 360 of the inner plug, ensuring that the top cover 200 will not separate from the inner plug 300. During the pulling process, the top cover 200 and the inner plug 300 at the large sealing position 340 will separate, but the inner plug 300 and the top cover 200 at the piston sealing position 350 will always maintain an interference seal. At the same time, the inner support ring 230 of the top cover, the outer limit ring 240 of the top cover and the upper limit ring 360 of the inner plug work together to ensure the stability of the pulling process and that the top cover 200 will not tilt to the left or right. After the pulling process is completed, when pouring the material, it flows from the first outlet 321 and the second outlet 322, through the gap between the upper cover 200 and the inner plug 300, and is poured out from the guide nozzle 220, thus meeting the needs of wet compressing. After the wet compressing is completed, simply press the upper cover 200 back into its original position, and only a small amount of liquid will flow out from the first outlet 321. In use, the liquid flow rate can be switched back and forth as needed, making operation quick and reliable. Other embodiments follow the same principle and will not be described in detail.

[0087] It should be noted that other embodiments of this application also include pull-out dual-stage liquid outlet structure components and containers formed by combining the technical features of the above embodiments.

[0088] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0089] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. A pull-out type dual-stage liquid outlet structure assembly (100), characterized in that, Includes a top cover (200) and an inner plug (300); The upper cover (200) is pullably disposed on the inner plug (300) so that, under stress, the pull-out dual-stage liquid outlet structure assembly (100) can switch between a first state and a second state; The upper cover (200) is provided with a main liquid outlet (221), and the inner plug (300) is provided with a first liquid outlet (321) and a second liquid outlet (322) that are connected to each other. In the first state, the upper cover (200) cooperates with the inner plug (300) to close the second liquid outlet (322). In the second state, an adjustment cavity (101) is formed between the upper cover (200) and the inner plug (300), and the adjustment cavity (101) is connected to the second liquid outlet (322).

2. The pull-out dual-stage liquid outlet structure assembly (100) according to claim 1, characterized in that, The passage area of ​​the first liquid outlet (321) is smaller than that of the second liquid outlet (322).

3. The pull-out dual-stage liquid outlet structure assembly (100) according to claim 1, characterized in that, The top cover (200) includes a cover body (210) and a guide nozzle (220) connected to the cover body (210), and the guide nozzle (220) is provided with the main liquid outlet (221). The cover (210) is pullably disposed on the inner plug (300); In the first state, the cover (210) cooperates with the inner plug (300) to close the second liquid outlet (322). In the second state, the adjustment cavity (101) is formed between the cover (210) and the inner plug (300).

4. The pull-out dual-stage liquid outlet structure assembly (100) according to claim 3, characterized in that, The cover (210) is provided with a plug (211) in a slot (331) for inserting into the inner plug (300). The upper cover (200) is provided with an inner support ring (230) on the inner side of the insertion part (211) and an outer limiting ring (240) on the outer side of the insertion part (211) so that it can be in close contact with the inner plug (300) through the inner support ring (230) and the outer limiting ring (240) and limit the relative position of the upper cover (200) and the inner plug (300) under stress.

5. The pull-out dual-stage liquid outlet structure assembly (100) according to claim 3, characterized in that, The guide nozzle (220) has a guide shape along its outer periphery or a pre-set guide shape at a single position; or, The cover (210) and the flow guide (220) are integrally formed; or, The outer periphery of the cover (210) is provided with a force-bearing part (212).

6. The pull-out dual-stage liquid outlet structure assembly (100) according to any one of claims 1 to 5, characterized in that, The inner plug (300) is provided with a body (310) and an outlet structure (320) connected to it. The body (310) is configured to be installed at the bottle mouth (410) of the bottle body (400) and to be sealed to the bottle mouth (410); The outlet structure (320) has a first liquid outlet (321) and a second liquid outlet (322) that are connected to each other. In the first state, the top cover (200) abuts against the outlet structure (320) to close the second liquid outlet (322). In the second state, the adjustment cavity (101) is formed between the top cover (200) and the outlet structure (320).

7. The pull-out dual-stage liquid outlet structure assembly (100) according to claim 6, characterized in that, The outlet structure (320) includes a protrusion (323) and a connecting part (324) connected to each other, and the connecting part (324) is connected to the body (310). In the first state, the outer periphery of the protrusion (323) abuts against the upper cover (200) to form a large sealing position (340) to cooperate in sealing the second liquid outlet (322). The top of the protrusion (323) is provided with the first liquid outlet (321), and the side of the protrusion (323) is provided with a flow-limiting port (325) that connects to the first liquid outlet (321). The connecting part (324) is provided with a second liquid outlet (322) or the second liquid outlet (322) is formed between adjacent connecting parts (324).

8. The pull-out dual-stage liquid outlet structure assembly (100) according to claim 6, characterized in that, The inner plug (300) is further provided with a retaining portion (330) connected to the body (310), and a slot (331) is formed between the retaining portion (330) and the body (310) for the insertion portion (211) of the upper cover (200) to be inserted into the slot (331); at least one of the retaining portion (330) or the body (310) has an inner plug upper limit ring (360) and an inner plug lower limit ring (370) protruding in the slot (331) to make close contact with the upper cover (200) and to limit the relative position of the upper cover (200) and the inner plug (300) under stress; or, The outer periphery of the body (310) is provided with a sealing outer peripheral surface (311), and the body (310) is configured to be sealed to the bottle mouth (410) through the sealing outer peripheral surface (311); or, The outer periphery of the body (310) is provided with a sealing protrusion (380). In the first state, the upper cover (200) abuts against the sealing protrusion (380) to form a piston sealing position (350).

9. A container (600), characterized in that, Includes a bottle body (400) and a pull-out dual-stage liquid dispensing structure assembly (100) as described in any one of claims 1 to 8. The inner plug (300) of the pull-out dual-stage liquid dispensing structure assembly (100) is sealed and installed at the bottle mouth (410) of the bottle body (400).

10. The container (600) according to claim 9, characterized in that, The container (600) also includes an outer cover (500) which is sealed on the upper cover (200) of the pull-out dual-stage liquid outlet structure assembly (100) to seal the liquid outlet (121) of the upper cover (200).

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