Dispenser based on duckbill double-layered catch seal structure of high-rigidity high-molecular material

Abstract

The utility model discloses a kind of dispenser of high-rigidity high-molecular material based on duckbill double-layer buckle position sealing structure, it is related to cosmetic packaging technical field, to solve the problem that existing dispenser cannot seal residual cosmetics in duckbill liquid outlet channel, leading to residual cosmetics easy oxidation, pollution. The dispenser includes dispenser body, the body top is equipped with duckbill, and duckbill has liquid outlet channel;It further includes two groups of limiting plate vertically fixed in duckbill side wall and located at the both sides of liquid outlet channel, limiting plate opposite side wall is equipped with guide rail;Switching board is slidably mounted between two groups of limiting plate, and its both sides are equipped with sliding slot matched with guide rail;Sealing plate is mounted in switching board side wall, and it is sealed closely with the output end of liquid outlet channel and can be relatively slid;Switching board top is equipped with power mechanism, and power mechanism includes pressing plate and two groups of L-shaped rod. The dispenser can seal residual cosmetics in liquid outlet channel, improve use safety and reliability, convenient operation, long service life.

Description

Technical Field

[0001] This utility model relates to the field of cosmetic packaging technology, and in particular to a dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure. Background Technology

[0002] In the cosmetics industry, to facilitate consumers' use of fluid or semi-fluid cosmetics such as lotions, serums, and creams, and to prevent external contamination during storage and use, cosmetic bottles are usually equipped with dedicated dispensers. As a core component of cosmetic packaging, the performance of these dispensers directly affects the user experience, shelf life, and safety of the cosmetics. Therefore, the industry consistently maintains a high level of attention to the material selection, sealing performance, and structural design of these dispensers.

[0003] As consumers increasingly demand higher levels of safety and convenience in using cosmetics, high-rigidity polymer materials are increasingly being used in cosmetic dispensers. These high-rigidity polymer materials (such as reinforced polyamide and polycarbonate alloys) not only possess excellent mechanical strength, capable of withstanding structural stress from prolonged pressing operations and preventing deformation and breakage, thus extending their lifespan, but also exhibit good chemical stability, making them less likely to react with active ingredients in cosmetics and ensuring the stability of the cosmetic's composition. Therefore, they are widely used in the field of cosmetic dispensers.

[0004] To further improve the sealing performance of dispensers and prevent leakage, evaporation, or contamination by external air and microorganisms during storage, existing dispensers generally adopt a duckbill double-layer interlocking seal structure for the pump head. This sealing structure, through the double-layer interlocking design between the duckbill outlet and the pump head body, forms a double sealing contact surface, effectively enhancing the sealing effect between the pump head and the duckbill inlet. This significantly reduces the risk of cosmetic leakage from the connection between the pump head and the duckbill during storage, while also reducing the possibility of external contaminants entering the pump head through this connection gap, thus ensuring the cleanliness of the cosmetics to a certain extent.

[0005] However, in actual use, after a consumer presses the duckbill dispensing head to take the required amount of cosmetic, some cosmetic remains in the dispensing channel, which has a certain length inside. The existing double-layer snap-fit ​​sealing structure of the duckbill only seals the area from the pump head to the duckbill inlet, failing to effectively seal or treat the cosmetic residue within the dispensing channel. This residual cosmetic, exposed to air for extended periods, is prone to oxidation, leading to deterioration and ineffectiveness of the cosmetic ingredients, affecting subsequent use. Furthermore, dust, microorganisms, and other pollutants in the air can easily adhere to the surface of the residual cosmetic or enter the channel through the duckbill dispensing outlet, contaminating it. When the consumer presses the duckbill dispensing head again, this oxidized, deteriorated, or contaminated residual cosmetic will be squeezed out first, mixing with the new cosmetic. This not only affects the safety of the cosmetic but may also cause adverse skin irritation, posing a significant safety hazard.

[0006] Therefore, although existing cosmetic bottle dispensers based on high-rigidity polymer materials and duckbill double-layer snap-fit ​​sealing structures have certain advantages in terms of material strength and pump head sealing performance, the problem of oxidation and contamination caused by cosmetic residues in the duckbill dispensing channel has not been effectively solved. It is urgent to improve the existing dispenser structure to eliminate this potential hazard and further enhance the safety and reliability of cosmetic use. Utility Model Content

[0007] To solve the above-mentioned technical problems, this utility model provides a high-rigidity polymer material dispenser based on a double-layer snap-fit ​​sealing structure of a duckbill, which can seal and preserve cosmetic residues in the duckbill dispensing channel, reduce the probability of cosmetic residues being oxidized, deteriorated, or contaminated, thereby improving the safety and reliability of the dispenser.

[0008] This utility model discloses a high-rigidity polymer material dispenser based on a duckbill double-layer snap-fit ​​sealing structure, comprising a dispenser body, a duckbill on the top of the dispenser body, and further including:

[0009] Two sets of limiting plates are provided. The duckbill is provided with a liquid outlet channel. The two sets of limiting plates are vertically fixed on the side wall of the duckbill. The two sets of limiting plates are located on both sides of the liquid outlet channel. The opposite side walls of the two sets of limiting plates are vertically provided with guide rails.

[0010] The switch plate is slidably mounted between two sets of limiting plates. The two side walls of the switch plate that contact the two sets of limiting plates are provided with sliding grooves. The two sets of guide rails are slidably mounted with the two sets of sliding grooves respectively.

[0011] The sealing plate is installed on the side wall of the switch plate. The sealing plate is located between two sets of limiting plates. The sealing plate is tightly sealed to the output end of the liquid outlet channel of the duckbill, and the sealing plate and the duckbill can slide relative to each other.

[0012] A power mechanism is provided on the top of the switch plate.

[0013] Furthermore, the power mechanism includes a pressing plate and two sets of L-shaped rods. The two sets of L-shaped rods are symmetrically installed on the top of the switch plate. Each of the two sets of L-shaped rods has a long sliding groove on its opposite sidewall. Two sets of sliding shafts are symmetrically arranged on the sidewalls of one end of the pressing plate. The two sets of sliding shafts are slidably engaged with the two sets of long sliding grooves. Two sets of support shafts are symmetrically arranged on the sidewalls of the middle part of the pressing plate near the sliding shafts. Two sets of support plates are symmetrically arranged on the middle part of the top of the duckbill near the switch plate. The two sets of support shafts are rotatably connected to the two sets of support plates.

[0014] Furthermore, an elastic component is fixedly provided between the side of the pressing plate away from the switch plate and the duckbill.

[0015] Furthermore, the elastic component is configured as a sheet or a spring.

[0016] Furthermore, a limiting post is provided at the top of the duckbill, the limiting post being located on the side of the duckbill away from the switch plate, and the limiting post being located between the duckbill and the pressing plate.

[0017] Furthermore, the pressing part of the pressing plate is provided with an upwardly convex arc surface structure.

[0018] Furthermore, a stop is provided at the top of the switch plate, and the stop is in close contact with the top of the corresponding limiting plate.

[0019] Furthermore, the blocks can be configured as a set or symmetrically configured as two sets.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] 1. Improve sealing and safety of use: By sealing the outlet end of the duckbill liquid outlet with the sealing plate, the problem of residual cosmetics in the channel cannot be sealed by the existing dispensers. This reduces the probability of residual cosmetics oxidizing, deteriorating and becoming contaminated, eliminates the risk of skin irritation during subsequent use, and improves the safety and reliability of use.

[0022] 2. Optimizes ease of operation and sealing stability: The power mechanism adopts a lever structure, combined with the reset function of the elastic component, making the pressing operation effortless, and the sealing structure can quickly and automatically reset after pressing; the sliding cooperation between the limit plate and the switch plate ensures that the sealing plate slides smoothly and accurately, maintaining a stable sealing effect.

[0023] 3. Extend component lifespan: The stop block limits the sliding stroke of the switch plate, and the limit post limits the pressing amplitude of the press plate, avoiding damage from excessive movement of components and extending the overall lifespan of the distributor. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the connection structure between the guide rail and the limiting plate of this utility model;

[0026] Figure 3 This is the utility model Figure 1 A magnified schematic diagram of the structure of part A in the diagram;

[0027] Figure 4 This is the utility model Figure 2 A magnified schematic diagram of the partial structure of B in the diagram;

[0028] The following are labels in the attached diagram: 1. Distributor body; 2. Duckbill; 3. Limiting plate; 4. Guide rail; 5. Switch plate; 6. Sealing plate; 7. Pressing plate; 8. L-shaped rod; 9. Long slide groove; 10. Slide shaft; 11. Support shaft; 12. Support plate; 13. Elastic component; 14. Limiting post; 15. Stop block. Detailed Implementation

[0029] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0030] like Figures 1 to 4 As shown,

[0031] This utility model discloses a high-rigidity polymer material dispenser based on a double-layer snap-fit ​​sealing structure of a duckbill 2, comprising a dispenser body 1, a duckbill 2 disposed on the top of the dispenser body 1, and further comprising:

[0032] Two sets of limiting plates 3 are provided. The duckbill 2 is provided with a liquid outlet channel. The two sets of limiting plates 3 are vertically fixed on the side wall of the duckbill 2. The two sets of limiting plates 3 are located on both sides of the liquid outlet channel. The opposite side walls of the two sets of limiting plates 3 are vertically provided with guide rails 4.

[0033] The switch plate 5 is slidably mounted between two sets of limiting plates 3. The two side walls of the switch plate 5 that contact the two sets of limiting plates 3 are provided with sliding grooves. The two sets of guide rails 4 are slidably mounted with the two sets of sliding grooves respectively.

[0034] The sealing plate 6 is installed on the side wall of the switch plate 5. The sealing plate 6 is located between the two sets of limiting plates 3. The sealing plate 6 is tightly sealed to the output end of the liquid outlet channel of the duckbill 2, and the sealing plate 6 and the duckbill 2 can slide relative to each other.

[0035] A power mechanism is provided on the top of the switch plate 5;

[0036] In this embodiment,

[0037] Dispenser body 1 and duckbill 2: Dispenser body 1 is the basic support component of the entire dispenser, used to accommodate and install other components. At the same time, it serves as the main structure connecting to the cosmetic bottle, realizing the stable assembly of the dispenser and the bottle. Duckbill 2 is the liquid dispensing component. The liquid dispensing channel inside it is the key channel for cosmetic output, providing a path for the cosmetic to be transported from inside the dispenser to the outside for the user to take.

[0038] Two sets of limiting plates 3 are vertically fixed to the side wall of the duckbill 2 and located on both sides of the liquid outlet channel. On the one hand, they provide a support structure for the installation and sliding guidance of the switch plate 5. The guide rails 4 set on the opposite side wall cooperate with the sliding groove of the switch plate 5 to ensure that the switch plate 5 can only slide smoothly in the vertical direction and avoid sliding deviation. On the other hand, they play a lateral limiting role for the sealing plate 6, preventing the sealing plate 6 from shifting laterally during the sealing process, ensuring the accuracy of the sealing fit between the sealing plate 6 and the output end of the liquid outlet channel, and maintaining a stable sealing effect.

[0039] Switch plate 5: The core transmission and load-bearing component, which is slidably mounted between two sets of limiting plates 3. A sealing plate 6 is installed on its side wall, which can drive the sealing plate 6 to slide synchronously along the guide rail 4 to achieve sealing and separation between the sealing plate 6 and the output end of the liquid outlet channel. An L-shaped rod 8 of the power mechanism is installed on the top, which serves as an intermediate carrier for power transmission, converting the driving force of the power mechanism into the power to drive the sealing plate 6 to move. At the same time, the sliding grooves on both sides cooperate with the limiting plate 3 and the guide rail 4 to ensure the smooth sliding of itself and the sealing plate 6.

[0040] Sealing plate 6: A key sealing component, installed on the side wall of switch plate 5 and located between two sets of limit plates 3. It is tightly sealed to the output end of the liquid outlet channel of duckbill 2. When the sealing plate 6 is in the sealed position, it can block the contact between the liquid outlet channel and the outside air, and seal and preserve the cosmetic residue in the channel to prevent oxidation and contamination. When the switch plate 5 drives it to slide out of the sealed position, the liquid outlet channel is unobstructed, facilitating the normal output of cosmetics.

[0041] As a preferred embodiment of the above embodiment, the power mechanism includes a pressing plate 7 and two sets of L-shaped rods 8. The two sets of L-shaped rods 8 are symmetrically installed on the top of the switch plate 5. The opposite side walls of the two sets of L-shaped rods 8 are provided with long sliding grooves 9. The side walls on both sides of one end of the pressing plate 7 are symmetrically provided with two sets of sliding shafts 10. The two sets of sliding shafts 10 are slidably engaged with the two sets of long sliding grooves 9 respectively. The two side walls on the side of the middle part of the pressing plate 7 near the sliding shafts 10 are symmetrically provided with two sets of support shafts 11. The top middle part of the duckbill 2 is symmetrically provided with two sets of support plates 12 near the switch plate 5. The two sets of support shafts 11 are rotatably connected to the two sets of support plates 12 respectively. The pressing part of the pressing plate 7 is provided with an upwardly convex arc surface structure.

[0042] In this embodiment,

[0043] Power Mechanism: The pressing plate 7 is the force-applying component operated by the user. The user drives the entire power mechanism by pressing its pressing part. Its convex arc surface structure improves the comfort of pressing. Two sets of L-shaped rods 8 are symmetrically installed on the top of the switch plate 5. As key connecting parts for power transmission, the long sliding groove 9 on its side wall slides and engages with the sliding shaft 10 of the pressing plate 7, converting the rotation of the pressing plate 7 into its own vertical movement, thereby driving the switch plate 5 and the sealing plate 6 to slide. The sliding shaft 10 cooperates with the long sliding groove 9 to realize flexible transmission between the pressing plate 7 and the L-shaped rods 8, allowing the two to slide relative to each other during movement, adapting to the trajectory changes of the lever movement. The support shaft 11 cooperates with the support plate 12 to rotatably install the pressing plate 7 on the top of the duckbill 2. The support plate 12 provides fixed support for the support shaft 11. The support shaft 11 serves as the rotation fulcrum of the pressing plate 7, making the pressing plate 7 form a lever structure, making the pressing operation easier for the user.

[0044] As a preferred embodiment of the above embodiment, an elastic component 13 is fixedly provided between the side of the pressing plate 7 away from the switch plate 5 and the duckbill 2, and the elastic component 13 is configured as a sheet or a spring.

[0045] In this embodiment,

[0046] Elastic component 13: Installed between the pressing plate 7 on the side away from the switch plate 5 and the duckbill 2, it has an elastic reset function. When the user releases the pressing plate 7, the elastic component 13 releases elastic potential energy, pushing the pressing plate 7 to rotate in the opposite direction around the support shaft 11. This, in turn, drives the switch plate 5 and the sealing plate 6 to reset through the L-shaped rod 8, so that the sealing plate 6 re-seales and fits with the liquid outlet channel output end, realizing the automatic reset of the sealing structure. This ensures that the sealing state can be restored in time after the liquid is dispensed, avoiding exposure of residual cosmetics. It should be emphasized that the elastic force of the elastic component 13 is less than the pressing resistance of the dispenser body 1 itself.

[0047] As a preferred embodiment of the above embodiment, a limiting post 14 is provided at the top of the duckbill 2. The limiting post 14 is located on the side of the duckbill 2 away from the switch plate 5, and the limiting post 14 is located between the duckbill 2 and the pressing plate 7.

[0048] In this embodiment,

[0049] Limiting post 14: Located at the top of duckbill 2 and between duckbill 2 and pressing plate 7, on the side of duckbill 2 away from switch plate 5, it serves as a limiting component for pressing plate 7. When the user presses pressing plate 7, it limits the maximum pressing amplitude of pressing plate 7, preventing excessive pressing of pressing plate 7 from causing excessive movement of L-shaped rod 8, switch plate 5 or sealing plate 6, resulting in component deformation, damage or failure of sealing structure. Importantly, it avoids the phenomenon of switch plate 5 and sealing plate 6 separating between the two sets of limiting plates 3, protecting the safety of each component and extending its service life.

[0050] As a preferred embodiment of the above embodiment, the top of the switch plate 5 is provided with a stop 15, and the stop 15 is in close contact with the top of the corresponding limiting plate 3.

[0051] The stop block 15 can be configured as one group or symmetrically configured as two groups;

[0052] In this embodiment,

[0053] Stop 15: Installed on the top of the switch plate 5, closely attached to the top of the corresponding limit plate 3, serving as a travel limit component for the switch plate 5. It limits the maximum downward sliding stroke of the switch plate 5, preventing the switch plate 5 from causing the sealing plate 6 to slide excessively downward, which could lead to the L-shaped rod 8 detaching from the connection structure with the pressing plate 7 or the sealing plate 6 separating excessively from the liquid outlet channel output end, affecting the accuracy of subsequent sealing reset. At the same time, it prevents the switch plate 5 from slipping off between the limit plates 3, ensuring the stability of the structural assembly. It is set as one or two sets of symmetrical structures, which can be flexibly selected according to the actual force and limit requirements to ensure reliable limit effect.

[0054] The working principle of this utility model is as follows:

[0055] This high-rigidity polymer material dispenser, based on a double-layer snap-fit ​​sealing structure of the duckbill 2, adopts a working mechanism of "press-drive - transmission linkage - sealing switch - elastic reset". In the initial state, the elastic component 13 is in a naturally extended or slightly compressed state, and the pressing plate 7 is held in the initial position under the action of the elastic component 13. At this time, the switch plate 5 is in a low position under the action of the L-shaped rod 8, and the sealing plate 6 is tightly sealed to the output end of the liquid outlet channel of the duckbill 2, blocking the liquid outlet channel from contacting the outside world and sealing and preserving the cosmetic residue in the channel. When a user needs to take cosmetics, a downward pressing force is applied to the pressing part of the pressing plate 7. The pressing plate 7 rotates downward with the cooperation of the support shaft 11 and the support plate 12. The sliding shaft 10 at one end slides along the long sliding groove 9 of the L-shaped rod 8, while pushing the L-shaped rod 8 upward. The L-shaped rod 8 drives the switch plate 5 to slide upward along the guide rail 4 of the limit plate 3. The switch plate 5 simultaneously drives the sealing plate 6 to move upward, so that the sealing plate 6 is separated from the liquid outlet end, and the liquid outlet is unobstructed. At this time, the conventional liquid outlet structure of the dispenser body 1 is pressed down, that is, the duckbill 2 is pressed down, and the cosmetics can be smoothly output through the liquid outlet for the user to take. When the user finishes using the product and releases the press plate 7, the elastic component 13 releases its elastic potential energy, generating an upward thrust that pushes the press plate 7 to rotate in the opposite direction and reset. The press plate 7, through the sliding shaft 10 and the long sliding groove 9, pulls the L-shaped rod 8 downward. The L-shaped rod 8 drives the switch plate 5 and the sealing plate 6 to slide downward along the guide rail 4 to reset until the sealing plate 6 is tightly sealed to the outlet end of the liquid channel again, restoring the initial sealing state and completing one complete "press to dispense liquid - seal to reset" work cycle. During this process, the limit post 14 limits the maximum pressing amplitude of the press plate 7, and the stop block 15 limits the maximum reset stroke of the switch plate 5, ensuring that the movement of each component is within a safe range and maintaining the overall structural stability and reliable sealing effect.

[0056] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure, comprising a dispenser body (1), wherein a duckbill (2) is disposed on the top of the dispenser body (1), characterized in that, Also includes: Two sets of limiting plates (3), the duckbill (2) is provided with a liquid outlet channel, the two sets of limiting plates (3) are vertically fixed on the side wall of the duckbill (2), the two sets of limiting plates (3) are located on both sides of the liquid outlet channel, and the opposite side walls of the two sets of limiting plates (3) are vertically provided with guide rails (4); The switch plate (5) is slidably mounted between two sets of limiting plates (3). The two side walls of the switch plate (5) that contact the two sets of limiting plates (3) are provided with sliding grooves. The two sets of guide rails (4) are slidably mounted with the two sets of sliding grooves respectively. The sealing plate (6) is installed on the side wall of the switch plate (5). The sealing plate (6) is located between the two sets of limiting plates (3). The sealing plate (6) is tightly sealed to the output end of the liquid outlet channel of the duckbill (2), and the sealing plate (6) and the duckbill (2) can slide relative to each other. The top of the switch plate (5) is provided with a power mechanism.

2. The dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure as described in claim 1, characterized in that, The power mechanism includes a pressing plate (7) and two sets of L-shaped rods (8). The two sets of L-shaped rods (8) are symmetrically installed on the top of the switch plate (5). The opposite side walls of the two sets of L-shaped rods (8) are provided with long sliding grooves (9). The side walls on both sides of one end of the pressing plate (7) are symmetrically provided with two sets of sliding shafts (10). The two sets of sliding shafts (10) are respectively slidably engaged with the two sets of long sliding grooves (9). The two side walls on the middle part of the pressing plate (7) near the sliding shafts (10) are symmetrically provided with two sets of support shafts (11). The middle part of the top of the duckbill (2) near the switch plate (5) is symmetrically provided with two sets of support plates (12). The two sets of support shafts (11) are rotatably connected to the two sets of support plates (12).

3. A dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure as described in claim 2, characterized in that, An elastic component (13) is fixedly disposed between the side of the pressing plate (7) away from the switch plate (5) and the duckbill (2).

4. A dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure as described in claim 3, characterized in that, The elastic component (13) is configured as a sheet or a spring.

5. A dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure as described in claim 2, characterized in that, The top of the duckbill (2) is provided with a limiting post (14), which is located on the side of the duckbill (2) away from the switch plate (5) and is located between the duckbill (2) and the pressing plate (7).

6. A dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure as described in claim 2, characterized in that, The pressing part of the pressing plate (7) is provided with an upwardly convex arc surface structure.

7. A dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure as described in claim 1, characterized in that, The top of the switch plate (5) is provided with a stop (15), and the stop (15) is in close contact with the top of the corresponding limiting plate (3).

8. A dispenser made of high-rigidity polymer material based on a duckbill double-layer snap-fit ​​sealing structure as described in claim 7, characterized in that, The stop blocks (15) are configured as one set or symmetrically configured as two sets.

Images