Medicine applying device with waterproof function

By designing a waterproof applicator, the problems of equipment malfunction and uneven liquid application in humid environments are solved, achieving efficient, convenient use and long life of the equipment.

CN223350799UActive Publication Date: 2025-09-19FOSHAN ASHMORE NETWORK TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422003178.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-09-19
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

Existing hair care devices are prone to malfunction due to environmental factors during use, lack effective waterproof structural design, and traditional manual application of care liquid/medicine is uneven and inconvenient to operate.

Method used

A waterproof drug applicator was designed, which used modular components, liquid guide modules and sealing rings to ensure the normal operation of the device in humid environments, and achieved uniform liquid delivery through the rational layout of the liquid guide modules.

Benefits of technology

It improves the waterproof performance and service life of the device, ensures the uniform application of liquid, improves the user experience and reliability of the device, and simplifies the replacement process of the liquid storage bottle.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The medicine applying device with the waterproof function comprises a vertically-through shell, a modularized assembly with a liquid pumping function, an inserting device, a liquid guiding module and sealing rings, the modularized assembly is provided with a bottle neck connecting cavity used for being connected with a liquid storage bottle, and the modularized assembly is sleeved with the sealing rings at intervals; the modularized assembly penetrates through the lower port of the shell to be inserted into the inner cavity of the shell and lock the shell, so that the modularized assembly is connected with the shell, the bottle neck connecting cavity is exposed out of the shell, and the sealing ring seals a gap between the shell and the modularized assembly; through the arrangement of the sealing ring, the connection gap between the modular assembly and the shell is effectively sealed, external moisture or liquid is prevented from entering the internal electrical assembly, normal work of equipment in a humid environment is ensured, the waterproof performance of the equipment is improved, and the service life of the equipment is prolonged.
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Description

Technical Field

[0001] The utility model relates to a medicine applicator with a waterproof function. Background Art

[0002] Hair care is an integral part of modern beauty and wellness routines. With rising demand for beautiful hair, a wide variety of hair care products, such as essential oils, conditioners, lotions, and elixirs, have emerged on the market. These products not only nourish hair but also repair damaged hair and improve its health. However, applying these products efficiently and evenly to hair remains a major challenge.

[0003] Traditional hair care methods typically involve pouring liquid / medication or essential oil into the palm of your hand and then applying it to your hair manually. This method not only wastes the liquid / medication but also makes it difficult to apply evenly, especially at the roots and scalp, where precise control is difficult. Furthermore, manual application can leave your hands greasy, resulting in a poor user experience.

[0004] In existing scalp care devices, the release of care solution usually needs to be manually controlled. Most devices are prone to device failure due to environmental factors (such as moisture, splashing water, etc.) during use and lack effective waterproof structural design. Utility Model Content

[0005] The purpose of the utility model is to provide a medicine applicator with a waterproof function.

[0006] The purpose of this utility model is achieved in this way:

[0007] A waterproof medicine applicator, comprising a vertically through-hole housing, a modular assembly with a liquid extraction function, a plug-in device, a liquid guide module, and a sealing ring. The modular assembly is provided with a bottle mouth connection cavity for connecting to a liquid storage bottle, and the sealing ring is spaced apart and sleeved on the modular assembly.

[0008] The modular component is inserted into the inner cavity of the housing through the lower port of the housing and the housing is locked to achieve connection between the modular component and the housing, the bottle mouth connection cavity is exposed outside the housing, and the sealing ring seals the gap between the housing and the modular component;

[0009] The liquid guide module is provided with a liquid guide inlet and a liquid guide outlet, the liquid guide inlet of the liquid guide module is connected to the modular component, and the liquid guide outlet is exposed outside the housing;

[0010] When the modular component is working, the modular component draws the liquid from the liquid storage bottle and discharges it to the liquid outlet of the liquid guide module.

[0011] The sealing ring effectively seals the gap between the modular components and the housing, preventing external moisture or liquid from entering the internal electrical components, ensuring the normal operation of the equipment in a humid environment and improving the waterproof performance and service life of the equipment.

[0012] The modular assembly integrates the pump, controller, and battery into a compact structure that is easy to assemble and disassemble. The modular assembly is inserted through the lower port of the housing and locked into place, enabling quick connection and fixation, significantly reducing assembly difficulty and production costs.

[0013] Through the rationally designed liquid guide module, the liquid is ensured to be discharged smoothly and evenly during the transmission process, which improves the accuracy of the care liquid delivery, avoids the common problems of uneven liquid delivery or blockage in traditional equipment, and ensures the care effect.

[0014] This device places the bottle nozzle connection cavity outside the housing, allowing users to easily replace the bottle without tedious disassembly and assembly steps. Furthermore, the connection between the liquid guide module and the modular components is reliable and well-sealed, allowing users to automatically discharge liquid by simply starting the device, making operation more convenient.

[0015] While maintaining comprehensive functionality, the device rationally arranges modular components, liquid guide modules and housing structure, making the overall size of the device compact and easy to carry and store, while ensuring the efficient operation of each component.

[0016] The purpose of the utility model can also be solved by the following technical measures:

[0017] Furthermore, the plug-in device includes an elastic plug-in seat and a locking hoop, the elastic plug-in seat is provided with the upper plug-in interface and the lower plug-in interface, and the upper plug-in interface and the lower plug-in interface are connected;

[0018] The liquid pump is also provided with a hollow upper plug-in terminal connected to the outlet of the liquid pump;

[0019] The liquid guide module is provided with a hollow lower plug-in terminal, and the hollow lower plug-in terminal is provided with the liquid guide inlet;

[0020] The hollow upper plug-in terminal is inserted into the upper plug-in interface, and the locking hoop is placed on the elastic plug-in seat, and the locking hoop and the hollow upper plug-in terminal jointly clamp the elastic plug-in seat;

[0021] The hollow lower plug-in terminal is inserted into the lower plug-in interface.

[0022] The locking collar effectively prevents the hollow upper connector from detaching from the resilient socket due to vibration or improper operation during the liquid transfer process. The locking collar secures the hollow upper connector firmly, ensuring the stability of the connection and preventing leakage of care solution or liquid or interruption of liquid supply due to loosening.

[0023] During the fluid transfer process, continuous liquid flow must be maintained within the device. The locking clamp prevents loosening or detachment of the connection, thereby ensuring a secure connection between the fluid transfer module and the pump, ensuring that the nursing solution / medicine solution can flow smoothly through the entire system, improving overall reliability.

[0024] The clamping action of the locking clip further enhances the sealing of the plug-in device, preventing liquid leakage caused by an unstable connection, and maintaining the tightness of the fluid system, especially during long-term use or pressure fluctuations.

[0025] Through the design of the elastic socket, the plug-in device has a certain elastic buffering effect, which can effectively absorb vibration and impact, avoid loose interfaces or leakage caused by external forces during use, and ensure that the flow path of the care solution / medicine solution is smooth and stable.

[0026] With the modular design, users can easily replace different fluid guide modules. They can complete the replacement of components by simply operating the plug-in device, which improves the flexibility and adaptability of the device to meet different care needs.

[0027] Furthermore, the elastic socket is a silicone elastic socket.

[0028] The elastic socket made of silicone material has excellent elasticity and durability, and can maintain good elastic deformation during repeated use, reducing wear or damage caused by frequent plugging and unplugging, thereby extending the service life of the equipment.

[0029] Silicone material has good flexibility and sealing properties. When used in conjunction with other components, it can effectively seal gaps, further enhancing the device's waterproofing and preventing liquids from leaking into key electronic components.

[0030] The flexible properties of the silicone elastic socket enable it to adapt to different sizes of plug ends, enhancing the versatility and compatibility of the plug device and ensuring a smooth and stable plugging process.

[0031] Compared with other high-strength materials, silicone materials are low in cost and easy to process and shape, which helps to control production costs and improve the market competitiveness of products.

[0032] The silicone material feels soft, giving users a more comfortable touch when operating, especially when the liquid guide module comes into contact with the scalp, providing a gentler care experience.

[0033] Furthermore, the housing is provided with a first connecting ear near its upper port;

[0034] The seat module includes an elastic pad and a base, the base is provided with the bottle mouth connecting cavity and the liquid discharge port, the elastic pad is placed in the bottle mouth connecting cavity, the elastic pad corresponding to the side wall of the bottle mouth connecting cavity is provided with a thread, and the elastic pad is provided with a liquid discharge opening at the position corresponding to the liquid discharge port;

[0035] The base is provided with a second connecting ear at a position corresponding to the upper connecting column;

[0036] The modular component passes through the lower port of the shell and extends into the inner cavity of the shell until the first connecting ear and the second connecting ear are buckled, thereby realizing the assembly of the modular component and the shell.

[0037] Furthermore, it also includes a bolt, the housing is a housing that is through-through from top to bottom, and the housing is provided with a first connecting ear near its upper port;

[0038] The seat module includes an elastic pad and a base, the base is provided with the bottle mouth connecting cavity and the liquid discharge port, the elastic pad is placed in the bottle mouth connecting cavity, the elastic pad corresponding to the side wall of the bottle mouth connecting cavity is provided with a thread, and the elastic pad is provided with a liquid discharge opening at the position corresponding to the liquid discharge port;

[0039] The base is provided with a second connecting ear at a position corresponding to the upper connecting column;

[0040] The modular component extends into the inner cavity of the shell through the lower port of the shell until the upper connecting column rests on the first connecting ear, and the bolt passes through the second connecting ear, and the second connecting ear locks the upper connecting column to realize the assembly of the modular component and the shell.

[0041] After the bolts pass through the second and first connecting ears, they securely lock the upper connecting column, securing the modular assembly to the housing. This design effectively prevents loosening or displacement of the assembly during use, ensuring long-term stable operation and improving the durability and reliability of the device.

[0042] The bolt-connected design allows for easy disassembly of modular components. When repairing, replacing, or cleaning internal components, users can quickly remove the components by simply removing the bolts. This design simplifies maintenance operations and improves the maintainability of the equipment.

[0043] By vertically passing modular components through the housing and fastening them together, internal space utilization is optimized. The vertically connected housing design makes the layout of each module more compact and reasonable, reducing the device's size, making it easier for users to carry and store, while also making the overall structure more aesthetically pleasing.

[0044] Furthermore, it also includes a hollow top cover, the head of the base module is provided with the bottle mouth connecting cavity, the head of the base module is exposed from the top of the shell, the hollow top cover is detachably arranged on the top of the shell, and the inner cavity of the hollow top cover forms a liquid storage bottle accommodating cavity.

[0045] The hollow top cover design allows the liquid storage bottle to be easily placed in the inner cavity of the housing, and the removable top cover allows for quick replacement of the liquid storage bottle. Users can simply open the top cover to replace or replenish the care solution / medicine solution, which is easy to operate and improves the convenience of use.

[0046] After the hollow top cover is combined with the shell, it not only protects the liquid storage bottle from pollution from the external environment, but also enhances the sealing of the entire device, prevents the leakage of the care solution / medicine solution, and ensures safety and hygiene during use.

[0047] A liquid storage bottle accommodating cavity is formed inside the top cover. Through reasonable space design, the volume of the entire device is saved, making the device more compact and portable, suitable for daily use and carrying.

[0048] The integrated design of the hollow top cover and the shell makes the appearance simpler and smoother, and the overall equipment looks more beautiful, which meets the aesthetic needs of modern users for product design.

[0049] The removable top cover design facilitates cleaning and maintenance. Users can easily clean the liquid storage bottle cavity after long-term use, reducing contamination problems caused by residual care solution / medicine solution, thereby extending the service life of the device.

[0050] Furthermore, the controller is a control circuit board, the control circuit board is provided with a charging socket, the shell has an opening corresponding to the position of the charging socket, and a detachable waterproof sealing plug is provided at the opening.

[0051] The removable waterproof sealing plug can tightly seal the charging port opening when the charging function is not in use, effectively preventing moisture and impurities from entering the shell, ensuring that the device can still work normally in humid environments and extending the life of the device.

[0052] When charging is needed, the waterproof sealing plug can be easily removed to expose the charging port, which is easy to operate and improves the user experience. After charging is completed, the sealing plug can be easily installed again to restore the waterproof state of the device.

[0053] The sealing plug is made of waterproof material with good corrosion resistance and weather resistance. It can maintain a stable sealing effect for a long time in various complex environments, thereby protecting the internal circuit and controller and reducing the risk of equipment failure due to water ingress.

[0054] The charging port and sealing plug are designed inside the shell, and the overall structure is compact, which does not affect the appearance of the device while taking into account the functionality and portability of the device, making the product more competitive in the market.

[0055] The beneficial effects of the utility model are as follows:

[0056] The utility model effectively seals the connection gap between the modular components and the shell through the provision of a sealing ring, preventing external moisture or liquid from entering the internal electrical components, ensuring the normal operation of the equipment in a humid environment, and improving the waterproof performance and service life of the equipment.

[0057] The utility model has a detachable waterproof sealing plug that can tightly seal the charging socket opening when the charging function is not in use, effectively preventing moisture and impurities from entering the shell, ensuring that the device can still work normally in a humid environment and extending the life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] Figure 1 Schematic diagram of the medicine applicator.

[0059] Figure 2 This is a schematic diagram of the medicine applicator from another angle.

[0060] Figure 3 It is a cross-sectional view of the medicine applicator.

[0061] Figure 4 This is an exploded view of the applicator.

[0062] Figure 5 This is an exploded view of the medicine applicator from another angle.

[0063] Figure 6 Schematic diagram of the separation of the medicine applicator and the hollow top cover.

[0064] Figure 7 This is the assembly diagram of the medicine applicator.

[0065] Figure 8 This is the assembly diagram of the medicine applicator from another angle.

[0066] Figure 9 Schematic diagram of the liquid guide module of the applicator.

[0067] Figure 10 This is a cross-sectional view of the liquid guide module of the applicator.

[0068] Figure 11 This is the assembly diagram of the liquid guide module of the applicator.

[0069] Figure 12 This is the assembly diagram of the liquid guide module of the applicator from another angle.

[0070] Figure 13 Schematic diagram of the modular components of the applicator.

[0071] Figure 14 A schematic diagram of the modular components of the applicator from another angle.

[0072] Figure 15 A cross-sectional view of the modular components of the applicator.

[0073] Figure 16 Assembly drawing of the modular components of the applicator.

[0074] Figure 17 This is an assembly diagram of the modular components of the applicator from another angle.

[0075] Figure 18 An exploded view of the modular components of the applicator. DETAILED DESCRIPTION

[0076] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0077] Example, combined with Figures 1 to 18 As shown, a medicine applicator includes a housing 1, a liquid guide module 2, a liquid pump 7, a base module 3 and a controller 4. The base module 3 is disposed in the housing 1 and has a bottle mouth connecting cavity 31 for connecting to a liquid storage bottle 400 and a liquid discharge port 32 for discharging liquid. The liquid discharge port 32 is in communication with the bottle mouth connecting cavity 31, and the bottle mouth connecting cavity 31 is exposed outside the housing 1.

[0078] The liquid pump 7 is disposed in the housing 1 , and the inlet of the liquid pump 7 is connected to the liquid discharge port 32 ;

[0079] The liquid guide module 2 is provided with a liquid guide inlet 21 and a liquid guide outlet 22. The liquid guide module 2 is connected to the housing 1. The liquid guide inlet 21 is connected to the outlet of the liquid pump 7.

[0080] The controller 4 is electrically connected to the liquid pump 7 , and the controller 4 controls the start and stop and / or speed regulation of the liquid pump 7 .

[0081] Furthermore, it also includes a hollow top cover 5, the head of the base module 3 is exposed from the top of the shell 1, the head of the base module 3 is provided with the bottle mouth connecting cavity 31, the hollow top cover 5 is detachably arranged on the top of the shell 1, and the inner cavity of the hollow top cover 5 forms a liquid storage bottle accommodating cavity 51.

[0082] Furthermore, it also includes a plug-in device 6, which includes an elastic plug-in seat 61 and a locking clamp 62. The elastic plug-in seat 61 is provided with an upper plug-in interface 611 and a lower plug-in interface 612, and the upper plug-in interface 611 and the lower plug-in interface 612 are connected;

[0083] The liquid pump 7 is also provided with a hollow upper plug-in terminal 71 connected to the outlet of the liquid pump 7;

[0084] The liquid guide module 2 is provided with a hollow lower plug-in terminal 23, and the hollow lower plug-in terminal 23 is provided with the liquid guide inlet 21;

[0085] The hollow upper plug-in terminal 71 is inserted into the upper plug-in interface 611, and the locking hoop 62 is sleeved on the elastic plug-in seat 61. The locking hoop 62 and the hollow upper plug-in terminal 71 clamp the elastic plug-in seat 61 together.

[0086] The hollow lower plug-in terminal 23 is inserted into the lower plug-in interface 612 .

[0087] Furthermore, it includes a battery 100, a lower bracket 8, an upper bracket 9 and a pressure plate 10. The lower end of the elastic socket 61 is provided with the lower plug interface 612. The lower bracket 8 is provided with a lower opening 81 having a diameter larger than the lower end of the elastic socket 61. The elastic socket 61 is seated on the lower bracket 8. The pressure plate 10 is fixed to the lower bracket 8. The pressure plate 10 and the lower bracket 8 jointly clamp the elastic socket 61. The lower end of the elastic socket 61 extends outward through the lower opening 81.

[0088] The left side of the upper bracket 9 is provided with a battery installation area 91, the right side of the upper bracket 9 is provided with a liquid pump installation area 92, the top of the upper bracket 9 is provided with a seat module installation area 93, and the bottom of the upper bracket 9 is provided with a controller installation area 94;

[0089] The battery 100 is fixedly arranged in the battery installation area 91;

[0090] The liquid pump 7 is fixedly arranged in the liquid pump installation area 92;

[0091] The seat module 3 is fixedly arranged in the seat module installation area 93;

[0092] The controller 4 is a control circuit board, which is provided with a function switch 41 , a power switch 42 and a charging socket 43 . The controller 4 is fixedly arranged in the controller installation area 94 , and the function switch 41 faces the elastic socket 61 .

[0093] The battery 100, the controller 4 and the liquid pump 7 are electrically connected, and the battery 100 supplies power to the controller 4 and the liquid pump 7. The elastic socket 61 moves to touch or away from the function switch 41, thereby controlling the start and stop and / or speed regulation of the liquid pump 7.

[0094] The lower bracket 8 is provided with a lower connecting column 82, and the lower connecting column 82 is connected to the upper bracket 9. The upper bracket 9 is provided with an upper connecting column 95, and the upper connecting column 95 extends upward to connect the base module 3 to form a modular component 200, and a sealing ring 201 is spaced apart on the modular component 200.

[0095] Furthermore, it also includes a liquid guide tube 202. The side wall of the locking clamp 62 is provided with a notch 621. The liquid guide tube 202 passes through the notch 621. One end of the liquid guide tube 202 is connected to the outlet of the liquid pump 7. The other end of the liquid guide tube 202 is provided with the hollow upper plug terminal 71.

[0096] Furthermore, it also includes bolts, the housing 1 is a housing 1 that is through-through from top to bottom, and the housing 1 is provided with a first connecting ear 11 near its upper port;

[0097] The base module 3 includes an elastic pad 33 and a base 34. The base 34 defines the bottle mouth connection cavity 31 and the liquid discharge port 32. The elastic pad 33 is disposed within the bottle mouth connection cavity 31. The elastic pad 33 is provided with threads 331 corresponding to the sidewall of the bottle mouth connection cavity 31. The elastic pad 33 has a liquid discharge opening 332 corresponding to the liquid discharge port 32.

[0098] The base 34 is provided with a second connecting ear 341 at a position corresponding to the upper connecting column 95;

[0099] The modular component 200 extends through the lower port of the shell 1 into the inner cavity of the shell 1 until the upper connecting column 95 rests on the first connecting ear 11. The bolt passes through the first connecting ear 11 and the second connecting ear 341 to lock the upper connecting column 95. The sealing ring 201 seals the gap between the shell 1 and the modular component 200, thereby realizing the assembly of the modular component 200 and the shell 1.

[0100] The housing 1 is provided with a button 12 at a position corresponding to the power switch 42 , and the housing 1 has an opening 13 at a position corresponding to the charging socket 43 . A detachable waterproof sealing plug 131 is provided at the opening 13 .

[0101] In other embodiments, the bolts are eliminated and the first connecting ear 11 and the second connecting ear 341 are clamped together to similarly achieve assembly of the modular component 200 and the housing 1 .

[0102] Furthermore, it also includes a decorative cover 300, the tail of which is clamped in the inner cavity of the shell 1, the head of which passes through the upper port of the shell 1 and exposes the shielding bolts outside the shell 1, and the head of the decorative cover 300 is provided with an installation port 301, which is connected to the bottle mouth connection cavity 31.

[0103] Furthermore, it also includes a hollow top cover 5, the side walls of the head of the decorative cover 300 are spaced apart with card slots 302, and the inner walls of the hollow top cover 5 are spaced apart with card blocks 52. The head of the decorative cover 300 is inserted into the inner cavity of the hollow top cover 5, and the card blocks 52 enter the card slots 302 and clamp them. The hollow top cover 5 is detachably arranged on the top of the shell 1, and the inner cavity of the hollow top cover 5 forms a liquid storage bottle accommodating cavity 51.

[0104] Furthermore, the liquid guide module 2 has a built-in liquid separation cavity 24, the top of the liquid guide module 2 is provided with the hollow lower plug terminal 23, the bottom of the liquid guide module 2 is spaced apart with a hollow liquid guide column 25, the hollow liquid guide column 25 has the liquid guide outlet 22, and the hollow lower plug terminal 23, the liquid separation cavity 24 and the hollow liquid guide column 25 are connected;

[0105] The bottom wall of the liquid separation chamber 24 is separated by a liquid guide opening 13 connected to the hollow liquid guide column 25. The bottom wall of the liquid separation chamber 24 is provided with a tapered portion 26 between the liquid guide openings 13. The tip of the tapered portion 26 faces the hollow lower plug-in terminal 23. The side wall of the tapered portion 26 is separated by a first liquid flow channel 27. A second liquid flow channel 28 is provided between the liquid guide opening 13 and the tapered portion 26. One end of the second liquid flow channel 28 is connected to the liquid guide opening 13, and the other end of the second liquid flow channel 28 is connected to the first liquid flow channel 27.

[0106] Furthermore, the liquid guide module 2 includes an upper cover 20, a sealing ring 201 and a lower cover 29. The upper cover 20 is provided with the hollow lower plug terminal 23. The lower cover 29 is provided with the liquid separation cavity 24. The bottom of the lower cover 29 is provided with the hollow liquid guide column 25.

[0107] The upper cover 20 and the lower cover 29 are assembled to close the liquid separation chamber 24 . The sealing ring 201 is disposed between the upper cover 20 and the lower cover 29 to close the connection gap between the upper cover 20 and the lower cover 29 .

[0108] How to replace the liquid storage bottle 400

[0109] Remove the hollow top cover 5: First, the user removes the hollow top cover 5 from the top of the housing 1. The hollow top cover 5 is connected to the card slot 302 of the decorative cover 300 through the card block 52, and the user only needs to rotate or directly lift the top cover to remove it.

[0110] Taking out the old liquid storage bottle 400: After removing the hollow top cover 5, the liquid storage bottle 400 will be exposed in the accommodating cavity of the decorative cover 300. The user can easily take out the old liquid storage bottle 400 from the decorative cover 300.

[0111] Replace the new liquid storage bottle 400: Place the new liquid storage bottle 400 in the receiving cavity of the decorative cover 300, ensuring that the bottle mouth is aligned with the bottle mouth connection cavity 31 of the base module 3. The bottle mouth is connected to the thread 331, and the user can tighten the liquid storage bottle 400 to ensure a seal.

[0112] Install the hollow top cover 5: Reinstall the hollow top cover 5 on the top of the housing 1, align the block 52 and the slot 302, press and rotate gently until you hear a locking sound, and the replacement is completed.

[0113] Steps for users to start the applicator

[0114] Turn on the power switch 42: Press the button 12 on the housing 1 to start the power switch 42 of the medicine applicator. At this time, the battery 100 starts to power the controller 4 and the liquid pump 7, and the device enters the standby state.

[0115] Contacting the liquid guiding module 2 to the scalp: Place the applicator on the scalp to ensure that the hollow liquid guiding column 25 of the liquid guiding module 2 contacts the scalp.

[0116] Liquid-dispensing module 2 moves upward to activate liquid-dispensing pump 7: When liquid-dispensing module 2 contacts the scalp, it moves slightly upward. At this point, elastic connector 61 moves and contacts function switch 41, causing controller 4 to activate liquid-dispensing pump 7. Liquid-dispensing pump 7 draws the care solution from reservoir 400 and evenly distributes it to the scalp through liquid-dispensing module 2.

[0117] How drainage works

[0118] After the liquid pump 7 is started, the care liquid in the liquid storage bottle 400 is extracted from the bottle mouth connecting cavity 31 through the connected liquid guide tube 202 and transported to the hollow lower plug-in terminal 23 of the liquid guide module 2.

[0119] After the nursing liquid enters the liquid guiding module 2, it first passes through the liquid separation chamber 24. The bottom wall of the liquid separation chamber 24 is provided with a plurality of liquid guiding openings 13, where the liquid is distributed.

[0120] The tapered portion 26 in the liquid separation chamber 24 and the first liquid flow channel 27 and the second liquid flow channel 28 therebetween can control the flow rate and direction of the liquid to ensure uniform distribution of the care liquid.

[0121] The care liquid is finally evenly discharged through the liquid outlet 22 of the hollow liquid guide column 25, achieving the effect of caring for the scalp.

[0122] Waterproof principle of the applicator

[0123] Sealing design of the housing 1: Each modular component 200 in the housing 1 is sealed by a sealing ring 201, especially in the connection gap between the housing 1 and the modular component 200, a sealing ring 201 is used to prevent liquid from penetrating.

[0124] Waterproof sealing plug 131: A detachable waterproof sealing plug 131 is provided at the charging socket 43 of the housing 1. When the user is not using the charging socket 43, he or she covers the sealing plug to prevent moisture from entering the internal circuit.

[0125] The above multiple waterproof measures ensure that the applicator has good waterproof performance when in use and can work normally even in a humid environment.

Claims

1. A waterproof drug applicator, comprising a vertically through-hole housing, a modular assembly with a liquid extraction function, a plug-in device, a liquid guide module, and a sealing ring, characterized in that: The modular component is provided with a bottle mouth connection cavity for connecting to a liquid storage bottle, and the sealing ring is sleeved on the modular component at intervals; The modular component is inserted into the inner cavity of the housing through the lower port of the housing and the housing is locked to achieve connection between the modular component and the housing, the bottle mouth connection cavity is exposed outside the housing, and the sealing ring seals the gap between the housing and the modular component; The liquid guide module is provided with a liquid guide inlet and a liquid guide outlet, the liquid guide inlet of the liquid guide module is connected to the modular component, and the liquid guide outlet is exposed outside the housing; When the modular component is working, the modular component draws the liquid from the liquid storage bottle and discharges it to the liquid outlet of the liquid guide module.

2. The waterproof medicine applicator according to claim 1, characterized in that: The modular assembly includes a liquid pump, a seat module, a controller, a battery, a lower bracket, an upper bracket and a plug-in device. The left side of the upper bracket is provided with a battery installation area, the right side of the upper bracket is provided with a liquid pump installation area, the top of the upper bracket is provided with a seat module installation area, and the bottom of the upper bracket is provided with a circuit board installation area; The base module is provided with a bottle mouth connection cavity for connecting to the liquid storage bottle and a liquid discharge port for discharging liquid, and the base module is fixedly arranged in the base module installation area; The liquid pump is fixedly arranged in the liquid pump installation area, and the inlet of the liquid pump is connected to the liquid discharge port; The circuit board is fixedly arranged in the circuit board installation area; The battery is fixedly arranged in the battery installation area; The upper connecting post of the upper bracket extends upward to connect to the base module, and the lower connecting post of the lower bracket passes through the circuit board to connect to the upper bracket; The plug-in device is provided with an upper plug-in interface and a lower plug-in interface for connecting a liquid guide module or a liquid drain, the upper plug-in interface and the lower plug-in interface are in communication, and the plug-in device is provided on the lower bracket; The outlet of the liquid pump is connected to the upper plug interface; The battery, the controller and the liquid pump are electrically connected. The battery supplies power to the controller and the liquid pump, and the controller controls the operation of the liquid pump.

3. The waterproof medicine applicator according to claim 2, characterized in that: The plug-in device includes an elastic plug-in seat and a locking clamp, the elastic plug-in seat is provided with the upper plug-in interface and the lower plug-in interface, and the upper plug-in interface and the lower plug-in interface are connected; The liquid pump is also provided with a hollow upper plug-in terminal connected to the outlet of the liquid pump; The liquid guide module is provided with a hollow lower plug-in terminal, and the hollow lower plug-in terminal is provided with the liquid guide inlet; The hollow upper plug-in terminal is inserted into the upper plug-in interface, and the locking hoop is placed on the elastic plug-in seat, and the locking hoop and the hollow upper plug-in terminal jointly clamp the elastic plug-in seat; The hollow lower plug-in terminal is inserted into the lower plug-in interface.

4. The waterproof medicine applicator according to claim 3, characterized in that: The elastic socket is a silicone elastic socket.

5. The waterproof medicine applicator according to claim 3, characterized in that: The housing is provided with a first connecting ear near the upper port thereof; The base module includes an elastic pad and a base, the base is provided with the bottle mouth connection cavity and the liquid discharge port, the elastic pad is placed in the bottle mouth connection cavity, the elastic pad corresponding to the side wall of the bottle mouth connection cavity is provided with a thread, and the elastic pad is provided with a liquid discharge opening at the position corresponding to the liquid discharge port; The base is provided with a second connecting ear at a position corresponding to the upper connecting column; The modular component passes through the lower port of the shell and extends into the inner cavity of the shell until the first connecting ear and the second connecting ear are buckled, thereby realizing the assembly of the modular component and the shell.

6. The waterproof medicine applicator according to claim 3, characterized in that: The housing is a through-hole housing, and a first connecting ear is provided near an upper port of the housing. The base module includes an elastic pad and a base, the base is provided with the bottle mouth connection cavity and the liquid discharge port, the elastic pad is placed in the bottle mouth connection cavity, the elastic pad corresponding to the side wall of the bottle mouth connection cavity is provided with a thread, and the elastic pad is provided with a liquid discharge opening at the position corresponding to the liquid discharge port; The base is provided with a second connecting ear at a position corresponding to the upper connecting column; The modular component extends into the inner cavity of the shell through the lower port of the shell until the upper connecting column rests on the first connecting ear, and the bolt passes through the second connecting ear, and the second connecting ear locks the upper connecting column to realize the assembly of the modular component and the shell.

7. The waterproof medicine applicator according to claim 2, characterized in that: It also includes a hollow top cover, the head of the base module is provided with the bottle mouth connecting cavity, the head of the base module is exposed from the top of the shell, the hollow top cover is detachably arranged on the top of the shell, and the inner cavity of the hollow top cover forms a liquid storage bottle accommodating cavity.

8. The waterproof medicine applicator according to claim 2, characterized in that: The controller is a control circuit board, and the control circuit board is provided with a charging socket. The shell has an opening corresponding to the position of the charging socket, and a detachable waterproof sealing plug is provided at the opening.