Double-ended bottle

Abstract

The application discloses a double-head bottle, which comprises a bottle body, a spraying assembly and a rolling ball assembly. The bottle body is internally provided with a containing cavity, and the two ends of the bottle body are respectively provided with a first liquid outlet and a second liquid outlet away from each other, and the first liquid outlet and the second liquid outlet are both communicated with the containing cavity. The spraying assembly is arranged at the first liquid outlet and comprises a spray head and a first liquid passage, the first liquid passage is communicated with the containing cavity and the spray head, and is used for atomizing and spraying the liquid medicine in the containing cavity through the spray head. The rolling ball assembly is arranged at the second liquid outlet and comprises a rolling ball and a second liquid passage, the second liquid passage is communicated with the containing cavity and the rolling ball, the rolling ball is rollably arranged at the second liquid outlet, and is used for coating the liquid medicine in the containing cavity through the rolling ball. The double-head bottle has both the spraying and atomizing liquid outlet and the rolling ball coating liquid outlet, so that the use convenience of the external medicine bottle is improved.

Description

Technical Field

[0001] This invention relates to the field of medical container technology, and in particular to a double-ended bottle. Background Technology

[0002] Topical medications are a common form of drug administration in clinical practice and daily life, widely used in skin care, insect bite prevention, local anti-inflammatory and antipruritic applications, massage therapy, and other scenarios. In actual use, users' needs for the method of administration often vary depending on the area to be covered and the application site. For example, for large areas of skin such as the arms, legs, and back, users typically prefer to use a spray to evenly cover the skin surface before manually applying the medication. For smaller areas such as insect bites, localized redness and swelling, and acupoints, users tend to use a rollerball for precise application, leveraging the roller's movement to massage and promote absorption.

[0003] However, currently available topical medication bottles typically have only one dispensing port, which can only accommodate one type of dispensing mechanism. Specifically, spray bottles have an atomizing pump and nozzle at the nozzle, allowing the medication to be atomized and sprayed out by pressing; roll-on bottles have a ball and ball groove at the nozzle, allowing the medication to be carried out and applied to the skin surface by the rolling ball. Because spray and roll-on mechanisms differ significantly in their dispensing principles, installation methods, and sealing requirements, they are difficult to integrate at the same dispensing port. Therefore, existing topical medication bottles generally only offer a single dispensing function, either a spray or a roll-on, and cannot simultaneously provide both large-area atomized spray administration and small-area roll-on application administration within the same container.

[0004] When users need both large-area spraying and localized rollerball application in the same usage scenario, they often need to carry two separate containers: a spray bottle and a rollerball bottle. This not only increases the burden of carrying them but also reduces the convenience of use. Therefore, how to simultaneously achieve spray atomization and rollerball application of topical medications on a single bottle is a technical problem that urgently needs to be solved in this field. Summary of the Invention

[0005] The embodiments of the present invention provide a dual-headed bottle, which aims to solve the technical problem that existing external medicine bottles cannot simultaneously meet the needs of large-area spray atomization drug delivery and small-area roller ball application drug delivery.

[0006] In a first aspect, the present invention provides a double-ended bottle, comprising: a bottle body having a receiving cavity, a first liquid outlet, and a second liquid outlet, the first liquid outlet and the second liquid outlet being respectively disposed at opposite ends of the bottle body and both communicating with the receiving cavity; a spray assembly disposed at the first liquid outlet, the spray assembly including a nozzle and a first liquid outlet channel, the first liquid outlet channel communicating with the receiving cavity and the nozzle; and a ball bearing assembly disposed at the second liquid outlet, the ball bearing assembly including a ball bearing and a second liquid outlet channel, the second liquid outlet channel communicating with the receiving cavity and the ball bearing, the ball bearing being rotatably disposed at the second liquid outlet.

[0007] Compared with the prior art, the beneficial effects of the present invention are: In the technical solution of this invention, the double-ended bottle includes a bottle body, a spray assembly, and a roller assembly. The bottle body has a receiving cavity, and a first liquid outlet and a second liquid outlet are respectively located at opposite ends of the bottle body, both communicating with the receiving cavity. The spray assembly is located at the first liquid outlet and includes a nozzle and a first liquid outlet channel, which connects the receiving cavity and the nozzle, for atomizing and spraying the liquid medicine in the receiving cavity through the nozzle. The roller assembly is located at the second liquid outlet and includes a roller ball and a second liquid outlet channel, which connects the receiving cavity and the roller ball. The roller ball is rotatably disposed at the second liquid outlet for dispensing the liquid medicine in the receiving cavity through the roller ball. This double-ended bottle allows the same container to perform both atomized spray dispensing and roller-applied dispensing methods, meeting the needs of spray dispensing for large areas of skin and roller-applied dispensing for small, localized areas, thus improving the ease of use of external medicine bottles. Attached Figure Description

[0008] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0009] Figure 1 This is a schematic cross-sectional view of the double-headed bottle according to an embodiment of the present invention; Figure 2 This is a three-dimensional schematic diagram of the double-headed bottle in the opened state according to an embodiment of the present invention; Figure 3 This is a schematic cross-sectional view of the double-ended bottle in the open state according to an embodiment of the present invention; Figure 4 This is a structural cross-sectional schematic diagram of another embodiment of the double-ended bottle in the open cap state according to an embodiment of the present invention; Figure 5A partially enlarged cross-sectional view A is a schematic diagram of another embodiment of the double-ended bottle in the open cap state of the present invention. Figure 6 This is a three-dimensional schematic diagram of the internal structure of the second cap of the double-headed bottle according to an embodiment of the present invention; Figure label explanation: 10. Bottle body; 11. Receiving cavity; 12. First liquid outlet; 13. Second liquid outlet; 20. Spray assembly; 21. Nozzle; 22. First liquid outlet channel; 23. Atomizing pump; 24. Drainage pipe; 25. First cap; 30. Ball bearing assembly; 31. Ball bearing; 32. Second liquid outlet channel; 33. Second cap; 34. Mounting groove; 35. Liquid passage hole; 36. Liquid collection tank; 37. Liquid collection arc surface; 38. Ball bearing liquid preparation chamber; 39. One-way membrane; 40. First cover; 50. Second cover; 51. Pressure ring. Detailed Implementation

[0010] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0011] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0012] In order to solve the technical problem that existing spraying devices cannot independently store multiple incompatible liquids and accurately and synchronously mix and spray them out during use, this invention proposes a double-headed bottle.

[0013] Reference Figures 1 to 6The double-ended bottle of the present invention includes: a bottle body 10, wherein the bottle body 10 is provided with a receiving cavity 11, a first liquid outlet 12 and a second liquid outlet 13, the first liquid outlet 12 and the second liquid outlet 13 being respectively disposed at opposite ends of the bottle body 10 and both communicating with the receiving cavity 11; a spray assembly 20 disposed at the first liquid outlet 12, the spray assembly 20 including a nozzle 21 and a first liquid outlet channel 22, the first liquid outlet channel 22 communicating with the receiving cavity 11 and the nozzle 21; and a ball bearing assembly 30 disposed at the second liquid outlet 13, the ball bearing assembly 30 including a ball bearing 31 and a second liquid outlet channel 32, the second liquid outlet channel 32 communicating with the receiving cavity 11 and the ball bearing 31, the ball bearing 31 being rotatably disposed at the second liquid outlet 13.

[0014] The double-ended bottle includes a bottle body 10, a spray assembly 20, and a roller assembly 30. The bottle body 10 is the main structure of the double-ended bottle, and its interior has a receiving cavity 11 for holding the liquid medicine. The bottle body 10 has a first outlet 12 and a second outlet 13, which are located at opposite ends of the bottle body 10 and are both connected to the receiving cavity 11. In this embodiment, the bottle body 10 is generally elongated, with the first outlet 12 located at one end and the second outlet 13 located at the other end, facing opposite directions. The receiving cavity 11 extends from the side of the first outlet 12 to the side of the second outlet 13. The liquid medicine is stored within the receiving cavity 11 and can be discharged externally through the first outlet 12 and the second outlet 13, respectively. The outer wall shape of the bottle body 10 is adapted to the user's hand operation, making it easy for the user to hold the bottle body 10 when administering medication by spray or by applying medication with the roller ball 31.

[0015] The spray assembly 20 is located at the first liquid outlet 12. The spray assembly 20 includes a nozzle 21 and a first liquid outlet channel 22. The first liquid outlet channel 22 connects the receiving cavity 11 and the nozzle 21. The liquid medication in the receiving cavity 11 can be transported to the nozzle 21 via the first liquid outlet channel 22 and sprayed out in an atomized form by the nozzle 21. The nozzle 21 is located outside the bottle body 10. When a large area of ​​medication needs to be sprayed, the user holds the bottle body 10 and points the first liquid outlet 12 towards the area to be treated. Operating the nozzle 21 allows the liquid medication to be atomized and sprayed out from the nozzle 21 via the first liquid outlet channel 22. The liquid medication is evenly covered on the skin surface in a mist form, suitable for medication administration to large areas of skin such as the arms, legs, and back. The first liquid outlet channel 22 guides the liquid medication in the receiving cavity 11 to the nozzle 21, realizing the delivery of the liquid medication from the receiving cavity 11 to the nozzle 21.

[0016] The rollerball assembly 30 is located at the second dispensing port 13. The rollerball assembly 30 includes a roller ball 31 and a second dispensing channel 32. The second dispensing channel 32 connects the receiving cavity 11 and the roller ball 31, allowing the medication in the receiving cavity 11 to be delivered to the surface of the roller ball 31 via the second dispensing channel 32. The roller ball 31 is rotatably disposed at the second dispensing port 13. A portion of the roller ball 31 is located inside the bottle body 10 and communicates with the second dispensing channel 32, while the other portion protrudes outside the bottle body 10 to contact the skin. When a small area needs to be treated with the roller ball 31, the user holds the bottle body 10 with the second dispensing port 13 facing the area to be treated, places the roller ball 31 against the skin, and rolls it along the skin surface. During rolling, the roller ball 31 applies the medication delivered by the second dispensing channel 32 to the skin surface. This is suitable for administering medication to small areas such as insect bites, localized redness and swelling, and acupoints. The rolling of the roller ball 31 also provides a massage effect on the skin, helping to promote medication absorption.

[0017] In this embodiment, a first liquid outlet 12 and a second liquid outlet 13 are respectively provided at both ends of the bottle body 10. A spray assembly 20 is provided at the first liquid outlet 12, and a roller ball assembly 30 is provided at the second liquid outlet 13. The spray assembly 20 and the roller ball assembly 30 share the same receiving cavity 11 containing the medication. Users can achieve both spray atomization and roller ball application on the same dual-headed bottle, eliminating the need to carry separate spray bottles and roller ball bottles, reducing carrying burden and improving the convenience of using external medication bottles.

[0018] In one embodiment, the first liquid outlet channel 22 includes an atomizing pump 23 and a drainage tube 24. The atomizing pump 23 is located at the first liquid outlet 12. The nozzle 21 is located outside the bottle body 10 and connected to the atomizing pump 23. The drainage tube 24 is located inside the receiving cavity 11. One end of the drainage tube 24 is connected to the atomizing pump 23, and the other end of the drainage tube 24 extends into the receiving cavity 11.

[0019] The first liquid outlet channel 22 includes an atomizing pump 23 and a drainage tube 24. The atomizing pump 23 is located at the first liquid outlet 12 and is installed in conjunction with the first liquid outlet 12 of the bottle body 10, allowing the atomizing pump 23 to draw liquid medicine from the receiving cavity 11. The nozzle 21 is located outside the bottle body 10 and is connected to the atomizing pump 23. The atomizing pump 23 delivers the drawn liquid medicine to the nozzle 21, and the nozzle 21 sprays the liquid medicine outward in an atomized form. When the user presses or operates the atomizing pump 23, a pressure change occurs inside the atomizing pump 23. The liquid medicine in the receiving cavity 11 is drawn into the atomizing pump 23 under pressure and, after being pressurized by the atomizing pump 23, is sprayed out from the nozzle 21 to form a mist of liquid droplets, thereby achieving large-area spray drug delivery.

[0020] A drainage tube 24 is disposed inside the receiving cavity 11. One end of the drainage tube 24 is connected to the nebulizer pump 23, and the other end of the drainage tube 24 extends into the receiving cavity 11. The drainage tube 24 is used to guide the liquid medicine in the receiving cavity 11 to the nebulizer pump 23, so that the liquid medicine can be stably delivered from inside the receiving cavity 11 to the nebulizer pump 23. After the other end of the drainage tube 24 extends into the receiving cavity 11, this end of the drainage tube 24 is below the liquid medicine surface. When the user operates the nebulizer pump 23, the liquid medicine enters the drainage tube 24 through this end of the drainage tube 24 and flows along the drainage tube 24 to the nebulizer pump 23. The length of the drainage tube 24 is adapted to the depth of the receiving cavity 11, so that the other end of the drainage tube 24 can fully extend into the liquid medicine, ensuring that the drainage tube 24 can continue to draw liquid medicine even when the liquid medicine surface drops.

[0021] With the cooperation of the nebulizer pump 23 and the drainage tube 24, the first liquid outlet channel 22 forms a complete drug delivery path: the drug in the receiving cavity 11 enters the nebulizer pump 23 through the drainage tube 24, and the nebulizer pump 23 pressurizes the drug and then atomizes it through the nozzle 21. The liquid outlet process of the spray assembly 20 is stable and controllable. Each time the user operates the nebulizer pump 23, a single spray can be administered. The operation is simple and suitable for uniform drug delivery to large areas of skin such as the arms, legs, and back.

[0022] In one embodiment, the spray assembly 20 further includes a first cap 25, which covers the first liquid outlet 12 and is connected to the bottle body 10, and the atomizing pump 23 passes through the first cap 25.

[0023] The spray assembly 20 also includes a first cap 25. The first cap 25 is affixed to the first liquid outlet 12 of the bottle body 10. The first cap 25 is connected to the bottle body 10 and seals the first liquid outlet 12, preventing the liquid in the receiving cavity 11 from leaking out from the first liquid outlet 12. The connection between the first cap 25 and the bottle body 10 can be a threaded connection. That is, the inner wall of the first cap 25 has internal threads, and the outer periphery of the bottle body 10 has external threads that mate with the internal threads. The first cap 25 is fixed to the bottle body 10 by screwing on the threads. The threaded connection facilitates the assembly and disassembly of the first cap 25. After the liquid is filled, the first cap 25 is screwed onto the first liquid outlet 12 to complete the sealing. When it is necessary to clean or replace the atomizing pump 23, the first cap 25 can be unscrewed to access the inside of the bottle body 10.

[0024] The nebulizer 23 is installed through the first cap 25. Specifically, the first cap 25 has a mounting hole through which the nebulizer 23 passes. The pump body of the nebulizer 23 passes through the mounting hole, forming a sealed fit between the nebulizer 23 and the mounting hole, preventing the liquid medicine from leaking out from the gap between the nebulizer 23 and the first cap 25. The nebulizer 23 has an operating end on the side of the first cap 25 facing the outside of the bottle body 10. The user drives the nebulizer 23 by pressing the operating end. The side of the first cap 25 facing the receiving cavity 11 is connected to one end of the drainage tube 24, which guides the liquid medicine in the receiving cavity 11 to the nebulizer 23. The first cap 25, while sealing the first outlet 12, also serves as the mounting base for the nebulizer 23, ensuring that the nebulizer 23 is stably fixed at the first outlet 12 of the bottle body 10, preventing the nebulizer 23 from loosening or shifting during use.

[0025] With the setting of the first cap 25, the assembly structure of the spray assembly 20 is more compact. The first cap 25 integrates the sealing function of the first liquid outlet 12 with the installation function of the atomizing pump 23, which simplifies the assembly process between the bottle body 10 and the spray assembly 20, while ensuring the sealing of the receiving cavity 11 and reducing the risk of leakage of the medicine from the first liquid outlet 12 during storage and transportation.

[0026] In one embodiment, the ball bearing assembly 30 further includes a second cover 33, which is installed on the second liquid outlet 13. The second cover 33 is provided with an installation groove 34 and a liquid passage hole 35. The second liquid outlet channel 32 includes the liquid passage hole 35. The ball bearing 31 is rotatably installed in the installation groove 34. The liquid passage hole 35 connects the receiving cavity 11 and the installation groove 34.

[0027] The roll-on assembly 30 also includes a second cap 33. The second cap 33 is installed at the second outlet 13 of the bottle body 10, sealing the second outlet 13 to prevent leakage of the medicine from the receiving cavity 11. The connection between the second cap 33 and the bottle body 10 can be an interference fit, meaning the outer circumference of the second cap 33 is slightly larger than the inner diameter of the second outlet 13. After the second cap 33 is pressed into the second outlet 13, its outer circumference fits tightly against the inner wall of the second outlet 13, forming a seal. The interference fit ensures a strong and reliable connection between the second cap 33 and the bottle body 10, preventing leakage of the medicine from the second outlet 13 during carrying and transportation.

[0028] The second cap 33 has a mounting groove 34 and a liquid passage 35. The mounting groove 34 is located on the side of the second cap 33 opposite to the receiving cavity 11. The mounting groove 34 is recessed inward from the outer surface of the second cap 33 and is used to accommodate the roller ball 31. The roller ball 31 is rotatably mounted in the mounting groove 34. The diameter of the roller ball 31 is larger than the size of the opening of the mounting groove 34, so that the roller ball 31 will not fall out of the mounting groove 34. At the same time, a part of the roller ball 31 protrudes outside the opening of the mounting groove 34 so that it can contact the skin when the roller ball 31 is applied to administer medication. The roller ball 31 can roll freely around its own axis in the mounting groove 34. When the user places the roller ball 31 against the skin and moves it along the skin surface, the roller ball 31 rolls due to the friction of the skin surface, and the liquid medication adhering to the surface of the roller ball 31 is applied to the skin.

[0029] A liquid passage 35 is formed on the second cap 33, extending through the second cap 33 along its thickness direction. One end of the liquid passage 35 communicates with the receiving cavity 11, and the other end communicates with the mounting groove 34. The second liquid outlet channel 32 includes the liquid passage 35. The liquid medicine in the receiving cavity 11 enters the liquid passage 35 through the second liquid outlet 13, then flows through the liquid passage 35 into the mounting groove 34, and finally reaches the surface of the roller ball 31. When the roller ball 31 rolls in the mounting groove 34, the surface of the roller ball 31 continuously contacts the liquid medicine in the mounting groove 34. The liquid medicine adheres to the surface of the roller ball 31 and is carried out by the roller ball 31 to the skin, realizing the application of medication by the roller ball 31.

[0030] Through the cooperation of the second cap 33, the mounting groove 34, and the liquid passage 35, the rolling ball assembly 30 forms a complete drug delivery path at the second liquid outlet 13: the drug in the receiving cavity 11 enters the mounting groove 34 through the liquid passage 35, and the drug in the mounting groove 34 adheres to the surface of the rolling ball 31. When the rolling ball 31 rolls, it applies the drug to the skin. The rolling ball assembly 30 has a compact structure. The second cap 33 simultaneously functions as sealing the second liquid outlet 13, mounting the rolling ball 31, and guiding the drug. It is suitable for precise drug delivery to small areas such as mosquito bites, local redness and swelling, and acupoints. The rolling of the rolling ball 31 also provides a massage effect on the skin, which helps promote drug absorption.

[0031] In one embodiment, the second cover 33 is further provided with a liquid collection tank 36, which is located in the receiving cavity 11, and the liquid passage hole 35 connects the liquid collection tank 36 with the mounting groove 34.

[0032] The second cap 33 is also provided with a liquid collection groove 36. The liquid collection groove 36 is located on the side of the second cap 33 facing the receiving cavity 11. The liquid collection groove 36 is formed by recessing from the surface of the second cap 33 into the receiving cavity 11, so that the entire liquid collection groove 36 is located inside the receiving cavity 11. When the double-ended bottle is placed with the spray assembly 20 facing upward and the roller assembly 30 facing downward, the liquid collection groove 36 is located in the lowest area of ​​the receiving cavity 11, and the liquid in the receiving cavity 11 naturally gathers into the liquid collection groove 36 under the action of gravity. The concave shape of the liquid collection groove 36 allows the liquid to be concentrated in the bottom area of ​​the liquid collection groove 36, rather than being dispersed and remaining on the flat bottom surface of the receiving cavity 11, thereby reducing the amount of liquid residue at the bottom of the bottle.

[0033] One end of the liquid passage 35 is connected to the liquid collection tank 36, and the other end is connected to the mounting groove 34. The liquid medicine in the receiving cavity 11 first flows into the liquid collection tank 36, then from the liquid collection tank 36 through the liquid passage 35, and finally reaches the mounting groove 34 and adheres to the surface of the ball bearing 31. The liquid collection tank 36 becomes the intermediate collection area between the receiving cavity 11 and the liquid passage 35. The liquid medicine accumulates in the liquid collection tank 36 before reaching the liquid passage 35, so that the liquid passage 35 can always obtain liquid medicine from the liquid collection tank 36. Even if the liquid medicine level in the receiving cavity 11 has dropped to a lower position, the liquid collection tank 36 can still maintain a certain amount of liquid medicine for the ball bearing assembly 30 to use.

[0034] During the spray drug delivery process, the bottle 10 is used with the spray assembly 20 facing upwards. The liquid collection tank 36 is located at the lowest point of the receiving cavity 11, and the other end of the drainage tube 24 extends into the liquid collection tank 36. The nebulizer pump 23 draws the drug solution from the liquid collection tank 36 through the drainage tube 24. As the drug solution is gradually consumed, the remaining drug solution in the receiving cavity 11 continuously gathers into the liquid collection tank 36 under the action of gravity. The liquid collection tank 36 concentrates the residual liquid near the liquid outlet 35, allowing the nebulizer pump 23 to draw as much drug solution as possible and reduce residue at the bottom of the bottle. During the application of the drug solution by the roller ball 31, the drug solution in the liquid collection tank 36 flows into the mounting groove 34 through the liquid outlet 35, and the roller ball 31 applies the drug solution to the skin surface as it rolls.

[0035] By incorporating the liquid collection tank 36, the second cap 33, in addition to sealing the second outlet 13, installing the ball bearing 31, and guiding the liquid, further undertakes the function of collecting residual liquid. The liquid collection tank 36 allows the liquid in the receiving cavity 11 to concentrate near the liquid outlet 35 at the end of its use, which not only improves the extraction efficiency of the spray assembly 20 for residual liquid but also ensures that the ball bearing assembly 30 can still dispense liquid normally when the liquid volume is low, thus reducing liquid waste.

[0036] In one embodiment, the liquid collection tank 36 is provided with a liquid collection arc surface 37, which is bent toward the liquid passage hole 35 to collect the liquid in the receiving cavity 11 to the liquid passage hole 35.

[0037] The inner wall of the liquid collection tank 36 is provided with a liquid collection arc surface 37. The liquid collection arc surface 37 is at least a part of the inner wall of the liquid collection tank 36. The liquid collection arc surface 37 is generally arc-shaped and concave. The curvature direction of the liquid collection arc surface 37 is towards the liquid passage hole 35. That is, the liquid collection arc surface 37 gradually converges and bends downward from the edge area of ​​the liquid collection tank towards the direction of the liquid passage hole 35, so that the lowest point of the liquid collection arc surface 37 is located near the entrance of the liquid passage hole 35. The arc-shaped contour of the liquid collection arc surface 37 makes the inner wall of the liquid collection tank 36 form a funnel-shaped guiding structure. The liquid in the receiving cavity 11 slides downward along the liquid collection arc surface 37 under the action of gravity and naturally gathers towards the lowest point of the liquid collection arc surface 37, and finally flows to the liquid passage hole 35.

[0038] The curved shape of the liquid-gathering arc surface 37 corresponds to the position of the liquid-passing hole 35. The liquid-passing hole 35 is located in the lowest region of the liquid-gathering arc surface 37. The liquid-gathering arc surface 37 gradually narrows from all sides towards the liquid-passing hole 35, allowing the liquid to flow towards the liquid-passing hole 35 under the guidance of the liquid-gathering arc surface 37, rather than remaining on the side wall or edge region of the liquid-gathering tank 36. When the amount of liquid in the receiving cavity 11 decreases to a lower level, the remaining liquid can still continue to converge towards the liquid-passing hole 35 under the guidance of the liquid-gathering arc surface 37, preventing the liquid from adhering to the flat area of ​​the liquid-gathering tank 36 due to surface tension and being unable to flow. The arc transition of the liquid-gathering arc surface 37 also reduces the retention of liquid at the corners of the inner wall of the liquid-gathering tank 36, allowing the liquid to flow smoothly from the liquid-gathering tank 36 into the liquid-passing hole 35.

[0039] During the spray drug delivery process, the bottle 10 is used with the spray assembly 20 facing upwards. The liquid collection tank 36 is located at the lowest point of the receiving cavity 11. The liquid collection arc surface 37 guides the residual liquid to the vicinity of the liquid passage hole 35. The other end of the drainage tube 24 is located in the lowest area of ​​the liquid collection arc surface 37. The atomizing pump 23 draws the drug liquid from the lowest point of the liquid collection arc surface 37 through the drainage tube 24, so that the residual liquid can be drawn as fully as possible. During the application of the drug by the ball bearing 31, the liquid collection arc surface 37 gathers the drug liquid to the liquid passage hole 35. The drug liquid flows into the mounting groove 34 through the liquid passage hole 35 and adheres to the surface of the ball bearing 31, ensuring that the ball bearing assembly 30 can still stably dispense the drug liquid even when the amount of drug liquid is small.

[0040] The flow guiding capacity of the liquid collection tank 36 is further enhanced by the design of the liquid collection arc surface 37. The liquid collection arc surface 37 uses the arc-shaped surface to guide the liquid, so that the residual liquid in the receiving cavity 11 can be concentrated near the liquid passage 35 at the end of use, reducing the amount of liquid residue at the bottom of the bottle, improving the utilization rate of the liquid, and reducing the waste caused by liquid residue and the risk of biological hazards after disposal.

[0041] In one embodiment, the end of the drainage tube 24 away from the atomizing pump 23 extends into the receiving cavity 11 near the end of the second liquid outlet 13.

[0042] The end of the drainage tube 24 away from the atomizing pump 23 extends into the receiving cavity 11 near the second liquid outlet 13. Since the second liquid outlet 13 is located at one end of the bottle body 10, and the liquid collection tank 36 is located on the side of the second cap 33 facing the receiving cavity 11 and within the receiving cavity 11, the liquid collection tank 36 is situated in the region of the receiving cavity 11 near the second liquid outlet 13. The end of the drainage tube 24 away from the atomizing pump 23 extends to the end of the receiving cavity 11 near the second liquid outlet 13, meaning this end of the drainage tube 24 penetrates into the region where the liquid collection tank 36 is located, so that the liquid inlet position of the drainage tube 24 corresponds to the position of the liquid collection tank 36.

[0043] During the aerosol drug delivery process, the bottle 10 is used with the spray assembly 20 facing upwards and the roller assembly 30 facing downwards, with the liquid collection tank 36 located at the lowest point of the receiving cavity 11. The drug solution in the receiving cavity 11 converges into the liquid collection tank 36 under gravity. The end of the drainage tube 24 furthest from the nebulizer pump 23 is located in the area of ​​the liquid collection tank 36, and the nebulizer pump 23 draws the drug solution from the liquid collection tank 36 through the drainage tube 24. As the drug solution is gradually consumed, the liquid level in the receiving cavity 11 continuously decreases. Because the inlet end of the drainage tube 24 extends to the end of the receiving cavity 11 near the second outlet 13, the inlet end of the drainage tube 24 is always located in the lowest area where the drug solution converges. Even if the liquid level has dropped to near the bottom of the bottle, the drainage tube 24 can still draw residual liquid from the liquid collection tank 36, preventing the drug solution from being unable to be drawn out due to the liquid level being below the inlet end of the drainage tube 24.

[0044] One end of the drainage tube 24, away from the atomizing pump 23, extends into the receiving cavity 11 near the second liquid outlet 13, so that the liquid inlet position of the drainage tube 24 coincides with the liquid collection position of the liquid collection tank 36. The extraction path of the spray assembly 20 and the liquid collection path of the ball bearing assembly 30 work together in the bottom area of ​​the bottle. The liquid collection tank 36 collects residual liquid near the liquid outlet 35, and the liquid inlet end of the drainage tube 24 is also located in the area where residual liquid collects. The atomizing pump 23 can make full use of the liquid collected in the liquid collection tank 36, further reducing the amount of residual liquid at the bottom of the receiving cavity 11 and improving the utilization rate of the liquid.

[0045] In one embodiment, the second cap 33 is further provided with a ball-loaded liquid preparation chamber 38 and a one-way membrane 39. The ball-loaded liquid preparation chamber 38 is located between the liquid collection tank 36 and the liquid passage 35. The one-way membrane 39 is located between the liquid collection tank 36 and the ball-loaded liquid preparation chamber 38. The one-way membrane 39 allows the liquid to flow unidirectionally from the liquid collection tank 36 to the ball-loaded liquid preparation chamber 38.

[0046] The second cap 33 also includes a ball-loaded liquid preparation chamber 38 and a one-way membrane 39. The ball-loaded liquid preparation chamber 38 is located between the liquid collection tank 36 and the liquid passage 35, specifically downstream of the liquid collection tank 36 and upstream of the liquid passage 35, along the direction of liquid flow from the liquid collection tank 36 to the mounting tank 34. The ball-loaded liquid preparation chamber 38 is an independent cavity inside the second cap 33, with its inlet facing the liquid collection tank 36 and its outlet facing the liquid passage 35. The ball-loaded liquid preparation chamber 38 stores a certain amount of liquid as a local supply source for the ball-loaded medication during application.

[0047] A one-way membrane 39 is disposed between the liquid collection tank 36 and the bead-loaded liquid preparation chamber 38. The one-way membrane 39 separates the liquid collection tank 36 and the bead-loaded liquid preparation chamber 38 into two regions. The one-way membrane 39 allows the liquid to flow from the liquid collection tank 36 side to the bead-loaded liquid preparation chamber 38 side, but prevents the liquid from flowing back from the bead-loaded liquid preparation chamber 38 side to the liquid collection tank 36 side. When the bead-loaded liquid preparation chamber 38 is not yet full of liquid, the liquid in the liquid collection tank 36 pushes open the one-way membrane 39 under the action of pressure difference, and the liquid flows from the liquid collection tank 36 into the bead-loaded liquid preparation chamber 38 through the one-way membrane 39. When the bead-loaded liquid preparation chamber 38 is full of liquid, the pressure on both sides of the one-way membrane 39 tends to be balanced, the one-way membrane 39 closes, and the liquid no longer flows into the bead-loaded liquid preparation chamber 38. When the user applies the medicine in the ball-loaded liquid preparation chamber 38 by the ball 31, the pressure in the ball-loaded liquid preparation chamber 38 decreases, and the medicine in the liquid collection tank 36 pushes open the one-way membrane 39 again to replenish the ball-loaded liquid preparation chamber 38, so as to achieve on-demand liquid replenishment.

[0048] The liquid medicine in the receiving cavity 11 flows into the liquid collection tank 36. The liquid medicine in the liquid collection tank 36 flows into the ball bearing preparation chamber 38 through the one-way membrane 39. The liquid medicine in the ball bearing preparation chamber 38 flows into the mounting groove 34 through the liquid hole 35. The liquid medicine in the mounting groove 34 adheres to the surface of the ball bearing 31. The liquid medicine can only flow in one direction as described above and cannot flow back in the opposite direction.

[0049] In actual use, the roller ball 31 comes into direct contact with the skin surface, and during its rolling motion, it picks up sebum, dust, microorganisms, and other contaminants from the skin. Without the barrier of the one-way membrane 39, the contaminants on the surface of the roller ball 31 may flow back into the liquid collection tank 36 along with the medication through the mounting groove 34 and the liquid passage 35, and then into the receiving cavity 11, contaminating all the medication stored in the receiving cavity 11. With the one-way membrane 39 installed, even if the contaminants on the surface of the roller ball 31 enter the liquid passage 35 or the roller ball preparation chamber 38, the one-way membrane 39 will prevent the contaminants from continuing to flow back towards the liquid collection tank 36. The medication in the receiving cavity 11 is isolated from the contaminants on the roller ball 31 side by the one-way membrane 39, and the medication in the receiving cavity 11 remains clean.

[0050] Through the cooperation of the ball bearing preparation chamber 38 and the one-way membrane 39, the ball bearing assembly 30 achieves one-way supply of medicine while dispensing medicine normally. The ball bearing preparation chamber 38 provides a stable local source of medicine for the ball bearing 31, and the one-way membrane 39 prevents the medicine and contaminants from flowing in the opposite direction, avoiding contamination of the medicine in the receiving chamber 11 by dirt on the side of the ball bearing 31, and ensuring the hygiene and safety of the double-ended bottle during multiple uses.

[0051] In one embodiment, the double-headed bottle further includes a first cap 40 and a second cap 50. The first cap 40 covers the nozzle 21 on the side away from the bottle body 10 and is detachably connected to the bottle body 10. The second cap 50 covers the ball bearing 31 on the side away from the bottle body 10 and is detachably connected to the bottle body 10.

[0052] The double-ended bottle also includes a first cap 40 and a second cap 50. The first cap 40 covers the side of the nozzle 21 away from the bottle body 10, and is detachably connected to the bottle body 10. The second cap 50 covers the side of the ball bearing 31 away from the bottle body 10, and is detachably connected to the bottle body 10. The first cap 40 and the second cap 50 respectively protect the liquid dispensing structures at both ends of the double-ended bottle, keeping the double-ended bottle in a sealed and protected state when not in use.

[0053] The first cap 40 covers the outside of the nozzle 21. The internal space of the first cap 40 is adapted to the shape of the nozzle 21, and the nozzle 21 is housed inside the first cap 40, which completely covers the nozzle 21. The first cap 40 is detachably connected to the bottle body 10, for example, by a snap-fit ​​method. That is, the inner wall of the first cap 40 has a buckle, and the outer wall of the bottle body 10 has a groove that engages with the buckle. After the first cap 40 is fastened to the bottle body 10, the buckle and the groove engage, and the first cap 40 is fixed to the bottle body 10. When the user needs to spray medication, the first cap 40 can be removed from the bottle body 10 to expose the nozzle 21 for operation. After the first cover 40 covers the nozzle 21, the nozzle 21 is shielded by the first cover 40, making it difficult for external dust and debris to adhere to the surface of the nozzle 21. At the same time, the first cover 40 provides physical protection for the nozzle 21, preventing the nozzle 21 from being bumped or accidentally pressed during carrying, and preventing the medicine from being accidentally sprayed out in the bag or pocket.

[0054] The second cap 50 covers the outside of the roller ball 31. The internal space of the second cap 50 is adapted to the portion of the roller ball 31 that protrudes from the bottle body 10. The roller ball 31 is housed inside the second cap 50, which completely covers the roller ball 31. The second cap 50 and the bottle body 10 are also detachably connected, for example, by a snap-fit ​​mechanism. The inner wall of the second cap 50 has a buckle, and the outer wall of the bottle body 10 has a groove that engages with the buckle. After the second cap 50 is fastened to the bottle body 10, it is fixed in place. When the user needs to apply medication using the roller ball 31, the second cap 50 is removed from the bottle body 10, exposing the roller ball 31 for use. After the second cap 50 covers the roller ball 31, the roller ball 31 is shielded by the second cap 50, making it less likely for the surface of the roller ball 31 to come into contact with external dust and contaminants. This keeps the surface of the roller ball 31 clean and prevents it from becoming dirty and coming into contact with the skin again when not in use, thus avoiding discomfort or contamination.

[0055] Both the first cap 40 and the second cap 50 are detachably connected to the bottle body 10. When switching between spray administration and rollerball application, the user only needs to remove the cap from the corresponding end. After use, the cap is reattached to the bottle body 10, making the operation simple and quick. The first cap 40 and the second cap 50 provide independent protection for both ends of the double-ended bottle, ensuring that the spray assembly 20 and the rollerball assembly 30 are in a closed state when not in use. This reduces the risk of liquid leakage and external contamination, improving the safety and hygiene of the double-ended bottle during transport and storage.

[0056] In one embodiment, the second cap 50 is provided with a pressure ring 51, which protrudes from the second cap 50 toward the ball bearing 31. When the second cap 50 is combined with the bottle body 10, the pressure ring 51 presses against the ball bearing 31 to restrict the rolling of the ball bearing 31.

[0057] A pressure ring 51 is provided on the second cap 50. The pressure ring 51 protrudes from the side of the second cap 50 toward the ball 31, that is, the pressure ring 51 protrudes from the inner surface of the second cap 50 toward the ball 31. The shape of the pressure ring 51 is adapted to the outer surface of the ball 31, and the height of the pressure ring 51 protruding from the inner surface of the second cap 50 is set so that when the second cap 50 is assembled and fastened with the bottle body 10, the end of the pressure ring 51 just abuts against the outer surface of the ball 31 that is exposed outside the mounting groove 34.

[0058] When the user fastens the second cap 50 onto the bottle body 10, the second cap 50 moves toward the bottle body 10, and the pressure ring 51 moves closer to the ball bearing 31 along with the second cap 50. With the second cap 50 and bottle body 10 fully assembled, the pressure ring 51 presses against the outer surface of the ball bearing 31, applying pressure to the ball bearing 31 toward the bottle body 10. Under the pressure of the pressure ring 51, the ball bearing 31 is pressed tightly into the mounting groove 34, and the relative position between the ball bearing 31 and the mounting groove 34 is fixed, preventing the ball bearing 31 from rolling freely within the mounting groove 34.

[0059] During the carrying and transportation of the double-ended bottle, the bottle body 10 may experience various posture changes such as bumping, tilting, and flipping. If the ball bearing 31 is not fixed, it will roll freely within the mounting groove 34 as the bottle body 10 shakes. The rolling of the ball bearing 31 will cause the liquid in the mounting groove 34 to shake, and the liquid may seep out from the gap between the ball bearing 31 and the mounting groove 34, causing leakage. The pressure ring 51 presses against the ball bearing 31 when the second cap 50 is fastened, locking the ball bearing 31 in a fixed position within the mounting groove 34, eliminating the possibility of the ball bearing 31 rolling on its own due to external vibration or posture changes, thereby avoiding liquid leakage caused by the free rolling of the ball bearing 31.

[0060] When the user needs to apply medication using the roller ball 31, the second cap 50 is removed from the bottle body 10. The pressure ring 51 moves away from the roller ball 31 along with the second cap 50, releasing the pressure on the roller ball 31. The roller ball 31 then returns to its free-rolling state within the mounting groove 34, allowing the user to apply medication normally using the roller ball 31. After use, the second cap 50 is reattached to the bottle body 10, and the pressure ring 51 presses against the roller ball 31 again, securing the roller ball 31 back in place.

[0061] With the pressure ring 51, the second cap 50, in addition to covering the ball bearing 31 and preventing external contamination, further functions to fix the ball bearing 31 and prevent it from rolling freely. The pressure ring 51 and the second cap 50 are integrated, eliminating the need for an additional locking mechanism. The structure is simple, and the user can automatically lock and release the ball bearing 31 during the process of fastening and removing the second cap 50. This convenient operation effectively reduces the risk of leakage from the double-ended bottle due to the rolling of the ball bearing 31 during transport and storage.

[0062] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A double-ended bottle, characterized in that, include: The bottle body has a receiving cavity, a first liquid outlet and a second liquid outlet. The first liquid outlet and the second liquid outlet are respectively located at both ends of the bottle body, which are far apart from each other, and both communicate with the receiving cavity. A spray assembly is provided at the first liquid outlet. The spray assembly includes a nozzle and a first liquid outlet channel, and the first liquid outlet channel connects the receiving cavity and the nozzle. A ball bearing assembly is provided at the second liquid outlet. The ball bearing assembly includes a ball bearing and a second liquid outlet channel. The second liquid outlet channel connects the receiving cavity and the ball bearing. The ball bearing is rotatably disposed at the second liquid outlet.

2. The double-ended bottle according to claim 1, characterized in that, The first liquid outlet channel includes an atomizing pump and a drainage tube. The atomizing pump is located at the first liquid outlet. The nozzle is located outside the bottle body and connected to the atomizing pump. The drainage tube is located inside the receiving cavity. One end of the drainage tube is connected to the atomizing pump, and the other end of the drainage tube extends into the receiving cavity.

3. The double-ended bottle according to claim 2, characterized in that, The spray assembly also includes a first cap, which is disposed on the first liquid outlet and connected to the bottle body, and the atomizing pump passes through the first cap.

4. The double-ended bottle according to claim 2, characterized in that, The ball bearing assembly further includes a second cover, which is installed at the second liquid outlet. The second cover has an installation groove and a liquid passage hole. The second liquid outlet channel includes the liquid passage hole. The ball bearing is rotatably installed in the installation groove. The liquid passage hole connects the receiving cavity and the installation groove.

5. The double-ended bottle according to claim 4, characterized in that, The second cover is also provided with a liquid collection tank, which is located in the receiving cavity, and the liquid passage hole connects the liquid collection tank and the mounting groove.

6. The double-ended bottle according to claim 5, characterized in that, The liquid collection tank is provided with a liquid collection arc surface, which is bent toward the liquid passage hole to collect the liquid in the receiving cavity into the liquid passage hole.

7. The double-ended bottle according to claim 5, characterized in that, The end of the drainage tube away from the atomizing pump extends into the receiving cavity near the second liquid outlet.

8. The double-ended bottle according to claim 5, characterized in that, The second cap is also provided with a ball-loaded liquid preparation chamber and a one-way membrane. The ball-loaded liquid preparation chamber is located between the liquid collection tank and the liquid passage hole. The one-way membrane is located between the liquid collection tank and the ball-loaded liquid preparation chamber. The one-way membrane allows the liquid to flow unidirectionally from the liquid collection tank to the ball-loaded liquid preparation chamber.

9. The double-ended bottle according to claim 1, characterized in that, It also includes a first cap and a second cap, the first cap being disposed on the side of the nozzle away from the bottle body and detachably connected to the bottle body, and the second cap being disposed on the side of the ball away from the bottle body and detachably connected to the bottle body.

10. The double-ended bottle according to claim 9, characterized in that, The second cap is provided with a pressure ring, which protrudes from the second cap toward the ball bearing. When the second cap is combined with the bottle body, the pressure ring presses against the ball bearing to restrict the ball bearing from rolling.

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