Quick-change dosing bottle

The quick-replacement dispensing bottle with a split structure solves the problem of mouthwash bottles not being completely emptied, achieving full utilization of the liquid and reducing costs.

CN122166424APending Publication Date: 2026-06-09HANGZHOU BAIXI BRAND MANAGEMENT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HANGZHOU BAIXI BRAND MANAGEMENT CO LTD
Filing Date
2026-04-15
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing mouthwash bottles cannot be completely emptied, leading to waste and requiring complete replacement, which increases the cost for consumers.

Method used

The quick-replacement metering bottle features a modular design, comprising the bottle body, cap, replacement device, and suction device. It is designed for quick disassembly and assembly via threaded connections, ensuring complete liquid drainage and minimizing waste.

Benefits of technology

It achieves complete utilization of liquids, reduces consumer usage costs, avoids waste, and features a simple and easy-to-use design.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122166424A_ABST
    Figure CN122166424A_ABST
Patent Text Reader

Abstract

The application discloses a quick replacement quantitative bottle, which comprises a bottle body, a bottle cap, a replacement device and a material suction device; the bottle body is detachably connected with the replacement device, and the bottle cap is detachably connected with the replacement device; the material suction device comprises a suction pipe and a liquid outlet piece; the liquid outlet piece comprises a liquid outlet part and a sealing part; a part of the suction pipe is connected with the liquid outlet part, a free end of the suction pipe is in a space surrounded by the bottle body, and the sealing part is sealingly connected with the bottle body and the replacement device; the liquid outlet piece is provided with a liquid outlet hole, and the liquid outlet part is connected with the sealing part through the liquid outlet hole; the replacement device is provided with a hollow cavity, and the liquid outlet hole is in a space surrounded by the hollow cavity.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of liquid containers, particularly to containers for mouthwash, and specifically to a quick-replacement metering bottle. Background Technology

[0002] Mouthwash, also known as a mouthwash, primarily functions to clean the mouth, mask bad breath caused by bacteria or yeast breaking down food residue, and leave a comfortable, fresh feeling in the mouth. The main ingredients of mouthwash include flavorings, surfactants, fluoride, strontium chloride, and water. Too much or too little mouthwash should be used each time; too little will not remove bad breath, while too much will be wasteful.

[0003] Existing mouthwash bottles have a volume far exceeding the amount of mouthwash needed for a single rinse, forcing users to rely on experience to measure the amount, making it difficult to precisely measure the amount. Therefore, a more precise measure has been designed for mouthwash. For example, patent number 2014203970679 discloses a bottle with a built-in measuring cup, comprising a bottle body, a neck, and a cap. The cap screws onto the bottle opening, and the neck is an upward-opening measuring cup. A recessed structure is provided at the connection between the bottle body and the neck with an interference fit. A metering pressure valve is located at the bottom of the recessed structure, and a conduit extends from the lower part of the metering pressure valve to the bottom of the bottle body. A liquid guide rod extends from the upper part of the metering pressure valve, and at least one liquid guide port is located on the upper side wall of the liquid guide rod, connected to the conduit via the metering pressure valve. At least one volume line is located inside or outside the neck and below the liquid guide port; when the cap is closed, the cap does not cover the volume line. Because the measuring cup and bottle are integrated, when only a small amount of mouthwash remains in the bottle, the metering pressure valve cannot empty all the remaining mouthwash, resulting in waste; moreover, the entire bottle needs to be replaced, leading to higher usage costs for consumers. Summary of the Invention

[0004] The present invention aims to solve the problem that existing mouthwash bottles cannot be emptied and require complete replacement.

[0005] The present invention provides a quick-replacement metering bottle to address the above-mentioned technical problems.

[0006] The technical solution described in this invention is: A quick-replacement metering bottle includes a bottle body, a cap, a replacement device, and a suction device; the bottle body and the replacement device are detachably connected, and the cap and the replacement device are also detachably connected; the suction device includes a pipette and a dispensing component, the dispensing component includes a dispensing section and a sealing section, a portion of the pipette is connected to the dispensing section, the free end of the pipette is in the space enclosed by the bottle body, and the sealing section is sealed to both the bottle body and the replacement device; the dispensing component is provided with a dispensing hole, and the dispensing section communicates with the sealing section; the replacement device is provided with a hollow cavity, and the dispensing hole is in the space enclosed by the hollow cavity.

[0007] Preferably, the replacement device includes a replacement outer shell and a replacement inner shell, the bottle cap is detachably connected to the replacement outer shell, the replacement outer shell is detachably connected to the replacement inner shell, and the replacement inner shell is detachably connected to the bottle body.

[0008] Preferably, the bottle body and the replacement device are connected by a threaded connection, and the bottle cap and the replacement device are connected by a threaded connection, with the two threaded connections rotating in opposite directions.

[0009] Preferably, it also includes a cover, which is disposed between the replacement device and the bottle cap, and the cover is sealed to the replacement device.

[0010] Preferably, the hollow cavity is cylindrical, the bottle part connected to the replacement device is a cylindrical bottle mouth, and the diameter of the hollow cavity is at least 1.5 times the diameter of the bottle mouth.

[0011] Preferably, a sealing gasket is provided inside the bottle cap, and the sealing gasket covers the replacement device.

[0012] Preferably, the connection between the bottle body and the replacement inner shell is a threaded connection, the connection between the replacement inner shell and the replacement outer shell is a threaded connection, the connection between the bottle cap and the replacement outer shell is a threaded connection, the rotation direction of the thread between the bottle body and the replacement inner shell is the same as the rotation direction of the thread between the replacement inner shell and the replacement outer shell, and the rotation direction of the thread between the bottle body and the replacement inner shell is opposite to the rotation direction of the thread between the bottle cap and the replacement outer shell.

[0013] Preferably, the hollow cavity includes an eccentric cavity and a main cavity, the eccentric cavity being located at the end of the hollow cavity near the bottle cap, and the axis of the eccentric cavity being offset from the axis of the main cavity.

[0014] Compared with the prior art, the present invention has the following advantages and effects: This application adopts a split structure, which retains the functions of quantitative liquid dispensing and preventing contamination of the liquid inside the bottle. When liquid needs to be replenished, simply unscrew the replacement device for quick replacement of the refill, reducing the user's cost compared to existing disposable bottles. Furthermore, when only a small amount of liquid remains in the bottle, simply unscrew the replacement device to pour out the remaining liquid, avoiding waste. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, 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 these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the present invention; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This is an exploded view of the present invention; Figure 4 This is a cross-sectional view of Embodiment 3 of the present invention; Figure 5 for Figure 4 A magnified view of a portion of the image; Figure 6 This is an exploded view of Example 3; Figure 7 This is a schematic diagram of the eccentric port of the replacement device.

[0017] Label: 1-Bottle body; 2-Bottle cap; 3-Replacement device; 4-Suction device; 5-Suction tube; 6-Liquid outlet component; 7-Liquid outlet section; 8-Sealing section; 9-Liquid outlet hole; 10-Cover component; 11-Sealing gasket; 12-Eccentric cavity; 13-Main cavity; 21-Bottle cap outer shell; 22-Bottle cap inner shell; 31 - Replace inner shell; 32 - Replace outer shell; 121 - Eccentric opening. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to the embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0019] Example 1: A quick-replacement dispensing bottle includes a bottle body, a cap, a replacement device, and a dispensing device. The bottle body has a conventional shape, such as cylindrical, elliptical, or square. The cap also has a conventional shape, such as cylindrical, elliptical, or square. Figure 1 As shown, the bottle body 1 has an elliptical cylindrical shape, and the bottle cap 2 has a cylindrical shape.

[0020] The replacement device serves as an intermediary structure between the bottle body and the cap. It features a hollow cavity to hold the liquid drawn from the bottle. One end of the replacement device is detachably connected to the bottle body, and the other end is detachably connected to the cap; alternatively, one end of the replacement device is detachably connected to the bottle body via an additional component, and the other end is also detachably connected to the cap via an additional component. Figure 1 and 2 As shown, the replacement device 3 is shaped like a frustum of a cone, with a cylindrical hollow cavity. One end of the replacement device 3 is connected to the bottle body 1 via a thread, and the other end is connected to the bottle cap 2 via a thread. Preferably, the two threads rotate in opposite directions. This opposite thread direction ensures that the connection between the replacement device 3 and the bottle body 1 will not loosen when the bottle cap 2 is unscrewed. For example, the thread direction between the replacement device 3 and the bottle body 1 is left-handed, and the thread direction between the replacement device 3 and the bottle cap 2 is right-handed. Furthermore, the thread between the replacement device 3 and the bottle cap 2 is a multi-start thread, such as a three-start thread. Multi-start threads can achieve faster linear motion at the same rotation speed, enabling the bottle cap to be unscrewed or tightened more quickly. Preferably, the replacement device is equipped with anti-retraction teeth, which adopt the serrated structure of an anti-retraction screw. Figure 3 As shown, a cover 10 is provided between the replacement device 3 and the bottle cap 2. The cover 10 is used to seal the hollow cavity. The cover 10 can be a sealing film, sealing sheet, or other structure. This embodiment does not provide any limiting examples of the detachable connection method; both threaded and sleeve connections are implementation methods. The diameter of the hollow cavity is at least 1.5 times the diameter of the bottle mouth, for example, 1.5 times or 2 times.

[0021] The liquid inside the bottle enters the replacement device through a suction device. The suction device can be manual or automatic. Manual suction involves squeezing the bottle to draw in the liquid, while automatic suction involves using an electric pump. When squeezing the bottle to draw in the liquid, the bottle material should be one that can deform under pressure, such as plastic. The suction device includes a straw and a liquid outlet. The liquid outlet includes an outlet section and a sealing section. A portion of the straw is connected to the outlet section, and the free end of the straw is within the space enclosed by the bottle. The sealing section is sealed to both the bottle and the replacement device. The liquid outlet has an outlet hole, which communicates with the sealing section. The outlet hole is within the space enclosed by a hollow cavity. Figure 2and 3 As shown, the bottom of the liquid outlet 6 is connected to the bottle body, the middle part of the liquid outlet 6 is connected to the replacement device, and the top of the liquid outlet 6 extends into the cylindrical cavity of the replacement device 3. The liquid outlet 6 simultaneously seals the bottle body 1 and the replacement device 3. The inner surface of the liquid outlet 6 is the liquid outlet part 7, and the outer surface of the liquid outlet 6 is the sealing part 8. At least one through hole is opened on the top of the liquid outlet 6, which is the liquid outlet hole 9; one end of the straw 5 is inserted into the liquid outlet 6, and the other end of the straw 5 extends into the bottom of the bottle body 1.

[0022] The working principle of this application is as follows: when needed, the liquid inside the bottle is vented by squeezing the bottle body, and the liquid flows through the straw to the liquid outlet and overflows into the replacement device from the discharge port; at the same time, since squeezing the bottle body will not contact the replacement device, the replacement device will not be pressurized and cause the liquid inside to flow, so the liquid in the replacement device will not flow back into the bottle body.

[0023] Example 2: This embodiment, based on the structure of Embodiment 1, includes a bottle cap with an outer shell and an inner shell. For example... Figure 3 As shown, the bottle cap 2 includes a bottle cap outer shell 21 and a bottle cap inner shell 22. The bottle cap inner shell 22 is fitted inside the bottle cap outer shell 21 with an interference fit. A sealing gasket 11 is provided inside the bottle cap inner shell 22. The sealing gasket 11 covers the port of the replacement device 3. The sealing gasket 11 is a conventional liquid container PE foam gasket used to enhance the seal.

[0024] Example 3: This embodiment, based on the basic structure of Embodiment 1, includes a replacement inner shell and a replacement outer shell. The bottle cap is detachably connected to the replacement outer shell, the replacement outer shell is detachably connected to the replacement inner shell, and the replacement inner shell is detachably connected to the bottle body. The thread rotation direction between the bottle body and the replacement inner shell is the same as the thread rotation direction between the replacement inner shell and the replacement outer shell, while the thread rotation direction between the bottle body and the replacement inner shell is opposite to the thread rotation direction between the bottle cap and the replacement outer shell. This thread arrangement ensures that the connection between the replacement inner shell and the bottle body, as well as the connection between the replacement inner shell and the replacement outer shell, will not loosen when the bottle cap is unscrewed. For example, the replacement outer shell is fitted inside the replacement inner shell with an interference fit; or, as... Figure 4 and 5 As shown, the replacement inner shell 31 and the replacement outer shell 32 are connected by threads. The replacement inner shell 31 is threaded to the bottle body 1, and the replacement outer shell 32 is threaded to the inner shell 22 of the bottle cap. The thread direction of the replacement inner shell 31 and the bottle body 1 is left-handed, and the thread direction of both the replacement inner shell 31 and the replacement outer shell 32 is left-handed. The thread direction of the replacement device 3 and the bottle cap 2 is right-handed. Preferably, the thread of the replacement outer shell 32 and the bottle cap 2 is a multi-start thread, such as a three-start thread. Multi-start threads can achieve faster linear motion at the same rotation speed, enabling the bottle cap to be opened or tightened more quickly.

[0025] Example 4: This embodiment, based on the basic structure of Embodiment 1, includes an eccentric cavity and a main cavity in the hollow cavity of the replacement device. The eccentric cavity is located at the end of the hollow cavity near the bottle cap, and its axis deviates from the axis of the main cavity. Figure 5-7 As shown, the hollow cavity includes an eccentric cavity 12 and a main cavity 13. The main cavity 13 is used to contain liquid, and the eccentric cavity 12 is used to discharge liquid. The outlet of the eccentric cavity 12 is an eccentric port 121. The eccentric port design reduces the pouring angle when drinking mouthwash, avoiding choking when drinking quickly at a large angle. Also, because the eccentric port 121 is located on the side and the opening is designed to be the lowest point, the mouthwash will eventually flow to the lowest point without any residue.

[0026] Furthermore, it should be noted that the shapes and names of the parts and components described in the specific embodiments described in this specification may differ. All equivalent or simple variations made to the structure, features, and principles described in this patent concept are included within the protection scope of this patent. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not depart from the structure of this invention or exceed the scope defined in these claims, they should all fall within the protection scope of this invention.

Claims

1. A quick-replacement metering bottle, characterized in that, The device includes a bottle body, a bottle cap, a replacement device, and a suction device. The bottle body and the replacement device are detachably connected, and the bottle cap and the replacement device are also detachably connected. The suction device includes a straw and a liquid dispensing component. The liquid dispensing component includes a liquid dispensing section and a sealing section. A portion of the straw is connected to the liquid dispensing section, and the free end of the straw is within the space enclosed by the bottle body. The sealing section is sealed to both the bottle body and the replacement device. The liquid dispensing component has a liquid dispensing hole, and the liquid dispensing section communicates with the sealing section. The replacement device has a hollow cavity, and the liquid dispensing hole is within the space enclosed by the hollow cavity.

2. The quick-replacement metering bottle according to claim 1, characterized in that, The replacement device includes a replacement outer shell and a replacement inner shell. The bottle cap is detachably connected to the replacement outer shell, the replacement outer shell is detachably connected to the replacement inner shell, and the replacement inner shell is detachably connected to the bottle body.

3. The rapid-replacement metering bottle according to claim 1, characterized in that, The bottle body is connected to the replacement device by a threaded connection, and the bottle cap is connected to the replacement device by a threaded connection. The two threaded connections rotate in opposite directions.

4. The quick-replacement metering bottle according to claim 1, characterized in that, It also includes a cover, which is disposed between the replacement device and the bottle cap, and the cover is sealed to the replacement device.

5. The quick-replacement metering bottle according to claim 1, characterized in that, The hollow cavity is cylindrical, and the bottle part connected to the replacement device is a cylindrical bottle mouth. The diameter of the hollow cavity is at least 1.5 times the diameter of the bottle mouth.

6. The rapid-replacement metering bottle according to claim 1, characterized in that, The bottle cap is equipped with a sealing gasket, which covers the replacement device.

7. The quick-replacement metering bottle according to claim 2, characterized in that, The bottle body is connected to the replacement inner shell by a threaded connection, the replacement inner shell and the replacement outer shell are connected by a threaded connection, the bottle cap and the replacement outer shell are connected by a threaded connection, the rotation direction of the thread between the bottle body and the replacement inner shell is the same as the rotation direction of the thread between the replacement inner shell and the replacement outer shell, and the rotation direction of the thread between the bottle body and the replacement inner shell is opposite to the rotation direction of the thread between the bottle cap and the replacement outer shell.

8. The rapid replacement metering bottle according to any one of claims 1-7, characterized in that, The hollow cavity includes an eccentric cavity and a main cavity. The eccentric cavity is located at the end of the hollow cavity near the bottle cap, and the axis of the eccentric cavity is offset from the axis of the main cavity.