Polyester bottle for quantitative oral liquid medicine
By designing the piston, operating rod and discharge port in a quantitative oral liquid pharmaceutical polyester bottle, the problem of taking medicine with a straw in the prior art is solved, and the precise amount of the medicine liquid is taken out and direct drinking is achieved, which improves the convenience of use.
Patent Information
- Application Number
- CN202422808655.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-18
AI Technical Summary
The existing quantitative oral liquid medicinal polyester bottles need to be absorbed with a straw after the medicine liquid is removed, which has a poor user experience.
A structure including a polyester bottle body, a piston, an operating rod, a discharge port and a scale line is designed. The bottle body is divided into a quantitative area and a liquid storage area through the piston, and the precise amount of the medicine liquid is taken out using a spring and a cap, allowing direct oral consumption.
It realizes accurate amount of the medicine liquid, is easy to operate, and ensures good sealing of the liquid storage area. Users can drink it directly orally, improving the user experience.
Smart Images

Figure CN223253729U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medicinal packaging containers, in particular to a polyester bottle for quantitative oral liquid medicine. Background Art
[0002] The quantitative oral liquid pharmaceutical polyester bottle is an innovative packaging container designed specifically for liquid medicines, aiming to improve the convenience, safety and accuracy of drug use.
[0003] A search of the prior art revealed a Chinese patent application numbered 201920807244.9, which discloses a polyester bottle for quantitative oral liquids. The patent primarily comprises a polyester bottle body and a polyester bottle mouth, with the polyester bottle mouth integrally formed at the top of the polyester bottle body. A metering mechanism is located within the polyester bottle body, extending from the top of the polyester bottle body. The metering mechanism includes a movable rod, which is mounted on the top of the polyester bottle body and extends into the interior of the polyester bottle body. A movable plate is fixed to the bottom of the movable rod, which is mounted inside the polyester bottle body and has a through hole. A cylinder is fixed to the top of the polyester bottle body, which is mounted inside the polyester bottle body and mounted at the top of the through hole. Both the through hole and the cylinder are located on one side of the movable rod. While the aforementioned utility model facilitates the user's quantitative intake of liquids through the metering mechanism, after the liquid is withdrawn, the cylinder connects the upper and lower cavities, requiring the user to use a straw to draw the liquid. This indirect method of taking the liquid is more cumbersome than direct drinking, and the user experience is less than ideal. Therefore, those skilled in the art provide a quantitative oral liquid pharmaceutical polyester bottle to solve the problems raised in the above background technology. Summary of the Invention
[0004] The purpose of this utility model is to provide a polyester bottle for quantitative oral liquid medicine, which can achieve accurate quantitative removal of liquid medicine and is easy to operate. At the same time, the piston and the cover ensure that the liquid storage area is well sealed, and the liquid inside the quantitative area can be directly orally consumed by the user, which is convenient to use.
[0005] To achieve the above-mentioned purpose, a quantitative oral liquid pharmaceutical polyester bottle is provided, comprising a polyester bottle body, the outer side of the polyester bottle body is provided with scale lines, the polyester bottle body is slidably connected to a piston, the upper and lower sides of the piston are respectively a quantitative area and a liquid storage area, the top of the polyester bottle body is fixedly connected to an end cover, the middle part of the end cover is an opening structure, the inside of the end cover and on one side of the opening structure are slidably connected to an operating rod, the bottom end of the operating rod is fixedly connected to the piston, the middle part of the piston is provided with an overflow port, the top of the piston and on one side of the overflow port are fixedly connected to an L-shaped mounting bracket, the top of the mounting bracket and above the overflow port are fixedly connected to a sleeve, the inside of the sleeve is slidably connected to a sliding rod, a spring is provided between the top of the sliding rod and the top surface of the sleeve, and the bottom end of the sliding rod is fixedly connected to a sealing cover arranged on the top of the overflow port.
[0006] The cross section of the end cap is a trapezoidal structure, and a bottle cap is screwed onto the top of the end cap.
[0007] A sealing ring is fixedly connected to the bottom of the cover.
[0008] A sealing gasket is fixedly connected to the top of the sliding rod.
[0009] The surface of the operating rod is a smooth structure, and a sealing sleeve is embedded in the end cover and sleeved on the outside of the operating rod.
[0010] The polyester bottle body has a certain degree of transparency, and the outer side of the bottle cap is provided with anti-slip texture.
[0011] The utility model has the following beneficial effects:
[0012] Compared to existing technologies, this quantitative oral liquid pharmaceutical polyester bottle divides the polyester bottle into a quantitative area and a liquid storage area by providing a piston. The spring, sealing plate, overflow port, and graduated line structure work together to achieve precise quantitative removal of liquid medicine with simple operation. Furthermore, the piston and sealing cap ensure a good seal in the liquid storage area, allowing users to directly orally consume the liquid in the quantitative area, making it convenient to use.
[0013] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of a polyester bottle for quantitative oral liquid medicine of the present invention.
[0015] Figure 2 The utility model is a schematic diagram of the overall cross-sectional structure of a polyester bottle for quantitative oral liquid medicine.
[0016] Figure 3This utility model is a polyester bottle for quantitative oral liquid medicine Figure 2 Enlarged structural diagram at point A in the middle.
[0017] Legend:
[0018] 1. Polyester bottle body; 2. End cap; 3. Operating lever; 4. Piston; 5. Scale line; 6. Bottle cap; 7. Mounting bracket; 8. Sleeve; 9. Spring; 10. Sealing cap; 11. Overflow port; 12. Sliding rod; 13. Sealing ring; 14. Sealing gasket. DETAILED DESCRIPTION
[0019] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.
[0020] Reference Figure 1 、 Figure 2 and Figure 3 The present invention provides a polyester bottle for quantitative oral liquid medicine, comprising a polyester bottle body 1. The polyester bottle body 1 is made of a transparent polyester material with good chemical stability, and facilitates the user to observe the amount of liquid in the bottle. Scale lines 5 are provided on the outside of the polyester bottle body 1, allowing the user to accurately measure the desired dosage of the liquid. A piston 4 is slidably connected to the inside of the polyester bottle body 1, and the upper and lower sides of the piston 4 are respectively a quantitative area and a liquid storage area. The top of the polyester bottle body 1 is fixedly connected to an end cover 2, and the middle part of the end cover 2 is an opening structure. An operating rod 3 is slidably connected to the inside of the end cover 2 and on one side of the opening structure. The bottom end of the operating rod 3 is fixedly connected to the piston 4. An overflow port 11 is opened in the middle of the piston 4. An L-shaped mounting bracket 7 is fixedly connected to the top of the piston 4 and on one side of the overflow port 11. A sleeve 8 is fixedly connected to the top of the mounting bracket 7 and above the overflow port 11. A sliding rod 12 is slidably connected to the inside of the sleeve 8, and a spring 9 is provided between the top of the sliding rod 12 and the top surface of the sleeve 8. The bottom end of the sliding rod 12 is fixedly connected to a sealing cover 10 provided on the top of the overflow port 11, and a sealing ring 13 is fixedly connected to the bottom of the sealing cover 10. The sealing structure effectively prevents leakage of the drug liquid, thereby ensuring the effectiveness and safety of the drug.
[0021] When using this quantitative oral liquid medicinal polyester bottle, push the operating rod 3, the piston 4 will move downward, and the downward moving piston 4 realizes compression of the liquid storage area. As the piston 4 continues to move downward, the cover 10 can be pushed to move upward under the pressure of the liquid medicine in the bottle, and the liquid medicine is released into the quantitative area through the overflow port 11. Under the action of the set scale line 5, the user can accurately control the dosage as needed to ensure the safety of medication. After observing that the internal liquid medicine in the quantitative area meets the dosage requirements, release the operating rod 3, the elastic force of the spring 9 causes the slide bar 12 and the cover 10 at its bottom to reset, and the sealing operation of the overflow port 11 can be realized, thereby completing the accurate quantitative removal of the liquid medicine, and it is easy to operate. The piston 4 and the cover 10 ensure the good sealing performance of the liquid storage area, and the user of the liquid medicine inside the quantitative area can directly drink it orally, which is easy to use.
[0022] To keep the dosing area inside the polyester bottle 1 clean, the end cap 2 has a trapezoidal cross-section and a bottle cap 6 screwed onto the top of the end cap 2. This seals the polyester bottle 1 and prevents dust from entering the dosing area through the opening. The outer surface of the bottle cap 6 has a non-slip texture for a secure grip.
[0023] A sealing gasket 14 is fixedly connected to the top of the slide rod 12 to seal the connection between the slide rod 12 and the sleeve 8 to prevent liquid from penetrating into the sleeve 8. The surface of the operating rod 3 is smooth, and a sealing sleeve is embedded in the end cap 2 and is mounted on the outside of the operating rod 3 to prevent liquid from leaking out of the gap between the operating rod 3 and the end cap 2.
[0024] Working principle: When using this quantitative oral liquid medicinal polyester bottle, push the operating rod 3, the piston 4 will move downward, and the downward moving piston 4 will compress the liquid storage area. As the piston 4 continues to move downward, the pressure of the liquid medicine in the bottle can push the cover 10 to move upward, and the liquid medicine is released to the quantitative area through the overflow port 11. Under the action of the set scale line 5, the user can accurately control the amount of medicine as needed to ensure the safety of medication. After observing that the liquid medicine inside the quantitative area meets the dosage requirements, release the operating rod 3, and the elastic force of the spring 9 causes the slide bar 12 and the cover 10 at its bottom to reset, which can realize the closing operation of the overflow port 11, thereby completing the precise quantitative removal of the liquid medicine, and the operation is simple. The piston 4 and the cover 10 ensure the good sealing of the liquid storage area, and the user can directly drink the liquid medicine inside the quantitative area orally, which is convenient to use.
[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A polyester bottle for quantitative oral liquid medicine, characterized in that: The invention comprises a polyester bottle body (1), wherein the outer side of the polyester bottle body (1) is provided with a scale line (5), the interior of the polyester bottle body (1) is slidably connected to a piston (4), the upper and lower sides of the piston (4) are respectively a quantitative area and a liquid storage area, the top of the polyester bottle body (1) is fixedly connected to an end cover (2), the middle part of the end cover (2) is an opening structure, the interior of the end cover (2) and one side of the opening structure is slidably connected to an operating rod (3), the bottom end of the operating rod (3) is fixedly connected to the piston (4), and the piston (4) is fixedly connected to the piston (4). ) is provided with an overflow port (11) in the middle, the top of the piston (4) and located on one side of the overflow port (11) is fixedly connected to an L-shaped mounting frame (7), the top of the mounting frame (7) and located above the overflow port (11) is fixedly connected to a sleeve (8), the sleeve (8) is slidably connected to a slide rod (12) inside, a spring (9) is provided between the top of the slide rod (12) and the top surface of the sleeve (8), and the bottom end of the slide rod (12) is fixedly connected to a cover (10) provided on the top of the overflow port (11).
2. A polyester bottle for quantitative oral liquid medicine according to claim 1, characterized in that: The cross section of the end cap (2) is a trapezoidal structure, and a bottle cap (6) is screwed onto the top of the end cap (2).
3. A polyester bottle for quantitative oral liquid medicine according to claim 2, characterized in that: A sealing ring (13) is fixedly connected to the bottom of the sealing cover (10).
4. A polyester bottle for quantitative oral liquid medicine according to claim 3, characterized in that: A sealing gasket (14) is fixedly connected to the top of the sliding rod (12).
5. A polyester bottle for quantitative oral liquid medicine according to claim 4, characterized in that: The surface of the operating rod (3) is a smooth structure, and a sealing sleeve is embedded in the end cover (2) and is sleeved on the outside of the operating rod (3).
6. A polyester bottle for quantitative oral liquid medicine according to claim 2, characterized in that: The polyester bottle body (1) has a certain degree of transparency, and the outer side of the bottle cap (6) is provided with an anti-slip texture.