Bacteria-blocking eye drop bottle

Abstract

The utility model discloses a bacteria-blocking eye drop bottle, which relates to the technical field of eye drop bottles, and comprises a bottle body, the top end of the bottle body is connected with a composite strong buckle cover in a buckling way, the top end of the composite strong buckle cover is provided with a liquid outlet, and a piston sleeve is fixedly arranged in the composite strong buckle cover. Through the arrangement of the air inlet, the air inlet channel, the air inlet pipe and the filter, the air inlet part is independently designed, when air is supplemented, the piston reset guide pin drives the sealing piston to move upwards through the elastic guide ring of the piston sleeve to block the liquid outlet, and outside air enters the bottle body from the air inlet through the air inlet channel and the air inlet pipe; due to the arrangement of the filter, external air can enter the bottle body through the filter, the bacteria blocking film in the filter blocks bacteria of the external air and prevents bacteria of the external air from entering the bottle body, the bacteria blocking and resisting effects can be achieved, the safety of the eye drop bottle is improved, and the quality of eye drops is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of eye drop bottles, in particular to a bacteria-blocking eye drop bottle. Background Art

[0002] Eye drops are sterile liquid preparations made of raw materials and suitable excipients that are instilled into the eye. They are widely used in clinical practice. Due to the special application site of eye drops, their quality and safety are also subject to higher requirements than ordinary preparations, and they must achieve a sterile effect. Most of the current eye drops are in the form of multiple doses in eye drop bottles, which enter the eyes through the outlet of the eye drop bottle stopper.

[0003] However, the eye drop bottles commonly found on the market have a simple design and structure. Outside air will enter the bottle through the liquid outlet after the eye drops are applied, which can easily bring in outside bacteria and affect the quality of the eye drops.

[0004] Therefore, it is necessary to invent a bacteria-blocking eye drop bottle to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a bacteria-blocking eye drop bottle to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an antibacterial eye drop bottle, comprising a bottle body, a composite strong buckle cover is provided at the top of the bottle body in a snap-fit ​​connection, a liquid outlet is provided at the top of the composite strong buckle cover, a piston sleeve is fixedly installed inside the composite strong buckle cover, and a sealing piston matched with the piston sleeve is movably provided on the top of the piston sleeve, an air inlet pipe is provided in the middle of the bottom end of the piston sleeve, and a filter is fixedly installed at the bottom opening of the air inlet pipe, an air inlet channel is penetrated through the inner wall of one side of the air inlet pipe, and an air inlet connected to the air inlet channel is penetrated through the side of the composite strong buckle cover close to the air inlet channel.

[0007] Preferably, a liquid inlet channel is provided at the top end of the back side of the piston sleeve, and a liquid inlet port connected to the liquid inlet channel is provided at the middle portion of the inner wall of the back side of the piston sleeve.

[0008] Preferably, a liquid outlet channel is provided at the top opening of the liquid inlet channel, and the liquid outlet channel is located between the composite strong buckle cover and the sealing piston, and the liquid outlet channel is connected to both the liquid inlet channel and the liquid outlet.

[0009] Preferably, the middle portion of the inner wall of the top end of the composite strong buckle cover is provided with an inverted cone-shaped protrusion, and the middle portion of the top end of the sealing piston is provided with a sealing boss matched with the middle protrusion of the composite strong buckle cover.

[0010] Preferably, an elastic guide ring is integrally formed at the middle portion of the top end of the piston sleeve, and the inner side wall of the elastic guide ring is in an inverted frustum cone shape.

[0011] Preferably, a piston reset guide foot is integrally formed around the middle of the bottom end of the sealing piston, and the bottom end of the piston reset guide foot extends to the inside of the elastic guide ring, and the bottom end of the outer wall of the piston reset guide foot is annularly arranged.

[0012] Preferably, a dust cover is provided on the composite strong buckle cover in a buckle sleeve connection, and an anti-theft ring is provided around the bottom end of the outer side wall of the dust cover.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model designs the air intake part separately through the arrangement of the air intake port, the air intake channel, the air intake pipe and the filter. When replenishing air, the piston reset guide foot drives the sealing piston to move up and seal the liquid outlet through the elastic guide ring of the piston sleeve, while the outside air enters the inside of the bottle body from the air intake port through the air intake channel and the air intake pipe. Due to the arrangement of the filter, the outside air can enter the inside of the bottle body through the filter. The anti-bacterial film in the filter blocks bacteria from the outside air and prevents bacteria in the outside air from entering the inside of the bottle body, which can play the effect of blocking bacteria and antibacterial, improve the safety of the eye drop bottle, and ensure the quality of the eye drops. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the side section structure of a traditional eye drop bottle of the utility model.

[0016] Figure 2 For the utility model Figure 1 Schematic diagram of a partially enlarged structure.

[0017] Figure 3 It is a front cross-sectional structural schematic diagram of the improved eye drop bottle of the utility model.

[0018] Figure 4 For the utility model Figure 3 Schematic diagram of a partially enlarged structure.

[0019] In the figure: 1. dust cover; 2. composite strong buckle cover; 3. sealing piston; 4. piston sleeve; 5. filter; 6. bottle body; 11. anti-theft ring; 21. liquid outlet; 22. air inlet; 31. piston reset guide foot; 32. sealing boss; 41. liquid inlet channel; 42. liquid inlet; 43. elastic guide ring; 44. air inlet channel; 411. liquid outlet channel; 412. air inlet pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-4 The antibacterial eye drop bottle shown in the figure comprises a bottle body 6, a composite strong buckle cover 2 is provided at the top of the bottle body 6 by snap-fit ​​connection, a liquid outlet 21 is provided at the top of the composite strong buckle cover 2, a piston sleeve 4 is fixedly installed inside the composite strong buckle cover 2, and a sealing piston 3 adapted to the piston sleeve 4 is movably provided on the top of the piston sleeve 4, an air inlet pipe 412 is provided in the middle of the bottom end of the piston sleeve 4, and a filter 5 is fixedly installed at the bottom opening of the air inlet pipe 412, an antibacterial membrane is installed inside the filter 5, the filter 5 is a single seal, and the eye drops inside the bottle body 6 cannot pass through, the antibacterial membrane has the best effect when the pore size is between 0.1um and 0.5um, a larger pore size affects the antibacterial effect, a smaller pore size causes slower air circulation, which affects the air replenishing effect, and an air inlet passage is provided through the inner wall of one side of the air inlet pipe 412 The air inlet 22 connected with the air inlet channel 44 is penetrated and opened on one side of the composite strong buckle cover 2 near the air inlet channel 44. The air inlet part is designed separately through the arrangement of the air inlet 22, the air inlet channel 44, 412 and the filter 5. When replenishing air, the sealing piston reset guide foot 31 drives the sealing piston 3 to move up and block the liquid outlet 21 through the elastic guide ring 43 of the piston sleeve 4, and the outside air enters the bottle body 6 from the air inlet 22 through the air inlet channel 44 and the air inlet pipe 412. Due to the arrangement of the filter 5, the outside air can enter the bottle body 6 through the filter 5. The antibacterial film in the filter 5 blocks the outside air and prevents bacteria in the outside air from entering the bottle body 6, which can play a role in blocking bacteria and antibacterial, improve the safety of the eye drop bottle, and ensure the quality of the eye drops.

[0022] Furthermore, a liquid inlet channel 41 is provided at the top end of the back side of the piston sleeve 4, a liquid inlet port 42 connected to the liquid inlet channel 41 is provided in the middle of the inner wall on the back side of the piston sleeve 4, a liquid outlet channel 411 is provided at the top opening of the liquid inlet channel 41, and the liquid outlet channel 411 is located between the composite strong buckle cover 2 and the sealing piston 3, the liquid outlet channel 411 is connected to both the liquid inlet channel 41 and the liquid outlet port 21, the middle part of the inner wall at the top end of the composite strong buckle cover 2 is provided with an inverted cone-shaped protrusion, the middle part of the top end of the sealing piston 3 is provided with a sealing boss 32 matched with the middle protrusion of the composite strong buckle cover 2, and the middle part of the top end of the piston sleeve 4 is integrally formed with an elastic guide ring 43, and the inner side wall of the elastic guide ring 43 is provided with an inverted cone-shaped protrusion.

[0023] Secondly, a piston reset guide foot 31 is integrally formed around the middle of the bottom end of the sealing piston 3, and the bottom end of the piston reset guide foot 31 extends to the inside of the elastic guide ring 43, and the bottom end of the outer wall of the piston reset guide foot 31 is annularly arranged, and a dust cover 1 is snap-fitted and sleeved on the composite strong buckle cover 2. The dust cover 1 can prevent external dust from falling into the inside of the liquid outlet 21 and contaminating the eye drops. An anti-theft ring 11 is arranged around the bottom end of the outer wall of the dust cover 1. The anti-theft ring 11 can prevent the dust cover 1 from being opened at will.

[0024] Working principle of this utility model:

[0025] When dripping, the liquid in the liquid inlet channel 41 drives the sealing piston 3 to move downward, so that the liquid outlet channel 41 is connected with the liquid outlet 21, thereby completing the dripping;

[0026] When replenishing air, the piston reset guide foot 31 drives the sealing piston 3 to move upward through the elastic guide ring 43 of the piston sleeve 4 to block the liquid outlet 21, and the outside air enters the bottle body 6 from the air inlet 22 through the air inlet channel 44 and the air inlet pipe 412. Due to the setting of the filter 5, the outside air can enter the bottle body 6 through the filter 5, and the antibacterial film inside the filter 5 blocks bacteria from the outside air, preventing bacteria in the outside air from entering the bottle body 6.

[0027] When not in use, the sealing piston 3 is in the initial position, blocking the liquid outlet 21 .

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bacteria-blocking eye drop bottle, characterized in that: The invention comprises a bottle body (6), the top of the bottle body (6) is snap-connected with a composite strong snap cover (2), the top of the composite strong snap cover (2) is provided with a liquid outlet (21), a piston sleeve (4) is fixedly installed inside the composite strong snap cover (2), and a sealing piston (3) matched with the piston sleeve (4) is movably provided on the top of the piston sleeve (4), an air intake pipe (412) is provided in the middle of the bottom end of the piston sleeve (4), and a filter (5) is fixedly installed at the bottom opening of the air intake pipe (412), an air intake channel (44) is penetrated through the inner wall of one side of the air intake pipe (412), and an air intake port (22) connected with the air intake channel (44) is penetrated through the side of the composite strong snap cover (2) close to the air intake channel (44).

2. The antibacterial eye drop bottle according to claim 1, characterized in that: A liquid inlet channel (41) is provided at the top end of the back side of the piston sleeve (4), and a liquid inlet port (42) connected to the liquid inlet channel (41) is provided at the middle of the inner wall of the back side of the piston sleeve (4).

3. The antibacterial eye drop bottle according to claim 2, characterized in that: A liquid outlet channel (411) is provided at the top opening of the liquid inlet channel (41), and the liquid outlet channel (411) is located between the composite strong buckle cover (2) and the sealing piston (3), and the liquid outlet channel (411) is connected to both the liquid inlet channel (41) and the liquid outlet (21).

4. The antibacterial eye drop bottle according to claim 3, characterized in that: The middle portion of the inner wall of the top end of the composite strong buckle cover (2) is provided with an inverted cone-shaped protrusion, and the middle portion of the top end of the sealing piston (3) is provided with a sealing boss (32) that matches the protrusion in the middle portion of the composite strong buckle cover (2).

5. The antibacterial eye drop bottle according to claim 4, characterized in that: An elastic guide ring (43) is integrally formed at the middle portion of the top end of the piston sleeve (4), and the inner side wall of the elastic guide ring (43) is in the shape of an inverted frustum.

6. The antibacterial eye drop bottle according to claim 5, characterized in that: A piston reset guide foot (31) is integrally formed around the middle of the bottom end of the sealing piston (3), and the bottom end of the piston reset guide foot (31) extends to the inside of the elastic guide ring (43), and the bottom end of the outer wall of the piston reset guide foot (31) is arranged in an annular shape.

7. The antibacterial eye drop bottle according to claim 6, characterized in that: The composite strong buckle cover (2) is buckled and sleeved with a dust cover (1), and the bottom end of the outer wall of the dust cover (1) is surrounded by an anti-theft ring (11).

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