Bacteria-blocking eyedrop bottle

Abstract

The utility model belongs to the technical field of liquid containers, and particularly relates to a bacteria-blocking eyedrop bottle which comprises a liquid storage bottle with a bottle body capable of being extruded to deform and an inner bottle cap connected to the upper end of the liquid storage bottle, a mounting seat is arranged in the inner bottle cap, and a first air inlet channel communicated with the outside is arranged on the inner bottle cap. A second air inlet channel communicated with the first air inlet channel is formed in the installation base, the middle of the installation base protrudes downwards to form an installation part, the installation part is sleeved with a fixing base, and a third air inlet channel communicated with the second air inlet channel and an inner cavity of the liquid storage bottle is formed in the fixing base. A waterproof breathable filtering membrane located between the second air inlet channel and the third air inlet channel is arranged between the fixing base and the installation part in a clamped mode. The filtering device is good in filtering effect and small in occupied space.

Description

Technical field:

[0001] The utility model belongs to the technical field of liquid containers, in particular to a bacteria-blocking eye drops bottle. Background technology:

[0002] A Chinese utility model patent (publication number CN219630139U, application date 2023.03.07, publication date 2023.09.05) discloses an eye drop bottle, comprising a liquid storage bottle whose bottle body can be squeezed and deformed and an inner bottle cap connected to the upper end of the liquid storage bottle and forming a cavity with the liquid storage bottle, wherein the upper end of the inner bottle cap is provided with a liquid outlet channel communicating with the cavity, and a liquid outlet valve for blocking and opening the liquid outlet channel is provided in the cavity near the liquid outlet channel, wherein the liquid outlet valve comprises an elastic valve for blocking and opening the liquid outlet channel and a mounting seat for mounting the elastic valve, wherein a liquid outlet valve is provided in the mounting seat to block and open the liquid outlet channel. The mounting seat is divided into an upper chamber and a lower chamber by a partition, the lower end of the lower chamber is connected to the inner cavity of the liquid storage bottle, an air inlet hole 1 connecting the upper chamber and the lower chamber is provided on the partition, an air inlet hole 2 is provided on the inner bottle cover, an air inlet hole 3 connecting the air inlet hole 2 and the upper chamber is provided on the side wall of the mounting seat, and an air valve for sealing and opening the air inlet hole 1 is provided in the mounting seat. When the liquid storage bottle is squeezed, the liquid outlet valve opens the liquid outlet channel to discharge liquid, the air valve seals the air inlet hole 1, and the upper chamber and the lower chamber are disconnected; when the liquid storage bottle is loosened, the liquid outlet valve seals the liquid outlet channel, the air valve opens the air inlet hole 1, and the upper chamber and the lower chamber are connected. The first air inlet comprises a large hole and a small hole disposed on the partition. The large hole connects to the upper chamber, while the small hole is located below the large hole and connects the large hole to the lower chamber. The air valve is disposed within the large hole. The inner wall of the large hole is a conical surface, with a smaller top and a larger bottom. The outer wall of the air valve is a conical surface, with a smaller top and a larger bottom. When the air valve moves upward and its outer wall aligns with the inner wall of the large hole, the air valve blocks the first air inlet. When the air valve moves downward, an air intake gap is created between the outer wall of the air valve and the inner wall of the large hole, and the air valve opens the first air inlet. A mounting boss protrudes downward from the center of the partition, and the first air inlet is disposed within the mounting boss. A filter sponge is disposed within the upper chamber.

[0003] The disadvantages of the above-mentioned eye drop bottle are that a filter sponge is provided in the upper chamber to filter air through the filter sponge, but the filtering effect is poor and the bottle occupies a large space. Summary of the invention:

[0004] The utility model aims to provide a bacteria-blocking eye drops bottle, which has good filtering effect and occupies little space.

[0005] The utility model is achieved in this way:

[0006] A bacteriostatic eye drops bottle, comprising a liquid storage bottle with an extrudable and deformable bottle body and an inner bottle cap connected to the upper end of the liquid storage bottle, a mounting seat being provided inside the inner bottle cap, an air inlet channel 1 communicating with the outside being provided on the inner bottle cap, an air inlet channel 2 communicating with the air inlet channel 1 being provided on the mounting seat, a mounting portion being formed by a downward convexity at the middle portion of the mounting seat, a fixing seat being provided on the outer surface of the mounting portion, an air inlet channel 3 communicating with the air inlet channel 2 and the inner cavity of the liquid storage bottle being provided on the fixing seat, a waterproof and breathable filter membrane being sandwiched between the fixing seat and the mounting portion and located between the air inlet channel 2 and the air inlet channel 3.

[0007] In the above-mentioned antibacterial eye drops bottle, the waterproof and breathable filter membrane can be: the material of the waterproof and breathable filter membrane is a non-porous polymer material, which is non-porous, impermeable, and dust and microbial particles cannot pass through. However, the material is breathable because it can pass through molecular-sized substances and allow air molecules to pass through the network structure formed by the intricate long-linked molecules, that is, air is allowed to pass through by diffusing in it, such as the breathable mechanism disclosed in Chinese invention patent CN1027815989B.

[0008] In the aforementioned antibacterial eye drop bottle, the waterproof breathable filter membrane may also be made of a polymer material having micropores, which can block the passage of water, dust, and bacteria. However, the polymer material has a large spacing between molecules, which allows diffusion through the micropores of the waterproof breathable filter membrane. The polymer material having micropores is PE (polyethylene) or PP (polypropylene).

[0009] In the above-mentioned antibacterial eye drops bottle, the air inlet channel 2 includes a radial channel and an axial channel. One end of the radial channel is connected to the air inlet channel 1, and the other end is connected to the axial channel. The waterproof and breathable filter membrane is provided at the end of the axial channel away from the radial channel.

[0010] In the above-mentioned antibacterial eye drops bottle, the lower surface of the mounting portion is concave to form a mounting groove, the waterproof and breathable filter membrane is arranged in the mounting groove, the fixing seat includes a connecting sleeve mounted on the outside of the mounting portion and a fixing plate located below the mounting portion, and the waterproof and breathable filter membrane is clamped between the inner surface of the mounting groove and the upper surface of the fixing plate.

[0011] In the above-mentioned antibacterial eye drops bottle, the installation structure of the connecting sleeve and the installation portion may be: the connecting sleeve and the installation portion are tightly fitted.

[0012] In the above-mentioned antibacterial eye drops bottle, the installation structure of the connecting sleeve and the mounting portion may also be: the connecting sleeve and the mounting portion are connected by threads.

[0013] In the above-mentioned antibacterial eye drops bottle, a liquid outlet channel connected to the inner cavity of the liquid storage bottle is provided in the mounting seat, the middle part of the mounting seat is convex to form a plug extending out of the inner bottle cap, an elastic liquid outlet seat is provided on the outer periphery of the plug, and a liquid outlet hole is provided on the top of the elastic liquid outlet seat. A liquid outlet gap is left between the elastic liquid outlet seat and the plug, and between the elastic liquid outlet seat and the mounting seat. The liquid outlet gap connects the liquid outlet channel and the liquid outlet hole. When the liquid storage bottle is squeezed, the liquid in the liquid storage bottle pushes the elastic liquid outlet seat to undergo elastic deformation, the liquid outlet hole moves upward, and the plug opens the liquid outlet hole; when the liquid storage bottle is released, the elastic liquid outlet seat is reset, the liquid outlet hole moves downward, and is blocked by the plug.

[0014] In the above-mentioned antibacterial eye drops bottle, the elastic liquid outlet seat includes an elastic part arranged around the outer periphery of the plug and a liquid outlet part arranged above the plug, and the liquid outlet gap is left between the elastic part and the plug, and between the elastic part and the mounting seat. The liquid outlet hole is arranged on the liquid outlet part, and the lower end of the elastic part is clamped between the inner bottle cap and the mounting seat.

[0015] In the above-mentioned antibacterial eye drops bottle, the elastic part and the liquid outlet part are an integrated structure.

[0016] In the above-mentioned antibacterial eye drops bottle, the elastic part includes a cylindrical part that is sleeved on the outer periphery of the plug and an annular assembly part arranged at the lower end of the cylindrical part. The inner ring of the annular assembly part is connected to the lower end of the cylindrical part, and the outer periphery of the annular assembly part is clamped between the inner bottle cap and the mounting seat.

[0017] In the above-mentioned antibacterial eye drops bottle, the upper surface of the mounting seat is concave to form a groove, and a liquid outlet gap is formed between the annular assembly portion and the inner surface of the groove.

[0018] In the above-mentioned antibacterial eye drops bottle, an annular groove is provided on the inner side wall of the inner bottle cap, an annular bump protrudes from the outer periphery of the mounting seat, and the annular assembly portion and the annular bump are arranged in the annular groove.

[0019] In the above-mentioned antibacterial eye drops bottle, an annular groove is provided on the outer periphery of the bottle mouth of the liquid storage bottle, and an annular clamping block is provided on the inner side wall of the inner bottle cap. The inner bottle cap is connected to the bottle mouth of the liquid storage bottle through the clamped annular clamping block and the annular groove.

[0020] In the above-mentioned antibacterial eye drops bottle, the inner bottle cap outer cover is provided with a child-proof cover, the child-proof cover comprises an outer cover and an inner cover arranged inside the outer cover, and the inner cover is provided with a blocking column for sealing the liquid outlet.

[0021] In the above-mentioned antibacterial eye drops bottle, a sealing portion is provided below the mounting seat to seal with the bottle mouth of the liquid storage bottle.

[0022] In the above-mentioned antibacterial eye drops bottle, the inner cover is sleeved on the bottle mouth of the liquid storage bottle and is connected via threads.

[0023] In the above-mentioned antibacterial eye drops bottle, the material of the inner bottle cap is HDPE (high-density polyethylene), the material of the mounting seat is PP (polypropylene), the material of the fixed seat is PP (polypropylene), the material of the elastic liquid outlet seat is LDPE (low-density polyethylene), and the material of the dust cover is HDPE (high-density polyethylene).

[0024] The outstanding advantages of the utility model compared with the prior art are:

[0025] 1. The utility model filters air and blocks water through a waterproof and breathable filter membrane, has a good filtering effect, and occupies a small space; at the same time, the waterproof and breathable filter membrane is clamped between the fixing seat and the mounting portion, and the mounting structure is simple, easy to install, and the installation is firm and reliable;

[0026] 2. The mounting base of the utility model is provided with a liquid outlet channel connected to the inner cavity of the liquid storage bottle. The middle part of the mounting base is convex to form a plug extending out of the inner bottle cap. An elastic liquid outlet seat is provided on the outer periphery of the plug. A liquid outlet hole is provided on the top of the elastic liquid outlet seat. Liquid outlet gaps are left between the elastic liquid outlet seat and the plug, and between the elastic liquid outlet seat and the mounting base. The liquid outlet gaps connect the liquid outlet channel and the liquid outlet hole. The structure is simple and easy to process and install. Description of the drawings:

[0027] Figure 1 It is a cross-sectional view of the utility model;

[0028] Figure 2 It is a cross-sectional view of the elastic liquid outlet seat of the utility model.

[0029] Figure markings: 1. liquid storage bottle; 2. inner bottle cap; 3. mounting seat; 4. air inlet channel one; 5. air inlet channel two; 51. radial channel; 52. axial channel; 6. mounting portion; 7. fixing seat; 71. connecting sleeve; 72. fixing plate; 8. air inlet channel three; 9. waterproof and breathable filter membrane; 10. liquid outlet channel; 11. plug; 12. elastic liquid outlet seat; 121. elastic portion; 1211. cylindrical portion; 1212. annular assembly portion; 122. liquid outlet portion; 13. liquid outlet hole; 14. groove; 15. annular protrusion; 16. outer cover; 17. inner cover; 18. blocking column; 19. sealing portion. Specific implementation method:

[0030] The present invention is further described below with reference to specific embodiments. Figure 1-2 :

[0031] A bacteriostatic eye drops bottle comprises a liquid storage bottle 1 whose bottle body can be squeezed and deformed, and an inner bottle cap 2 connected to the upper end of the liquid storage bottle 1, a mounting seat 3 is provided inside the inner bottle cap 2, an air inlet channel 1 4 communicating with the outside is provided on the inner bottle cap 2, an air inlet channel 2 5 communicating with the air inlet channel 1 4 is provided on the mounting seat 3, a mounting portion 6 is formed by a downward protrusion in the middle of the mounting seat 3, a fixing seat 7 is provided on the outer surface of the mounting portion 6, an air inlet channel 3 8 communicating with the air inlet channel 2 5 and the inner cavity of the liquid storage bottle 1, a waterproof and breathable filter membrane 9 is sandwiched between the fixing seat 7 and the mounting portion 6 and located between the air inlet channel 2 5 and the air inlet channel 3 8.

[0032] The intake process of the utility model: Figure 1 As shown, air enters the inner cavity of liquid storage bottle 1 through air inlet channel 1 4, air inlet channel 2 5, waterproof breathable filter membrane 9, and air inlet channel 3 8, balancing the internal and external pressures. Air is filtered through waterproof breathable filter membrane 9, effectively filtering out impurities such as dust and bacteria from the air, effectively preventing air contamination of the liquid in the inner cavity of liquid storage bottle 1, effectively delaying liquid deterioration and extending the liquid's service life. At the same time, waterproof breathable filter membrane 9 effectively prevents the liquid in liquid storage bottle 1 from flowing out through air inlet channel 1 4 and air inlet channel 2 5.

[0033] The utility model filters air and blocks water through the waterproof and breathable filter membrane 9, has good filtering effect, and occupies little space; at the same time, the waterproof and breathable filter membrane 9 is clamped between the fixing seat 7 and the mounting portion 6, and the mounting structure is simple, easy to install, and the installation is firm and reliable.

[0034] The structure of the air inlet channel 2 5: The air inlet channel 2 5 includes a radial channel 51 and an axial channel 52. One end of the radial channel 51 is connected to the air inlet channel 1 4, and the other end is connected to the axial channel 52. The end of the axial channel 52 away from the radial channel 51 is provided with the waterproof and breathable filter membrane 9.

[0035] The specific installation structure of the waterproof and breathable filter membrane 9: the lower surface of the mounting portion 6 is concave to form a mounting groove, the waterproof and breathable filter membrane 9 is arranged in the mounting groove, the fixing seat 7 includes a connecting sleeve 71 mounted on the outside of the mounting portion 6 and a fixing plate 72 located below the mounting portion 6, and the waterproof and breathable filter membrane 9 is clamped between the inner surface of the mounting groove and the upper surface of the fixing plate 72.

[0036] The installation structure of the connecting sleeve 71 and the mounting portion 6: the connecting sleeve 71 is tightly fitted with the mounting portion 6.

[0037] The liquid outlet structure of the present invention comprises a liquid outlet channel 10 connected to the inner cavity of the liquid storage bottle 1 within the mounting base 3. A plug 11 protrudes upward from the middle portion of the mounting base 3 and extends outward from the inner bottle cap 2. An elastic liquid outlet seat 12 is provided on the outer periphery of the plug 11, and a liquid outlet hole 13 is provided at the top of the elastic liquid outlet seat 12. Liquid outlet gaps are left between the elastic liquid outlet seat 12 and the plug 11, and between the elastic liquid outlet seat 12 and the mounting base 3. The liquid outlet gaps connect the liquid outlet channel 10 and the liquid outlet hole 13. When the liquid storage bottle 1 is squeezed, the liquid in the liquid storage bottle 1 pushes the elastic liquid outlet seat 12 to elastically deform, causing the liquid outlet hole 13 to move upward, and the plug 11 to open the liquid outlet hole 13. When the liquid storage bottle 1 is released, the elastic liquid outlet seat 12 returns to its original position, causing the liquid outlet hole 13 to move downward and be blocked by the plug 11. The structure is simple and easy to process and install.

[0038] When the liquid storage bottle 1 is squeezed, the liquid in the liquid storage bottle 1 flows into the liquid outlet gap through the liquid outlet channel 10, pushing the elastic liquid outlet seat 12 to elastically deform, causing the liquid outlet hole 13 to move upward, and the liquid flows out through the liquid outlet hole 13. When the liquid storage bottle 1 is released, the elastic liquid outlet seat 12 returns to its original position, the liquid outlet hole 13 moves downward, and is blocked by the plug 11, and liquid cannot be discharged at this time.

[0039] Furthermore, the liquid outlet channel 10 is arranged parallel to the axial direction.

[0040] The structure of the elastic liquid outlet seat 12 is as follows: Figure 1 、 2 As shown, the elastic liquid outlet seat 12 includes an elastic portion 121 disposed around the outer periphery of the plug 11 and a liquid outlet portion 122 disposed above the plug 11. Liquid outlet gaps are provided between the elastic portion 121 and the plug 11, and between the elastic portion 121 and the mounting seat 3. The liquid outlet hole 13 is provided on the liquid outlet portion 122, and the lower end of the elastic portion 121 is sandwiched between the inner bottle cap 2 and the mounting seat 3. When the liquid storage bottle 1 is squeezed, the liquid in the liquid storage bottle 1 causes the elastic portion 121 to elastically deform, causing the liquid outlet portion 122 to move upward. When the liquid storage bottle 1 is released, the elastic portion 121 returns to its original position, causing the liquid outlet portion 122 to move downward.

[0041] Furthermore, the elastic portion 121 and the liquid outlet portion 122 are an integrated structure.

[0042] The structure of the elastic part 121 is as follows: Figure 1 、 2As shown, the elastic portion 121 includes a cylindrical portion 1211 that is sleeved around the outer circumference of the plug 11, and an annular assembly portion 1212 disposed at the lower end of the cylindrical portion 1211. The inner ring of the annular assembly portion 1212 is connected to the lower end of the cylindrical portion 1211, and the outer circumference of the annular assembly portion 1212 is sandwiched between the inner bottle cap 2 and the mounting base 3. When the liquid storage bottle 1 is squeezed, the liquid in the liquid storage bottle 1 pushes the annular assembly portion 1212 upward, causing the annular assembly portion 1212 to rotate upward, driving the cylindrical portion 1211 upward, and further driving the liquid outlet portion 122 upward. When the liquid storage bottle 1 is released, the annular assembly portion 1212 returns downward, driving the cylindrical portion 1211 downward and returning to its original position, and further driving the liquid outlet portion 122 downward and returning to its original position.

[0043] Furthermore, the upper surface of the mounting seat 3 is concave to form a groove 14 , and a liquid outlet gap is formed between the annular assembly portion 1212 and the inner surface of the groove 14 .

[0044] The mounting structure of the mounting seat 3 and the elastic liquid outlet seat 12: an annular groove is provided on the inner side wall of the inner bottle cap 2, an annular protrusion 15 protrudes from the outer periphery of the mounting seat 3, and the annular assembly portion 1212 and the annular protrusion 15 are arranged in the annular groove.

[0045] The connection structure between the inner bottle cap 2 and the liquid storage bottle 1: an annular groove is provided on the outer periphery of the bottle mouth of the liquid storage bottle 1, and an annular clamping block is provided on the inner side wall of the inner bottle cap 2. The inner bottle cap 2 is connected to the bottle mouth of the liquid storage bottle 1 through the clamped annular clamping block and the annular groove.

[0046] In order to prevent the liquid outlet 13 from being exposed to the air and contaminated, the inner bottle cap 2 is covered with a child-proof cover. The child-proof cover includes an outer cover 16 and an inner cover 17 arranged inside the outer cover 16. The inner cover 17 is provided with a blocking column 18 for blocking the liquid outlet 13.

[0047] The specific structure of the child-proof cover: the inner cover 17 is provided with a convex ring on the outer periphery, and two convex rings are provided on the inner side wall of the outer cover 16. The convex ring of the inner cover 17 is clamped between the two convex rings of the outer cover 16. The distance between the two convex rings of the outer cover 16 is greater than the height of the convex ring of the inner cover 17. The inner cover 17 can move up and down in a small range relative to the outer cover 17. The upper surface of the inner cover 17 is evenly distributed with multiple depressions on the circumference, and the outer cover 16 is provided with protrusions whose number and position correspond to the depressions. When the outer cover 16 is pressed down and the protrusions enter the depressions, the rotation of the outer cover 16 can drive the inner cover 17 to rotate; when the protrusions are not in the depressions, the rotation of the outer cover 16 cannot drive the inner cover 17 to rotate.

[0048] The connection structure between the child-proof cover and the liquid storage bottle 1: the inner cover 17 is sleeved on the bottle mouth of the liquid storage bottle 1 and is connected by threads.

[0049] Preferably, the material of the inner bottle cap 2 is HDPE (high-density polyethylene), the material of the mounting seat 3 is PP (polypropylene), the material of the fixing seat 7 is PP (polypropylene), the material of the elastic liquid outlet seat 12 is LDPE (low-density polyethylene), and the material of the dust cover 16 is HDPE (high-density polyethylene).

[0050] In order to prevent liquid leakage and unfiltered air from entering the inner cavity of the liquid storage bottle 1, a sealing portion 19 is provided below the mounting seat 3 to seal with the bottle mouth of the liquid storage bottle 1.

[0051] The above embodiment is only one of the preferred embodiments of the present invention and is not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made based on the shape, structure, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bacteriostatic eye drops bottle, comprising a liquid storage bottle (1) whose bottle body can be squeezed and deformed, and an inner bottle cap (2) connected to the upper end of the liquid storage bottle (1), wherein a mounting seat (3) is provided in the inner bottle cap (2), an air inlet channel (4) communicating with the outside is provided on the inner bottle cap (2), and an air inlet channel (5) communicating with the air inlet channel (4) is provided on the mounting seat (3), characterized in that: The middle part of the mounting seat (3) is convex downward to form a mounting portion (6), and a fixing seat (7) is provided on the outer surface of the mounting portion (6). The fixing seat (7) is provided with an air inlet channel 3 (8) communicating with the air inlet channel 2 (5) and the inner cavity of the liquid storage bottle (1). A waterproof and breathable filter membrane (9) is sandwiched between the fixing seat (7) and the mounting portion (6) and is located between the air inlet channel 2 (5) and the air inlet channel 3 (8).

2. The antibacterial eye drops bottle according to claim 1, characterized in that: The second air inlet channel (5) comprises a radial channel (51) and an axial channel (52); one end of the radial channel (51) is connected to the first air inlet channel (4), and the other end is connected to the axial channel (52); the waterproof and breathable filter membrane (9) is provided at the end of the axial channel (52) away from the radial channel (51).

3. The antibacterial eye drops bottle according to claim 2, characterized in that: The lower surface of the mounting portion (6) is concave to form a mounting groove, the waterproof breathable filter membrane (9) is arranged in the mounting groove, the fixing seat (7) comprises a connecting sleeve (71) sleeved on the outside of the mounting portion (6) and a fixing plate (72) located below the mounting portion (6), and the waterproof breathable filter membrane (9) is sandwiched between the inner surface of the mounting groove and the upper surface of the fixing plate (72).

4. The antibacterial eye drops bottle according to claim 1, characterized in that: The mounting seat (3) is provided with a liquid outlet channel (10) communicating with the inner cavity of the liquid storage bottle (1). The middle part of the mounting seat (3) is convex to form a plug (11) extending out of the inner bottle cap (2). An elastic liquid outlet seat (12) is provided on the outer periphery of the plug (11). A liquid outlet hole (13) is provided on the top of the elastic liquid outlet seat (12). Liquid outlet gaps are left between the elastic liquid outlet seat (12) and the plug (11), and between the elastic liquid outlet seat (12) and the mounting seat (3). The liquid outlet gaps communicate with the liquid outlet channel (10) and the liquid outlet hole (13). When the liquid storage bottle (1) is squeezed, the liquid in the liquid storage bottle (1) pushes the elastic liquid outlet seat (12) to undergo elastic deformation, the liquid outlet hole (13) moves upward, and the plug (11) opens the liquid outlet hole (13); when the liquid storage bottle (1) is released, the elastic liquid outlet seat (12) is reset, the liquid outlet hole (13) moves downward, and is blocked by the plug (11).

5. The antibacterial eye drops bottle according to claim 4, characterized in that: The elastic liquid outlet seat (12) comprises an elastic portion (121) arranged around the outer periphery of the plug (11) and a liquid outlet portion (122) arranged above the plug (11); a liquid outlet gap is left between the elastic portion (121) and the plug (11), and between the elastic portion (121) and the mounting seat (3); the liquid outlet hole (13) is arranged on the liquid outlet portion (122); and the lower end of the elastic portion (121) is clamped between the inner bottle cap (2) and the mounting seat (3).

6. The antibacterial eye drops bottle according to claim 5, characterized in that: The elastic portion (121) comprises a cylindrical portion (1211) sleeved on the outer periphery of the plug (11) and an annular assembly portion (1212) arranged at the lower end of the cylindrical portion (1211); the inner ring of the annular assembly portion (1212) is connected to the lower end of the cylindrical portion (1211); and the outer periphery of the annular assembly portion (1212) is clamped between the inner bottle cap (2) and the mounting seat (3).

7. The antibacterial eye drops bottle according to claim 6, characterized in that: The upper surface of the mounting seat (3) is concave to form a groove (14), and a liquid outlet gap is formed between the annular assembly portion (1212) and the inner surface of the groove (14).

8. The antibacterial eye drops bottle according to claim 6, characterized in that: An annular groove is provided on the inner side wall of the inner bottle cap (2), an annular protrusion (15) protrudes from the outer periphery of the mounting seat (3), and the annular assembly portion (1212) and the annular protrusion (15) are arranged in the annular groove.

9. The antibacterial eye drops bottle according to claim 4, characterized in that: The outer cover of the inner bottle cap (2) is provided with a childproof cover, and the childproof cover comprises an outer cover (16) and an inner cover (17) arranged inside the outer cover (16), and a blocking column (18) for blocking the liquid outlet (13) is provided inside the inner cover (17).

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